236 lines
13 KiB
CMake
236 lines
13 KiB
CMake
# - import build settings from another project
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# CMAKE_IMPORT_BUILD_SETTINGS(SETTINGS_FILE) - macro defined to import the
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# build settings from another project.
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# SETTINGS_FILE - a file created by the other project's call to the
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# CMAKE_EXPORT_BUILD_SETTINGS macro, see CMakeExportBuildSettings.
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MACRO(CMAKE_IMPORT_BUILD_SETTINGS SETTINGS_FILE)
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IF(${SETTINGS_FILE} MATCHES ".+")
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# Load the settings.
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INCLUDE(${SETTINGS_FILE})
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# Check the CMake version that stored the settings.
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IF(${CMAKE_BUILD_SETTING_CMAKE_MAJOR_VERSION}.${CMAKE_BUILD_SETTING_CMAKE_MINOR_VERSION}
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GREATER ${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION})
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MESSAGE(SEND_ERROR
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"${CMAKE_BUILD_SETTING_PROJECT_NAME} was built using CMake "
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"${CMAKE_BUILD_SETTING_CMAKE_MAJOR_VERSION}.${CMAKE_BUILD_SETTING_CMAKE_MINOR_VERSION}, "
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"but this is CMake${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}. "
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"Please upgrade CMake to a more recent version.")
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ENDIF(${CMAKE_BUILD_SETTING_CMAKE_MAJOR_VERSION}.${CMAKE_BUILD_SETTING_CMAKE_MINOR_VERSION}
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GREATER ${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION})
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# Check the build tool.
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SET(CMAKE_BUILD_TOOL1 "")
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IF(CMAKE_BUILD_TOOL)
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GET_FILENAME_COMPONENT (CMAKE_BUILD_TOOL1 ${CMAKE_BUILD_TOOL} NAME_WE)
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STRING(TOLOWER ${CMAKE_BUILD_TOOL1} CMAKE_BUILD_TOOL1)
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ENDIF(CMAKE_BUILD_TOOL)
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SET(CMAKE_BUILD_TOOL2 "")
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IF(CMAKE_BUILD_SETTING_BUILD_TOOL)
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GET_FILENAME_COMPONENT (CMAKE_BUILD_TOOL2 ${CMAKE_BUILD_SETTING_BUILD_TOOL} NAME_WE)
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STRING(TOLOWER ${CMAKE_BUILD_TOOL2} CMAKE_BUILD_TOOL2)
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ENDIF(CMAKE_BUILD_SETTING_BUILD_TOOL)
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STRING(COMPARE NOTEQUAL "x${CMAKE_BUILD_TOOL1}" "x${CMAKE_BUILD_TOOL2}"
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CMAKE_BUILD_TOOL_MISMATCH)
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IF(CMAKE_BUILD_SETTING_BUILD_TOOL MATCHES "^msdev$")
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SET(CMAKE_IMPORT_BUILD_SETTINGS_IMPORTING_FROM_MS_STUDIO 1)
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ENDIF(CMAKE_BUILD_SETTING_BUILD_TOOL MATCHES "^msdev$")
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IF(CMAKE_BUILD_SETTING_BUILD_TOOL MATCHES "^devenv$")
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SET(CMAKE_IMPORT_BUILD_SETTINGS_IMPORTING_FROM_MS_STUDIO 1)
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ENDIF(CMAKE_BUILD_SETTING_BUILD_TOOL MATCHES "^devenv$")
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# Check the C++ compiler setting. If it is empty, the imported
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# project is not a C++ project, and doesn't need a matching compiler.
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IF(CMAKE_BUILD_SETTING_CXX_COMPILER)
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STRING(COMPARE NOTEQUAL
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"x${CMAKE_CXX_COMPILER}" "x${CMAKE_BUILD_SETTING_CXX_COMPILER}"
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CMAKE_CXX_COMPILER_MISMATCH)
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ENDIF(CMAKE_BUILD_SETTING_CXX_COMPILER)
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# Check the C build variation flags.
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STRING(COMPARE NOTEQUAL
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"x${CMAKE_C_FLAGS_DEBUG}" "x${CMAKE_BUILD_SETTING_C_FLAGS_DEBUG}"
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CMAKE_C_FLAGS_DEBUG_MISMATCH)
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STRING(COMPARE NOTEQUAL
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"x${CMAKE_C_FLAGS_RELEASE}" "x${CMAKE_BUILD_SETTING_C_FLAGS_RELEASE}"
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CMAKE_C_FLAGS_RELEASE_MISMATCH)
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STRING(COMPARE NOTEQUAL
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"x${CMAKE_C_FLAGS_MINSIZEREL}" "x${CMAKE_BUILD_SETTING_C_FLAGS_MINSIZEREL}"
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CMAKE_C_FLAGS_MINSIZEREL_MISMATCH)
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STRING(COMPARE NOTEQUAL
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"x${CMAKE_C_FLAGS_RELWITHDEBINFO}" "x${CMAKE_BUILD_SETTING_C_FLAGS_RELWITHDEBINFO}"
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CMAKE_C_FLAGS_RELWITHDEBINFO_MISMATCH)
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# Check the C++ build variation flags.
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STRING(COMPARE NOTEQUAL
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"x${CMAKE_CXX_FLAGS_DEBUG}" "x${CMAKE_BUILD_SETTING_CXX_FLAGS_DEBUG}"
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CMAKE_CXX_FLAGS_DEBUG_MISMATCH)
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STRING(COMPARE NOTEQUAL
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"x${CMAKE_CXX_FLAGS_RELEASE}" "x${CMAKE_BUILD_SETTING_CXX_FLAGS_RELEASE}"
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CMAKE_CXX_FLAGS_RELEASE_MISMATCH)
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STRING(COMPARE NOTEQUAL
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"x${CMAKE_CXX_FLAGS_MINSIZEREL}" "x${CMAKE_BUILD_SETTING_CXX_FLAGS_MINSIZEREL}"
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CMAKE_CXX_FLAGS_MINSIZEREL_MISMATCH)
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STRING(COMPARE NOTEQUAL
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"x${CMAKE_CXX_FLAGS_RELWITHDEBINFO}" "x${CMAKE_BUILD_SETTING_CXX_FLAGS_RELWITHDEBINFO}"
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CMAKE_CXX_FLAGS_RELWITHDEBINFO_MISMATCH)
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# Check the build type.
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SET(CMAKE_BUILD_TYPE_MISMATCH 0)
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IF(WIN32)
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IF(NOT CMAKE_IMPORT_BUILD_SETTINGS_IMPORTING_FROM_MS_STUDIO)
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STRING(COMPARE NOTEQUAL
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"x${CMAKE_BUILD_TYPE}" "x${CMAKE_BUILD_SETTING_BUILD_TYPE}"
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CMAKE_BUILD_TYPE_MISMATCH)
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ENDIF(NOT CMAKE_IMPORT_BUILD_SETTINGS_IMPORTING_FROM_MS_STUDIO)
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ENDIF(WIN32)
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# Build tool must match on Windows.
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IF(WIN32)
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IF(CMAKE_BUILD_TOOL_MISMATCH)
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MESSAGE(SEND_ERROR
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"This project, ${PROJECT_NAME}, depends on the project "
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"${CMAKE_BUILD_SETTING_PROJECT_NAME}. Unfortunately "
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"${CMAKE_BUILD_SETTING_PROJECT_NAME} was built using "
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"\"${CMAKE_BUILD_TOOL2}\", but you are trying to build "
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"${PROJECT_NAME} using \"${CMAKE_BUILD_TOOL1}\"."
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"In order for this build to succeed, both projects must be "
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"built with the same Generator. To change the Generator you "
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"are using for the project ${PROJECT_NAME}, you must "
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"delete the cache, and then rerun cmake and this "
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"time select the same Generator that was used to build "
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"${CMAKE_BUILD_SETTING_PROJECT_NAME}. If "
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"${CMAKE_BUILD_SETTING_PROJECT_NAME} was built using a "
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"generator that you do not have (for example it was built "
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"with Visual Studio 6 and you only have 7) then you will "
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"need to select a different version of "
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"${CMAKE_BUILD_SETTING_PROJECT_NAME} or rebuild "
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"${CMAKE_BUILD_SETTING_PROJECT_NAME} with the correct "
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"generator. ")
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ENDIF(CMAKE_BUILD_TOOL_MISMATCH)
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ENDIF(WIN32)
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# Enforce the C++ compiler setting.
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IF(CMAKE_CXX_COMPILER_MISMATCH)
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MESSAGE("Warning: CMake is forcing CMAKE_CXX_COMPILER to "
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"\"${CMAKE_BUILD_SETTING_CXX_COMPILER}\" to match that imported "
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"from ${CMAKE_BUILD_SETTING_PROJECT_NAME}. This is required "
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"because C++ projects must use the same compiler. "
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"If this message appears for more than one imported project, "
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"you have conflicting C++ compilers and will have to "
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"re-build one of those projects.")
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SET(CMAKE_CXX_COMPILER ${CMAKE_BUILD_SETTING_CXX_COMPILER}
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CACHE STRING "C++ compiler imported from ${CMAKE_BUILD_SETTING_PROJECT_NAME}." FORCE)
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ENDIF(CMAKE_CXX_COMPILER_MISMATCH)
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# Enforce the build type.
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IF(CMAKE_BUILD_TYPE_MISMATCH)
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MESSAGE("Warning: CMake is forcing CMAKE_BUILD_TYPE to "
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"\"${CMAKE_BUILD_SETTING_BUILD_TYPE}\" to match that imported "
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"from ${CMAKE_BUILD_SETTING_PROJECT_NAME}. This is required "
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"because projects must use the same compiler settings. "
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"If this message appears for more than one imported project, "
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"you have conflicting compiler settings and will have to "
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"re-build one of those projects.")
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SET(CMAKE_BUILD_TYPE ${CMAKE_BUILD_SETTING_BUILD_TYPE}
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CACHE STRING "Build type imported from ${CMAKE_BUILD_SETTING_PROJECT_NAME}." FORCE)
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ENDIF(CMAKE_BUILD_TYPE_MISMATCH)
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# Enforce the C build variation flags.
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IF(CMAKE_C_FLAGS_DEBUG_MISMATCH)
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MESSAGE("Warning: CMake is forcing CMAKE_C_FLAGS_DEBUG to "
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"\"${CMAKE_BUILD_SETTING_C_FLAGS_DEBUG}\" to match that imported "
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"from ${CMAKE_BUILD_SETTING_PROJECT_NAME}. "
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"If this message appears for more than one imported project, "
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"you have conflicting options and will have to "
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"re-build one of those projects.")
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SET(CMAKE_C_FLAGS_DEBUG ${CMAKE_BUILD_SETTING_C_FLAGS_DEBUG}
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CACHE STRING "C DEBUG flags imported from ${CMAKE_BUILD_SETTING_PROJECT_NAME}." FORCE)
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ENDIF(CMAKE_C_FLAGS_DEBUG_MISMATCH)
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IF(CMAKE_C_FLAGS_RELEASE_MISMATCH)
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MESSAGE("Warning: CMake is forcing CMAKE_C_FLAGS_RELEASE to "
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"\"${CMAKE_BUILD_SETTING_C_FLAGS_RELEASE}\" to match that imported "
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"from ${CMAKE_BUILD_SETTING_PROJECT_NAME}. "
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"If this message appears for more than one imported project, "
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"you have conflicting options and will have to "
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"re-build one of those projects.")
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SET(CMAKE_C_FLAGS_RELEASE ${CMAKE_BUILD_SETTING_C_FLAGS_RELEASE}
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CACHE STRING "C RELEASE flags imported from ${CMAKE_BUILD_SETTING_PROJECT_NAME}." FORCE)
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ENDIF(CMAKE_C_FLAGS_RELEASE_MISMATCH)
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IF(CMAKE_C_FLAGS_MINSIZEREL_MISMATCH)
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MESSAGE("Warning: CMake is forcing CMAKE_C_FLAGS_MINSIZEREL to "
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"\"${CMAKE_BUILD_SETTING_C_FLAGS_MINSIZEREL}\" to match that imported "
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"from ${CMAKE_BUILD_SETTING_PROJECT_NAME}. "
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"If this message appears for more than one imported project, "
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"you have conflicting options and will have to "
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"re-build one of those projects.")
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SET(CMAKE_C_FLAGS_MINSIZEREL ${CMAKE_BUILD_SETTING_C_FLAGS_MINSIZEREL}
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CACHE STRING "C MINSIZEREL flags imported from ${CMAKE_BUILD_SETTING_PROJECT_NAME}." FORCE)
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ENDIF(CMAKE_C_FLAGS_MINSIZEREL_MISMATCH)
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IF(CMAKE_C_FLAGS_RELWITHDEBINFO_MISMATCH)
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MESSAGE("Warning: CMake is forcing CMAKE_C_FLAGS_RELWITHDEBINFO to "
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"\"${CMAKE_BUILD_SETTING_C_FLAGS_RELWITHDEBINFO}\" to match that imported "
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"from ${CMAKE_BUILD_SETTING_PROJECT_NAME}. "
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"If this message appears for more than one imported project, "
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"you have conflicting options and will have to "
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"re-build one of those projects.")
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SET(CMAKE_C_FLAGS_RELWITHDEBINFO ${CMAKE_BUILD_SETTING_C_FLAGS_RELWITHDEBINFO}
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CACHE STRING "C RELWITHDEBINFO flags imported from ${CMAKE_BUILD_SETTING_PROJECT_NAME}." FORCE)
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ENDIF(CMAKE_C_FLAGS_RELWITHDEBINFO_MISMATCH)
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# Enforce the C++ build variation flags.
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IF(CMAKE_CXX_FLAGS_DEBUG_MISMATCH)
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MESSAGE("Warning: CMake is forcing CMAKE_CXX_FLAGS_DEBUG to "
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"\"${CMAKE_BUILD_SETTING_CXX_FLAGS_DEBUG}\" to match that imported "
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"from ${CMAKE_BUILD_SETTING_PROJECT_NAME}. "
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"If this message appears for more than one imported project, "
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"you have conflicting options and will have to "
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"re-build one of those projects.")
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SET(CMAKE_CXX_FLAGS_DEBUG ${CMAKE_BUILD_SETTING_CXX_FLAGS_DEBUG}
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CACHE STRING "C++ DEBUG flags imported from ${CMAKE_BUILD_SETTING_PROJECT_NAME}." FORCE)
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ENDIF(CMAKE_CXX_FLAGS_DEBUG_MISMATCH)
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IF(CMAKE_CXX_FLAGS_RELEASE_MISMATCH)
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MESSAGE("Warning: CMake is forcing CMAKE_CXX_FLAGS_RELEASE to "
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"\"${CMAKE_BUILD_SETTING_CXX_FLAGS_RELEASE}\" to match that imported "
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"from ${CMAKE_BUILD_SETTING_PROJECT_NAME}. "
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"If this message appears for more than one imported project, "
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"you have conflicting options and will have to "
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"re-build one of those projects.")
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SET(CMAKE_CXX_FLAGS_RELEASE ${CMAKE_BUILD_SETTING_CXX_FLAGS_RELEASE}
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CACHE STRING "C++ RELEASE flags imported from ${CMAKE_BUILD_SETTING_PROJECT_NAME}." FORCE)
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ENDIF(CMAKE_CXX_FLAGS_RELEASE_MISMATCH)
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IF(CMAKE_CXX_FLAGS_MINSIZEREL_MISMATCH)
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MESSAGE("Warning: CMake is forcing CMAKE_CXX_FLAGS_MINSIZEREL to "
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"\"${CMAKE_BUILD_SETTING_CXX_FLAGS_MINSIZEREL}\" to match that imported "
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"from ${CMAKE_BUILD_SETTING_PROJECT_NAME}. "
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"If this message appears for more than one imported project, "
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"you have conflicting options and will have to "
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"re-build one of those projects.")
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SET(CMAKE_CXX_FLAGS_MINSIZEREL ${CMAKE_BUILD_SETTING_CXX_FLAGS_MINSIZEREL}
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CACHE STRING "C++ MINSIZEREL flags imported from ${CMAKE_BUILD_SETTING_PROJECT_NAME}." FORCE)
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ENDIF(CMAKE_CXX_FLAGS_MINSIZEREL_MISMATCH)
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IF(CMAKE_CXX_FLAGS_RELWITHDEBINFO_MISMATCH)
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MESSAGE("Warning: CMake is forcing CMAKE_CXX_FLAGS_RELWITHDEBINFO to "
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"\"${CMAKE_BUILD_SETTING_CXX_FLAGS_RELWITHDEBINFO}\" to match that imported "
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"from ${CMAKE_BUILD_SETTING_PROJECT_NAME}. "
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"If this message appears for more than one imported project, "
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"you have conflicting options and will have to "
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"re-build one of those projects.")
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SET(CMAKE_CXX_FLAGS_RELWITHDEBINFO ${CMAKE_BUILD_SETTING_CXX_FLAGS_RELWITHDEBINFO}
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CACHE STRING "C++ RELWITHDEBINFO flags imported from ${CMAKE_BUILD_SETTING_PROJECT_NAME}." FORCE)
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ENDIF(CMAKE_CXX_FLAGS_RELWITHDEBINFO_MISMATCH)
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ELSE(${SETTINGS_FILE} MATCHES ".+")
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MESSAGE(SEND_ERROR "CMAKE_IMPORT_BUILD_SETTINGS called with no argument.")
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ENDIF(${SETTINGS_FILE} MATCHES ".+")
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ENDMACRO(CMAKE_IMPORT_BUILD_SETTINGS)
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