[CMake] Re: Bug with cmake's `--debug-trycompile' option?

Clark J. Wang dearvoid at gmail.com
Tue Dec 18 23:01:11 EST 2007


Anybody has any idea?

On Dec 11, 2007 5:07 PM, Clark J. Wang <dearvoid at gmail.com> wrote:

> I have a CMakeLists.txt like this:
>
> PROJECT(foo)
>
> SET(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS TRUE)
>
> INCLUDE(CheckIncludeFile)
>
> CHECK_INCLUDE_FILE(poll.h VAR1)
> CHECK_INCLUDE_FILE(sys/event.h VAR2)
>
> When I run `cmake .' it outputed like this:
>
> -- Check for working C compiler: /usr/bin/gcc
> -- Check for working C compiler: /usr/bin/gcc -- works
> -- Check size of void*
> -- Check size of void* - done
> -- Check for working CXX compiler: /usr/bin/c++
> -- Check for working CXX compiler: /usr/bin/c++ -- works
> -- Looking for poll.h
> -- Looking for poll.h - found
> -- Looking for sys/event.h
> -- Looking for sys/event.h - not found
> -- Configuring done
> -- Generating done
> -- Build files have been written to:
> /root/void/cmake/check_include_file/build
>
> This is fine for `sys/event.h' is not available on my system. But when I
> run `cmake --debug-trycompile .' it outputed like this:
>
> debug trycompile on
> -- Check for working C compiler: /usr/bin/gcc
> -- Check for working C compiler: /usr/bin/gcc -- works
> -- Check size of void*
> -- Check size of void* - done
> -- Check for working CXX compiler: /usr/bin/c++
> -- Check for working CXX compiler: /usr/bin/c++ -- works
> -- Looking for poll.h
> -- Looking for poll.h - found
> -- Looking for sys/event.h
> -- Looking for sys/event.h - found
> -- Configuring done
> -- Generating done
> -- Build files have been written to:
> /root/void/cmake/check_include_file/build
>
> This time it said that `sys/event.h' was found! Anything wrong?
>
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