[CentOS] Fwd: Cross Building Tcl using Mingw32-gcc (4.9.2)

Tue Apr 28 14:24:42 UTC 2015
Robert Heller <heller at deepsoft.com>

At Mon, 27 Apr 2015 11:55:20 -0400 Robert Heller <heller at deepsoft.com> wrote:

> 
> I posted this to the comp.lang.tcl newsgroup, but it might relate to a
> possible bug in the Mingw32 cross-build environment under CentOS 6 (or EPEL).

OK, it is a CentOS 6/EPEL problem.  I installed the i686-w64-mingw32 packages 
on a Ubuntu 12.04 VM and had no problems cross building Tcl 8.5.8.

> 
> Forwarded Message:
> 
> From: Robert Heller <heller at deepsoft.com>
> Subject: Cross Building Tcl using Mingw32-gcc (4.9.2)
> Newsgroups: comp.lang.tcl
> Message-ID: <Nc-dnd1wRNTsy6PInZ2dnUU7-b-dnZ2d at giganews.com>
> Date: Mon, 27 Apr 2015 10:32:01 -0500
> 
> 
> I am trying to cross-build Tcl (8.5.8) and I have encounted two problems:
> 
> One I easily hacked the sources (wrapped the offending lines with #ifdefs):
> 
> ./../generic/tclPosixStr.c:347:5: error: duplicate case value
>      case EPFNOSUPPORT: return "EPFNOSUPPORT";
>      ^
> ./../generic/tclPosixStr.c:290:5: error: previously used here
>      case ENOPROTOOPT: return "ENOPROTOOPT";
>      ^
> ./../generic/tclPosixStr.c: In function 'Tcl_ErrnoMsg':
> ./../generic/tclPosixStr.c:795:5: error: duplicate case value
>      case EPFNOSUPPORT: return "protocol family not supported";
>      ^
> ./../generic/tclPosixStr.c:738:5: error: previously used here
>      case ENOPROTOOPT: return "bad protocol option";
>      ^
> 
> The other I am not sure how to fix:
> 
> i686-w64-mingw32-gcc -c -O2 -fomit-frame-pointer -Wall  -I"../../generic" -DTCL_TOMMATH -DMP_PREC=4 -I"../../libtommath" -I".." -DPACKAGE_NAME=\"\" -DPACKAGE_TARNAME=\"\" -DPACKAGE_VERSION=\"\" -DPACKAGE_STRING=\"\" -DPACKAGE_BUGREPORT=\"\" -DSTDC_HEADERS=1 -DHAVE_NO_SEH=1 -DHAVE_NO_LPFN_DECLS=1 -DHAVE_ALLOCA_GCC_INLINE=1 -DHAVE_CAST_TO_UNION=1 -DTCL_CFGVAL_ENCODING=\"cp1252\" -DHAVE_SYS_TYPES_H=1 -DHAVE_SYS_STAT_H=1 -DHAVE_STDLIB_H=1 -DHAVE_STRING_H=1 -DHAVE_MEMORY_H=1 -DHAVE_STRINGS_H=1 -DHAVE_INTTYPES_H=1 -DHAVE_STDINT_H=1 -DHAVE_UNISTD_H=1 -DTCL_CFG_OPTIMIZED=1 -DTCL_CFG_DEBUG=1   -DBUILD_tcl "../tclWin32Dll.c" -o tclWin32Dll.o
> ./tclWin32Dll.c:65:3: error: conflicting types for 'EXCEPTION_REGISTRATION'
>  } EXCEPTION_REGISTRATION;
>    ^
> In file included from /usr/i686-w64-mingw32/sys-root/mingw/include/minwindef.h:146:0,
>                  from /usr/i686-w64-mingw32/sys-root/mingw/include/windef.h:8,
>                  from /usr/i686-w64-mingw32/sys-root/mingw/include/windows.h:69,
>                  from ../tclWinPort.h:72,
>                  from ../../generic/tclPort.h:25,
>                  from ../../generic/tclInt.h:3946,
>                  from ../tclWinInt.h:17,
>                  from ../tclWin32Dll.c:16:
> /usr/i686-w64-mingw32/sys-root/mingw/include/winnt.h:3554:43: note: previous declaration of 'EXCEPTION_REGISTRATION' was here
>      typedef EXCEPTION_REGISTRATION_RECORD EXCEPTION_REGISTRATION;
>                                            ^
> 
> Is there a solution possible?  This looks like internal inconsistency with the 
> header files that are part of the build toolchain.
> 
> 
> 

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