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# - Try to find PNG
# Once done this will define
#
# PNG_FOUND - system has PNG
# PNG_INCLUDE_DIR - the PNG include directory
# PNG_LIBRARY - Link these to use OpenGL and GLU
# PNG_DEFINITIONS - Compiler switches required for using PNG
#
FIND_PATH(PNG_INCLUDE_DIR png.h
/usr/include
/usr/local/include
)
FIND_LIBRARY(PNG_LIBRARY NAMES png
PATHS
/usr/lib
/usr/local/lib
)
IF(PNG_INCLUDE_DIR AND PNG_LIBRARY)
SET(PNG_FOUND TRUE)
ENDIF(PNG_INCLUDE_DIR AND PNG_LIBRARY)
IF(PNG_FOUND)
IF(NOT PNG_FIND_QUIETLY)
MESSAGE(STATUS "Found PNG: ${PNG_LIBRARY}")
ENDIF(NOT PNG_FIND_QUIETLY)
ELSE(PNG_FOUND)
IF(PNG_FIND_REQUIRED)
MESSAGE(FATAL_ERROR "Could not find PNG")
ENDIF(PNG_FIND_REQUIRED)
ENDIF(PNG_FOUND)
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