[LLVMdev] Building LLVM 3.3 on Win64

[Russell Wallace]

I'm trying to build LLVM 3.3 using cmake/nmake, Microsoft C++ 2012, on a 64-bit Windows 7 system. I tried it with the 32-bit compiler as a test case first and that appeared to work, then with the 64-bit compiler in the hope that would give me a 64-bit build of LLVM, but instead got this error message:

[ 86%] Generating X86CompilationCallback_Win64.obj

Microsoft (R) Macro Assembler (x64) Version 11.00.51106.1

Copyright (C) Microsoft Corporation.  All rights reserved.

MASM : warning A4018:invalid command-line option : /llvm-3.3.src/lib/Target/X86/X86CompilationCallback_Win64.asm

MASM : fatal error A1017:missing source filename

NMAKE : fatal error U1077: 'echo' : return code '0x1'

Stop.

NMAKE : fatal error U1077: '"C:\Program Files (x86)\Microsoft Visual Studio 11.0\VC\BIN\nmake.exe"' : return code '0x2'

Stop.

NMAKE : fatal error U1077: '"C:\Program Files (x86)\Microsoft Visual Studio 11.0\VC\BIN\nmake.exe"' : return code '0x2'

Stop.

Am I doing something wrong?

[Russell Wallace]

After some running some more tests, a weird addendum to this case: the build also fails at the same place with the same error message if MinGW isn't in the path. I'm not talking about MinGW instead of Microsoft C++, it's just that the build works if and only if MinGW is in the path _as well as_ the 32-bit version of Microsoft C++.

[Russell Wallace]

... Or maybe not? I just tried it again in the exact same configuration that did work before, and this time it fails at an earlier stage with a different error:

[ 66%] Building CXX object lib/Target/Mips/CMakeFiles/LLVMMipsCodeGen.dir/Mips16FrameLowering.cpp.obj

Mips16FrameLowering.cpp

NMAKE : fatal error U1077: 'C:\PROGRA~2\MICROS~2.0\VC\bin\cl.exe' : return code '0xffffffff'

Stop.

NMAKE : fatal error U1077: '"C:\Program Files (x86)\Microsoft Visual Studio 11.0\VC\BIN\nmake.exe"' : return code '0x2'

Stop.

NMAKE : fatal error U1077: '"C:\Program Files (x86)\Microsoft Visual Studio 11.0\VC\BIN\nmake.exe"' : return code '0x2'

Stop.

[Russell Wallace]

Hmm, kicking off nmake again at the 66% mark after that last error, successfully ran to completion, so maybe that was just a transient hardware glitch for all I know; it's different from the other error which does seem to be persistent and repeatable.

[Kai Nacke]

Hi Russel,

I never tried to build LLVM with nmake. With msbuild it works without
problems. You can find a short desription here:
http://wiki.dlang.org/Building_and_hacking_LDC_on_Windows_using_MSVC,
section Build LLVM.

Regards
Kai

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[Russell Wallace]

Ah, that worked much better, thanks! It actually appears to build correctly now with this sequence of commands:

cd \

md llvm

cd llvm

\CMake\bin\cmake.exe \llvm-3.3.src

msbuild ALL_BUILD.vcxproj