Tcl Source Code

NOTE: this patch is provided to record the
modifications required. It is not intended to actually
be applied until this compiler is officially released.

This patch contains a number of changes required to
compile Tcl using Microsoft Visual C++ 8 which is
currently provided as part of the Microsoft Visual
Studio 2005 Beta.

To summarize:

regerror.c: 
  errcode is a typedef declared in the windows headers.

tclWinPort.h:
  A large number of C library functions have been
marked as depreciated as part of some secure
programming drive at MS. This suppresses the warnings.

tcl.h:
  By default time_t is declared as a 64 bit value. Tcl
can't cope with this so we define _USE_32BIT_TIME_T.
This means we must use a compatible struct version for
Tcl_StatBuf

nmakehlp.c:
  The error codes have changed.

rules.vc:
makefile.vc:
  We need more options checking as a number have been
removed.

The result is that Tcl now compiles without warnings.
There are 11 test suite failures and one crash. The
crash is caused by the C runtime when we try to convert
an illegal time value ( a legitimate test - blame
microsoft). The other failures are due to some change
in the putenv() function which appears to no longer be
changing the environment.

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to Build with MSVC8

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Now that MSVC8 has been release - applied patch.

File Added - 154830: msvc8_3.patch

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Final version - the env.test failures were due to the test
interpreter removing an essential environment variable
(SYSTEMROOT). We have had to add a few casts to avoid
complaints about assigning from the 64bit time_t to int or
long. Microsoft fixed the mktime() crashing issue reported
above.

File Added - 154806: msvc8_2.patch

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I originally developed this patch on the beta1 release -
version 14.00.40607.16 for 80x86. I have recently installed
the beta 2 release which is version 14.00.50215.44 and this
is almost identical as far as I can see.

I raised the following bug with MS:
http://lab.msdn.microsoft.com/productfeedback/viewfeedback.aspx?feedbackid=7a8c7299-f442-4d8e-95b4-9743ead00f33
but while they state this is fixed -- I find this not to be
the case.

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Which version of the compiler are you referring to with the
bugs, Pat? 

I'm using VS.NET 2005 Beta 2. 

cl  yields:

Version 14.00.50215.44 for X64

Jeff

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Which specific version of the compiler were you using? 

I'm using the VS.NET 2005 Beta 2. 

cl.exe emits the following version:

14.00.50215.44 for X64.

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So an updated patch is needed right - 64-bit time_t *should*
work in Tcl (as Solaris 64 bit uses it, among other 64-bit
OSes).

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The crash mentioned about was indeed a but in Microsoft's C
library shipped with the above compiler. MS replied to me
that this has been fixed so more recent versions should be ok.

File Added - 114692: msvc8.patch