From: Robert Luberda <robert@debian.org>
Date: Thu, 28 Jan 2016 23:04:33 +0100
Subject: 32 Fix FTBFS on Hurd

Fallback to a previously version of alter() function if UTIME_OMIT
is not defined (which happens most probably on Hurd only, see #762677).
---
 util.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/util.c b/util.c
index 88613c9..e4f2ff0 100644
--- a/util.c
+++ b/util.c
@@ -328,6 +328,7 @@ unstack(void)
  * Touch the indicated file.
  * This is nifty for the shell.
  */
+#ifdef UTIME_OMIT
 void
 alter(char *name)
 {
@@ -339,6 +340,25 @@ alter(char *name)
 	(void)utimensat(AT_FDCWD, name, ts, 0);
 }
 
+#else
+#warning "UTIME_OMIT not defined, falling back to the old version of alter() function"
+#include <sys/time.h>
+void
+alter(char *name)
+{
+	struct stat sb;
+	struct timeval tv[2];
+
+	if (stat(name, &sb))
+		return;
+	(void) gettimeofday(&tv[0], (struct timezone *)0);
+	tv[0].tv_sec++;
+	tv[1].tv_sec = sb.st_mtime;
+	tv[1].tv_usec = 0;
+	(void)utimes(name, tv);
+}
+#endif
+
 /*
  * Examine the passed line buffer and
  * return true if it is all blanks and tabs.