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-rw-r--r--Modules/FindPNG.cmake1
1 files changed, 1 insertions, 0 deletions
diff --git a/Modules/FindPNG.cmake b/Modules/FindPNG.cmake
index 528a17f..897f2ee 100644
--- a/Modules/FindPNG.cmake
+++ b/Modules/FindPNG.cmake
@@ -6,6 +6,7 @@
# PNG_INCLUDE_DIR, where to find png.h, etc.
# PNG_LIBRARIES, the libraries to link against to use PNG.
# PNG_FOUND, If false, do try to use PNG.
+# PNG_DEFINITIONS - You should ADD_DEFINITONS(${PNG_DEFINITIONS}) before compiling code that includes png library files.
# also defined, but not for general use are
# PNG_LIBRARY, where to find the PNG library.