file: Add microsecond resolution for mtime: mtimeus

Note that actual support is dependent upon the underlying operating
system and filesystem.

Signed-off-by: Steve Bennett <steveb@workware.net.au>

1 files changed, 5 insertions, 0 deletions

diff --git a/auto.def b/auto.def
index 394cc62..fc937ff 100644
--- a/auto.def
+++ b/auto.def
@@ -130,6 +130,11 @@ if {[cc-check-functions sysinfo]} {
     }
 }
 
+cc-with {-includes {sys/types.h sys/stat.h}} {
+    cc-check-members "struct stat.st_mtimespec"
+    cc-check-members "struct stat.st_mtim"
+}
+
 cc-with {-includes fcntl.h} {
     cc-check-types "struct flock"
 }