[LLVMdev] -version displays DEBUG on Visual C++ release build
russell.wallace at gmail.com
Sun Feb 14 01:28:39 PST 2010
Got it. You can define the relevant symbol at cmake stage, using a
command like this:
"-DCMAKE_CXX_FLAGS_RELEASE=/MD /O2 /Ob2 /D NDEBUG /D __OPTIMIZE__"
On Sun, Feb 14, 2010 at 5:41 AM, Russell Wallace
<russell.wallace at gmail.com> wrote:
> C:\llvm\bin>llc -version
> Low Level Virtual Machine (http://llvm.org/):
> llvm version 2.6svn
> DEBUG build.
> Built Jan 31 2010(20:46:01).
> Registered Targets:
> x86 - 32-bit X86: Pentium-Pro and above
> x86-64 - 64-bit X86: EM64T and AMD64
> I did specify the release build with cmake; the lack of crashing on
> exit of programs compiled therewith confirms that :-) As far as I can
> see, the reason for the incorrect reporting is in CommandLine.cpp:
> #ifndef __OPTIMIZE__
> cout << "DEBUG build";
> cout << "Optimized build";
> According to a Google search, gcc sets __OPTIMIZE__ when -O2 or better
> is used, so presumably that's the intent of the above and the reason
> it doesn't work with Visual C++.
> I'd ideally like my compiler to report the version of llvm it was
> linked with (as well as its own version), so output of incorrect
> information is a problem. Does anyone know of a solution to this?
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