Stricter compatibility checking for GIF dependency

[William A. Hoffman]

At 02:26 PM 5/30/2006, Paulo Jorge Guedes wrote:
>Ok, thanks, I already commited a fix (CC'ed to this mailing list):
>
>if (GIF_INCLUDE_DIR AND GIF_LIBRARIES)
>+   set(CMAKE_REQUIRED_INCLUDES "${GIF_INCLUDE_DIR}" 
>+ "${CMAKE_REQUIRED_INCLUDES}")
>    CHECK_STRUCT_MEMBER(GifFileType UserData gif_lib.h GIF_FOUND)  endif (GIF_INCLUDE_DIR AND GIF_LIBRARIES)

Looks like the LIBRARY_PATH needs to be changed too:

(from the dashboard and the Mac build:
-- Looked for GIF libraries named gif;libgif;ungif;libungif;giflib.
-- Found no acceptable GIF library. This is fatal.
Could NOT find GIF


-Bill