[CMake] CMAKE_TOOLCHAIN_FILE support, empty CMAKE_AR && CMAKE_RANLIB

[Alexander Neundorf]

On Saturday 27 February 2010, Oleg Kravchenko wrote:
> Hello i am try build tinyxml library by mingw32 on gentoo linux with cmake:
> =dev-util/cmake-2.6.4-r3
> =dev-util/cmake-2.8.0-r2
>
> But have this errors:
> $ cmake -DCMAKE_TOOLCHAIN_FILE=~/i686-pc-mingw32.cmake -
> DDOKAN_INCLUDE_DIR=~/projects/dokan/ -DCMAKE_BUILD_TYPE=Debug .
> -- The C compiler identification is GNU
> -- The CXX compiler identification is GNU
> -- Check for working C compiler: /usr/bin/i686-pc-mingw32-gcc
> -- Check for working C compiler: /usr/bin/i686-pc-mingw32-gcc -- works
> -- Detecting C compiler ABI info
> -- Detecting C compiler ABI info - done
> -- Check for working CXX compiler: /usr/bin/i686-pc-mingw32-g++
> -- Check for working CXX compiler: /usr/bin/i686-pc-mingw32-g++ -- works
> -- Detecting CXX compiler ABI info
> -- Detecting CXX compiler ABI info - done
> -- Configuring done
> -- Generating done
> -- Build files have been written to: /home/kaa/projects/tinyxml
> $ make
> [ 12%] Building CXX object
> tinyxml_build/CMakeFiles/tinyxml.dir/tinystr.cpp.obj
> [ 25%] Building CXX object
> tinyxml_build/CMakeFiles/tinyxml.dir/tinyxml.cpp.obj
> [ 37%] Building CXX object
> tinyxml_build/CMakeFiles/tinyxml.dir/tinyxmlerror.cpp.obj
> [ 50%] Building CXX object
> tinyxml_build/CMakeFiles/tinyxml.dir/tinyxmlparser.cpp.obj
> Linking CXX static library
> /home/kaa/projects/sqlfs/target/Debug/libtinyxml.a Error running link
> command: No such file or directory
> make[2]: *** [/home/kaa/projects/win32/target/Debug/libtinyxml.a] Error 2
> make[1]: *** [tinyxml_build/CMakeFiles/tinyxml.dir/all] Error 2
> make: *** [all] Error 2
>
> I "fix" problem by patching CMakeFindBinUtils.cmake
>
> Please fix and release 2.6.x and 2.8.x version

Strange.
Please apply the attached patch to CMakeDetermineCCompiler.cmake and run cmake 
again on a fresh build dir, and post the output.

Alex
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