+ PHP_CHECK_LIBRARY($PHP_ARES_LIB, ares_set_local_ip4,
+ [AC_DEFINE([HAVE_ARES_SET_LOCAL_IP4], [1], [ ])], [ ],
+ [$PHP_ARES_LIBADD -L$PHP_ARES_DIR/$PHP_LIBDIR]
+ )
+ PHP_CHECK_LIBRARY($PHP_ARES_LIB, ares_set_local_ip6,
+ [AC_DEFINE([HAVE_ARES_SET_LOCAL_IP6], [1], [ ])], [ ],
+ [$PHP_ARES_LIBADD -L$PHP_ARES_DIR/$PHP_LIBDIR]
+ )
+
+ dnl ##########
+ dnl check new c-ares callback API
+ dnl ##########
+ save_LIBS=$LIBS
+ save_CFLAGS=$CFLAGS
+ LIBS="-L$PHP_ARES_DIR/$PHP_LIBDIR -l$PHP_ARES_LIB $PHP_ARES_LIBADD"
+ CFLAGS="-I$PHP_ARES_DIR/include -Werror"
+
+ AC_MSG_CHECKING(for new c-ares callback API)
+ AC_TRY_COMPILE(
+ [#include <ares.h>
+ ], [
+ ares_search(0, 0, 0, 0, (void (*)(void *, int, int, unsigned char *, int)) 0, 0);
+ ], [
+ AC_MSG_RESULT(yes)
+ AC_DEFINE([PHP_ARES_NEW_CALLBACK_API], [1], [ ])
+ ], [
+ AC_MSG_RESULT(no)
+ AC_DEFINE([PHP_ARES_NEW_CALLBACK_API], [0], [ ])
+ ]
+ )
+
+ LIBS=$save_LIBS
+ CFLAGS=$save_CFLAGS
+
+ AC_CHECK_HEADERS([netdb.h unistd.h arpa/inet.h arpa/nameser.h arpa/nameser_compat.h])