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IF (DEFINED CACHED_ZLIB)
# in cache already
IF ("${CACHED_ZLIB}" STREQUAL "YES")
SET(ZLIB_FOUND TRUE)
ENDIF ("${CACHED_ZLIB}" STREQUAL "YES")
ELSE (DEFINED CACHED_ZLIB)
FIND_PATH(ZLIB_INCLUDE_DIR zlib.h
/usr/include
/usr/local/include
)
FIND_LIBRARY(ZLIB_LIBRARY NAMES z zlib
PATHS
/usr/lib
/usr/local/lib
)
IF (ZLIB_INCLUDE_DIR)
SET(ZLIB_FOUND TRUE)
SET(CACHED_ZLIB "YES")
ELSE (ZLIB_INCLUDE_DIR)
SET(CACHED_ZLIB "NO")
ENDIF (ZLIB_INCLUDE_DIR)
IF (ZLIB_FOUND)
IF (NOT ZLIB_FIND_QUIETLY)
MESSAGE(STATUS "Found Z: ${ZLIB_LIBRARY}")
ENDIF (NOT ZLIB_FIND_QUIETLY)
ELSE (ZLIB_FOUND)
IF (ZLIB_FIND_REQUIRED)
MESSAGE(FATAL_ERROR "Could not find z library")
ENDIF (ZLIB_FIND_REQUIRED)
ENDIF (ZLIB_FOUND)
SET(CACHED_ZLIB ${CACHED_ZLIB} CACHE INTERNAL "If zlib was checked")
MARK_AS_ADVANCED(ZLIB_LIBRARY ZLIB_INCLUDE_DIR)
ENDIF (DEFINED CACHED_ZLIB)
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