# HG changeset patch
# User Jim Meyering <meyering@redhat.com>
# Date 1325778184 -3600
# Node ID 57418c6cd32b169fe940780ceee23543ab006700
# Parent  df2fa8e181f96a50207de20e8b3b4ebecd764b67
test-init.sh: avoid failure on HP-UX 11.00

* tests/test-init.sh: Skip "diff -u"-comparing step when compare
resolves to diff -c or cmp.  Reported by Bruno Haible.

diff --git a/ChangeLog b/ChangeLog
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2012-01-05  Jim Meyering  <meyering@redhat.com>
+
+	test-init.sh: avoid failure on HP-UX 11.00
+	* tests/test-init.sh: Skip "diff -u"-comparing step when compare
+	resolves to diff -c or cmp.  Reported by Bruno Haible.
+
 2012-01-05  Bruno Haible  <bruno@clisp.org>
 
 	Tests for module 'strtoull'.
diff --git a/tests/test-init.sh b/tests/test-init.sh
--- a/tests/test-init.sh
+++ b/tests/test-init.sh
@@ -61,7 +61,11 @@
 +xyz
 EOF
   sed 's/	.*//;/^@@/d' out > k && mv k out
-  compare exp out || fail=1
+
+  # Check the expected output only if compare is using diff -u.
+  if $(exec 2>/dev/null; diff -u out out < /dev/null); then
+    compare exp out || fail=1
+  fi
   case $- in *x*) ;; *) test -s err && fail_ "err not empty: $(cat err)";; esac
 }