HAVE_GETOPT_LONG is never defined here and seems to be obsolete. Use
_GNU_SOURCE here as getopt_long is a GNU extension. This fixes long
options to work properly.
Signed-off-by: Stefan Schmidt <stefan@xxxxxxxxxxxxxxx>
---
wpan-ping/wpan-ping.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/wpan-ping/wpan-ping.c b/wpan-ping/wpan-ping.c
index 7b53373..9f01ae6 100644
--- a/wpan-ping/wpan-ping.c
+++ b/wpan-ping/wpan-ping.c
@@ -69,7 +69,7 @@ struct sockaddr_ieee802154 {
struct ieee802154_addr_sa addr;
};
-#ifdef HAVE_GETOPT_LONG
+#ifdef _GNU_SOURCE
static const struct option perf_long_opts[] = {
{ "daemon", no_argument, NULL, 'd' },
{ "address", required_argument, NULL, 'a' },
@@ -441,7 +441,7 @@ int main(int argc, char *argv[]) {
}
while (1) {
-#ifdef HAVE_GETOPT_LONG
+#ifdef _GNU_SOURCE
int opt_idx = -1;
c = getopt_long(argc, argv, "a:ec:s:i:dvh", perf_long_opts, &opt_idx);
#else
--
2.4.3
--
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