Tcl Source Code

2012-04-11  Jan Nijtmans  <[email protected]>

	* win/tclWinInit.c:     [Bug 3448512]: clock scan "1958-01-01" fails only
	* win/tcl.m4:           in debug compilation.
	* win/configure:
	* unix/tcl.m4:          Use NDEBUG consistantly meaning: no debugging.
	* unix/configure:

2012-04-04  Jan Nijtmans  <[email protected]>

	* win/tclWinSock.c:     [Bug 510001]: TclSockMinimumBuffers needs plat imp
	* generic/tclIOSock.c:
	* generic/tclInt.decls:
	* generic/tclIntDecls.h:
	* generic/ttclStubInit.c:

#if !defined(TCL_THREADS) || !defined(USE_THREAD_ALLOC) || defined(TCL_MEM_DEBUG)

#include "tclInt.h"
#include "tclPort.h"

#if USE_TCLALLOC







/*
 * We should really make use of AC_CHECK_TYPE(caddr_t)
 * here, but it can wait until Tcl uses config.h properly.
 */
#if defined(MAC_TCL) || defined(_MSC_VER) || defined(__MINGW32__) || defined(__BORLANDC__)
typedef unsigned long caddr_t;
#endif

    union overhead *ov_next;		/* when free */
    unsigned char ov_padding[ALLOCALIGN];/* align struct to ALLOCALIGN bytes */
    struct {
	unsigned char	ovu_magic0;	/* magic number */
	unsigned char	ovu_index;	/* bucket # */
	unsigned char	ovu_unused;	/* unused */
	unsigned char	ovu_magic1;	/* other magic number */
#ifndef NDEBUG
	unsigned short	ovu_rmagic;	/* range magic number */
	unsigned long	ovu_size;	/* actual block size */
	unsigned short  ovu_unused2;    /* padding to 8-byte align */
#endif
    } ovu;
#define ov_magic0	ovu.ovu_magic0
#define ov_magic1	ovu.ovu_magic1
#define ov_index	ovu.ovu_index
#define ov_rmagic	ovu.ovu_rmagic
#define ov_size		ovu.ovu_size
};


#define MAGIC		0xef		/* magic # on accounting info */
#define RMAGIC		0x5555		/* magic # on range info */

#ifndef NDEBUG
#define	RSLOP		sizeof (unsigned short)
#else
#define	RSLOP		0
#endif

#define OVERHEAD (sizeof(union overhead) + RSLOP)

 * for a given block size.
 */

static	unsigned int nmalloc[NBUCKETS+1];
#include <stdio.h>
#endif

#if !defined(NDEBUG)
#define	ASSERT(p)   if (!(p)) panic(# p)
#define RANGE_ASSERT(p) if (!(p)) panic(# p)
#else
#define	ASSERT(p)
#define RANGE_ASSERT(p)
#endif

	op = (union overhead *) (bigBlockPtr + 1);
	op->ov_magic0 = op->ov_magic1 = MAGIC;
	op->ov_index = 0xff;
#ifdef MSTATS
	nmalloc[NBUCKETS]++;
#endif
#ifndef NDEBUG
	/*
	 * Record allocated size of block and
	 * bound space with magic numbers.
	 */
	op->ov_size = (nbytes + RSLOP - 1) & ~(RSLOP - 1);
	op->ov_rmagic = RMAGIC;
	*(unsigned short *)((caddr_t)(op + 1) + op->ov_size) = RMAGIC;

     */
    nextf[bucket] = op->ov_next;
    op->ov_magic0 = op->ov_magic1 = MAGIC;
    op->ov_index = (unsigned char) bucket;
#ifdef MSTATS
    nmalloc[bucket]++;
#endif
#ifndef NDEBUG
    /*
     * Record allocated size of block and
     * bound space with magic numbers.
     */
    op->ov_size = (nbytes + RSLOP - 1) & ~(RSLOP - 1);
    op->ov_rmagic = RMAGIC;
    *(unsigned short *)((caddr_t)(op + 1) + op->ov_size) = RMAGIC;

	    nextPtr->prevPtr = bigBlockPtr;
	}

	op = (union overhead *) (bigBlockPtr + 1);
#ifdef MSTATS
	nmalloc[NBUCKETS]++;
#endif
#ifndef NDEBUG
	/*
	 * Record allocated size of block and update magic number bounds.
	 */

	op->ov_size = (nbytes + RSLOP - 1) & ~(RSLOP - 1);
	*(unsigned short *)((caddr_t)(op + 1) + op->ov_size) = RMAGIC;
#endif

	TclpFree(cp);
	return newp;
    }
    
    /*
     * Ok, we don't have to copy, it fits as-is
     */
#ifndef NDEBUG
    op->ov_size = (nbytes + RSLOP - 1) & ~(RSLOP - 1);
    *(unsigned short *)((caddr_t)(op + 1) + op->ov_size) = RMAGIC;
#endif
    Tcl_MutexUnlock(allocMutexPtr);
    return(cp);
}


	    }
	}
    }

    CloseWindow(macWinPtr);

  exitNow:
#ifndef NDEBUG
    Debugger();
#else
    abort();
#endif
}


/*
 * If debugging is on we may drop into the debugger to handle certain cases
 * that are not supposed to happen.  Otherwise, we change ignore the error
 * and most code should handle such errors ok.
 */

#ifdef NDEBUG
    #define Debugger()
#endif

/*
 * The preferred buffer size for Macintosh channels.
 */

fi

# FIXME: Currently, LDFLAGS_DEFAULT is not used, it should work like CFLAGS_DEFAULT.
    if test "$tcl_ok" = "no"; then
	CFLAGS_DEFAULT='$(CFLAGS_OPTIMIZE)'
	LDFLAGS_DEFAULT='$(LDFLAGS_OPTIMIZE)'
	DBGX=""
	cat >> confdefs.h <<\EOF
#define NDEBUG 1
EOF

	echo "$ac_t""no" 1>&6
    else
	CFLAGS_DEFAULT='$(CFLAGS_DEBUG)'
	LDFLAGS_DEFAULT='$(LDFLAGS_DEBUG)'
	DBGX=g
	if test "$tcl_ok" = "yes"; then
	    echo "$ac_t""yes (standard debugging)" 1>&6

#--------------------------------------------------------------------
#	Detect what compiler flags to set for 64-bit support.
#--------------------------------------------------------------------


    echo $ac_n "checking for required early compiler flags""... $ac_c" 1>&6
echo "configure:4598: checking for required early compiler flags" >&5
    tcl_flags=""
    
    if eval "test \"`echo '$''{'tcl_cv_flag__isoc99_source'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 4605 "configure"
#include "confdefs.h"
#include <stdlib.h>
int main() {
char *p = (char *)strtoll; char *q = (char *)strtoull;
; return 0; }
EOF
if { (eval echo configure:4612: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  tcl_cv_flag__isoc99_source=no
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  cat > conftest.$ac_ext <<EOF
#line 4620 "configure"
#include "confdefs.h"
#define _ISOC99_SOURCE 1
#include <stdlib.h>
int main() {
char *p = (char *)strtoll; char *q = (char *)strtoull;
; return 0; }
EOF
if { (eval echo configure:4628: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  tcl_cv_flag__isoc99_source=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  tcl_cv_flag__isoc99_source=no

    fi

    
    if eval "test \"`echo '$''{'tcl_cv_flag__largefile64_source'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 4655 "configure"
#include "confdefs.h"
#include <sys/stat.h>
int main() {
struct stat64 buf; int i = stat64("/", &buf);
; return 0; }
EOF
if { (eval echo configure:4662: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  tcl_cv_flag__largefile64_source=no
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  cat > conftest.$ac_ext <<EOF
#line 4670 "configure"
#include "confdefs.h"
#define _LARGEFILE64_SOURCE 1
#include <sys/stat.h>
int main() {
struct stat64 buf; int i = stat64("/", &buf);
; return 0; }
EOF
if { (eval echo configure:4678: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  tcl_cv_flag__largefile64_source=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  tcl_cv_flag__largefile64_source=no

    fi

    
    if eval "test \"`echo '$''{'tcl_cv_flag__largefile_source64'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 4705 "configure"
#include "confdefs.h"
#include <sys/stat.h>
int main() {
char *p = (char *)open64;
; return 0; }
EOF
if { (eval echo configure:4712: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  tcl_cv_flag__largefile_source64=no
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  cat > conftest.$ac_ext <<EOF
#line 4720 "configure"
#include "confdefs.h"
#define _LARGEFILE_SOURCE64 1
#include <sys/stat.h>
int main() {
char *p = (char *)open64;
; return 0; }
EOF
if { (eval echo configure:4728: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  tcl_cv_flag__largefile_source64=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  tcl_cv_flag__largefile_source64=no

    else
	echo "$ac_t""${tcl_flags}" 1>&6
    fi



    echo $ac_n "checking for 64-bit integer type""... $ac_c" 1>&6
echo "configure:4759: checking for 64-bit integer type" >&5
    if eval "test \"`echo '$''{'tcl_cv_type_64bit'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  
	tcl_cv_type_64bit=none
	# See if the compiler knows natively about __int64
	cat > conftest.$ac_ext <<EOF
#line 4767 "configure"
#include "confdefs.h"

int main() {
__int64 value = (__int64) 0;
; return 0; }
EOF
if { (eval echo configure:4774: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  tcl_type_64bit=__int64
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  tcl_type_64bit="long long"
fi
rm -f conftest*
	# See if we should use long anyway  Note that we substitute in the
	# type that is our current guess for a 64-bit type inside this check
	# program, so it should be modified only carefully...
        cat > conftest.$ac_ext <<EOF
#line 4788 "configure"
#include "confdefs.h"

int main() {
switch (0) {
            case 1: case (sizeof(${tcl_type_64bit})==sizeof(long)): ;
        }
; return 0; }
EOF
if { (eval echo configure:4797: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  tcl_cv_type_64bit=${tcl_type_64bit}
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
fi
rm -f conftest*

#define TCL_WIDE_INT_TYPE ${tcl_cv_type_64bit}
EOF

	echo "$ac_t""${tcl_cv_type_64bit}" 1>&6

	# Now check for auxiliary declarations
	echo $ac_n "checking for struct dirent64""... $ac_c" 1>&6
echo "configure:4822: checking for struct dirent64" >&5
if eval "test \"`echo '$''{'tcl_cv_struct_dirent64'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  
	    cat > conftest.$ac_ext <<EOF
#line 4828 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <sys/dirent.h>
int main() {
struct dirent64 p;
; return 0; }
EOF
if { (eval echo configure:4836: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  tcl_cv_struct_dirent64=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  tcl_cv_struct_dirent64=no
fi
rm -f conftest*
fi

echo "$ac_t""$tcl_cv_struct_dirent64" 1>&6
	if test "x${tcl_cv_struct_dirent64}" = "xyes" ; then
	    cat >> confdefs.h <<\EOF
#define HAVE_STRUCT_DIRENT64 1
EOF

	fi

	echo $ac_n "checking for struct stat64""... $ac_c" 1>&6
echo "configure:4857: checking for struct stat64" >&5
if eval "test \"`echo '$''{'tcl_cv_struct_stat64'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  
	    cat > conftest.$ac_ext <<EOF
#line 4863 "configure"
#include "confdefs.h"
#include <sys/stat.h>
int main() {
struct stat64 p;

; return 0; }
EOF
if { (eval echo configure:4871: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  tcl_cv_struct_stat64=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  tcl_cv_struct_stat64=no

EOF

	fi

	for ac_func in open64 lseek64
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
echo "configure:4894: checking for $ac_func" >&5
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 4899 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char $ac_func(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */

choke me
#else
$ac_func();
#endif

; return 0; }
EOF
if { (eval echo configure:4922: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_func_$ac_func=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_$ac_func=no"

 
else
  echo "$ac_t""no" 1>&6
fi
done

	echo $ac_n "checking for off64_t""... $ac_c" 1>&6
echo "configure:4947: checking for off64_t" >&5
	if eval "test \"`echo '$''{'tcl_cv_type_off64_t'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  
	    cat > conftest.$ac_ext <<EOF
#line 4953 "configure"
#include "confdefs.h"
#include <sys/types.h>
int main() {
off64_t offset;

; return 0; }
EOF
if { (eval echo configure:4961: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  tcl_cv_type_off64_t=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  tcl_cv_type_off64_t=no

#--------------------------------------------------------------------
#	Check endianness because we can optimize comparisons of
#	Tcl_UniChar strings to memcmp on big-endian systems.
#--------------------------------------------------------------------

echo $ac_n "checking whether byte ordering is bigendian""... $ac_c" 1>&6
echo "configure:4993: checking whether byte ordering is bigendian" >&5
if eval "test \"`echo '$''{'ac_cv_c_bigendian'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  ac_cv_c_bigendian=unknown
# See if sys/param.h defines the BYTE_ORDER macro.
cat > conftest.$ac_ext <<EOF
#line 5000 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <sys/param.h>
int main() {

#if !BYTE_ORDER || !BIG_ENDIAN || !LITTLE_ENDIAN
 bogus endian macros
#endif
; return 0; }
EOF
if { (eval echo configure:5011: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  # It does; now see whether it defined to BIG_ENDIAN or not.
cat > conftest.$ac_ext <<EOF
#line 5015 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <sys/param.h>
int main() {

#if BYTE_ORDER != BIG_ENDIAN
 not big endian
#endif
; return 0; }
EOF
if { (eval echo configure:5026: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  ac_cv_c_bigendian=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  ac_cv_c_bigendian=no
fi
rm -f conftest*
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
fi
rm -f conftest*
if test $ac_cv_c_bigendian = unknown; then
if test "$cross_compiling" = yes; then
    { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
else
  cat > conftest.$ac_ext <<EOF
#line 5046 "configure"
#include "confdefs.h"
main () {
  /* Are we little or big endian?  From Harbison&Steele.  */
  union
  {
    long l;
    char c[sizeof (long)];
  } u;
  u.l = 1;
  exit (u.c[sizeof (long) - 1] == 1);
}
EOF
if { (eval echo configure:5059: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
  ac_cv_c_bigendian=no
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -fr conftest*
  ac_cv_c_bigendian=yes

#	set flags so Tcl uses alternate procedures.
#--------------------------------------------------------------------

# Check if Posix compliant getcwd exists, if not we'll use getwd.
for ac_func in getcwd
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
echo "configure:5092: checking for $ac_func" >&5
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 5097 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char $ac_func(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */

choke me
#else
$ac_func();
#endif

; return 0; }
EOF
if { (eval echo configure:5120: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_func_$ac_func=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_$ac_func=no"

# Nb: if getcwd uses popen and pwd(1) (like SunOS 4) we should really
# define USEGETWD even if the posix getcwd exists. Add a test ?

for ac_func in opendir strstr strtol strtoll strtoull tmpnam waitpid
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
echo "configure:5154: checking for $ac_func" >&5
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 5159 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char $ac_func(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */

choke me
#else
$ac_func();
#endif

; return 0; }
EOF
if { (eval echo configure:5182: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_func_$ac_func=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_$ac_func=no"

  echo "$ac_t""no" 1>&6
LIBOBJS="$LIBOBJS ${ac_func}.${ac_objext}"
fi
done


echo $ac_n "checking for strerror""... $ac_c" 1>&6
echo "configure:5209: checking for strerror" >&5
if eval "test \"`echo '$''{'ac_cv_func_strerror'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 5214 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char strerror(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */

choke me
#else
strerror();
#endif

; return 0; }
EOF
if { (eval echo configure:5237: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_func_strerror=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_strerror=no"

cat >> confdefs.h <<\EOF
#define NO_STRERROR 1
EOF

fi

echo $ac_n "checking for getwd""... $ac_c" 1>&6
echo "configure:5261: checking for getwd" >&5
if eval "test \"`echo '$''{'ac_cv_func_getwd'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 5266 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char getwd(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */

choke me
#else
getwd();
#endif

; return 0; }
EOF
if { (eval echo configure:5289: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_func_getwd=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_getwd=no"

cat >> confdefs.h <<\EOF
#define NO_GETWD 1
EOF

fi

echo $ac_n "checking for wait3""... $ac_c" 1>&6
echo "configure:5313: checking for wait3" >&5
if eval "test \"`echo '$''{'ac_cv_func_wait3'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 5318 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char wait3(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */

choke me
#else
wait3();
#endif

; return 0; }
EOF
if { (eval echo configure:5341: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_func_wait3=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_wait3=no"

cat >> confdefs.h <<\EOF
#define NO_WAIT3 1
EOF

fi

echo $ac_n "checking for uname""... $ac_c" 1>&6
echo "configure:5365: checking for uname" >&5
if eval "test \"`echo '$''{'ac_cv_func_uname'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 5370 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char uname(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */

choke me
#else
uname();
#endif

; return 0; }
EOF
if { (eval echo configure:5393: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_func_uname=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_uname=no"

if test "`uname -s`" = "Darwin" && test "${TCL_THREADS}" = 1 && \
	test "`uname -r | awk -F. '{print $1}'`" -lt 7; then
    # prior to Darwin 7, realpath is not threadsafe, so don't
    # use it when threads are enabled, c.f. bug # 711232
    ac_cv_func_realpath=no
fi
echo $ac_n "checking for realpath""... $ac_c" 1>&6
echo "configure:5424: checking for realpath" >&5
if eval "test \"`echo '$''{'ac_cv_func_realpath'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 5429 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char realpath(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */

choke me
#else
realpath();
#endif

; return 0; }
EOF
if { (eval echo configure:5452: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_func_realpath=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_realpath=no"

#--------------------------------------------------------------------
#	Look for thread-safe variants of some library functions.
#--------------------------------------------------------------------

if test "${TCL_THREADS}" = 1; then
    echo $ac_n "checking for getpwuid_r""... $ac_c" 1>&6
echo "configure:5482: checking for getpwuid_r" >&5
if eval "test \"`echo '$''{'ac_cv_func_getpwuid_r'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 5487 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char getpwuid_r(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */

choke me
#else
getpwuid_r();
#endif

; return 0; }
EOF
if { (eval echo configure:5510: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_func_getpwuid_r=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_getpwuid_r=no"
fi
rm -f conftest*
fi

if eval "test \"`echo '$ac_cv_func_'getpwuid_r`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  
    echo $ac_n "checking for getpwuid_r with 5 args""... $ac_c" 1>&6
echo "configure:5526: checking for getpwuid_r with 5 args" >&5
if eval "test \"`echo '$''{'tcl_cv_api_getpwuid_r_5'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  
    cat > conftest.$ac_ext <<EOF
#line 5532 "configure"
#include "confdefs.h"

	#include <sys/types.h>
	#include <pwd.h>
    
int main() {

	uid_t uid;
	struct passwd pw, *pwp;
	char buf[512];
	int buflen = 512;

	(void) getpwuid_r(uid, &pw, buf, buflen, &pwp);
    
; return 0; }
EOF
if { (eval echo configure:5549: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  tcl_cv_api_getpwuid_r_5=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  tcl_cv_api_getpwuid_r_5=no
fi
rm -f conftest*
fi

echo "$ac_t""$tcl_cv_api_getpwuid_r_5" 1>&6
    tcl_ok=$tcl_cv_api_getpwuid_r_5
    if test "$tcl_ok" = yes; then
	cat >> confdefs.h <<\EOF
#define HAVE_GETPWUID_R_5 1
EOF

    else
	echo $ac_n "checking for getpwuid_r with 4 args""... $ac_c" 1>&6
echo "configure:5570: checking for getpwuid_r with 4 args" >&5
if eval "test \"`echo '$''{'tcl_cv_api_getpwuid_r_4'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  
	cat > conftest.$ac_ext <<EOF
#line 5576 "configure"
#include "confdefs.h"

	    #include <sys/types.h>
	    #include <pwd.h>
	
int main() {

	    uid_t uid;
	    struct passwd pw;
	    char buf[512];
	    int buflen = 512;

	    (void)getpwnam_r(uid, &pw, buf, buflen);
	
; return 0; }
EOF
if { (eval echo configure:5593: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  tcl_cv_api_getpwuid_r_4=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  tcl_cv_api_getpwuid_r_4=no

    fi

else
  echo "$ac_t""no" 1>&6
fi

    echo $ac_n "checking for getpwnam_r""... $ac_c" 1>&6
echo "configure:5626: checking for getpwnam_r" >&5
if eval "test \"`echo '$''{'ac_cv_func_getpwnam_r'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 5631 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char getpwnam_r(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */

choke me
#else
getpwnam_r();
#endif

; return 0; }
EOF
if { (eval echo configure:5654: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_func_getpwnam_r=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_getpwnam_r=no"
fi
rm -f conftest*
fi

if eval "test \"`echo '$ac_cv_func_'getpwnam_r`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  
    echo $ac_n "checking for getpwnam_r with 5 args""... $ac_c" 1>&6
echo "configure:5670: checking for getpwnam_r with 5 args" >&5
if eval "test \"`echo '$''{'tcl_cv_api_getpwnam_r_5'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  
    cat > conftest.$ac_ext <<EOF
#line 5676 "configure"
#include "confdefs.h"

	#include <sys/types.h>
	#include <pwd.h>
    
int main() {

	char *name;
	struct passwd pw, *pwp;
	char buf[512];
	int buflen = 512;

	(void) getpwnam_r(name, &pw, buf, buflen, &pwp);
    
; return 0; }
EOF
if { (eval echo configure:5693: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  tcl_cv_api_getpwnam_r_5=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  tcl_cv_api_getpwnam_r_5=no
fi
rm -f conftest*
fi

echo "$ac_t""$tcl_cv_api_getpwnam_r_5" 1>&6
    tcl_ok=$tcl_cv_api_getpwnam_r_5
    if test "$tcl_ok" = yes; then
	cat >> confdefs.h <<\EOF
#define HAVE_GETPWNAM_R_5 1
EOF

    else
	echo $ac_n "checking for getpwnam_r with 4 args""... $ac_c" 1>&6
echo "configure:5714: checking for getpwnam_r with 4 args" >&5
if eval "test \"`echo '$''{'tcl_cv_api_getpwnam_r_4'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  
	cat > conftest.$ac_ext <<EOF
#line 5720 "configure"
#include "confdefs.h"

	    #include <sys/types.h>
	    #include <pwd.h>
	
int main() {

	    char *name;
	    struct passwd pw;
	    char buf[512];
	    int buflen = 512;

	    (void)getpwnam_r(name, &pw, buf, buflen);
	
; return 0; }
EOF
if { (eval echo configure:5737: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  tcl_cv_api_getpwnam_r_4=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  tcl_cv_api_getpwnam_r_4=no

    fi

else
  echo "$ac_t""no" 1>&6
fi

    echo $ac_n "checking for getgrgid_r""... $ac_c" 1>&6
echo "configure:5770: checking for getgrgid_r" >&5
if eval "test \"`echo '$''{'ac_cv_func_getgrgid_r'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 5775 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char getgrgid_r(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */

choke me
#else
getgrgid_r();
#endif

; return 0; }
EOF
if { (eval echo configure:5798: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_func_getgrgid_r=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_getgrgid_r=no"
fi
rm -f conftest*
fi

if eval "test \"`echo '$ac_cv_func_'getgrgid_r`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  
    echo $ac_n "checking for getgrgid_r with 5 args""... $ac_c" 1>&6
echo "configure:5814: checking for getgrgid_r with 5 args" >&5
if eval "test \"`echo '$''{'tcl_cv_api_getgrgid_r_5'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  
    cat > conftest.$ac_ext <<EOF
#line 5820 "configure"
#include "confdefs.h"

	#include <sys/types.h>
	#include <grp.h>
    
int main() {

	gid_t gid;
	struct group gr, *grp;
	char buf[512];
	int buflen = 512;

	(void) getgrgid_r(gid, &gr, buf, buflen, &grp);
    
; return 0; }
EOF
if { (eval echo configure:5837: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  tcl_cv_api_getgrgid_r_5=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  tcl_cv_api_getgrgid_r_5=no
fi
rm -f conftest*
fi

echo "$ac_t""$tcl_cv_api_getgrgid_r_5" 1>&6
    tcl_ok=$tcl_cv_api_getgrgid_r_5
    if test "$tcl_ok" = yes; then
	cat >> confdefs.h <<\EOF
#define HAVE_GETGRGID_R_5 1
EOF

    else
	echo $ac_n "checking for getgrgid_r with 4 args""... $ac_c" 1>&6
echo "configure:5858: checking for getgrgid_r with 4 args" >&5
if eval "test \"`echo '$''{'tcl_cv_api_getgrgid_r_4'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  
	cat > conftest.$ac_ext <<EOF
#line 5864 "configure"
#include "confdefs.h"

	    #include <sys/types.h>
	    #include <grp.h>
	
int main() {

	    gid_t gid;
	    struct group gr;
	    char buf[512];
	    int buflen = 512;

	    (void)getgrgid_r(gid, &gr, buf, buflen);
	
; return 0; }
EOF
if { (eval echo configure:5881: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  tcl_cv_api_getgrgid_r_4=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  tcl_cv_api_getgrgid_r_4=no

    fi

else
  echo "$ac_t""no" 1>&6
fi

    echo $ac_n "checking for getgrnam_r""... $ac_c" 1>&6
echo "configure:5914: checking for getgrnam_r" >&5
if eval "test \"`echo '$''{'ac_cv_func_getgrnam_r'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 5919 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char getgrnam_r(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */

choke me
#else
getgrnam_r();
#endif

; return 0; }
EOF
if { (eval echo configure:5942: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_func_getgrnam_r=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_getgrnam_r=no"
fi
rm -f conftest*
fi

if eval "test \"`echo '$ac_cv_func_'getgrnam_r`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  
    echo $ac_n "checking for getgrnam_r with 5 args""... $ac_c" 1>&6
echo "configure:5958: checking for getgrnam_r with 5 args" >&5
if eval "test \"`echo '$''{'tcl_cv_api_getgrnam_r_5'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  
    cat > conftest.$ac_ext <<EOF
#line 5964 "configure"
#include "confdefs.h"

	#include <sys/types.h>
	#include <grp.h>
    
int main() {

	char *name;
	struct group gr, *grp;
	char buf[512];
	int buflen = 512;

	(void) getgrnam_r(name, &gr, buf, buflen, &grp);
    
; return 0; }
EOF
if { (eval echo configure:5981: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  tcl_cv_api_getgrnam_r_5=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  tcl_cv_api_getgrnam_r_5=no
fi
rm -f conftest*
fi

echo "$ac_t""$tcl_cv_api_getgrnam_r_5" 1>&6
    tcl_ok=$tcl_cv_api_getgrnam_r_5
    if test "$tcl_ok" = yes; then
	cat >> confdefs.h <<\EOF
#define HAVE_GETGRNAM_R_5 1
EOF

    else
	echo $ac_n "checking for getgrnam_r with 4 args""... $ac_c" 1>&6
echo "configure:6002: checking for getgrnam_r with 4 args" >&5
if eval "test \"`echo '$''{'tcl_cv_api_getgrnam_r_4'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  
	cat > conftest.$ac_ext <<EOF
#line 6008 "configure"
#include "confdefs.h"

	    #include <sys/types.h>
	    #include <grp.h>
	
int main() {

	    char *name;
	    struct group gr;
	    char buf[512];
	    int buflen = 512;

	    (void)getgrnam_r(name, &gr, buf, buflen);
	
; return 0; }
EOF
if { (eval echo configure:6025: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  tcl_cv_api_getgrnam_r_4=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  tcl_cv_api_getgrnam_r_4=no

	cat >> confdefs.h <<\EOF
#define HAVE_MTSAFE_GETHOSTBYADDR 1
EOF

    else
	echo $ac_n "checking for gethostbyname_r""... $ac_c" 1>&6
echo "configure:6085: checking for gethostbyname_r" >&5
if eval "test \"`echo '$''{'ac_cv_func_gethostbyname_r'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 6090 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char gethostbyname_r(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */

choke me
#else
gethostbyname_r();
#endif

; return 0; }
EOF
if { (eval echo configure:6113: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_func_gethostbyname_r=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_gethostbyname_r=no"
fi
rm -f conftest*
fi

if eval "test \"`echo '$ac_cv_func_'gethostbyname_r`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  
    echo $ac_n "checking for gethostbyname_r with 6 args""... $ac_c" 1>&6
echo "configure:6129: checking for gethostbyname_r with 6 args" >&5
if eval "test \"`echo '$''{'tcl_cv_api_gethostbyname_r_6'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  
    cat > conftest.$ac_ext <<EOF
#line 6135 "configure"
#include "confdefs.h"

	#include <netdb.h>
    
int main() {

	char *name;
	struct hostent *he, *res;
	char buffer[2048];
	int buflen = 2048;
	int h_errnop;

	(void) gethostbyname_r(name, he, buffer, buflen, &res, &h_errnop);
    
; return 0; }
EOF
if { (eval echo configure:6152: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  tcl_cv_api_gethostbyname_r_6=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  tcl_cv_api_gethostbyname_r_6=no
fi
rm -f conftest*
fi

echo "$ac_t""$tcl_cv_api_gethostbyname_r_6" 1>&6
    tcl_ok=$tcl_cv_api_gethostbyname_r_6
    if test "$tcl_ok" = yes; then
	cat >> confdefs.h <<\EOF
#define HAVE_GETHOSTBYNAME_R_6 1
EOF

    else
	echo $ac_n "checking for gethostbyname_r with 5 args""... $ac_c" 1>&6
echo "configure:6173: checking for gethostbyname_r with 5 args" >&5
if eval "test \"`echo '$''{'tcl_cv_api_gethostbyname_r_5'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  
	cat > conftest.$ac_ext <<EOF
#line 6179 "configure"
#include "confdefs.h"

	    #include <netdb.h>
	
int main() {

	    char *name;
	    struct hostent *he;
	    char buffer[2048];
	    int buflen = 2048;
	    int h_errnop;

	    (void) gethostbyname_r(name, he, buffer, buflen, &h_errnop);
	
; return 0; }
EOF
if { (eval echo configure:6196: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  tcl_cv_api_gethostbyname_r_5=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  tcl_cv_api_gethostbyname_r_5=no
fi
rm -f conftest*
fi

echo "$ac_t""$tcl_cv_api_gethostbyname_r_5" 1>&6
	tcl_ok=$tcl_cv_api_gethostbyname_r_5
	if test "$tcl_ok" = yes; then
	    cat >> confdefs.h <<\EOF
#define HAVE_GETHOSTBYNAME_R_5 1
EOF

	else
	    echo $ac_n "checking for gethostbyname_r with 3 args""... $ac_c" 1>&6
echo "configure:6217: checking for gethostbyname_r with 3 args" >&5
if eval "test \"`echo '$''{'tcl_cv_api_gethostbyname_r_3'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  
	    cat > conftest.$ac_ext <<EOF
#line 6223 "configure"
#include "confdefs.h"

		#include <netdb.h>
	    
int main() {

		char *name;
		struct hostent *he;
		struct hostent_data data;

		(void) gethostbyname_r(name, he, &data);
	    
; return 0; }
EOF
if { (eval echo configure:6238: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  tcl_cv_api_gethostbyname_r_3=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  tcl_cv_api_gethostbyname_r_3=no

    fi

else
  echo "$ac_t""no" 1>&6
fi

	echo $ac_n "checking for gethostbyaddr_r""... $ac_c" 1>&6
echo "configure:6272: checking for gethostbyaddr_r" >&5
if eval "test \"`echo '$''{'ac_cv_func_gethostbyaddr_r'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 6277 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char gethostbyaddr_r(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */

choke me
#else
gethostbyaddr_r();
#endif

; return 0; }
EOF
if { (eval echo configure:6300: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_func_gethostbyaddr_r=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_gethostbyaddr_r=no"
fi
rm -f conftest*
fi

if eval "test \"`echo '$ac_cv_func_'gethostbyaddr_r`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  
    echo $ac_n "checking for gethostbyaddr_r with 7 args""... $ac_c" 1>&6
echo "configure:6316: checking for gethostbyaddr_r with 7 args" >&5
if eval "test \"`echo '$''{'tcl_cv_api_gethostbyaddr_r_7'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  
    cat > conftest.$ac_ext <<EOF
#line 6322 "configure"
#include "confdefs.h"

	#include <netdb.h>
    
int main() {

	char *addr;
	int length;
	int type;
	struct hostent *result;
	char buffer[2048];
	int buflen = 2048;
	int h_errnop;

	(void) gethostbyaddr_r(addr, length, type, result, buffer, buflen,
			       &h_errnop);
    
; return 0; }
EOF
if { (eval echo configure:6342: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  tcl_cv_api_gethostbyaddr_r_7=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  tcl_cv_api_gethostbyaddr_r_7=no
fi
rm -f conftest*
fi

echo "$ac_t""$tcl_cv_api_gethostbyaddr_r_7" 1>&6
    tcl_ok=$tcl_cv_api_gethostbyaddr_r_7
    if test "$tcl_ok" = yes; then
	cat >> confdefs.h <<\EOF
#define HAVE_GETHOSTBYADDR_R_7 1
EOF

    else
	echo $ac_n "checking for gethostbyaddr_r with 8 args""... $ac_c" 1>&6
echo "configure:6363: checking for gethostbyaddr_r with 8 args" >&5
if eval "test \"`echo '$''{'tcl_cv_api_gethostbyaddr_r_8'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  
	cat > conftest.$ac_ext <<EOF
#line 6369 "configure"
#include "confdefs.h"

	    #include <netdb.h>
	
int main() {

	    char *addr;
	    int length;
	    int type;
	    struct hostent *result, *resultp;
	    char buffer[2048];
	    int buflen = 2048;
	    int h_errnop;

	    (void) gethostbyaddr_r(addr, length, type, result, buffer, buflen,
				   &resultp, &h_errnop);
	
; return 0; }
EOF
if { (eval echo configure:6389: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  tcl_cv_api_gethostbyaddr_r_8=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  tcl_cv_api_gethostbyaddr_r_8=no

#---------------------------------------------------------------------------


    for ac_hdr in sys/modem.h
do
ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
echo "configure:6435: checking for $ac_hdr" >&5
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 6440 "configure"
#include "confdefs.h"
#include <$ac_hdr>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:6445: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=yes"
else
  echo "$ac_err" >&5
  echo "configure: failed program was:" >&5

 
else
  echo "$ac_t""no" 1>&6
fi
done

    echo $ac_n "checking termios vs. termio vs. sgtty""... $ac_c" 1>&6
echo "configure:6472: checking termios vs. termio vs. sgtty" >&5
if eval "test \"`echo '$''{'tcl_cv_api_serial'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  
    if test "$cross_compiling" = yes; then
  tcl_cv_api_serial=no
else
  cat > conftest.$ac_ext <<EOF
#line 6481 "configure"
#include "confdefs.h"

#include <termios.h>

int main() {
    struct termios t;
    if (tcgetattr(0, &t) == 0) {
	cfsetospeed(&t, 0);
	t.c_cflag |= PARENB | PARODD | CSIZE | CSTOPB;
	return 0;
    }
    return 1;
}
EOF
if { (eval echo configure:6496: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
  tcl_cv_api_serial=termios
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -fr conftest*
  tcl_cv_api_serial=no
fi
rm -fr conftest*
fi

    if test $tcl_cv_api_serial = no ; then
	if test "$cross_compiling" = yes; then
  tcl_cv_api_serial=no
else
  cat > conftest.$ac_ext <<EOF
#line 6513 "configure"
#include "confdefs.h"

#include <termio.h>

int main() {
    struct termio t;
    if (ioctl(0, TCGETA, &t) == 0) {
	t.c_cflag |= CBAUD | PARENB | PARODD | CSIZE | CSTOPB;
	return 0;
    }
    return 1;
}
EOF
if { (eval echo configure:6527: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
  tcl_cv_api_serial=termio
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -fr conftest*
  tcl_cv_api_serial=no
fi
rm -fr conftest*
fi

    fi
    if test $tcl_cv_api_serial = no ; then
	if test "$cross_compiling" = yes; then
  tcl_cv_api_serial=no
else
  cat > conftest.$ac_ext <<EOF
#line 6545 "configure"
#include "confdefs.h"

#include <sgtty.h>

int main() {
    struct sgttyb t;
    if (ioctl(0, TIOCGETP, &t) == 0) {
	t.sg_ospeed = 0;
	t.sg_flags |= ODDP | EVENP | RAW;
	return 0;
    }
    return 1;
}
EOF
if { (eval echo configure:6560: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
  tcl_cv_api_serial=sgtty
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -fr conftest*
  tcl_cv_api_serial=no
fi
rm -fr conftest*
fi

    fi
    if test $tcl_cv_api_serial = no ; then
	if test "$cross_compiling" = yes; then
  tcl_cv_api_serial=no
else
  cat > conftest.$ac_ext <<EOF
#line 6578 "configure"
#include "confdefs.h"

#include <termios.h>
#include <errno.h>

int main() {
    struct termios t;
    if (tcgetattr(0, &t) == 0
	|| errno == ENOTTY || errno == ENXIO || errno == EINVAL) {
	cfsetospeed(&t, 0);
	t.c_cflag |= PARENB | PARODD | CSIZE | CSTOPB;
	return 0;
    }
    return 1;
}
EOF
if { (eval echo configure:6595: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
  tcl_cv_api_serial=termios
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -fr conftest*
  tcl_cv_api_serial=no
fi
rm -fr conftest*
fi

    fi
    if test $tcl_cv_api_serial = no; then
	if test "$cross_compiling" = yes; then
  tcl_cv_api_serial=no
else
  cat > conftest.$ac_ext <<EOF
#line 6613 "configure"
#include "confdefs.h"

#include <termio.h>
#include <errno.h>

int main() {
    struct termio t;
    if (ioctl(0, TCGETA, &t) == 0
	|| errno == ENOTTY || errno == ENXIO || errno == EINVAL) {
	t.c_cflag |= CBAUD | PARENB | PARODD | CSIZE | CSTOPB;
	return 0;
    }
    return 1;
    }
EOF
if { (eval echo configure:6629: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
  tcl_cv_api_serial=termio
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -fr conftest*
  tcl_cv_api_serial=no
fi
rm -fr conftest*
fi

    fi
    if test $tcl_cv_api_serial = no; then
	if test "$cross_compiling" = yes; then
  tcl_cv_api_serial=none
else
  cat > conftest.$ac_ext <<EOF
#line 6647 "configure"
#include "confdefs.h"

#include <sgtty.h>
#include <errno.h>

int main() {
    struct sgttyb t;
    if (ioctl(0, TIOCGETP, &t) == 0
	|| errno == ENOTTY || errno == ENXIO || errno == EINVAL) {
	t.sg_ospeed = 0;
	t.sg_flags |= ODDP | EVENP | RAW;
	return 0;
    }
    return 1;
}
EOF
if { (eval echo configure:6664: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
  tcl_cv_api_serial=sgtty
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -fr conftest*
  tcl_cv_api_serial=none

#	systems like OSF/1 have a sys/select.h that's of no use, and
#	other systems like SCO UNIX have a sys/select.h that's
#	pernicious.  If "fd_set" isn't defined anywhere then set a
#	special flag.
#--------------------------------------------------------------------

echo $ac_n "checking for fd_set in sys/types""... $ac_c" 1>&6
echo "configure:6707: checking for fd_set in sys/types" >&5
if eval "test \"`echo '$''{'tcl_cv_type_fd_set'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  
    cat > conftest.$ac_ext <<EOF
#line 6713 "configure"
#include "confdefs.h"
#include <sys/types.h>
int main() {
fd_set readMask, writeMask;
; return 0; }
EOF
if { (eval echo configure:6720: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  tcl_cv_type_fd_set=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  tcl_cv_type_fd_set=no
fi
rm -f conftest*
fi

echo "$ac_t""$tcl_cv_type_fd_set" 1>&6
tcl_ok=$tcl_cv_type_fd_set
if test $tcl_ok = no; then
    echo $ac_n "checking for fd_mask in sys/select""... $ac_c" 1>&6
echo "configure:6736: checking for fd_mask in sys/select" >&5
if eval "test \"`echo '$''{'tcl_cv_grep_fd_mask'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  
	cat > conftest.$ac_ext <<EOF
#line 6742 "configure"
#include "confdefs.h"
#include <sys/select.h>
EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "fd_mask" >/dev/null 2>&1; then
  rm -rf conftest*
  tcl_cv_grep_fd_mask=present

fi

#------------------------------------------------------------------------------
#       Find out all about time handling differences.
#------------------------------------------------------------------------------

echo $ac_n "checking whether struct tm is in sys/time.h or time.h""... $ac_c" 1>&6
echo "configure:6779: checking whether struct tm is in sys/time.h or time.h" >&5
if eval "test \"`echo '$''{'ac_cv_struct_tm'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 6784 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <time.h>
int main() {
struct tm *tp; tp->tm_sec;
; return 0; }
EOF
if { (eval echo configure:6792: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  ac_cv_struct_tm=time.h
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  ac_cv_struct_tm=sys/time.h

fi


    for ac_hdr in sys/time.h
do
ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
echo "configure:6817: checking for $ac_hdr" >&5
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 6822 "configure"
#include "confdefs.h"
#include <$ac_hdr>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:6827: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=yes"
else
  echo "$ac_err" >&5
  echo "configure: failed program was:" >&5

 
else
  echo "$ac_t""no" 1>&6
fi
done

    echo $ac_n "checking whether time.h and sys/time.h may both be included""... $ac_c" 1>&6
echo "configure:6854: checking whether time.h and sys/time.h may both be included" >&5
if eval "test \"`echo '$''{'ac_cv_header_time'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 6859 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <sys/time.h>
#include <time.h>
int main() {
struct tm *tp;
; return 0; }
EOF
if { (eval echo configure:6868: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  ac_cv_header_time=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  ac_cv_header_time=no
fi
rm -f conftest*
fi

echo "$ac_t""$ac_cv_header_time" 1>&6
if test $ac_cv_header_time = yes; then
  cat >> confdefs.h <<\EOF
#define TIME_WITH_SYS_TIME 1
EOF

fi

    echo $ac_n "checking for tm_zone in struct tm""... $ac_c" 1>&6
echo "configure:6889: checking for tm_zone in struct tm" >&5
if eval "test \"`echo '$''{'ac_cv_struct_tm_zone'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 6894 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <$ac_cv_struct_tm>
int main() {
struct tm tm; tm.tm_zone;
; return 0; }
EOF
if { (eval echo configure:6902: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  ac_cv_struct_tm_zone=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  ac_cv_struct_tm_zone=no
fi
rm -f conftest*
fi

echo "$ac_t""$ac_cv_struct_tm_zone" 1>&6
if test "$ac_cv_struct_tm_zone" = yes; then
  cat >> confdefs.h <<\EOF
#define HAVE_TM_ZONE 1
EOF

else
  echo $ac_n "checking for tzname""... $ac_c" 1>&6
echo "configure:6922: checking for tzname" >&5
if eval "test \"`echo '$''{'ac_cv_var_tzname'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 6927 "configure"
#include "confdefs.h"
#include <time.h>
#ifndef tzname /* For SGI.  */
extern char *tzname[]; /* RS6000 and others reject char **tzname.  */
#endif
int main() {
atoi(*tzname);
; return 0; }
EOF
if { (eval echo configure:6937: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  ac_cv_var_tzname=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  ac_cv_var_tzname=no

  fi
fi


    for ac_func in gmtime_r localtime_r
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
echo "configure:6962: checking for $ac_func" >&5
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 6967 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char $ac_func(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */

choke me
#else
$ac_func();
#endif

; return 0; }
EOF
if { (eval echo configure:6990: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_func_$ac_func=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_$ac_func=no"

else
  echo "$ac_t""no" 1>&6
fi
done


    echo $ac_n "checking tm_tzadj in struct tm""... $ac_c" 1>&6
echo "configure:7016: checking tm_tzadj in struct tm" >&5
if eval "test \"`echo '$''{'tcl_cv_member_tm_tzadj'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  
	cat > conftest.$ac_ext <<EOF
#line 7022 "configure"
#include "confdefs.h"
#include <time.h>
int main() {
struct tm tm; tm.tm_tzadj;
; return 0; }
EOF
if { (eval echo configure:7029: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  tcl_cv_member_tm_tzadj=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  tcl_cv_member_tm_tzadj=no
fi
rm -f conftest*
fi

echo "$ac_t""$tcl_cv_member_tm_tzadj" 1>&6
    if test $tcl_cv_member_tm_tzadj = yes ; then
	cat >> confdefs.h <<\EOF
#define HAVE_TM_TZADJ 1
EOF

    fi

    echo $ac_n "checking tm_gmtoff in struct tm""... $ac_c" 1>&6
echo "configure:7050: checking tm_gmtoff in struct tm" >&5
if eval "test \"`echo '$''{'tcl_cv_member_tm_gmtoff'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  
	cat > conftest.$ac_ext <<EOF
#line 7056 "configure"
#include "confdefs.h"
#include <time.h>
int main() {
struct tm tm; tm.tm_gmtoff;
; return 0; }
EOF
if { (eval echo configure:7063: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  tcl_cv_member_tm_gmtoff=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  tcl_cv_member_tm_gmtoff=no

    fi

    #
    # Its important to include time.h in this check, as some systems
    # (like convex) have timezone functions, etc.
    #
    echo $ac_n "checking long timezone variable""... $ac_c" 1>&6
echo "configure:7088: checking long timezone variable" >&5
if eval "test \"`echo '$''{'tcl_cv_timezone_long'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  
	cat > conftest.$ac_ext <<EOF
#line 7094 "configure"
#include "confdefs.h"
#include <time.h>
int main() {
extern long timezone;
	    timezone += 1;
	    exit (0);
; return 0; }
EOF
if { (eval echo configure:7103: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  tcl_cv_timezone_long=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  tcl_cv_timezone_long=no

EOF

    else
	#
	# On some systems (eg IRIX 6.2), timezone is a time_t and not a long.
	#
	echo $ac_n "checking time_t timezone variable""... $ac_c" 1>&6
echo "configure:7126: checking time_t timezone variable" >&5
if eval "test \"`echo '$''{'tcl_cv_timezone_time'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  
	    cat > conftest.$ac_ext <<EOF
#line 7132 "configure"
#include "confdefs.h"
#include <time.h>
int main() {
extern time_t timezone;
		timezone += 1;
		exit (0);
; return 0; }
EOF
if { (eval echo configure:7141: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  tcl_cv_timezone_time=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  tcl_cv_timezone_time=no

#--------------------------------------------------------------------
#	Some systems (e.g., IRIX 4.0.5) lack the st_blksize field
#	in struct stat.  But we might be able to use fstatfs instead.
#--------------------------------------------------------------------
if test "$ac_cv_cygwin" != "yes"; then
echo $ac_n "checking for st_blksize in struct stat""... $ac_c" 1>&6
echo "configure:7169: checking for st_blksize in struct stat" >&5
if eval "test \"`echo '$''{'ac_cv_struct_st_blksize'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 7174 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <sys/stat.h>
int main() {
struct stat s; s.st_blksize;
; return 0; }
EOF
if { (eval echo configure:7182: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  ac_cv_struct_st_blksize=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  ac_cv_struct_st_blksize=no

#define HAVE_ST_BLKSIZE 1
EOF

fi

fi
echo $ac_n "checking for fstatfs""... $ac_c" 1>&6
echo "configure:7204: checking for fstatfs" >&5
if eval "test \"`echo '$''{'ac_cv_func_fstatfs'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 7209 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char fstatfs(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */

choke me
#else
fstatfs();
#endif

; return 0; }
EOF
if { (eval echo configure:7232: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_func_fstatfs=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_fstatfs=no"

#--------------------------------------------------------------------
#       Some system have no memcmp or it does not work with 8 bit
#       data, this checks it and add memcmp.o to LIBOBJS if needed
#--------------------------------------------------------------------
echo $ac_n "checking for 8-bit clean memcmp""... $ac_c" 1>&6
echo "configure:7261: checking for 8-bit clean memcmp" >&5
if eval "test \"`echo '$''{'ac_cv_func_memcmp_clean'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test "$cross_compiling" = yes; then
  ac_cv_func_memcmp_clean=no
else
  cat > conftest.$ac_ext <<EOF
#line 7269 "configure"
#include "confdefs.h"

main()
{
  char c0 = 0x40, c1 = 0x80, c2 = 0x81;
  exit(memcmp(&c0, &c2, 1) < 0 && memcmp(&c1, &c2, 1) < 0 ? 0 : 1);
}

EOF
if { (eval echo configure:7279: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
  ac_cv_func_memcmp_clean=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -fr conftest*
  ac_cv_func_memcmp_clean=no

#--------------------------------------------------------------------
#       Some system like SunOS 4 and other BSD like systems
#       have no memmove (we assume they have bcopy instead).
#       {The replacement define is in compat/string.h}
#--------------------------------------------------------------------
echo $ac_n "checking for memmove""... $ac_c" 1>&6
echo "configure:7303: checking for memmove" >&5
if eval "test \"`echo '$''{'ac_cv_func_memmove'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 7308 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char memmove(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */

choke me
#else
memmove();
#endif

; return 0; }
EOF
if { (eval echo configure:7331: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_func_memmove=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_memmove=no"

#--------------------------------------------------------------------
#	On some systems strstr is broken: it returns a pointer even
#	even if the original string is empty.
#--------------------------------------------------------------------
if test "x${ac_cv_func_strstr}" = "xyes"; then
    echo $ac_n "checking proper strstr implementation""... $ac_c" 1>&6
echo "configure:7364: checking proper strstr implementation" >&5
if eval "test \"`echo '$''{'tcl_cv_strstr_unbroken'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  
	if test "$cross_compiling" = yes; then
  tcl_cv_strstr_unbroken=broken
else
  cat > conftest.$ac_ext <<EOF
#line 7373 "configure"
#include "confdefs.h"

	extern int strstr();
	int main()
	{
	    exit(strstr("\0test", "test") ? 1 : 0);
	}
EOF
if { (eval echo configure:7382: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
  tcl_cv_strstr_unbroken=ok
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -fr conftest*
  tcl_cv_strstr_unbroken=broken

#--------------------------------------------------------------------
#	Check for strtoul function.  This is tricky because under some
#	versions of AIX strtoul returns an incorrect terminator
#	pointer for the string "0".
#--------------------------------------------------------------------

echo $ac_n "checking for strtoul""... $ac_c" 1>&6
echo "configure:7409: checking for strtoul" >&5
if eval "test \"`echo '$''{'ac_cv_func_strtoul'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 7414 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char strtoul(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */

choke me
#else
strtoul();
#endif

; return 0; }
EOF
if { (eval echo configure:7437: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_func_strtoul=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_strtoul=no"

else
  echo "$ac_t""no" 1>&6
tcl_ok=0
fi

if test $tcl_ok = 1; then
    echo $ac_n "checking proper strtoul implementation""... $ac_c" 1>&6
echo "configure:7459: checking proper strtoul implementation" >&5
if eval "test \"`echo '$''{'tcl_cv_strtoul_unbroken'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  
	if test "$cross_compiling" = yes; then
  tcl_cv_strtoul_unbroken=broken
else
  cat > conftest.$ac_ext <<EOF
#line 7468 "configure"
#include "confdefs.h"

	extern int strtoul();
	int main()
	{
	    char *string = "0";
	    char *term;
	    int value;
	    value = strtoul(string, &term, 0);
	    if ((value != 0) || (term != (string+1))) {
		exit(1);
	    }
	    exit(0);
	}
EOF
if { (eval echo configure:7484: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
  tcl_cv_strtoul_unbroken=ok 
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -fr conftest*
  tcl_cv_strtoul_unbroken=broken

#--------------------------------------------------------------------
#	Check for the strtod function.  This is tricky because in some
#	versions of Linux strtod mis-parses strings starting with "+".
#--------------------------------------------------------------------

echo $ac_n "checking for strtod""... $ac_c" 1>&6
echo "configure:7513: checking for strtod" >&5
if eval "test \"`echo '$''{'ac_cv_func_strtod'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 7518 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char strtod(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */

choke me
#else
strtod();
#endif

; return 0; }
EOF
if { (eval echo configure:7541: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_func_strtod=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_strtod=no"

else
  echo "$ac_t""no" 1>&6
tcl_ok=0
fi

if test $tcl_ok = 1; then
    echo $ac_n "checking proper strtod implementation""... $ac_c" 1>&6
echo "configure:7563: checking proper strtod implementation" >&5
if eval "test \"`echo '$''{'tcl_cv_strtod_unbroken'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  
	if test "$cross_compiling" = yes; then
  tcl_cv_strtod_unbroken=broken
else
  cat > conftest.$ac_ext <<EOF
#line 7572 "configure"
#include "confdefs.h"

	extern double strtod();
	int main()
	{
	    char *string = " +69";
	    char *term;
	    double value;
	    value = strtod(string, &term);
	    if ((value != 69) || (term != (string+4))) {
		exit(1);
	    }
	    exit(0);
	}
EOF
if { (eval echo configure:7588: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
  tcl_cv_strtod_unbroken=ok 
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -fr conftest*
  tcl_cv_strtod_unbroken=broken

#	terminating character under some conditions.  Check for this
#	and if the problem exists use a substitute procedure
#	"fixstrtod" that corrects the error.
#--------------------------------------------------------------------


    echo $ac_n "checking for strtod""... $ac_c" 1>&6
echo "configure:7620: checking for strtod" >&5
if eval "test \"`echo '$''{'ac_cv_func_strtod'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 7625 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char strtod(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */

choke me
#else
strtod();
#endif

; return 0; }
EOF
if { (eval echo configure:7648: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_func_strtod=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_strtod=no"

else
  echo "$ac_t""no" 1>&6
tcl_strtod=0
fi

    if test "$tcl_strtod" = 1; then
	echo $ac_n "checking for Solaris2.4/Tru64 strtod bugs""... $ac_c" 1>&6
echo "configure:7670: checking for Solaris2.4/Tru64 strtod bugs" >&5
if eval "test \"`echo '$''{'tcl_cv_strtod_buggy'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  
	    if test "$cross_compiling" = yes; then
  tcl_cv_strtod_buggy=buggy
else
  cat > conftest.$ac_ext <<EOF
#line 7679 "configure"
#include "confdefs.h"

		extern double strtod();
		int main() {
		    char *infString="Inf", *nanString="NaN", *spaceString=" ";
		    char *term;
		    double value;

		    value = strtod(spaceString, &term);
		    if (term == (spaceString+1)) {
			exit(1);
		    }
		    exit(0);
		}
EOF
if { (eval echo configure:7702: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
  tcl_cv_strtod_buggy=ok
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -fr conftest*
  tcl_cv_strtod_buggy=buggy

#--------------------------------------------------------------------
#	Check for various typedefs and provide substitutes if
#	they don't exist.
#--------------------------------------------------------------------

echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&6
echo "configure:7733: checking for ANSI C header files" >&5
if eval "test \"`echo '$''{'ac_cv_header_stdc'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 7738 "configure"
#include "confdefs.h"
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <float.h>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:7746: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
  rm -rf conftest*
  ac_cv_header_stdc=yes
else
  echo "$ac_err" >&5
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  ac_cv_header_stdc=no
fi
rm -f conftest*

if test $ac_cv_header_stdc = yes; then
  # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
cat > conftest.$ac_ext <<EOF
#line 7763 "configure"
#include "confdefs.h"
#include <string.h>
EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "memchr" >/dev/null 2>&1; then
  :
else
  rm -rf conftest*
  ac_cv_header_stdc=no
fi
rm -f conftest*

fi

if test $ac_cv_header_stdc = yes; then
  # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
cat > conftest.$ac_ext <<EOF
#line 7781 "configure"
#include "confdefs.h"
#include <stdlib.h>
EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "free" >/dev/null 2>&1; then
  :
else
  rm -rf conftest*
  ac_cv_header_stdc=no
fi
rm -f conftest*

fi

if test $ac_cv_header_stdc = yes; then
  # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
if test "$cross_compiling" = yes; then
  :
else
  cat > conftest.$ac_ext <<EOF
#line 7802 "configure"
#include "confdefs.h"
#include <ctype.h>
#define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
#define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
int main () { int i; for (i = 0; i < 256; i++)
if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
exit (0); }

EOF
if { (eval echo configure:7813: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
  :
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -fr conftest*
  ac_cv_header_stdc=no

  cat >> confdefs.h <<\EOF
#define STDC_HEADERS 1
EOF

fi

echo $ac_n "checking for mode_t""... $ac_c" 1>&6
echo "configure:7837: checking for mode_t" >&5
if eval "test \"`echo '$''{'ac_cv_type_mode_t'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 7842 "configure"
#include "confdefs.h"
#include <sys/types.h>
#if STDC_HEADERS
#include <stdlib.h>
#include <stddef.h>
#endif
EOF

  cat >> confdefs.h <<\EOF
#define mode_t int
EOF

fi

echo $ac_n "checking for pid_t""... $ac_c" 1>&6
echo "configure:7870: checking for pid_t" >&5
if eval "test \"`echo '$''{'ac_cv_type_pid_t'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 7875 "configure"
#include "confdefs.h"
#include <sys/types.h>
#if STDC_HEADERS
#include <stdlib.h>
#include <stddef.h>
#endif
EOF

  cat >> confdefs.h <<\EOF
#define pid_t int
EOF

fi

echo $ac_n "checking for size_t""... $ac_c" 1>&6
echo "configure:7903: checking for size_t" >&5
if eval "test \"`echo '$''{'ac_cv_type_size_t'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 7908 "configure"
#include "confdefs.h"
#include <sys/types.h>
#if STDC_HEADERS
#include <stdlib.h>
#include <stddef.h>
#endif
EOF

  cat >> confdefs.h <<\EOF
#define size_t unsigned
EOF

fi

echo $ac_n "checking for uid_t in sys/types.h""... $ac_c" 1>&6
echo "configure:7936: checking for uid_t in sys/types.h" >&5
if eval "test \"`echo '$''{'ac_cv_type_uid_t'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 7941 "configure"
#include "confdefs.h"
#include <sys/types.h>
EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "uid_t" >/dev/null 2>&1; then
  rm -rf conftest*
  ac_cv_type_uid_t=yes

#define gid_t int
EOF

fi


echo $ac_n "checking for socklen_t""... $ac_c" 1>&6
echo "configure:7971: checking for socklen_t" >&5
if eval "test \"`echo '$''{'ac_cv_type_socklen_t'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  
    cat > conftest.$ac_ext <<EOF
#line 7977 "configure"
#include "confdefs.h"

    #include <sys/types.h>
    #include <sys/socket.h>
    #if STDC_HEADERS
    #include <stdlib.h>
    #include <stddef.h>

#	If a system doesn't have an opendir function (man, that's old!)
#	then we have to supply a different version of dirent.h which
#	is compatible with the substitute version of opendir that's
#	provided.  This version only works with V7-style directories.
#--------------------------------------------------------------------

echo $ac_n "checking for opendir""... $ac_c" 1>&6
echo "configure:8016: checking for opendir" >&5
if eval "test \"`echo '$''{'ac_cv_func_opendir'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 8021 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char opendir(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */

choke me
#else
opendir();
#endif

; return 0; }
EOF
if { (eval echo configure:8044: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_func_opendir=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_opendir=no"

#	"union wait" correctly.  It's needed because of weirdness in
#	HP-UX where "union wait" is defined in both the BSD and SYS-V
#	environments.  Checking the usability of WIFEXITED seems to do
#	the trick.
#--------------------------------------------------------------------

echo $ac_n "checking union wait""... $ac_c" 1>&6
echo "configure:8077: checking union wait" >&5
if eval "test \"`echo '$''{'tcl_cv_union_wait'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  
    cat > conftest.$ac_ext <<EOF
#line 8083 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <sys/wait.h>
int main() {

union wait x;
WIFEXITED(x);		/* Generates compiler error if WIFEXITED
			 * uses an int. */
    
; return 0; }
EOF
if { (eval echo configure:8095: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  tcl_cv_union_wait=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  tcl_cv_union_wait=no

#--------------------------------------------------------------------
#	Check whether there is an strncasecmp function on this system.
#	This is a bit tricky because under SCO it's in -lsocket and
#	under Sequent Dynix it's in -linet.
#--------------------------------------------------------------------

echo $ac_n "checking for strncasecmp""... $ac_c" 1>&6
echo "configure:8122: checking for strncasecmp" >&5
if eval "test \"`echo '$''{'ac_cv_func_strncasecmp'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 8127 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char strncasecmp(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */

choke me
#else
strncasecmp();
#endif

; return 0; }
EOF
if { (eval echo configure:8150: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_func_strncasecmp=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_strncasecmp=no"

else
  echo "$ac_t""no" 1>&6
tcl_ok=0
fi

if test "$tcl_ok" = 0; then
    echo $ac_n "checking for strncasecmp in -lsocket""... $ac_c" 1>&6
echo "configure:8172: checking for strncasecmp in -lsocket" >&5
ac_lib_var=`echo socket'_'strncasecmp | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  ac_save_LIBS="$LIBS"
LIBS="-lsocket  $LIBS"
cat > conftest.$ac_ext <<EOF
#line 8180 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
char strncasecmp();

int main() {
strncasecmp()
; return 0; }
EOF
if { (eval echo configure:8191: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=no"

  echo "$ac_t""no" 1>&6
tcl_ok=0
fi

fi
if test "$tcl_ok" = 0; then
    echo $ac_n "checking for strncasecmp in -linet""... $ac_c" 1>&6
echo "configure:8215: checking for strncasecmp in -linet" >&5
ac_lib_var=`echo inet'_'strncasecmp | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  ac_save_LIBS="$LIBS"
LIBS="-linet  $LIBS"
cat > conftest.$ac_ext <<EOF
#line 8223 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
char strncasecmp();

int main() {
strncasecmp()
; return 0; }
EOF
if { (eval echo configure:8234: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=no"

#	   but they have a BSDgettimeofday function that can be used instead.
#	3. See if gettimeofday is declared in the <sys/time.h> header file.
#	   if not, set the GETTOD_NOT_DECLARED flag so that tclPort.h can
#	   declare it.
#--------------------------------------------------------------------

echo $ac_n "checking for BSDgettimeofday""... $ac_c" 1>&6
echo "configure:8272: checking for BSDgettimeofday" >&5
if eval "test \"`echo '$''{'ac_cv_func_BSDgettimeofday'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 8277 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char BSDgettimeofday(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */

choke me
#else
BSDgettimeofday();
#endif

; return 0; }
EOF
if { (eval echo configure:8300: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_func_BSDgettimeofday=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_BSDgettimeofday=no"

#define HAVE_BSDGETTIMEOFDAY 1
EOF

else
  echo "$ac_t""no" 1>&6

    echo $ac_n "checking for gettimeofday""... $ac_c" 1>&6
echo "configure:8322: checking for gettimeofday" >&5
if eval "test \"`echo '$''{'ac_cv_func_gettimeofday'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 8327 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char gettimeofday(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */

choke me
#else
gettimeofday();
#endif

; return 0; }
EOF
if { (eval echo configure:8350: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_func_gettimeofday=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_gettimeofday=no"

fi


fi

echo $ac_n "checking for gettimeofday declaration""... $ac_c" 1>&6
echo "configure:8377: checking for gettimeofday declaration" >&5
if eval "test \"`echo '$''{'tcl_cv_grep_gettimeofday'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  
    cat > conftest.$ac_ext <<EOF
#line 8383 "configure"
#include "confdefs.h"
#include <sys/time.h>
EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "gettimeofday" >/dev/null 2>&1; then
  rm -rf conftest*
  tcl_cv_grep_gettimeofday=present

#--------------------------------------------------------------------
#	The following code checks to see whether it is possible to get
#	signed chars on this platform.  This is needed in order to
#	properly generate sign-extended ints from character values.
#--------------------------------------------------------------------

echo $ac_n "checking whether char is unsigned""... $ac_c" 1>&6
echo "configure:8414: checking whether char is unsigned" >&5
if eval "test \"`echo '$''{'ac_cv_c_char_unsigned'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test "$GCC" = yes; then
  # GCC predefines this symbol on systems where it applies.
cat > conftest.$ac_ext <<EOF
#line 8421 "configure"
#include "confdefs.h"
#ifdef __CHAR_UNSIGNED__
  yes
#endif

EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |

rm -f conftest*

else
if test "$cross_compiling" = yes; then
    { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
else
  cat > conftest.$ac_ext <<EOF
#line 8443 "configure"
#include "confdefs.h"
/* volatile prevents gcc2 from optimizing the test away on sparcs.  */
#if !defined(__STDC__) || __STDC__ != 1
#define volatile
#endif
main() {
  volatile char c = 255; exit(c < 0);
}
EOF
if { (eval echo configure:8453: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
  ac_cv_c_char_unsigned=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -fr conftest*
  ac_cv_c_char_unsigned=no

  cat >> confdefs.h <<\EOF
#define __CHAR_UNSIGNED__ 1
EOF

fi

echo $ac_n "checking signed char declarations""... $ac_c" 1>&6
echo "configure:8477: checking signed char declarations" >&5
if eval "test \"`echo '$''{'tcl_cv_char_signed'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  
    cat > conftest.$ac_ext <<EOF
#line 8483 "configure"
#include "confdefs.h"

int main() {

	signed char *p;
	p = 0;
	
; return 0; }
EOF
if { (eval echo configure:8493: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  tcl_cv_char_signed=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  tcl_cv_char_signed=no

fi

#--------------------------------------------------------------------
#  Does putenv() copy or not?  We need to know to avoid memory leaks.
#--------------------------------------------------------------------

echo $ac_n "checking for a putenv() that copies the buffer""... $ac_c" 1>&6
echo "configure:8518: checking for a putenv() that copies the buffer" >&5
if eval "test \"`echo '$''{'tcl_cv_putenv_copy'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  
    if test "$cross_compiling" = yes; then
  tcl_cv_putenv_copy=no
else
  cat > conftest.$ac_ext <<EOF
#line 8527 "configure"
#include "confdefs.h"

	#include <stdlib.h>
	#define OURVAR "havecopy=yes"
	int main (int argc, char *argv[])
	{
	    char *foo, *bar;

	    } else {
		/* does copy */
		return 1;
	    }
	}
    
EOF
if { (eval echo configure:8549: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
  tcl_cv_putenv_copy=no
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -fr conftest*
  tcl_cv_putenv_copy=yes

fi


    HAVE_LANGINFO=0
    if test "$langinfo_ok" = "yes"; then
	ac_safe=`echo "langinfo.h" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for langinfo.h""... $ac_c" 1>&6
echo "configure:8589: checking for langinfo.h" >&5
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 8594 "configure"
#include "confdefs.h"
#include <langinfo.h>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:8599: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=yes"
else
  echo "$ac_err" >&5
  echo "configure: failed program was:" >&5

else
  echo "$ac_t""no" 1>&6
langinfo_ok=no
fi

    fi
    echo $ac_n "checking whether to use nl_langinfo""... $ac_c" 1>&6
echo "configure:8623: checking whether to use nl_langinfo" >&5
    if test "$langinfo_ok" = "yes"; then
	if eval "test \"`echo '$''{'tcl_cv_langinfo_h'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  
	    cat > conftest.$ac_ext <<EOF
#line 8630 "configure"
#include "confdefs.h"
#include <langinfo.h>
int main() {
nl_langinfo(CODESET);
; return 0; }
EOF
if { (eval echo configure:8637: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  tcl_cv_langinfo_h=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  tcl_cv_langinfo_h=no

#--------------------------------------------------------------------

if test "`uname -s`" = "Darwin" ; then
    for ac_hdr in copyfile.h
do
ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
echo "configure:8670: checking for $ac_hdr" >&5
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 8675 "configure"
#include "confdefs.h"
#include <$ac_hdr>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:8680: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=yes"
else
  echo "$ac_err" >&5
  echo "configure: failed program was:" >&5

  echo "$ac_t""no" 1>&6
fi
done

    for ac_func in copyfile
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
echo "configure:8709: checking for $ac_func" >&5
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 8714 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char $ac_func(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */

choke me
#else
$ac_func();
#endif

; return 0; }
EOF
if { (eval echo configure:8737: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_func_$ac_func=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_$ac_func=no"

done

    if test $tcl_corefoundation = yes; then
	for ac_hdr in libkern/OSAtomic.h
do
ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
echo "configure:8766: checking for $ac_hdr" >&5
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 8771 "configure"
#include "confdefs.h"
#include <$ac_hdr>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:8776: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=yes"
else
  echo "$ac_err" >&5
  echo "configure: failed program was:" >&5

  echo "$ac_t""no" 1>&6
fi
done

	for ac_func in OSSpinLockLock
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
echo "configure:8805: checking for $ac_func" >&5
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 8810 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char $ac_func(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */

choke me
#else
$ac_func();
#endif

; return 0; }
EOF
if { (eval echo configure:8833: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_func_$ac_func=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_$ac_func=no"

  echo "$ac_t""no" 1>&6
fi
done

	for ac_func in pthread_atfork
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
echo "configure:8860: checking for $ac_func" >&5
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 8865 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char $ac_func(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */

choke me
#else
$ac_func();
#endif

; return 0; }
EOF
if { (eval echo configure:8888: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_func_$ac_func=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_$ac_func=no"

#define TCL_LOAD_FROM_MEMORY 1
EOF

    for ac_hdr in AvailabilityMacros.h
do
ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
echo "configure:8929: checking for $ac_hdr" >&5
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 8934 "configure"
#include "confdefs.h"
#include <$ac_hdr>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:8939: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=yes"
else
  echo "$ac_err" >&5
  echo "configure: failed program was:" >&5

else
  echo "$ac_t""no" 1>&6
fi
done

    if test "$ac_cv_header_AvailabilityMacros_h" = yes; then
	echo $ac_n "checking if weak import is available""... $ac_c" 1>&6
echo "configure:8967: checking if weak import is available" >&5
if eval "test \"`echo '$''{'tcl_cv_cc_weak_import'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  
	    hold_cflags=$CFLAGS; CFLAGS="$CFLAGS -Werror"
	    cat > conftest.$ac_ext <<EOF
#line 8974 "configure"
#include "confdefs.h"

		    #ifdef __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__
		    #if __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ < 1020
		    #error __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ < 1020
		    #endif
		    #elif MAC_OS_X_VERSION_MIN_REQUIRED < 1020
		    #error MAC_OS_X_VERSION_MIN_REQUIRED < 1020
		    #endif
		    int rand(void) __attribute__((weak_import));
		
int main() {
rand();
; return 0; }
EOF
if { (eval echo configure:8990: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  tcl_cv_cc_weak_import=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  tcl_cv_cc_weak_import=no

fi

#--------------------------------------------------------------------
# Check for support of fts functions (readdir replacement)
#--------------------------------------------------------------------

echo $ac_n "checking for fts""... $ac_c" 1>&6
echo "configure:9018: checking for fts" >&5
if eval "test \"`echo '$''{'tcl_cv_api_fts'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  
    cat > conftest.$ac_ext <<EOF
#line 9024 "configure"
#include "confdefs.h"

	    #include <sys/param.h>
	    #include <sys/stat.h>
	    #include <fts.h>
	
int main() {

	    char*const p[2] = {"/", NULL};
	    FTS *f = fts_open(p, FTS_PHYSICAL|FTS_NOCHDIR|FTS_NOSTAT, NULL);
	    FTSENT *e = fts_read(f); fts_close(f);
	
; return 0; }
EOF
if { (eval echo configure:9039: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  tcl_cv_api_fts=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  tcl_cv_api_fts=no

#--------------------------------------------------------------------


    for ac_hdr in sys/ioctl.h
do
ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
echo "configure:9071: checking for $ac_hdr" >&5
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 9076 "configure"
#include "confdefs.h"
#include <$ac_hdr>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:9081: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=yes"
else
  echo "$ac_err" >&5
  echo "configure: failed program was:" >&5

fi
done

    for ac_hdr in sys/filio.h
do
ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
echo "configure:9111: checking for $ac_hdr" >&5
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 9116 "configure"
#include "confdefs.h"
#include <$ac_hdr>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:9121: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=yes"
else
  echo "$ac_err" >&5
  echo "configure: failed program was:" >&5

else
  echo "$ac_t""no" 1>&6
fi
done

    
    echo $ac_n "checking system version""... $ac_c" 1>&6
echo "configure:9149: checking system version" >&5
if eval "test \"`echo '$''{'tcl_cv_sys_version'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  
	if test -f /usr/lib/NextStep/software_version; then
	    tcl_cv_sys_version=NEXTSTEP-`awk '/3/,/3/' /usr/lib/NextStep/software_version`
	else

    
fi

echo "$ac_t""$tcl_cv_sys_version" 1>&6
    system=$tcl_cv_sys_version

    echo $ac_n "checking FIONBIO vs. O_NONBLOCK for nonblocking I/O""... $ac_c" 1>&6
echo "configure:9180: checking FIONBIO vs. O_NONBLOCK for nonblocking I/O" >&5
    case $system in
	OSF*)
	    cat >> confdefs.h <<\EOF
#define USE_FIONBIO 1
EOF

	    echo "$ac_t""FIONBIO" 1>&6

else
  tcl_ok=no
fi

if test $tcl_ok = yes; then
    ac_safe=`echo "sys/sdt.h" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for sys/sdt.h""... $ac_c" 1>&6
echo "configure:9224: checking for sys/sdt.h" >&5
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 9229 "configure"
#include "confdefs.h"
#include <sys/sdt.h>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:9234: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=yes"
else
  echo "$ac_err" >&5
  echo "configure: failed program was:" >&5

fi

fi
if test $tcl_ok = yes; then
    # Extract the first word of "dtrace", so it can be a program name with args.
set dummy dtrace; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:9261: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_path_DTRACE'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  case "$DTRACE" in
  /*)
  ac_cv_path_DTRACE="$DTRACE" # Let the user override the test with a path.
  ;;

else
  echo "$ac_t""no" 1>&6
fi

    test -z "$ac_cv_path_DTRACE" && tcl_ok=no
fi
echo $ac_n "checking whether to enable DTrace support""... $ac_c" 1>&6
echo "configure:9296: checking whether to enable DTrace support" >&5
MAKEFILE_SHELL='/bin/sh'
if test $tcl_ok = yes; then
    cat >> confdefs.h <<\EOF
#define USE_DTRACE 1
EOF

    DTRACE_SRC="\${DTRACE_SRC}"

# AIX remembers this path and will attempt to use it at run-time to look
# up the Tcl library.

if test "`uname -s`" = "Darwin" ; then
    
    if test "`uname -s`" = "Darwin" ; then
	echo $ac_n "checking how to package libraries""... $ac_c" 1>&6
echo "configure:9350: checking how to package libraries" >&5
	# Check whether --enable-framework or --disable-framework was given.
if test "${enable_framework+set}" = set; then
  enableval="$enable_framework"
  enable_framework=$enableval
else
  enable_framework=no
fi

    AC_MSG_CHECKING([for build with symbols])
    AC_ARG_ENABLE(symbols, [  --enable-symbols        build with debugging symbols [--disable-symbols]],    [tcl_ok=$enableval], [tcl_ok=no])
# FIXME: Currently, LDFLAGS_DEFAULT is not used, it should work like CFLAGS_DEFAULT.
    if test "$tcl_ok" = "no"; then
	CFLAGS_DEFAULT='$(CFLAGS_OPTIMIZE)'
	LDFLAGS_DEFAULT='$(LDFLAGS_OPTIMIZE)'
	DBGX=""
	AC_DEFINE(NDEBUG, 1, [Is no debugging enabled?])
	AC_MSG_RESULT([no])
    else
	CFLAGS_DEFAULT='$(CFLAGS_DEBUG)'
	LDFLAGS_DEFAULT='$(LDFLAGS_DEBUG)'
	DBGX=g
	if test "$tcl_ok" = "yes"; then
	    AC_MSG_RESULT([yes (standard debugging)])

if eval "test \"`echo '$''{'ac_cv_cross'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1233 "configure"
#include "confdefs.h"

	    #ifndef __WIN32__
		#error cross-compiler
	    #endif
	
int main() {

; return 0; }
EOF
if { (eval echo configure:1244: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  ac_cv_cross=no
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  ac_cv_cross=yes
fi
rm -f conftest*
      
fi

echo "$ac_t""$ac_cv_cross" 1>&6

		echo "$ac_t""   Using 64-bit $MACHINE mode" 1>&6
		;;
	    *)
		cat > conftest.$ac_ext <<EOF
#line 1450 "configure"
#include "confdefs.h"

		    #ifndef _WIN64
			#error 32-bit
		    #endif
		
int main() {

; return 0; }
EOF
if { (eval echo configure:1461: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  tcl_win_64bit=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  tcl_win_64bit=no
		
fi
rm -f conftest*
		if test "$tcl_win_64bit" = "yes" ; then
			do64bit=amd64
			MACHINE="AMD64"
			echo "$ac_t""   Using 64-bit $MACHINE mode" 1>&6

fi

# FIXME: Currently, LDFLAGS_DEFAULT is not used, it should work like CFLAGS_DEFAULT.
    if test "$tcl_ok" = "no"; then
	CFLAGS_DEFAULT='$(CFLAGS_OPTIMIZE)'
	LDFLAGS_DEFAULT='$(LDFLAGS_OPTIMIZE)'
	DBGX=""
	cat >> confdefs.h <<\EOF
#define NDEBUG 1
EOF

	echo "$ac_t""no" 1>&6
    else
	CFLAGS_DEFAULT='$(CFLAGS_DEBUG)'
	LDFLAGS_DEFAULT='$(LDFLAGS_DEBUG)'
	DBGX=g
	if test "$tcl_ok" = "yes"; then
	    echo "$ac_t""yes (standard debugging)" 1>&6

TCL_DBGX=${DBGX}

#--------------------------------------------------------------------
# man2tcl needs this so that it can use errno.h
#--------------------------------------------------------------------

echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
echo "configure:2067: checking how to run the C preprocessor" >&5
# On Suns, sometimes $CPP names a directory.
if test -n "$CPP" && test -d "$CPP"; then
  CPP=
fi
if test -z "$CPP"; then
if eval "test \"`echo '$''{'ac_cv_prog_CPP'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
    # This must be in double quotes, not single quotes, because CPP may get
  # substituted into the Makefile and "${CC-cc}" will confuse make.
  CPP="${CC-cc} -E"
  # On the NeXT, cc -E runs the code through the compiler's parser,
  # not just through cpp.
  cat > conftest.$ac_ext <<EOF
#line 2082 "configure"
#include "confdefs.h"
#include <assert.h>
Syntax Error
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:2088: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
  :
else
  echo "$ac_err" >&5
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  CPP="${CC-cc} -E -traditional-cpp"
  cat > conftest.$ac_ext <<EOF
#line 2099 "configure"
#include "confdefs.h"
#include <assert.h>
Syntax Error
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:2105: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
  :
else
  echo "$ac_err" >&5
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  CPP="${CC-cc} -nologo -E"
  cat > conftest.$ac_ext <<EOF
#line 2116 "configure"
#include "confdefs.h"
#include <assert.h>
Syntax Error
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:2122: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
  :
else
  echo "$ac_err" >&5
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5

else
  ac_cv_prog_CPP="$CPP"
fi
echo "$ac_t""$CPP" 1>&6

ac_safe=`echo "errno.h" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for errno.h""... $ac_c" 1>&6
echo "configure:2148: checking for errno.h" >&5
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 2153 "configure"
#include "confdefs.h"
#include <errno.h>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:2158: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=yes"
else
  echo "$ac_err" >&5
  echo "configure: failed program was:" >&5

    AC_ARG_WITH(tcl, [  --with-tcl=DIR          use Tcl 8.4 binaries from DIR],
	    TCL_BIN_DIR=$withval, TCL_BIN_DIR=`cd $TCL_BIN_DIR_DEFAULT; pwd`)
    if test ! -d $TCL_BIN_DIR; then
	AC_MSG_ERROR(Tcl directory $TCL_BIN_DIR does not exist)
    fi
    if test ! -f $TCL_BIN_DIR/tclConfig.sh; then
	if test ! -f $TCL_BIN_DIR/../unix/tclConfig.sh; then
	    AC_MSG_ERROR(There is no tclConfig.sh in $TCL_BIN_DIR:  perhaps you did not specify the Tcl *build* directory (not the toplevel Tcl directory) or you forgot to configure Tcl?)
	fi
	TCL_BIN_DIR=`cd ${TCL_BIN_DIR}/../unix; pwd`
    fi
    AC_MSG_RESULT($TCL_BIN_DIR/tclConfig.sh)
])

#------------------------------------------------------------------------
# SC_PATH_TKCONFIG --
#

    AC_MSG_CHECKING([for build with symbols])
    AC_ARG_ENABLE(symbols, [  --enable-symbols        build with debugging symbols [--disable-symbols]],    [tcl_ok=$enableval], [tcl_ok=no])
# FIXME: Currently, LDFLAGS_DEFAULT is not used, it should work like CFLAGS_DEFAULT.
    if test "$tcl_ok" = "no"; then
	CFLAGS_DEFAULT='$(CFLAGS_OPTIMIZE)'
	LDFLAGS_DEFAULT='$(LDFLAGS_OPTIMIZE)'
	DBGX=""
	AC_DEFINE(NDEBUG, 1, [Is no debugging enabled?])
	AC_MSG_RESULT([no])
    else
	CFLAGS_DEFAULT='$(CFLAGS_DEBUG)'
	LDFLAGS_DEFAULT='$(LDFLAGS_DEBUG)'
	DBGX=g
	if test "$tcl_ok" = "yes"; then
	    AC_MSG_RESULT([yes (standard debugging)])
	fi
    fi
    AC_SUBST(CFLAGS_DEFAULT)
    AC_SUBST(LDFLAGS_DEFAULT)

    if test "$tcl_ok" = "mem" -o "$tcl_ok" = "all"; then
	AC_DEFINE(TCL_MEM_DEBUG, 1, [Is memory debugging enabled?])
    fi

    if test "$tcl_ok" = "compile" -o "$tcl_ok" = "all"; then
	AC_DEFINE(TCL_COMPILE_DEBUG, 1, [Is bytecode debugging enabled?])
	AC_DEFINE(TCL_COMPILE_STATS, 1, [Are bytecode statistics enabled?])
    fi

    if test "$tcl_ok" != "yes" -a "$tcl_ok" != "no"; then
	if test "$tcl_ok" = "all"; then
	    AC_MSG_RESULT([enabled symbols mem compile debugging])
	else
	    AC_MSG_RESULT([enabled $tcl_ok debugging])

    MACHINE="X86"

    if test "$GCC" = "yes"; then

      AC_CACHE_CHECK(for cross-compile version of gcc,
	ac_cv_cross,
	AC_TRY_COMPILE([
	    #ifndef __WIN32__
		#error cross-compiler
	    #endif
	], [],
	ac_cv_cross=no,
	ac_cv_cross=yes)
      )

      if test "$ac_cv_cross" = "yes"; then
	case "$do64bit" in
	    amd64|x64|yes)
		CC="x86_64-w64-mingw32-gcc"
		LD="x86_64-w64-mingw32-ld"

		;;
	    ia64)
		MACHINE="IA64"
		AC_MSG_RESULT([   Using 64-bit $MACHINE mode])
		;;
	    *)
		AC_TRY_COMPILE([
		    #ifndef _WIN64
			#error 32-bit
		    #endif
		], [],
			tcl_win_64bit=yes,
			tcl_win_64bit=no
		)
		if test "$tcl_win_64bit" = "yes" ; then
			do64bit=amd64
			MACHINE="AMD64"
			AC_MSG_RESULT([   Using 64-bit $MACHINE mode])
		fi
		;;

    Tcl_SetVar2(interp, "tcl_platform", "osVersion", buffer, TCL_GLOBAL_ONLY);
    if (oemId->wProcessorArchitecture < NUMPROCESSORS) {
	Tcl_SetVar2(interp, "tcl_platform", "machine",
		processors[oemId->wProcessorArchitecture],
		TCL_GLOBAL_ONLY);
    }

#ifndef NDEBUG
    /*
     * The existence of the "debug" element of the tcl_platform array indicates
     * that this particular Tcl shell has been compiled with debug information.
     * Using "info exists tcl_platform(debug)" a Tcl script can direct the 
     * interpreter to load debug versions of DLLs with the load command.
     */