From 394f3a47e464b67b17e2cb7166df066829250e88 Mon Sep 17 00:00:00 2001
From: dana <dana@dana.is>
Date: Wed, 20 Jun 2018 17:29:56 -0500
Subject: 43075: Support nanosecond-precision time formatting

* Teach ztrftime() %9. and %N for nanoseconds
* Update prompt expansion to pass sub-second times for time formatting
* Update zsh/stat to pass sub-second times for atime/mtime/ctime

Patch heavily based on Oliver's earlier work @ workers/24059
---
 configure.ac | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index 7644ebe52..53c30c2cf 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1113,6 +1113,14 @@ zsh_TYPE_EXISTS([
 #endif
 ], struct timezone)
 
+dnl Check for struct timespec since POSIX only gained it in 2008
+zsh_TYPE_EXISTS([
+#define _GNU_SOURCE 1
+#ifdef HAVE_SYS_TIME_H
+# include <sys/time.h>
+#endif
+], struct timespec)
+
 dnl Check for utmp structures, for watch
 zsh_TYPE_EXISTS([
 #ifdef HAVE_SYS_TYPES_H
-- 
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