cmake/FindGtkGLExt.cmake

   1 find_package(PkgConfig)
   2 if (PKG_CONFIG_FOUND)
   3     if (GtkGLExt_FIND_REQUIRED)
   4         set(_pkgconfig_REQUIRED REQUIRED)
   5     endif ()
   6     if (APPLE)
   7         # libffi is provided by base system so brew does not take the risk to override it
   8         # hence then need for an explicit look-up
   9         set(ENV{PKG_CONFIG_PATH} "$ENV{PKG_CONFIG_PATH}:/usr/local/opt/libffi/lib/pkgconfig")
  10         pkg_check_modules(GtkGLExt ${_pkgconfig_REQUIRED} gtkglext-1.0 gtkglext-quartz-1.0)
  11     elseif (XWINDOWS)
  12         pkg_check_modules(GtkGLExt ${_pkgconfig_REQUIRED} gtkglext-x11-1.0)
  13     elseif (WIN32)
  14         pkg_check_modules(GtkGLExt ${_pkgconfig_REQUIRED} gtkglext-win32-1.0)
  15     endif ()
  16 else ()
  17     find_path(GtkGLExt_INCLUDE_DIRS gtkglwidget.h)
  18     # find_library(GtkGLExt_LIBRARIES)
  19     if (GtkGLExt_INCLUDE_DIRS AND GtkGLExt_LIBRARIES)
  20         set(GtkGLExt_FOUND 1)
  21         if (NOT GtkGLExt_FIND_QUIETLY)
  22             message(STATUS "Found GtkGLExt: ${GtkGLExt_LIBRARIES}")
  23         endif ()
  24     elseif (GtkGLExt_FIND_REQUIRED)
  25         message(SEND_ERROR "Could not find GtkGLExt")
  26     elseif (NOT GtkGLExt_FIND_QUIETLY)
  27         message(STATUS "Could not find GtkGLExt")
  28     endif ()
  29 endif ()
  30 mark_as_advanced(GtkGLExt_INCLUDE_DIRS GtkGLExt_LIBRARIES)