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>
diff --git a/shared/os-compatibility.h b/shared/os-compatibility.h
index 77e8672..ca753b6 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);