From: Tom Tromey <tromey@redhat.com>
Date: Sun, 23 Feb 1997 07:19:32 +0000 (+0000)
Subject: bug fix
X-Git-Tag: Release-1-1m~28
X-Git-Url: https://sourceware.org/git/?a=commitdiff_plain;h=02d42b0b4930498f7d9679714d6c3817e5a8113f;p=automake.git

bug fix
---

diff --git a/ChangeLog b/ChangeLog
index 0d467cc8..05fc88f3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Sun Feb 23 00:10:36 1997  Tom Tromey  <tromey@cygnus.com>
+
+	* m4/sanity.m4: Pass -L to ls if possible.
+
 Sat Feb 22 15:22:31 1997  Tom Tromey  <tromey@cygnus.com>
 
 	* dist-vars.am (DISTFILES): Don't distribute MANS.
diff --git a/m4/sanity.m4 b/m4/sanity.m4
index 65ca9999..df1c0540 100644
--- a/m4/sanity.m4
+++ b/m4/sanity.m4
@@ -5,9 +5,19 @@
 AC_DEFUN(AM_SANITY_CHECK,
 [AC_MSG_CHECKING([whether build environment is sane])
 echo timestamp > conftestfile
-# Do this in a subshell so we don't clobber the current shell's
-# arguments.  FIXME: maybe try `-L' hack like GETLOADAVG test?
-if (set X `ls -t $srcdir/configure conftestfile`; test "[$]2" = conftestfile)
+# Do `set' in a subshell so we don't clobber the current shell's
+# arguments.  Must try -L first in case configure is actually a
+# symlink; some systems play weird games with the mod time of symlinks
+# (eg FreeBSD returns the mod time of the symlink's containing
+# directory).
+if (
+   set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null`
+   if test "$@" = "X"; then
+      # -L didn't work.
+      set X `ls -t $srcdir/configure conftestfile`
+   fi
+   test "[$]2" = conftestfile
+   )
 then
    # Ok.
    :