Merge pull request #533 from kmilos/patch-1

CMake: reuse existing pc template

Author: mm2

cmake/Lcms2Packaging.cmake

@@ -90,38 +90,52 @@ function(lcms2_setup_packaging)
   )
 
   # pkg-config generation (mirrors lcms2.pc.in semantics).
-  set(LCMS2_PC_LIBS_PLUGINS "")
+  set(LIB_PLUGINS "")
   if(DEFINED LCMS2_PLUGIN_TARGETS)
     foreach(_t IN LISTS LCMS2_PLUGIN_TARGETS)
       if(TARGET ${_t})
         get_target_property(_out_name ${_t} OUTPUT_NAME)
         if(NOT _out_name)
           set(_out_name "${_t}")
         endif()
-        set(LCMS2_PC_LIBS_PLUGINS "${LCMS2_PC_LIBS_PLUGINS} -l${_out_name}")
+        set(LIB_PLUGINS "${LIB_PLUGINS} -l${_out_name}")
       endif()
     endforeach()
-    string(STRIP "${LCMS2_PC_LIBS_PLUGINS}" LCMS2_PC_LIBS_PLUGINS)
+    string(STRIP "${LIB_PLUGINS}" LIB_PLUGINS)
   endif()
 
-  set(LCMS2_PC_LIBS_PRIVATE "")
+  set(LIB_MATH "")
+  set(LIB_THREAD "")
   if(NOT WIN32)
     find_library(_lcms2_math_lib m)
     if(_lcms2_math_lib)
-      set(LCMS2_PC_LIBS_PRIVATE "${LCMS2_PC_LIBS_PRIVATE} -lm")
+      set(LIB_MATH "-lm")
     endif()
 
     if(LCMS2_WITH_THREADS)
       find_package(Threads)
       if(CMAKE_THREAD_LIBS_INIT)
-        set(LCMS2_PC_LIBS_PRIVATE "${LCMS2_PC_LIBS_PRIVATE} ${CMAKE_THREAD_LIBS_INIT}")
+        set(LIB_THREAD "${CMAKE_THREAD_LIBS_INIT}")
       endif()
     endif()
   endif()
-  string(STRIP "${LCMS2_PC_LIBS_PRIVATE}" LCMS2_PC_LIBS_PRIVATE)
 
+  set(prefix "${CMAKE_INSTALL_PREFIX}")
+  set(exec_prefix "\${prefix}")
+  if(IS_ABSOLUTE "${CMAKE_INSTALL_LIBDIR}")
+    set(libdir "${CMAKE_INSTALL_LIBDIR}")
+  else()
+    set(libdir "\${exec_prefix}/${CMAKE_INSTALL_LIBDIR}")
+  endif()
+  if(IS_ABSOLUTE "${CMAKE_INSTALL_INCLUDEDIR}")
+    set(includedir "${CMAKE_INSTALL_INCLUDEDIR}")
+  else()
+    set(includedir "\${prefix}/${CMAKE_INSTALL_INCLUDEDIR}")
+  endif()
+  set(PACKAGE "${PROJECT_NAME}")
+  set(VERSION "${PROJECT_VERSION}")
   configure_file(
-    "${PROJECT_SOURCE_DIR}/cmake/lcms2.pc.in"
+    "${PROJECT_SOURCE_DIR}/lcms2.pc.in"
     "${PROJECT_BINARY_DIR}/lcms2.pc"
     @ONLY
   )