Implement POSIX clock_gettime(3) for systems that lack it (like Mac OS X).

On Mac OS X it will get proper nanosecond precision; elsewhere, only
microseconds.  Hides the conformance failure from the rest of the code.

All regression tests pass.

1 files changed, 2 insertions, 0 deletions

diff --git a/libgps.h b/libgps.h
index 914c4df2..9ef0ae37 100644
--- a/libgps.h
+++ b/libgps.h
@@ -10,6 +10,8 @@
 #define SHM_PSEUDO_FD	-1
 #define DBUS_PSEUDO_FD	-2
 
+#include "compiler.h"
+
 #ifdef __cplusplus
 extern "C" {
 #endif