From: Paul Eggert <eggert@cs.ucla.edu>
Date: Sat, 5 Feb 2005 06:51:45 +0000 (+0000)
Subject: (AT_CMP): Use diff directly on input files rather than copying them.
X-Git-Tag: AUTOCONF-2.59c~456
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=19ead6fec4e74f5a1fa017d8159d3f879fa0bc9a;p=thirdparty%2Fautoconf.git

(AT_CMP): Use diff directly on input files rather than copying them.
---

diff --git a/tests/local.at b/tests/local.at
index ca429d788..0dc7f641a 100644
--- a/tests/local.at
+++ b/tests/local.at
@@ -34,12 +34,10 @@ AT_TESTED([autom4te autoconf autoheader autoupdate autoreconf ifnames])
 
 # AT_CMP(FILE-1, FILE-2)
 # ----------------------
-# Check FILE-1 and FILE-2 for equality, like `cmp FILE-1 FILE-2'.  This macro
-# clobbers `expout'.
+# Check FILE-1 and FILE-2 for equality, like `cmp FILE-1 FILE-2'.
 m4_define([AT_CMP],
 [m4_ifval([$2],, [m4_fatal([AT_CMP takes two arguments.])])[]dnl
-cp -f "$1" expout
-AT_CHECK([cat "$2"], 0, [expout])
+AT_CHECK([$at_diff "$1" "$2"])
 ])# AT_CMP
 
 
@@ -330,7 +328,7 @@ do
     { $GREP -v \
 '^\(ac\|as\)_
 ^\(PPID\|RANDOM\|SECONDS\|'\'\\\$\''\)=
-^[[^=]]*=$'        $act_file 
+^[[^=]]*=$'        $act_file
       $GREP ^ac_cv $act_file ; } |
       # Lines that do not look like `foo=bar' are probably latter lines of
       # multiline values; trim them.