From: Zhao Lei <zhaolei@xxxxxxxxxxxxxx> When we compile btrfs-progs in RHEL5(with default gcc 4.1.2 and glibc-2.5-18), we can get following error: cc1: warnings being treated as errors btrfs-list.c: In function 'ino_resolve': btrfs-list.c:511: warning: implicit declaration of function 'strndup' btrfs-list.c:511: warning: incompatible implicit declaration of built-in function 'strndup' make: *** [btrfs-list.o] Error 1 ... cc1: warnings being treated as errors btrfs.c: In function 'split_command': btrfs.c:168: warning: implicit declaration of function 'strndup' btrfs.c:168: warning: incompatible implicit declaration of built-in function 'strndup' make: *** [btrfs-list.o] Error 1 We can add _GNU_SOURCE definition according man strndup. Signed-off-by: Zhao Lei <zhaolei@xxxxxxxxxxxxxx> Signed-off-by: Miao Xie <miaox@xxxxxxxxxxxxxx> --- btrfs-list.c | 1 + btrfs.c | 2 +- 2 files changed, 2 insertions(+), 1 deletions(-) diff --git a/btrfs-list.c b/btrfs-list.c index 7741705..9dedb5d 100644 --- a/btrfs-list.c +++ b/btrfs-list.c @@ -16,6 +16,7 @@ * Boston, MA 021110-1307, USA. */ +#define _GNU_SOURCE #ifndef __CHECKER__ #include <sys/ioctl.h> #include <sys/mount.h> diff --git a/btrfs.c b/btrfs.c index ab5e57f..46314cf 100644 --- a/btrfs.c +++ b/btrfs.c @@ -14,7 +14,7 @@ * Boston, MA 021110-1307, USA. */ - +#define _GNU_SOURCE #include <stdio.h> #include <stdlib.h> #include <string.h> -- 1.6.5.2 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
