From e272d9dc80291b22a3a80675e2cefafdd40a8581 Mon Sep 17 00:00:00 2001
From: Akim Demaille <akim@lrde.epita.fr>
Date: Fri, 5 Oct 2012 09:20:30 +0200
Subject: [PATCH] tests: fix sed portability issues

Reported by Didier Godefroy,
<http://lists.gnu.org/archive/html/bug-bison/2012-10/msg00005.html>.

* tests/calc.at (AT_CHECK_SPACES): Use Perl.
---
 tests/calc.at | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/tests/calc.at b/tests/calc.at
index 3aab8681..a1c11e5f 100644
--- a/tests/calc.at
+++ b/tests/calc.at
@@ -503,12 +503,15 @@ AT_CHECK([cat stderr], 0, [expout])
 # Make sure we did not introduce bad spaces.  Checked here because all
 # the skeletons are (or should be) exercized here.
 m4_define([AT_CHECK_SPACES],
-[# No initial empty lines.
-AT_CHECK([sed -ne '/./q;=;p;' $1])
-# No trailing spaces.
-# FIXME: For 2.7: AT_CHECK([sed -ne '/[ ]$/{=;p;}' $1])
-# No final empty lines.
-AT_CHECK([sed -ne '${/^$/{=;p;};}' $1])
+[AT_CHECK([perl -ne '
+  chomp;
+  print "$.: {$_}\n"
+    if (# No starting/ending empty lines.
+        (eof || $. == 1) && /^\s*$/
+        # No trailing space.  FIXME: not ready for "maint".
+        # || /\s$/
+        )' $1
+])dnl
 ])
 
 
-- 
2.45.2