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# - Try to find libcares
# Once done this will define
# LIBCARES_FOUND - System has libcares
# LIBCARES_INCLUDE_DIRS - The libcares include directories
# LIBCARES_LIBRARIES - The libraries needed to use libcares
find_package(PkgConfig QUIET)
pkg_check_modules(PC_LIBCARES QUIET libcares)
find_path(LIBCARES_INCLUDE_DIR
NAMES ares.h
HINTS ${PC_LIBCARES_INCLUDE_DIRS}
)
find_library(LIBCARES_LIBRARY
NAMES cares
HINTS ${PC_LIBCARES_LIBRARY_DIRS}
)
if(LIBCARES_INCLUDE_DIR)
file(READ "${LIBCARES_INCLUDE_DIR}/ares_version.h" _ares_version_h)
string(REGEX REPLACE ".*#define[ \t]+ARES_VERSION_MAJOR[ \t]+([0-9]+).*" "\\1"
_ares_version_major ${_ares_version_h})
string(REGEX REPLACE ".*#define[ \t]+ARES_VERSION_MINOR[ \t]+([0-9]+).*" "\\1"
_ares_version_minor ${_ares_version_h})
string(REGEX REPLACE ".*#define[ \t]+ARES_VERSION_PATCH[ \t]+([0-9]+).*" "\\1"
_ares_version_patch ${_ares_version_h})
set(LIBCARES_VERSION "${_ares_version_major}.${_ares_version_minor}.${_ares_version_patch}")
unset(_ares_version_patch)
unset(_ares_version_minor)
unset(_ares_version_major)
unset(_ares_version_h)
endif()
include(FindPackageHandleStandardArgs)
# handle the QUIETLY and REQUIRED arguments and set LIBCARES_FOUND to TRUE
# if all listed variables are TRUE and the requested version matches.
find_package_handle_standard_args(Libcares REQUIRED_VARS
LIBCARES_LIBRARY LIBCARES_INCLUDE_DIR
VERSION_VAR LIBCARES_VERSION)
if(LIBCARES_FOUND)
set(LIBCARES_LIBRARIES ${LIBCARES_LIBRARY})
set(LIBCARES_INCLUDE_DIRS ${LIBCARES_INCLUDE_DIR})
endif()
mark_as_advanced(LIBCARES_INCLUDE_DIR LIBCARES_LIBRARY)
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