src/cmake/FindCairo.cmake

   1 # from http://zi.fi/cmake/Modules/FindCairo.cmake
   2 # modified
   3
   4 # - Try to find Cairo
   5 # Once done, this will define
   6 #
   7 #  Cairo_FOUND - system has Cairo
   8 #  Cairo_INCLUDE_DIRS - the Cairo include directories
   9 #  Cairo_LIBRARIES - link these to use Cairo
  10
  11 include(LibFindMacros)
  12 include(CheckCSourceCompiles)
  13
  14 # Dependencies
  15 libfind_package(Cairo Freetype)
  16
  17 # Use pkg-config to get hints about paths
  18 libfind_pkg_check_modules(Cairo_PKGCONF cairo)
  19
  20 # Include dir
  21 find_path(Cairo_INCLUDE_DIR
  22   NAMES cairo.h
  23   PATHS ${Cairo_PKGCONF_INCLUDE_DIRS}
  24   PATH_SUFFIXES cairo
  25 )
  26
  27 # Finally the library itself
  28 find_library(Cairo_LIBRARY
  29   NAMES cairo
  30   PATHS ${Cairo_PKGCONF_LIBRARY_DIRS}
  31 )
  32
  33 # Set the include dir variables and the libraries and let libfind_process do the rest.
  34 # NOTE: Singular variables for this library, plural for libraries this this lib depends on.
  35 set(Cairo_PROCESS_INCLUDES Cairo_INCLUDE_DIR Freetype_INCLUDE_DIRS)
  36 set(Cairo_PROCESS_LIBS Cairo_LIBRARY Freetype_LIBRARIES)
  37 libfind_process(Cairo)
  38
  39 IF (Cairo_FOUND)
  40
  41 #### check if cairo works
  42
  43 SET(CMAKE_REQUIRED_FLAGS ${CAIRO_CFLAGS} ${CAIRO_CFLAGS_OTHERS})
  44 SET(CMAKE_REQUIRED_INCLUDES ${Cairo_INCLUDE_DIRS})
  45 SET(CMAKE_REQUIRED_LIBRARIES ${Cairo_LIBRARIES})
  46 #SET(CMAKE_REQUIRED_LIBDIRS ${CAIRO_LIBRARY_DIRS})
  47
  48
  49 CHECK_C_SOURCE_COMPILES(  "#include <cairo.h>
  50    void main() {
  51     cairo_surface_t *surface;
  52     surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 120, 120);
  53    }" _cairo_works)
  54
  55 IF(_cairo_works)
  56   MESSAGE(STATUS "Cairo works")
  57 ELSE(_cairo_works)
  58   MESSAGE(WARNING "Cairo is not working properly: disabling")
  59   SET(Cairo_FOUND NO)
  60 ENDIF(_cairo_works)
  61
  62 ENDIF (Cairo_FOUND)