compositor: check for execinfo.h

Some systems may not have execinfo.h. Add a configure test for it, and
if it is not found, make the backtrace() call a no-operation.

Signed-off-by: Pekka Paalanen <ppaalanen@gmail.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/shared/os-compatibility.h b/shared/os-compatibility.h
index 77e86728..ca753b6d 100644
--- a/shared/os-compatibility.h
+++ b/shared/os-compatibility.h
@@ -23,6 +23,16 @@
 #ifndef OS_COMPATIBILITY_H
 #define OS_COMPATIBILITY_H
 
+#ifdef HAVE_EXECINFO_H
+#include <execinfo.h>
+#else
+static inline int
+backtrace(void **buffer, int size)
+{
+	return 0;
+}
+#endif
+
 int
 os_socketpair_cloexec(int domain, int type, int protocol, int *sv);