diff options
| author | Guy Harris <guy@alum.mit.edu> | 2017-07-21 03:11:14 -0700 |
|---|---|---|
| committer | Michael Mann <mmann78@netscape.net> | 2017-07-21 12:39:26 +0000 |
| commit | 9ea364c389fc92bcd8efc800c9b8e852958c169a (patch) | |
| tree | c392b77e9ad3f84dfd438f28089b68dce2dd22c2 /cmake | |
| parent | 725b7ef17598076911da9c68efbf8c0efd593191 (diff) | |
Require at least c-ares 1.5.0 when configuring.
That way, if you have an older version, we fail at configure time, with
what should be a message indicating that your c-ares is too old, rather
than at compile time, with what might provoke users to ask "what am I
doing wrong?" or "what do I need to fix?" or "why is my compile
failing?" or....
Change-Id: I911574c4d90174b6bd074c5ef537557d47b199dc
Reviewed-on: https://code.wireshark.org/review/22752
Petri-Dish: Guy Harris <guy@alum.mit.edu>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Michael Mann <mmann78@netscape.net>
Diffstat (limited to '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} ) |