Module: xenomai-3
Branch: stable-3.0.x
Commit: 8cb527787b37b31dc20afee8b2e9c425d74b5978
URL:
http://git.xenomai.org/?p=xenomai-3.git;a=commit;h=8cb527787b37b31dc20afee8b2e9c425d74b5978
Author: Philippe Gerum <r...@xenomai.org>
Date: Sat Apr 15 15:33:00 2017 +0200
lib/cobalt: better detect lack of backtrace() support
---
configure.ac | 3 ++-
lib/cobalt/sigshadow.c | 10 ++++------
2 files changed, 6 insertions(+), 7 deletions(-)
diff --git a/configure.ac b/configure.ac
index bc586e9..f8b2da8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -519,7 +519,8 @@ AC_CHECK_FUNCS([pthread_mutexattr_setprotocol \
sched_getcpu \
clock_nanosleep \
shm_open \
- shm_unlink])
+ shm_unlink \
+ backtrace])
LIBS="$save_LIBS"
save_CPPFLAGS="$CPPFLAGS"
diff --git a/lib/cobalt/sigshadow.c b/lib/cobalt/sigshadow.c
index 3f4e9c5..f58e341 100644
--- a/lib/cobalt/sigshadow.c
+++ b/lib/cobalt/sigshadow.c
@@ -20,17 +20,15 @@
#include <asm/xenomai/syscall.h>
#include "internal.h"
-#ifdef __UCLIBC__
+#if !HAVE_BACKTRACE
static inline int backtrace(void **buffer, int size)
{
- /*
- * We have no backtrace support in uClibc.
- */
+ /* Not all *libcs support backtrace(). */
return 0;
}
-#else /* !__UCLIBC__ */
+#else
#include <execinfo.h>
-#endif /* !__UCLIBC__ */
+#endif
static struct sigaction sigshadow_action_orig;
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