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#
# This module detects if zlib is installed and determines where the
# include files and libraries are.
#
# This code sets the following variables:
#
# ZLIB_LIBRARIES = full path to the zlib libraries
# ZLIB_INCLUDE_DIR = include dir to be used when using the glib2 library
# ZLIB_FOUND = set to true if zlib was found successfully
#
# ZLIB_LOCATION
# setting this enables search for zlib libraries / headers in this location
find_package (PkgConfig)
pkg_check_modules(ZLIB_PKG zlib)
if (ZLIB_PKG_FOUND)
set (ZLIB_LIBRARIES ${ZLIB_PKG_LIBRARIES})
set (ZLIB_INCLUDE_DIRS ${ZLIB_PKG_INCLUDE_DIRS})
if (NOT ZLIB_INCLUDE_DIRS)
set (ZLIB_INCLUDE_DIRS "/usr/include")
endif (NOT ZLIB_INCLUDE_DIRS)
set (ZLIB_DEFINITIONS "${ZLIB_PKG_CFLAGS} ${ZLIB_PKG_CFLAGS_OTHER}")
else (ZLIB_PKG_FOUND)
find_library(ZLIB_LIBRARIES
NAMES zlib
HINTS ${ZLIB_LOCATION}
${CMAKE_INSTALL_PREFIX}/zlib/*/${PLATFORM}/
DOC "The main glib2 library"
)
find_path(ZLIB_INCLUDE_DIRS
NAMES zlib.h
HINTS ${ZLIB_LOCATION}/include/*
${CMAKE_INSTALL_PREFIX}/zlib/*/${PLATFORM}/
DOC "The glib2 include directory"
)
set (ZLIB_DEFINITIONS "")
endif (ZLIB_PKG_FOUND)
if (ZLIB_LIBRARIES)
message (STATUS "ZLIB libraries: ${ZLIB_LIBRARIES}")
endif (ZLIB_LIBRARIES)
if (ZLIB_INCLUDE_DIRS)
message (STATUS "ZLIB include dir: ${ZLIB_INCLUDE_DIRS}")
endif (ZLIB_INCLUDE_DIRS)
# -----------------------------------------------------
# handle the QUIETLY and REQUIRED arguments and set ZLIB_FOUND to TRUE if
# all listed variables are TRUE
# -----------------------------------------------------
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args (ZLIB DEFAULT_MSG
ZLIB_LIBRARIES ZLIB_INCLUDE_DIRS
)
mark_as_advanced(ZLIB_INCLUDE_DIRS ZLIB_LIBRARIES)
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