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# - Try to find ZLIB
# Once done this will define
#
# ZLIB_FOUND - system has ZLIB
# ZLIB_INCLUDE_DIRS - the ZLIB include directory
# ZLIB_LIBRARIES - Link these to use ZLIB
# ZLIB_DEFINITIONS - Compiler switches required for using ZLIB
#
# Copyright (c) 2009 Andreas Schneider <mail@cynapses.org>
#
# Redistribution and use is allowed according to the terms of the New
# BSD license.
# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
#
if (ZLIB_LIBRARIES AND ZLIB_INCLUDE_DIRS)
# in cache already
set(ZLIB_FOUND TRUE)
else (ZLIB_LIBRARIES AND ZLIB_INCLUDE_DIRS)
find_path(ZLIB_INCLUDE_DIR
NAMES
zlib.h
PATHS
${_ZLIB_DIR}/include
/usr/include
/usr/local/include
/opt/local/include
/sw/include
)
mark_as_advanced(ZLIB_INCLUDE_DIR)
find_library(Z_LIBRARY
NAMES
z
zlib
zlib1
PATHS
${_ZLIB_DIR}/lib
/usr/lib
/usr/local/lib
/opt/local/lib
/sw/lib
)
mark_as_advanced(Z_LIBRARY)
if (Z_LIBRARY)
set(Z_FOUND TRUE)
endif (Z_LIBRARY)
set(ZLIB_INCLUDE_DIRS
${ZLIB_INCLUDE_DIR}
)
if (Z_FOUND)
set(ZLIB_LIBRARIES
${ZLIB_LIBRARIES}
${Z_LIBRARY}
)
endif (Z_FOUND)
if (ZLIB_INCLUDE_DIRS AND ZLIB_LIBRARIES)
set(ZLIB_FOUND TRUE)
endif (ZLIB_INCLUDE_DIRS AND ZLIB_LIBRARIES)
if (ZLIB_FOUND)
if (NOT ZLIB_FIND_QUIETLY)
message(STATUS "Found ZLIB: ${ZLIB_LIBRARIES}")
endif (NOT ZLIB_FIND_QUIETLY)
else (ZLIB_FOUND)
if (ZLIB_FIND_REQUIRED)
message(FATAL_ERROR "Could not find ZLIB")
endif (ZLIB_FIND_REQUIRED)
endif (ZLIB_FOUND)
# show the ZLIB_INCLUDE_DIRS and ZLIB_LIBRARIES variables only in the advanced view
mark_as_advanced(ZLIB_INCLUDE_DIRS ZLIB_LIBRARIES)
endif (ZLIB_LIBRARIES AND ZLIB_INCLUDE_DIRS)
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