[CMake] CMake fails to use a toolchain to cross-compile

[Eric Noulard]

2011/5/15 Eduardo Sánchez Muñoz <eduardosanchezmunoz at gmail.com>:
> I get the following error when I use a toolchain file to cross-compile with
> mingw32:
> $ cmake -DCMAKE_TOOLCHAIN_FILE=~/Documentos/mingw32.cmake
> -DCMAKE_INSTALL_PREFIX=/usr/i486-mingw32 .
> -- The C compiler identification is GNU
> -- The CXX compiler identification is GNU
> CMake Error: your RC compiler: "CMAKE_RC_COMPILER-NOTFOUND" was not found.
> Please set CMAKE_RC_COMPILER to a valid compiler path or name.
> -- Check for working C compiler: /usr/bin/i486-mingw32-gcc
> CMake Error at /usr/share/cmake-2.8/Modules/CMakeRCInformation.cmake:22
> (GET_FILENAME_COMPONENT):
>   get_filename_component called with incorrect number of arguments
> Call Stack (most recent call first):
>   /usr/share/cmake-2.8/Modules/Platform/Windows-GNU.cmake:59
> (enable_language)
>   /usr/share/cmake-2.8/Modules/Platform/Windows-GNU-C.cmake:1 (include)
>   /usr/share/cmake-2.8/Modules/CMakeCInformation.cmake:56 (INCLUDE)
>   CMakeLists.txt:2 (PROJECT)
>
>
> CMake Error: CMAKE_RC_COMPILER not set, after EnableLanguage
> CMake Error: Internal CMake error, TryCompile configure of cmake failed
> -- Check for working C compiler: /usr/bin/i486-mingw32-gcc -- broken
> CMake Error at /usr/share/cmake-2.8/Modules/CMakeTestCCompiler.cmake:52
> (MESSAGE):
>   The C compiler "/usr/bin/i486-mingw32-gcc" is not able to compile a simple
>   test program.
>
>   It fails with the following output:
>
>
>
>
>
>   CMake will not be able to correctly generate this project.
> Call Stack (most recent call first):
>   CMakeLists.txt:3 (PROJECT)
>
>
> -- Configuring incomplete, errors occurred!
>
> My toolchain file is:
> set(CMAKE_SYSTEM_NAME Windows)
> set(CMAKE_C_COMPILER i486-mingw32-gcc)
> set(CMAKE_CXX_COMPILER i486-mingw32-g++)

you lack the definition of CMAKE_RC_COMPILER
which for your case should be something like:

SET(CMAKE_RC_COMPILER i486-mingw32-windres)

The attached toolchain file may be easier to tailor to you need on several host,
just comment/set the appropriate value for "COMPILER_PREFIX"
and USER_ROOT_PATH.


-- 
Erk
Membre de l'April - « promouvoir et défendre le logiciel libre » -
http://www.april.org
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