Add fallback definition of SIG_ATOMIC_MAX

Android appears to lack SIG_ATOMIC_MAX which is only
used in fatal-signal.c.

Observed when compiling using the Android NDK r6b (Android API level 13).

Patch based on a suggestion by Ben Pfaff

diff --git a/lib/fatal-signal.c b/lib/fatal-signal.c
index c7e87db..a6ce1b7 100644 (file)
--- a/lib/fatal-signal.c
+++ b/lib/fatal-signal.c
@@ -32,6 +32,12 @@
 #include "util.h"
 #include "vlog.h"
 
+#include "type-props.h"
+
+#ifndef SIG_ATOMIC_MAX
+#define SIG_ATOMIC_MAX TYPE_MAXIMUM(sig_atomic_t)
+#endif
+
 VLOG_DEFINE_THIS_MODULE(fatal_signal);
 
 /* Signals to catch. */