06c4a8ffd6
This is necessary for Flatpak, because Yocto messes with the /usr/bin/*-config files, and really wants everyone to use pkgconfig. A fallback is kept to build on platforms which don't have pkgconfig for those libraries.
102 lines
5.3 KiB
CMake
102 lines
5.3 KiB
CMake
include(CMakeParseArguments)
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function(find_pkg_config_with_fallback_on_config_script name)
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cmake_parse_arguments(ARGS "" "PKG_CONFIG_NAME" "CONFIG_SCRIPT_NAME" ${ARGN})
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set(${name}_PKG_CONFIG_NAME ${ARGS_PKG_CONFIG_NAME} PARENT_SCOPE)
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find_package(PkgConfig)
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if(PKG_CONFIG_FOUND)
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pkg_search_module(${name}_PKG_CONFIG QUIET ${ARGS_PKG_CONFIG_NAME})
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endif(PKG_CONFIG_FOUND)
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if (${name}_PKG_CONFIG_FOUND)
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# Found via pkg-config, using it's result values
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set(${name}_FOUND ${${name}_PKG_CONFIG_FOUND})
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# Try to find real file name of libraries
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foreach(lib ${${name}_PKG_CONFIG_LIBRARIES})
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find_library(${name}_${lib}_LIBRARY ${lib} HINTS ${${name}_PKG_CONFIG_LIBRARY_DIRS})
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mark_as_advanced(${name}_${lib}_LIBRARY)
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if(NOT ${name}_${lib}_LIBRARY)
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unset(${name}_FOUND)
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endif(NOT ${name}_${lib}_LIBRARY)
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endforeach(lib)
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if(${name}_FOUND)
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set(${name}_LIBRARIES "")
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foreach(lib ${${name}_PKG_CONFIG_LIBRARIES})
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list(APPEND ${name}_LIBRARIES ${${name}_${lib}_LIBRARY})
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endforeach(lib)
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list(REMOVE_DUPLICATES ${name}_LIBRARIES)
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set(${name}_LIBRARIES ${${name}_LIBRARIES} PARENT_SCOPE)
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list(GET ${name}_LIBRARIES "0" ${name}_LIBRARY)
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set(${name}_FOUND ${${name}_FOUND} PARENT_SCOPE)
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set(${name}_INCLUDE_DIRS ${${name}_PKG_CONFIG_INCLUDE_DIRS} PARENT_SCOPE)
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set(${name}_LIBRARIES ${${name}_PKG_CONFIG_LIBRARIES} PARENT_SCOPE)
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set(${name}_LIBRARY ${${name}_LIBRARY} PARENT_SCOPE)
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set(${name}_VERSION ${${name}_PKG_CONFIG_VERSION} PARENT_SCOPE)
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if(NOT TARGET ${ARGS_PKG_CONFIG_NAME})
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add_library(${ARGS_PKG_CONFIG_NAME} INTERFACE IMPORTED)
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set_property(TARGET ${ARGS_PKG_CONFIG_NAME} PROPERTY INTERFACE_COMPILE_OPTIONS "${${name}_PKG_CONFIG_CFLAGS_OTHER}")
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set_property(TARGET ${ARGS_PKG_CONFIG_NAME} PROPERTY INTERFACE_INCLUDE_DIRECTORIES "${${name}_PKG_CONFIG_INCLUDE_DIRS}")
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set_property(TARGET ${ARGS_PKG_CONFIG_NAME} PROPERTY INTERFACE_LINK_LIBRARIES "${${name}_LIBRARIES}")
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endif(NOT TARGET ${ARGS_PKG_CONFIG_NAME})
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endif(${name}_FOUND)
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else(${name}_PKG_CONFIG_FOUND)
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# No success with pkg-config, try via custom a *-config script
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find_program(${name}_CONFIG_EXECUTABLE NAMES ${ARGS_CONFIG_SCRIPT_NAME}-config)
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mark_as_advanced(${name}_CONFIG_EXECUTABLE)
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find_program(${name}_SH_EXECUTABLE NAMES sh)
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mark_as_advanced(${name}_SH_EXECUTABLE)
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if(${name}_CONFIG_EXECUTABLE)
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macro(config_script_fail errcode)
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if(${errcode})
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message(FATAL_ERROR "Error invoking ${ARGS_CONFIG_SCRIPT_NAME}-config: ${errcode}")
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endif(${errcode})
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endmacro(config_script_fail)
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file(TO_NATIVE_PATH "${${name}_CONFIG_EXECUTABLE}" ${name}_CONFIG_EXECUTABLE)
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file(TO_NATIVE_PATH "${${name}_SH_EXECUTABLE}" ${name}_SH_EXECUTABLE)
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execute_process(COMMAND "${${name}_SH_EXECUTABLE}" "${${name}_CONFIG_EXECUTABLE}" --version
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OUTPUT_VARIABLE ${name}_VERSION
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RESULT_VARIABLE ERRCODE
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OUTPUT_STRIP_TRAILING_WHITESPACE)
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config_script_fail(${ERRCODE})
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execute_process(COMMAND "${${name}_SH_EXECUTABLE}" "${${name}_CONFIG_EXECUTABLE}" --api-version
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OUTPUT_VARIABLE ${name}_API_VERSION
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RESULT_VARIABLE ERRCODE
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OUTPUT_STRIP_TRAILING_WHITESPACE)
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config_script_fail(${ERRCODE})
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execute_process(COMMAND "${${name}_SH_EXECUTABLE}" "${${name}_CONFIG_EXECUTABLE}" --cflags
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OUTPUT_VARIABLE ${name}_CFLAGS
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RESULT_VARIABLE ERRCODE
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OUTPUT_STRIP_TRAILING_WHITESPACE)
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config_script_fail(${ERRCODE})
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execute_process(COMMAND "${${name}_SH_EXECUTABLE}" "${${name}_CONFIG_EXECUTABLE}" --libs
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OUTPUT_VARIABLE ${name}_LDFLAGS
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RESULT_VARIABLE ERRCODE
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OUTPUT_STRIP_TRAILING_WHITESPACE)
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config_script_fail(${ERRCODE})
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string(TOLOWER ${name} "${name}_LOWER")
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string(REGEX REPLACE "^(.* |)-l([^ ]*${${name}_LOWER}[^ ]*)( .*|)$" "\\2" ${name}_LIBRARY_NAME "${${name}_LDFLAGS}")
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string(REGEX REPLACE "^(.* |)-L([^ ]*)( .*|)$" "\\2" ${name}_LIBRARY_DIRS "${${name}_LDFLAGS}")
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find_library(${name}_LIBRARY ${${name}_LIBRARY_NAME} HINTS ${${name}_LIBRARY_DIRS})
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mark_as_advanced(${name}_LIBRARY)
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unset(${name}_LIBRARY_NAME)
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unset(${name}_LIBRARY_DIRS)
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if(NOT TARGET ${name}_LOWER)
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add_library(${name}_LOWER INTERFACE IMPORTED)
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set_property(TARGET ${name}_LOWER PROPERTY INTERFACE_LINK_LIBRARIES "${${name}_LDFLAGS}")
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set_property(TARGET ${name}_LOWER PROPERTY INTERFACE_COMPILE_OPTIONS "${${name}_CFLAGS}")
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endif(NOT TARGET ${name}_LOWER)
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endif(${name}_CONFIG_EXECUTABLE)
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endif(${name}_PKG_CONFIG_FOUND)
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endfunction()
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