[cmake] fix Texturepacker giflib detection with giflib <= 4

FernetMenta · Sep 17, 2015 · a44b27d · a44b27d
1 parent aee8a01
commit a44b27d
Showing 1 changed file with 7 additions and 3 deletions.
diff --git a/tools/depends/native/TexturePacker/CMakeLists.txt b/tools/depends/native/TexturePacker/CMakeLists.txt
@@ -25,9 +25,13 @@ if(GIF_VERSION LESS 4)
 else()
   file(STRINGS ${GIF_INCLUDE_DIR}/gif_lib.h GIFSTRINGS)
   string(REGEX MATCH "GIFLIB_MAJOR ([0-9])" GIFLIB_MAJOR ${GIFSTRINGS})
-  separate_arguments(GIFLIB_MAJOR)
-  list(GET GIFLIB_MAJOR 1 GIFLIB_MAJOR)
-  if(GIFLIB_MAJOR LESS 5)
+  if(GIFLIB_MAJOR)
+    separate_arguments(GIFLIB_MAJOR)
+    list(GET GIFLIB_MAJOR 1 GIFLIB_MAJOR)
+  else()
+    set(GIFLIB_MAJOR ${GIF_VERSION})
+  endif()
+  if(NOT GIFLIB_MAJOR OR GIFLIB_MAJOR LESS 5)
     message(WARNING "giflib${GIFLIB_MAJOR} support is experimental. Consider updating to giflib5")
   endif()
 endif()