146 lines
5.8 KiB
CMake
146 lines
5.8 KiB
CMake
###################################################################
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#
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# Copyright (c) 2006 Frederic Heem, <frederic.heem@telsey.it>
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# Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved.
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# See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
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# All rights reserved.
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#
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###################################################################
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# - pkg-config module for CMake
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#
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# Defines the following macros:
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#
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# PKGCONFIG_FOUND(package found)
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# PKGCONFIG(package includedir libdir linkflags cflags)
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# PKGCONFIG_VERSION(package version)
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# PKGCONFIG_DEFINITION(package definition)
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# Calling PKGCONFIG_FOUND will fill into the argument the value of the package search's result
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# e.g. PKGCONFIG_FOUND(libart-2.0 LIBART_FOUND)
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#
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# Calling PKGCONFIG_VERSION will fill the desired version into the argument,
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# e.g. PKGCONFIG_VERSION(libart-2.0 LIBART_VERSION)
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# Calling PKGCONFIG will fill the desired information into the 4 given arguments,
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# e.g. PKGCONFIG(libart-2.0 LIBART_INCLUDE_DIR LIBART_LINK_DIR LIBART_LINK_FLAGS LIBART_CFLAGS)
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# if pkg-config was NOT found or the specified software package doesn't exist, the
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# variable will be empty when the function returns, otherwise they will contain the respective information
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#
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# Calling PKGCONFIG_VERSION will fill the desired version into the argument,
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# e.g. PKGCONFIG_VERSION(libart-2.0 LIBART_VERSION)
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#
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# Calling PKGCONFIG_DEFINITION will fill the definition (e.g -D_REENTRANT) into the argument,
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# e.g. PKGCONFIG_DEFINITION(libart-2.0 LIBART_DEFINITION)
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FIND_PROGRAM(PKGCONFIG_EXECUTABLE NAMES pkg-config PATHS /usr/local/bin )
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MACRO(PKGCONFIG _package _include_DIR _link_DIR _link_FLAGS _cflags)
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# reset the variables at the beginning
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SET(${_include_DIR})
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SET(${_link_DIR})
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SET(${_link_FLAGS})
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SET(${_cflags})
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# if pkg-config has been found
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IF(PKGCONFIG_EXECUTABLE)
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EXEC_PROGRAM(${PKGCONFIG_EXECUTABLE} ARGS ${_package} --exists RETURN_VALUE _return_VALUE OUTPUT_VARIABLE _pkgconfigDevNull )
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# and if the package of interest also exists for pkg-config, then get the information
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IF(NOT _return_VALUE)
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EXEC_PROGRAM(${PKGCONFIG_EXECUTABLE} ARGS ${_package} --variable=includedir OUTPUT_VARIABLE ${_include_DIR} )
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EXEC_PROGRAM(${PKGCONFIG_EXECUTABLE} ARGS ${_package} --variable=libdir OUTPUT_VARIABLE ${_link_DIR} )
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EXEC_PROGRAM(${PKGCONFIG_EXECUTABLE} ARGS ${_package} --libs OUTPUT_VARIABLE ${_link_FLAGS} )
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EXEC_PROGRAM(${PKGCONFIG_EXECUTABLE} ARGS ${_package} --cflags OUTPUT_VARIABLE ${_cflags} )
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ENDIF(NOT _return_VALUE)
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ENDIF(PKGCONFIG_EXECUTABLE)
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ENDMACRO(PKGCONFIG _include_DIR _link_DIR _link_FLAGS _cflags)
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MACRO(PKGCONFIG_FOUND _package _pkgpath _found)
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# reset the variable at the beginning
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SET(${_found})
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# if pkg-config has been found
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IF(PKGCONFIG_EXECUTABLE)
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SET(ENV{PKG_CONFIG_PATH} ${_pkgpath})
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EXECUTE_PROCESS(COMMAND ${PKGCONFIG_EXECUTABLE} --print-errors --exists ${_package} RESULT_VARIABLE _return_VALUE OUTPUT_VARIABLE _pkgconfigDevNull )
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IF(${_pkgconfigDevNull})
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MESSAGE(STATUS "${_pkgconfigDevNull}")
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ENDIF(${_pkgconfigDevNull})
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IF(NOT _return_VALUE)
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SET(${_found} "TRUE")
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ENDIF(NOT _return_VALUE)
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ENDIF(PKGCONFIG_EXECUTABLE)
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ENDMACRO(PKGCONFIG_FOUND _package _pkgpath _found)
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#TODO: doesn't work when pkgconfig returns multiples inlude path
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MACRO(PKGCONFIG_INCLUDE_DIRS _package _pkgpath _include_dirs)
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# reset the variable at the beginning
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SET(${_include_dirs})
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IF(PKGCONFIG_EXECUTABLE)
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SET(ENV{PKG_CONFIG_PATH} ${_pkgpath})
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EXECUTE_PROCESS(COMMAND ${PKGCONFIG_EXECUTABLE} --cflags-only-I ${_package} OUTPUT_VARIABLE include)
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STRING(REGEX REPLACE "-I/" "/" _include_dirs_temp ${include})
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STRING(REGEX REPLACE "[\n\r]" "" ${_include_dirs} ${_include_dirs_temp})
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#When the include directory is /usr/include, pkgconfig returns a space and a new line
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IF("${_include_dirs}" STREQUAL " ")
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SET(${_include_dirs} "/usr/include")
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ENDIF("${_include_dirs}" STREQUAL " ")
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ENDIF(PKGCONFIG_EXECUTABLE)
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ENDMACRO(PKGCONFIG_INCLUDE_DIRS _package _pkgpath _include_dirs)
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MACRO(PKGCONFIG_LIBRARY_DIR _package _pkgpath _library_dir)
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# reset the variable at the beginning
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SET(${_library_dir})
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IF(PKGCONFIG_EXECUTABLE)
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SET(ENV{PKG_CONFIG_PATH} ${_pkgpath})
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EXECUTE_PROCESS(COMMAND ${PKGCONFIG_EXECUTABLE} --libs-only-L ${_package} OUTPUT_VARIABLE libraries)
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STRING(REGEX REPLACE "-L/" "/" _library_dirs_temp ${libraries})
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MESSAGE(STATUS "lib dir ${_library_dirs_temp} end")
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STRING(REGEX REPLACE "[\r\n]" "" ${_library_dir} ${_library_dirs_temp})
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#When the library directory is /usr/lib, pkgconfig returns an empty stringand a new line
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IF("${_library_dir}" STREQUAL " ")
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SET(${_library_dir} "/usr/lib")
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ENDIF("${_library_dir}" STREQUAL " ")
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MESSAGE(STATUS "lib dir ${${_library_dir}} end")
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ENDIF(PKGCONFIG_EXECUTABLE)
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ENDMACRO(PKGCONFIG_LIBRARY_DIR _package _pkgpath _library_dir)
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MACRO(PKGCONFIG_VERSION _package _pkgpath _version)
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# reset the variable at the beginning
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SET(${_version})
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IF(PKGCONFIG_EXECUTABLE)
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SET(ENV{PKG_CONFIG_PATH} ${_pkgpath})
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EXECUTE_PROCESS(COMMAND ${PKGCONFIG_EXECUTABLE} --modversion ${_package} OUTPUT_VARIABLE version)
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STRING(REGEX REPLACE "[\n\r]" "" ${_version} ${version})
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ENDIF(PKGCONFIG_EXECUTABLE)
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ENDMACRO(PKGCONFIG_VERSION _package _pkgpath _version)
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MACRO(PKGCONFIG_DEFINITION _package _pkgpath _definition)
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# reset the variable at the beginning
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SET(${_definition})
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IF(PKGCONFIG_EXECUTABLE)
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SET(ENV{PKG_CONFIG_PATH} ${_pkgpath})
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EXECUTE_PROCESS(COMMAND ${PKGCONFIG_EXECUTABLE} --cflags-only-other ${_package} OUTPUT_VARIABLE definition)
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STRING(REGEX REPLACE "[\n\r]" "" ${_definition} ${definition})
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ENDIF(PKGCONFIG_EXECUTABLE)
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ENDMACRO(PKGCONFIG_DEFINITION _package _pkgpath _definition)
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MARK_AS_ADVANCED(PKGCONFIG_EXECUTABLE)
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