[cfe-dev] Problem building latest clang on Windows for mingw/gcc

[Michael Spencer]

On Wed, Jan 28, 2015 at 8:09 AM, Edward Diener
<eldlistmailingz at tropicsoft.com> wrote:
> Attempting to build the latest clang on Windows targeting mingw/gcc I
> receive the error:
>
> "llvm-tblgen.exe - Entry Point Not Found
>
> The procedure entry point _set_abort_behavior could not be located in the
> dynamic link library msvcrt.dll."
>
> Anybody have any idea what is happening ? It appears that llvm-tblgen.exe is
> at fault since Dependency Walker is showing the same problem.
>
> I have the latest llvm/clang and am using CMake/ninja to build llvm/clang.
> The mingw/gcc RTL is gcc-4.8.1. This has been previously working without a
> problem.
>
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Sorry about that. I broke that recently. A patch is on it's way to fix
this in CMake (http://reviews.llvm.org/D7224). For now you just need
to add:

-D__MSVCRT_VERSION__=0x<at least 90>0 -lmsvcr<at least 90>

mingw links against the OS msvcrt.dll by default, which it really
shouldn't be doing ;/

- Michael Spencer