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Diffstat (limited to 'src/external/libcares.m4')
-rw-r--r-- | src/external/libcares.m4 | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/external/libcares.m4 b/src/external/libcares.m4 new file mode 100644 index 000000000..657deac59 --- /dev/null +++ b/src/external/libcares.m4 @@ -0,0 +1,20 @@ +AC_SUBST(CARES_OBJ) +AC_SUBST(CARES_LIBS) +AC_SUBST(CARES_CFLAGS) + +AC_CHECK_HEADERS(ares.h, + [AC_CHECK_LIB([cares], [ares_init], [ CARES_LIBS="-lcares" ], [AC_MSG_ERROR([No usable c-ares library found])])], + [AC_MSG_ERROR([c-ares header files are not installed])] +) + +dnl Check if this particular version of c-ares supports the generic ares_free_data function +AC_CHECK_LIB([cares], + [ares_free_data], + [AC_DEFINE([HAVE_ARES_DATA], 1, [Does c-ares have ares_free_data()?]) + ], + [ + ares_data=1 + ] +) + +AM_CONDITIONAL(BUILD_ARES_DATA, test x$ares_data = x1) |