ceph/cmake/modules/Findc-ares.cmake
Kefu Chai 4e61f2286d cmake: build c-ares if it's not found or not new enough
Signed-off-by: Kefu Chai <kchai@redhat.com>
2018-07-25 13:13:45 +08:00

32 lines
759 B
CMake

find_package(PkgConfig)
pkg_search_module(PC_cares
libcares)
find_path(c-ares_INCLUDE_DIR
NAMES ares_dns.h
PATHS ${PC_cares_INCLUDE_DIRS})
find_library(c-ares_LIBRARY
NAMES cares
PATHS ${PC_cares_LIBRARY_DIRS})
set(c-ares_VERSION ${PC_cares_VERSION})
include (FindPackageHandleStandardArgs)
find_package_handle_standard_args(c-ares
FOUND_VAR c-ares_FOUND
REQUIRED_VARS
c-ares_INCLUDE_DIR
c-ares_LIBRARY
VERSION_VAR c-ares_VERSION)
if(c-ares_FOUND AND NOT (TARGET c-ares::c-ares))
add_library(c-ares::c-ares UNKNOWN IMPORTED)
set_target_properties(c-ares::c-ares PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES "${c-ares_INCLUDE_DIR}"
IMPORTED_LINK_INTERFACE_LANGUAGES "C"
IMPORTED_LOCATION "${c-ares_LIBRARY}")
endif()