[60f838]: config / cmake / Modules / NewCMake / FindPNG.cmake  Maximize  Restore  History

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#
# Find the native PNG includes and library
#
# This module defines
# PNG_INCLUDE_DIR, where to find png.h, etc.
# PNG_LIBRARIES, the libraries to link against to use PNG.
# PNG_DEFINITIONS - You should ADD_DEFINITONS(${PNG_DEFINITIONS}) before compiling code that includes png library files.
# PNG_FOUND, If false, do not try to use PNG.
# also defined, but not for general use are
# PNG_LIBRARY, where to find the PNG library.
# None of the above will be defined unles zlib can be found.
# PNG depends on Zlib
INCLUDE( ${MODULE_PATH}/NewCMake/FindZLIB.cmake )
IF(ZLIB_FOUND)
FIND_PATH(PNG_PNG_INCLUDE_DIR png.h
/usr/local/include
/usr/include
)
FIND_LIBRARY(PNG_LIBRARY png
/usr/lib
/usr/local/lib
)
IF (PNG_LIBRARY)
IF (PNG_PNG_INCLUDE_DIR)
# png.h includes zlib.h. Sigh.
SET(PNG_INCLUDE_DIR ${PNG_PNG_INCLUDE_DIR} ${ZLIB_INCLUDE_DIR} )
SET(PNG_LIBRARIES ${PNG_LIBRARY} ${ZLIB_LIBRARY})
SET(PNG_FOUND "YES")
IF (CYGWIN)
IF(BUILD_SHARED_LIBS)
# No need to define PNG_USE_DLL here, because it's default for Cygwin.
ELSE(BUILD_SHARED_LIBS)
SET (PNG_DEFINITIONS -DPNG_STATIC)
ENDIF(BUILD_SHARED_LIBS)
ENDIF (CYGWIN)
ENDIF (PNG_PNG_INCLUDE_DIR)
ENDIF (PNG_LIBRARY)
ENDIF(ZLIB_FOUND)

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