./configure will leave traces of a complaint on config.log when
_BSD_SOURCE is defined but not _DEFAULT_SOURCE. _BSD_SOURCE is
deprecated so if defining _BSD_SOURCE also define _DEFAULT_SOURCE.
>From config.log:
/usr/include/features.h:183:3: warning: #warning "_BSD_SOURCE and _SVID_SOURCE are deprecated, use _DEFAULT_SOURCE" [-Wcpp]
Signed-off-by: Luis R. Rodriguez <mcgrof@xxxxxxxxxx>
---
m4/package_libcdev.m4 | 1 +
1 file changed, 1 insertion(+)
diff --git a/m4/package_libcdev.m4 b/m4/package_libcdev.m4
index fa5b63978797..af2a9631b8ba 100644
--- a/m4/package_libcdev.m4
+++ b/m4/package_libcdev.m4
@@ -137,6 +137,7 @@ AC_DEFUN([AC_HAVE_PREADV],
[ AC_MSG_CHECKING([for preadv])
AC_TRY_LINK([
#define _BSD_SOURCE
+#define _DEFAULT_SOURCE
#include <sys/uio.h>
], [
preadv(0, 0, 0, 0);
--
2.14.2
--
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