[LLVMdev] Compiling LLVM under vista with msdev 2008 gives a few errors

Thomas Veith th.veith at googlemail.com
Fri Jan 22 07:12:01 PST 2010


i had the same troubles on Vista and on Win7...

cmake fails on some tests (you should see this in the log) due to m$ UAC (or
whatever the name is) and uses not-so-sane default values.

You have to start a visual c-command prompt (to make sure it gets the right
paths) with administrator privileges (!) , than cmake works fine and you get
a correct config.h.

best regards,

2010/1/22 herz <alexander.herz at mytum.de>

> Hi,
> I just started with LLVM so I'm not sure who's responsible for
> portability. Anyways, I found the following problems trying to compile
> llvm rev 94074 with the solution generated using cmake 2.8 (including
> the clang front end) on 32bit vista:
> lib/system
>    Errno.cpp : had to add "#undef HAVE_STRERROR_R"
>    raw_ostream.cpp: had to add "#undef HAVE_UNISTD_H"
>    (apparently config.h was not generated correctly)
> lib/support
>    IsNan.cpp : had to add "#define isnan _isnan #include <float.h>"
>    IsInf.cpp : had to add "#define isinf !_finite #include <float.h>"
> examples/ParallelJIT
>    ParallelJIT.cpp : "#include <pthread.h>" pthread.h not supported on
> windows
> Obviously, these are quick hacks to get it to compile and no solutions :)
> Possibly I did something wrong when configuring the build. Also I just
> had the first look atthe sources yesterday, so I wouldn't want to
> attempt a real solution myself, yet.
> Alex
> _______________________________________________
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