lstat message tweak

[Eric Blake]

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I got tired of seeing a line longer than 80 columns in configure output,
especially after my recent round of gnulib patches for other trailing
symlink bugs on older Solaris.  Pushing this:

- --
Don't work too hard, make some time for fun as well!

Eric Blake             address@hidden
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>From f72e59f491eea7d9969f5c23f3b9e826e5466ee9 Mon Sep 17 00:00:00 2001
From: Eric Blake <address@hidden>
Date: Mon, 21 Sep 2009 07:01:51 -0600
Subject: [PATCH] Fit configure output in 80 columns.

* lib/autoconf/functions.m4
(AC_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK): Shorten message.

Signed-off-by: Eric Blake <address@hidden>
---
 ChangeLog                 |    6 ++++++
 lib/autoconf/functions.m4 |   10 +++++-----
 2 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 9900331..6b338d0 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2009-09-21  Eric Blake  <address@hidden>
+
+       Fit configure output in 80 columns.
+       * lib/autoconf/functions.m4
+       (AC_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK): Shorten message.
+
 2009-09-18  Ralf Wildenhues  <address@hidden>

        Use consistent notation for cache variables.
diff --git a/lib/autoconf/functions.m4 b/lib/autoconf/functions.m4
index 810a0a7..946a646 100644
--- a/lib/autoconf/functions.m4
+++ b/lib/autoconf/functions.m4
@@ -832,14 +832,14 @@ fi
 AN_FUNCTION([lstat], [AC_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK])
 AC_DEFUN([AC_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK],
 [AC_CACHE_CHECK(
-       [whether lstat dereferences a symlink specified with a trailing slash],
+       [whether lstat correctly handles trailing slash],
        [ac_cv_func_lstat_dereferences_slashed_symlink],
 [rm -f conftest.sym conftest.file
 echo >conftest.file
 if test "$as_ln_s" = "ln -s" && ln -s conftest.file conftest.sym; then
   AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
     [struct stat sbuf;
-     /* Linux will dereference the symlink and fail.
+     /* Linux will dereference the symlink and fail, as required by POSIX.
        That is better in the sense that it means we will not
        have to compile and use the lstat wrapper.  */
      return lstat ("conftest.sym/", &sbuf) == 0;])],
@@ -855,12 +855,12 @@ rm -f conftest.sym conftest.file
 ])

 test $ac_cv_func_lstat_dereferences_slashed_symlink = yes &&
-  AC_DEFINE_UNQUOTED(LSTAT_FOLLOWS_SLASHED_SYMLINK, 1,
+  AC_DEFINE_UNQUOTED([LSTAT_FOLLOWS_SLASHED_SYMLINK], [1],
                     [Define to 1 if `lstat' dereferences a symlink specified
                      with a trailing slash.])

-if test $ac_cv_func_lstat_dereferences_slashed_symlink = no; then
-  AC_LIBOBJ(lstat)
+if test "x$ac_cv_func_lstat_dereferences_slashed_symlink" = xno; then
+  AC_LIBOBJ([lstat])
 fi
 ])

-- 
1.6.5.rc1