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67 lines
2.6 KiB
CMake
67 lines
2.6 KiB
CMake
# Use this command to build the Windows port of Allegro
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# with a mingw cross compiler:
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#
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# cmake -DCMAKE_TOOLCHAIN_FILE=cmake/Toolchain-mingw.cmake .
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#
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# or for out of source:
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#
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# cmake -DCMAKE_TOOLCHAIN_FILE=../cmake/Toolchain-mingw.cmake ..
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#
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# You will need at least CMake 2.6.0.
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#
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# Adjust the following paths to suit your environment.
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#
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# You might want to set MINGDIR to prevent make install making a mess
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# in your normal directories.
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#
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# This file was based on http://www.cmake.org/Wiki/CmakeMingw
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# the name of the target operating system
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set(CMAKE_SYSTEM_NAME Windows)
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# Assume the target architecture.
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# XXX for some reason the value set here gets cleared before we reach the
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# main CMakeLists.txt; see that file for a workaround.
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# set(CMAKE_SYSTEM_PROCESSOR i686)
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# Which compilers to use for C and C++, and location of target
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# environment.
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if(EXISTS /usr/i586-mingw32msvc)
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# First look in standard location as used by Debian/Ubuntu/etc.
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set(CMAKE_C_COMPILER i586-mingw32msvc-gcc)
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set(CMAKE_CXX_COMPILER i586-mingw32msvc-g++)
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set(CMAKE_FIND_ROOT_PATH /usr/i586-mingw32msvc)
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elseif(EXISTS /opt/mingw)
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# Otherwise you can get a MinGW environment using the script at
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# <http://mingw-cross-env.nongnu.org>. It downloads and builds MinGW and
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# most of the dependencies for you. This is a suitable location.
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set(CMAKE_C_COMPILER /opt/mingw/usr/bin/i686-pc-mingw32-gcc)
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set(CMAKE_CXX_COMPILER /opt/mingw/usr/bin/i686-pc-mingw32-g++)
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set(CMAKE_FIND_ROOT_PATH /opt/mingw/usr/i686-pc-mingw32)
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else()
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# Else fill in local path which the user will likely adjust.
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# This is the location assumed by <http://www.libsdl.org/extras/win32/cross/>
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set(CMAKE_C_COMPILER /usr/local/cross-tools/bin/i386-mingw32-gcc)
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set(CMAKE_CXX_COMPILER /usr/local/cross-tools/bin/i386-mingw32-g++)
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set(CMAKE_FIND_ROOT_PATH /usr/local/cross-tools)
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endif()
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# Adjust the default behaviour of the FIND_XXX() commands:
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# search headers and libraries in the target environment, search
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# programs in the host environment
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set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
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set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
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set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
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# Tell pkg-config not to look at the target environment's .pc files.
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# Setting PKG_CONFIG_LIBDIR sets the default search directory, but we have to
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# set PKG_CONFIG_PATH as well to prevent pkg-config falling back to the host's
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# path.
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set(ENV{PKG_CONFIG_LIBDIR} ${CMAKE_FIND_ROOT_PATH}/lib/pkgconfig)
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set(ENV{PKG_CONFIG_PATH} ${CMAKE_FIND_ROOT_PATH}/lib/pkgconfig)
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set(INSTALL_PREFIX ${CMAKE_FIND_ROOT_PATH})
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if(ENV{MINGDIR} STREQUAL "")
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set(ENV{MINGDIR} ${CMAKE_FIND_ROOT_PATH})
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endif()
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