configure: add test for whether required IPv6 helpers
Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/configure b/configure
index 2dda142..6baa579 100755
--- a/configure
+++ b/configure
@@ -1091,6 +1091,31 @@
fi
echo "pwritev/preadv $pwritev"
+##########################################
+# Check whether we have the required functions for ipv6
+ipv6="no"
+cat > $TMPC << EOF
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netdb.h>
+#include <stdio.h>
+int main(int argc, char **argv)
+{
+ struct addrinfo hints;
+ struct in6_addr addr;
+ int ret;
+
+ ret = getaddrinfo(NULL, NULL, &hints, NULL);
+ freeaddrinfo(NULL);
+ printf("%s\n", gai_strerror(ret));
+ addr = in6addr_any;
+ return 0;
+}
+EOF
+if compile_prog "" "" "ipv6"; then
+ ipv6="yes"
+fi
+echo "IPv6 helpers $ipv6"
#############################################################################
@@ -1210,6 +1235,9 @@
if test "$pwritev" = "yes" ; then
output_sym "CONFIG_PWRITEV"
fi
+if test "$ipv6" = "yes" ; then
+ output_sym "CONFIG_IPV6"
+fi
echo "LIBS+=$LIBS" >> $config_host_mak
echo "CFLAGS+=$CFLAGS" >> $config_host_mak