cmake/Modules/PkgBuildConfig.cmake

   1 # pkg-config file generation
   2 #
   3
   4 function(pkg_build_config)
   5     set(options)
   6     set(oneValueArgs NAME DESCRIPTION VERSION FILENAME LIBS_SELF)
   7     set(multiValueArgs LIBS PRIVATE_LIBS REQUIRES CFLAGS)
   8
   9     cmake_parse_arguments(PKGCONFIG "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
  10
  11     if (NOT DEFINED PKGCONFIG_FILENAME AND DEFINED PKGCONFIG_NAME)
  12         set(PKGCONFIG_FILENAME ${PKGCONFIG_NAME})
  13     endif()
  14     if (NOT DEFINED PKGCONFIG_FILENAME)
  15         message(FATAL_ERROR "Missing FILENAME argument")
  16     endif()
  17     set(PKGCONFIG_FILE "${PROJECT_BINARY_DIR}/${PKGCONFIG_FILENAME}.pc")
  18
  19     if (NOT DEFINED PKGCONFIG_DESCRIPTION)
  20         message(FATAL_ERROR "Missing DESCRIPTION argument")
  21     endif()
  22
  23     if (NOT DEFINED PKGCONFIG_VERSION)
  24         message(FATAL_ERROR "Missing VERSION argument")
  25     endif()
  26
  27     # Write .pc "header"
  28     file(WRITE "${PKGCONFIG_FILE}"
  29         "prefix=\"${CMAKE_INSTALL_PREFIX}\"\n"
  30         "libdir=\"${CMAKE_INSTALL_FULL_LIBDIR}\"\n"
  31         "includedir=\"${CMAKE_INSTALL_FULL_INCLUDEDIR}\"\n"
  32         "\n"
  33         "Name: ${PKGCONFIG_NAME}\n"
  34         "Description: ${PKGCONFIG_DESCRIPTION}\n"
  35         "Version: ${PKGCONFIG_VERSION}\n"
  36     )
  37
  38     # Prepare Libs
  39     if(NOT DEFINED PKGCONFIG_LIBS_SELF)
  40         set(PKGCONFIG_LIBS_SELF "${PKGCONFIG_FILE}")
  41     endif()
  42
  43     if(NOT DEFINED PKGCONFIG_LIBS)
  44         set(PKGCONFIG_LIBS "-l${PKGCONFIG_LIBS_SELF}")
  45     else()
  46         list(INSERT PKGCONFIG_LIBS 0 "-l${PKGCONFIG_LIBS_SELF}")
  47     endif()
  48
  49     list(REMOVE_DUPLICATES PKGCONFIG_LIBS)
  50     string(REPLACE ";" " " PKGCONFIG_LIBS "${PKGCONFIG_LIBS}")
  51     file(APPEND "${PKGCONFIG_FILE}" "Libs: -L\${libdir} ${PKGCONFIG_LIBS}\n")
  52
  53     # Prepare Libs.private
  54     if(DEFINED PKGCONFIG_PRIVATE_LIBS)
  55         list(REMOVE_DUPLICATES PKGCONFIG_PRIVATE_LIBS)
  56         string(REPLACE ";" " " PKGCONFIG_PRIVATE_LIBS "${PKGCONFIG_PRIVATE_LIBS}")
  57         file(APPEND "${PKGCONFIG_FILE}" "Libs.private: ${PKGCONFIG_PRIVATE_LIBS}\n")
  58     endif()
  59
  60     # Prepare Requires.private
  61     if(DEFINED PKGCONFIG_REQUIRES)
  62         list(REMOVE_DUPLICATES PKGCONFIG_REQUIRES)
  63         string(REPLACE ";" " " PKGCONFIG_REQUIRES "${PKGCONFIG_REQUIRES}")
  64         file(APPEND "${PKGCONFIG_FILE}" "Requires.private: ${PKGCONFIG_REQUIRES}\n")
  65     endif()
  66
  67     # Prepare Cflags
  68     if(DEFINED PKGCONFIG_CFLAGS)
  69         string(REPLACE ";" " " PKGCONFIG_CFLAGS "${PKGCONFIG_CFLAGS}")
  70     else()
  71         set(PKGCONFIG_CFLAGS "")
  72     endif()
  73     file(APPEND "${PKGCONFIG_FILE}" "Cflags: -I\${includedir} ${PKGCONFIG_CFLAGS}\n")
  74
  75     # Install .pc file
  76     install(FILES "${PKGCONFIG_FILE}" DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
  77 endfunction()