Work around AIX sh quoting issue in AC_PROG_CC_C_O.

* m4/minuso.m4 (AM_PROG_CC_C_O): Work around shell quoting issue
with AIX sh; fixes depcomp6.test failure.
* NEWS, THANKS: Update.
Report by Rainer Tammer.

Signed-off-by: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>

4 files changed, 15 insertions, 5 deletions

diff --git a/ChangeLog b/ChangeLog
index 2c2a6d24a..895fa3967 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,10 @@
 2008-10-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 
+	* m4/minuso.m4 (AM_PROG_CC_C_O): Work around shell quoting issue
+	with AIX sh; fixes depcomp6.test failure.
+	* NEWS, THANKS: Update.
+	Report by Rainer Tammer.
+
 	Print captured output before failing.
 	* tests/acloca14.test, tests/acloca17.test, tests/acloca18.test,
 	tests/aclocal.test, tests/acsilent.test, tests/alpha.test,
@@ -7,7 +12,7 @@
 	tests/fn99subdir.test, tests/help.test, tests/init.test,
 	tests/lisp8.test, tests/missing3.test, tests/pr220.test,
 	tests/python11.test, tests/python4.test, tests/python5.test,
-	tests/unused.test, tests/version8.test: When Exit is called
+	tests/unused.test, tests/version8.test: When exit is called
 	after a command that has stdout or stderr redirected to a file
 	for later inspection, output the file before failing the test.
 
diff --git a/NEWS b/NEWS
index 294f8e006..dd81fc76a 100644
--- a/NEWS
+++ b/NEWS
@@ -7,6 +7,9 @@ Bugs fixed in 1.10.1a:
   - Rebuild rules now also work for a removed `subdir/Makefile.in' in
     an otherwise up to date tree.
 
+  - Work around AIX sh quoting issue in AC_PROG_CC_C_O, leading to
+    unnecessary use of the `compile' script.
+
 * Bugs introduced by 1.10.1:
 
 
diff --git a/THANKS b/THANKS
index e63715979..0d0b19f61 100644
--- a/THANKS
+++ b/THANKS
@@ -251,6 +251,7 @@ Philip S Tellis		philip@ncst.ernet.in
 Пухальский Юрий Андреевич pooh@cryptopro.ru
 Rainer Orth		ro@techfak.uni-bielefeld.de
 Rafael Laboissiere	laboissiere@psy.mpg.de
+Rainer Tammer		tammer@tammer.net
 Raja R Harinath		harinath@cs.umn.edu
 Ralf Corsepius		corsepiu@faw.uni-ulm.de
 Ralf Menzel		menzel@ls6.cs.uni-dortmund.de
diff --git a/m4/minuso.m4 b/m4/minuso.m4
index 925baec79..d8b16200b 100644
--- a/m4/minuso.m4
+++ b/m4/minuso.m4
@@ -1,12 +1,12 @@
 ##                                                          -*- Autoconf -*-
-# Copyright (C) 1999, 2000, 2001, 2003, 2004, 2005
+# Copyright (C) 1999, 2000, 2001, 2003, 2004, 2005, 2008
 # Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 5
+# serial 6
 
 # AM_PROG_CC_C_O
 # --------------
@@ -18,8 +18,9 @@ AC_REQUIRE_AUX_FILE([compile])dnl
 # FIXME: we rely on the cache variable name because
 # there is no other way.
 set dummy $CC
-ac_cc=`echo $[2] | sed ['s/[^a-zA-Z0-9_]/_/g;s/^[0-9]/_/']`
-if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" != yes"; then
+am_cc=`echo $[2] | sed ['s/[^a-zA-Z0-9_]/_/g;s/^[0-9]/_/']`
+eval am_t=\$ac_cv_prog_cc_${am_cc}_c_o
+if test "$am_t" != yes; then
    # Losing compiler, so override with the script.
    # FIXME: It is wrong to rewrite CC.
    # But if we don't then we get into trouble of one sort or another.