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# - Find the native UNGIF includes and library
#
# This module defines
# UNGIF_INCLUDE_DIR, where to find gif.h, etc.
# UNGIF_LIBRARIES, the libraries to link against to use UNGIF.
# UNGIF_DEFINITIONS - You should ADD_DEFINITONS(${UNGIF_DEFINITIONS}) before compiling code that includes ungif library files.
# UNGIF_FOUND, If false, do not try to use UNGIF.
# also defined, but not for general use are
# UNGIF_LIBRARY, where to find the UNGIF library.
# None of the above will be defined unles zlib can be found.
# UNGIF depends on Zlib
INCLUDE(FindZLIB)
SET(UNGIF_FOUND "NO")
IF(ZLIB_FOUND)
FIND_PATH(UNGIF_UNGIF_INCLUDE_DIR gif_lib.h
${MY_EXTRA_INCLUDE_DIR}
/usr/local/include
/usr/include
)
SET(UNGIF_NAMES ${UNGIF_NAMES} ungif libungif)
FIND_LIBRARY(UNGIF_LIBRARY
NAMES ${UNGIF_NAMES}
PATHS ${MY_EXTRA_LIB_DIR} /usr/lib /usr/local/lib
)
IF (UNGIF_LIBRARY AND UNGIF_UNGIF_INCLUDE_DIR)
# gif.h includes zlib.h. Sigh.
SET(UNGIF_INCLUDE_DIR ${UNGIF_UNGIF_INCLUDE_DIR} ${ZLIB_INCLUDE_DIR} )
SET(UNGIF_LIBRARIES ${UNGIF_LIBRARY} ${ZLIB_LIBRARY})
SET(UNGIF_FOUND "YES")
IF (CYGWIN)
IF(BUILD_SHARED_LIBS)
# No need to define UNGIF_USE_DLL here, because it's default for Cygwin.
ELSE(BUILD_SHARED_LIBS)
SET (UNGIF_DEFINITIONS -DPNG_STATIC)
ENDIF(BUILD_SHARED_LIBS)
ENDIF (CYGWIN)
ENDIF (UNGIF_LIBRARY AND UNGIF_UNGIF_INCLUDE_DIR)
ENDIF(ZLIB_FOUND)
IF (UNGIF_FOUND)
IF (NOT UNGIF_FIND_QUIETLY)
MESSAGE(STATUS "Found UNGIF: ${UNGIF_LIBRARY}")
ENDIF (NOT UNGIF_FIND_QUIETLY)
ELSE (UNGIF_FOUND)
IF (UNGIF_FIND_REQUIRED)
MESSAGE(FATAL_ERROR "Could not find UNGIF library")
ENDIF (UNGIF_FIND_REQUIRED)
ENDIF (UNGIF_FOUND)
MARK_AS_ADVANCED(UNGIF_UNGIF_INCLUDE_DIR UNGIF_LIBRARY )
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