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111 lines
3.7 KiB
CMake
111 lines
3.7 KiB
CMake
# pkg-config file generation
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#
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# Uses the following globals:
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# - PKG_BUILD_PREFIX: the build location (aka prefix). Defaults to CMAKE_INSTALL_PREFIX
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# - PKG_BUILD_LIBDIR: the libdir location. Defaults to ${prefix}/lib.
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# - PKG_BUILD_INCLUDEDIR: the includedir location. Defaults to ${prefix}/include.
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#
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function(pkg_build_config)
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set(options)
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set(oneValueArgs NAME DESCRIPTION VERSION FILENAME LIBS_SELF)
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set(multiValueArgs LIBS PRIVATE_LIBS REQUIRES CFLAGS)
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cmake_parse_arguments(PKGCONFIG "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
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if (NOT DEFINED PKGCONFIG_FILENAME AND DEFINED PKGCONFIG_NAME)
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set(PKGCONFIG_FILENAME ${PKGCONFIG_NAME})
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endif()
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if (NOT DEFINED PKGCONFIG_FILENAME)
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message(FATAL_ERROR "Missing FILENAME argument")
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endif()
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set(PKGCONFIG_FILE "${PROJECT_BINARY_DIR}/${PKGCONFIG_FILENAME}.pc")
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if (NOT DEFINED PKGCONFIG_DESCRIPTION)
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message(FATAL_ERROR "Missing DESCRIPTION argument")
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endif()
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if (NOT DEFINED PKGCONFIG_VERSION)
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message(FATAL_ERROR "Missing VERSION argument")
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endif()
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if (DEFINED PKG_BUILD_PREFIX)
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set(PKGCONFIG_PREFIX "${PKG_BUILD_PREFIX}")
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else()
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set(PKGCONFIG_PREFIX "${CMAKE_INSTALL_PREFIX}")
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endif()
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if(DEFINED PKG_BUILD_LIBDIR)
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if (IS_ABSOLUTE ${PKG_BUILD_LIBDIR})
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set(PKGCONFIG_LIBDIR ${PKG_BUILD_LIBDIR})
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else()
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set(PKGCONFIG_LIBDIR "\${prefix}/${PKG_BUILD_LIBDIR}")
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endif()
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else()
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set(PKGCONFIG_LIBDIR "\${prefix}/lib")
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endif()
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if(DEFINED PKG_BUILD_INCLUDEDIR)
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if (IS_ABSOLUTE ${PKG_BUILD_INCLUDEDIR})
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set(PKGCONFIG_INCLUDEDIR ${PKG_BUILD_INCLUDEDIR})
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else()
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set(PKGCONFIG_INCLUDEDIR "\${prefix}/${PKG_BUILD_INCLUDEDIR}")
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endif()
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else()
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set(PKGCONFIG_INCLUDEDIR "\${prefix}/include")
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endif()
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# Write .pc "header"
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file(WRITE "${PKGCONFIG_FILE}"
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"prefix=\"${PKGCONFIG_PREFIX}\"\n"
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"libdir=\"${PKGCONFIG_LIBDIR}\"\n"
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"includedir=\"${PKGCONFIG_INCLUDEDIR}\"\n"
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"\n"
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"Name: ${PKGCONFIG_NAME}\n"
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"Description: ${PKGCONFIG_DESCRIPTION}\n"
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"Version: ${PKGCONFIG_VERSION}\n"
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)
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# Prepare Libs
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if(NOT DEFINED PKGCONFIG_LIBS_SELF)
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set(PKGCONFIG_LIBS_SELF "${PKGCONFIG_FILE}")
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endif()
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if(NOT DEFINED PKGCONFIG_LIBS)
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set(PKGCONFIG_LIBS "-l${PKGCONFIG_LIBS_SELF}")
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else()
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list(INSERT PKGCONFIG_LIBS 0 "-l${PKGCONFIG_LIBS_SELF}")
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endif()
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list(REMOVE_DUPLICATES PKGCONFIG_LIBS)
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string(REPLACE ";" " " PKGCONFIG_LIBS "${PKGCONFIG_LIBS}")
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file(APPEND "${PKGCONFIG_FILE}" "Libs: -L\${libdir} ${PKGCONFIG_LIBS}\n")
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# Prepare Libs.private
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if(DEFINED PKGCONFIG_PRIVATE_LIBS)
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list(REMOVE_DUPLICATES PKGCONFIG_PRIVATE_LIBS)
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string(REPLACE ";" " " PKGCONFIG_PRIVATE_LIBS "${PKGCONFIG_PRIVATE_LIBS}")
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file(APPEND "${PKGCONFIG_FILE}" "Libs.private: ${PKGCONFIG_PRIVATE_LIBS}\n")
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endif()
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# Prepare Requires.private
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if(DEFINED PKGCONFIG_REQUIRES)
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list(REMOVE_DUPLICATES PKGCONFIG_REQUIRES)
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string(REPLACE ";" " " PKGCONFIG_REQUIRES "${PKGCONFIG_REQUIRES}")
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file(APPEND "${PKGCONFIG_FILE}" "Requires.private: ${PKGCONFIG_REQUIRES}\n")
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endif()
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# Prepare Cflags
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if(DEFINED PKGCONFIG_CFLAGS)
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string(REPLACE ";" " " PKGCONFIG_CFLAGS "${PKGCONFIG_CFLAGS}")
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else()
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set(PKGCONFIG_CFLAGS "")
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endif()
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file(APPEND "${PKGCONFIG_FILE}" "Cflags: -I\${includedir} ${PKGCONFIG_CFLAGS}\n")
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# Install .pc file
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install(FILES "${PKGCONFIG_FILE}"
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DESTINATION "${PKGCONFIG_PREFIX}/${PKGCONFIG_LIBDIR}/pkgconfig"
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)
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endfunction()
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