find_package(PkgConfig)
+if (NOT BUILTIN_GTKGLEXT OR BUILTIN_GTKGLEXT_BUILT)
if (PKG_CONFIG_FOUND)
if (GtkGLExt_FIND_REQUIRED)
set(_pkgconfig_REQUIRED REQUIRED)
endif ()
if (APPLE)
- # libffi is provided by base system so brew does not take the risk to override it
- # hence then need for an explicit look-up
- set(ENV{PKG_CONFIG_PATH} "$ENV{PKG_CONFIG_PATH}:/usr/local/opt/libffi/lib/pkgconfig")
pkg_check_modules(GtkGLExt ${_pkgconfig_REQUIRED} gtkglext-1.0 gtkglext-quartz-1.0)
elseif (XWINDOWS)
pkg_check_modules(GtkGLExt ${_pkgconfig_REQUIRED} gtkglext-x11-1.0)
endif ()
endif ()
mark_as_advanced(GtkGLExt_INCLUDE_DIRS GtkGLExt_LIBRARIES)
+endif()