From c63680e87b2052cb573bff107b87f43bf679c011 Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Sat, 26 Nov 2005 06:30:35 +0000
Subject: (gettime) [!defined OK_TO_USE_1S_CLOCK]: Report an error at
 compile-time if only a 1-second nominal clock resolution is found.

---
 lib/gettime.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lib/gettime.c b/lib/gettime.c
index 0f94297da..d60711b53 100644
--- a/lib/gettime.c
+++ b/lib/gettime.c
@@ -45,8 +45,14 @@ gettime (struct timespec *ts)
     ts->tv_nsec = tv.tv_usec * 1000;
   }
 # else
+
+#  ifndef OK_TO_USE_1S_CLOCK
+#   error "Only 1-second nominal clock resolution found.  Is that intended?" \
+          "If so, compile with the -DOK_TO_USE_1S_CLOCK option."
+#  endif
   ts->tv_sec = time (NULL);
   ts->tv_nsec = 0;
+
 # endif
 
 #endif
-- 
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