http://bugs.gentoo.org/197366

commit 8952f7248c2637426bcf83d38f07a8b02124a06e
Author: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
Date:   Wed May 10 20:50:53 2006 +0000

    * tests/aclocal7.test: Add `$sleep's between file touching
    and automake resp aclocal+automake invocations, to ensure
    they complete with a time stamp strictly later than the touched
    file.

diff --git a/tests/aclocal7.test b/tests/aclocal7.test
index 787565c..f6d5e31 100755
--- a/tests/aclocal7.test
+++ b/tests/aclocal7.test
@@ -89,6 +89,7 @@ test `ls -1t sub/Makefile.in foo | sed 1q` = sub/Makefile.in
 touch fragment.inc
 $sleep
 touch foo
+$sleep
 $ACLOCAL -I m4
 $AUTOMAKE --no-force
 # Only ./Makefile.in should change.
@@ -101,6 +102,7 @@ grep README Makefile.in && exit 1
 : > README
 $sleep
 touch foo
+$sleep
 $AUTOMAKE --no-force
 # Even if no dependency change, the content changed.
 test `ls -1t Makefile.in foo | sed 1q` = Makefile.in
@@ -111,6 +113,7 @@ grep README Makefile.in
 : > sub/Makefile.in
 $sleep
 touch foo
+$sleep
 $ACLOCAL -I m4
 $AUTOMAKE --no-force
 # Only sub/Makefile.in should change.