netradiant: strip 16-bit png to 8-bit, fix #153

[xonotic/netradiant.git] / cmake / FindGLIB.cmake

diff --git a/cmake/FindGLIB.cmake b/cmake/FindGLIB.cmake
index 8e231e9cf6f5f114e87966eb9c5b7a9dbc251ce6..e1e09e35575e5f55920d5224320a4d2e68cb57c6 100644 (file)
--- a/cmake/FindGLIB.cmake
+++ b/cmake/FindGLIB.cmake
@@ -1,5 +1,29 @@
-include(FindPkgConfig OPTIONAL)
+find_package(PkgConfig)
 if (PKG_CONFIG_FOUND)
-    include(FindPkgConfig)
-    pkg_check_modules(GLIB glib-2.0)
+    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")
+    endif ()
+    if (GLIB_FIND_REQUIRED)
+        set(_pkgconfig_REQUIRED REQUIRED)
+    endif ()
+    pkg_check_modules(GLIB ${_pkgconfig_REQUIRED} glib-2.0)
+    if (GLIB_LINK_LIBRARIES)
+        set(GLIB_LIBRARIES ${GLIB_LINK_LIBRARIES}) # HACK
+    endif ()
+else ()
+    find_path(GLIB_INCLUDE_DIRS glib.h)
+    find_library(GLIB_LIBRARIES glib-2.0)
+    if (GLIB_INCLUDE_DIRS AND GLIB_LIBRARIES)
+        set(GLIB_FOUND 1)
+        if (NOT GLIB_FIND_QUIETLY)
+            message(STATUS "Found GLIB: ${GLIB_LIBRARIES}")
+        endif ()
+    elseif (GLIB_FIND_REQUIRED)
+        message(SEND_ERROR "Could not find GLIB")
+    elseif (NOT GLIB_FIND_QUIETLY)
+        message(STATUS "Could not find GLIB")
+    endif ()
 endif ()
+mark_as_advanced(GLIB_INCLUDE_DIRS GLIB_LIBRARIES)