diff options
Diffstat (limited to 'cmake/modules/FindCARES.cmake')
| -rw-r--r-- | cmake/modules/FindCARES.cmake | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/cmake/modules/FindCARES.cmake b/cmake/modules/FindCARES.cmake index 11719a601a..2725a61d44 100644 --- a/cmake/modules/FindCARES.cmake +++ b/cmake/modules/FindCARES.cmake @@ -22,10 +22,20 @@ FIND_PATH(CARES_INCLUDE_DIR ares.h HINTS "${CARES_HINTS}/include" ) SET(CARES_NAMES cares libcares-2) FIND_LIBRARY(CARES_LIBRARY NAMES ${CARES_NAMES} HINTS "${CARES_HINTS}/lib" ) +# Try to retrieve version from header if found +if(CARES_INCLUDE_DIR) + set(_version_regex "^#define[ \t]+ARES_VERSION_STR[ \t]+\"([^\"]+)\".*") + file(STRINGS "${CARES_INCLUDE_DIR}/ares_version.h" CARES_VERSION REGEX "${_version_regex}") + string(REGEX REPLACE "${_version_regex}" "\\1" CARES_VERSION "${CARES_VERSION}") + unset(_version_regex) +endif() + # handle the QUIETLY and REQUIRED arguments and set CARES_FOUND to TRUE if # all listed variables are TRUE INCLUDE(FindPackageHandleStandardArgs) -FIND_PACKAGE_HANDLE_STANDARD_ARGS(CARES DEFAULT_MSG CARES_LIBRARY CARES_INCLUDE_DIR) +FIND_PACKAGE_HANDLE_STANDARD_ARGS(CARES + REQUIRED_VARS CARES_LIBRARY CARES_INCLUDE_DIR + VERSION_VAR CARES_VERSION) IF(CARES_FOUND) SET( CARES_LIBRARIES ${CARES_LIBRARY} ) |