Улучшена генерация файла pkg-config

CMLibPkgConfig.cmake

@@ -1,4 +1,14 @@
 function(generate_pkgconfig library_name)
-  configure_file(${CMLIB_MODULE_DIR}/pc/lib.pc.in ${CMAKE_BINARY_DIR}/${library_name}.pc)
-  install(FILES ${CMAKE_BINARY_DIR}/${library_name}.pc DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
+  set(options)
+  set(oneValueArgs COMPONENT INSTALL_LIBRARY)
+  set(multiValueArgs)
+
+  cmake_parse_arguments(_PKG "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
+
+  if(${_PKG_INSTALL_LIBRARY})
+    configure_file(${CMLIB_MODULE_DIR}/pc/lib.pc.in ${CMAKE_BINARY_DIR}/${library_name}.pc)
+  else()
+    configure_file(${CMLIB_MODULE_DIR}/pc/lib-header-only.pc.in ${CMAKE_BINARY_DIR}/${library_name}.pc)
+  endif()
+  install(FILES ${CMAKE_BINARY_DIR}/${library_name}.pc COMPONENT ${_PKG_COMPONENT} DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
 endfunction()

pc/lib-header-only.pc.in

@@ -0,0 +1,11 @@
+prefix=@CMAKE_INSTALL_PREFIX@
+exec_prefix=@CMAKE_INSTALL_PREFIX@
+includedir=@CMAKE_INSTALL_PREFIX@/@CMAKE_INSTALL_INCLUDEDIR@
+
+Name: @library_name@
+Description: @library_name@ library
+Version: @PROJECT_VERSION@
+
+Requires:
+Cflags: -I@CMAKE_INSTALL_PREFIX@/@CMAKE_INSTALL_INCLUDEDIR@
+