[v1,2/2] ir-ctl: add optional copy of TEMP_FAILURE_RETRY macro (fix musl compile)
Commit Message
Fixes buildroot musl compile (see [1], [2]):
ir-ctl.c:(.text+0xe01): undefined reference to `TEMP_FAILURE_RETRY'
[1] http://autobuild.buildroot.net/results/b8b96c7bbf2147dacac62485cbfdbcfd758271a5
[2] http://lists.busybox.net/pipermail/buildroot/2017-February/184048.html
Signed-off-by: Peter Seiderer <ps.report@gmx.net>
---
utils/ir-ctl/ir-ctl.c | 9 +++++++++
1 file changed, 9 insertions(+)
@@ -44,6 +44,15 @@
# define N_(string) string
+/* taken from glibc unistd.h */
+#ifndef TEMP_FAILURE_RETRY
+#define TEMP_FAILURE_RETRY(expression) \
+ (__extension__ \
+ ({ long int __result; \
+ do __result = (long int) (expression); \
+ while (__result == -1L && errno == EINTR); \
+ __result; }))
+#endif
/* See drivers/media/rc/ir-lirc-codec.c line 23 */
#define LIRCBUF_SIZE 512