As the master branch of the automake Git repository has advanced
since I submitted my patch, I rebased it against the latest master 
branch. The updated patch is attached.

Regards,
    Stefano
From 8ed404c67e43a150fa21f274f248cedbf2a29a9a Mon Sep 17 00:00:00 2001
From: Stefano Lattarini <stefano.lattar...@gmail.com>
Date: Wed, 9 Sep 2009 21:49:03 +0200
Subject: [PATCH] Fix testsuite: avoid Zsh-related problems

* tests/README: Describe a bug (or at least a weird behaviour) in
the way the 4.x versions of Zsh deal with the `-x' a.k.a. `xtrace'
switch.  This bug  can unexpectedly break apparently flawless test
scripts.  Describe also a workaround for it, involving the use of
the new shell function `run_CMD()', defined in tests/defs.in (see
below).

* tests/defs.in: New subroutine `run_CMD()'.  Implementation of
subroutine `AUTOMAKE_run()' rewritten to use `run_CMD()'.  Unset
variable `TEST_LOG_COMPILER', that might cause spurious failures
by leaking in the environment of the make processes executed by the
test scripts.  Updated the code which ensures Bourne-compatibility
in Zsh, by adding a call to `setopt NO_GLOB_SUBST' (as done by
autoconf 2.64).

* tests/acloca14.test:
* tests/acloca17.test:
* tests/acloca18.test:
* tests/aclocal.test:
* tests/aclocal3.test:
* tests/aclocal8.test:
* tests/acsilent.test:
* tests/alpha.test:
* tests/ammissing.test:
* tests/ansi3.test:
* tests/ansi3b.test:
* tests/check8.test:
* tests/cond39.test:
* tests/defs.in:
* tests/depcomp2.test:
* tests/depcomp4.test:
* tests/depend5.test:
* tests/depend6.test:
* tests/discover.test:
* tests/distcom3.test:
* tests/fn99.test:
* tests/fn99subdir.test:
* tests/gnits2.test:
* tests/gnits3.test:
* tests/help.test:
* tests/init.test:
* tests/instsh.test:
* tests/ldadd.test:
* tests/libtool7.test:
* tests/libtool9.test:
* tests/lisp3.test:
* tests/ltorder.test:
* tests/man4.test:
* tests/mdate.test:
* tests/missing3.test:
* tests/missing4.test:
* tests/missing6.test:
* tests/obsolete.test:
* tests/output-order.test:
* tests/pr220.test:
* tests/pr300-ltlib.test:
* tests/python11.test:
* tests/python4.test:
* tests/python5.test:
* tests/python6.test:
* tests/python7.test:
* tests/python8.test:
* tests/python9.test:
* tests/sanity.test:
* tests/subobj.test:
* tests/subobj9.test:
* tests/unused.test:
* tests/vars3.test:
* tests/version8.test:
use new subroutine `run_CMD()' instead of hand-crafted stdout and/or
stderr redirections; this, togheter with the changes in file
`tests/defs.in', fixes misbehaviour w.r.t. zsh for (at least) the
following tests:
  - aclocal8.test
  - acsilent.test
  - depcomp2.test
  - getopt.test
  - location.test
  - missing3.test
  - output-order.test
  - parallel-tests3.test
  - parallel-tests4.test
  - unused.test
  - warnopts.test
  - check9-p.test
---
 ChangeLog               |   88 ++++++++++++++++++++++++++++++++++++++
 tests/README            |   23 ++++++++++
 tests/acloca14.test     |    2 +-
 tests/acloca17.test     |    4 +-
 tests/acloca18.test     |    8 +--
 tests/aclocal.test      |    6 +-
 tests/aclocal3.test     |    3 +-
 tests/aclocal8.test     |    5 +-
 tests/acsilent.test     |    5 +-
 tests/alpha.test        |    3 +-
 tests/ammissing.test    |    3 +-
 tests/ansi3.test        |    3 +-
 tests/ansi3b.test       |    3 +-
 tests/check8.test       |    8 +---
 tests/cond39.test       |    6 +--
 tests/defs.in           |  107 ++++++++++++++++++++++++++++++++++++++++-------
 tests/depcomp2.test     |    7 ++-
 tests/depcomp4.test     |    5 +-
 tests/depend5.test      |    5 +--
 tests/depend6.test      |    7 +--
 tests/discover.test     |    3 +-
 tests/distcom3.test     |    5 +-
 tests/fn99.test         |    3 +-
 tests/fn99subdir.test   |    3 +-
 tests/gnits2.test       |    4 +-
 tests/gnits3.test       |    4 +-
 tests/help.test         |    2 +-
 tests/init.test         |    8 +++-
 tests/instsh.test       |    5 +-
 tests/ldadd.test        |    3 +-
 tests/libtool7.test     |   21 ++++-----
 tests/libtool9.test     |    7 ++-
 tests/lisp3.test        |    5 +-
 tests/ltorder.test      |    3 +-
 tests/man4.test         |    6 +--
 tests/mdate.test        |    3 +-
 tests/missing3.test     |   16 ++++----
 tests/missing4.test     |    6 +--
 tests/missing6.test     |    5 +-
 tests/obsolete.test     |    4 +-
 tests/output-order.test |    9 ++--
 tests/pr220.test        |    3 +-
 tests/pr300-ltlib.test  |    6 +--
 tests/python11.test     |    4 +-
 tests/python4.test      |    3 +-
 tests/python5.test      |    3 +-
 tests/python6.test      |    3 +-
 tests/python7.test      |    3 +-
 tests/python8.test      |    3 +-
 tests/python9.test      |    3 +-
 tests/sanity.test       |    6 +--
 tests/subobj.test       |    3 +-
 tests/subobj9.test      |    4 +-
 tests/unused.test       |    4 +-
 tests/vars3.test        |    3 +-
 tests/version8.test     |    3 +-
 56 files changed, 312 insertions(+), 168 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index c76e559..eb3bfb1 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,91 @@
+2009-09-29  Stefano Lattarini  <stefano.lattar...@gmail.com>
+
+	Fix testsuite: avoid Zsh-related problems and glitches, especially
+	those due to a Zsh "bug" w.r.t. `set -x'.
+	* tests/README: Describe a bug (or at least a weird behaviour) in
+	the way the 4.x versions of Zsh deal with the `-x' a.k.a. `xtrace'
+	switch.  This bug  can unexpectedly break apparently flawless test
+	scripts.  Describe also a workaround for it, involving the use of
+	the new shell function `run_CMD()', defined in tests/defs.in (see
+	below).
+	* tests/defs.in: New subroutine `run_CMD()'.  Implementation of
+	subroutine `AUTOMAKE_run()' rewritten to use `run_CMD()'.  Unset
+	variable `TEST_LOG_COMPILER', that might cause spurious failures
+	by leaking in the environment of the make processes executed by the
+	test scripts.  Updated the code which ensures Bourne-compatibility
+	in Zsh, by adding a call to `setopt NO_GLOB_SUBST' (as done by
+	autoconf 2.64).
+	* tests/acloca14.test:
+	* tests/acloca17.test:
+	* tests/acloca18.test:
+	* tests/aclocal.test:
+	* tests/aclocal3.test:
+	* tests/aclocal8.test:
+	* tests/acsilent.test:
+	* tests/alpha.test:
+	* tests/ammissing.test:
+	* tests/ansi3.test:
+	* tests/ansi3b.test:
+	* tests/check8.test:
+	* tests/cond39.test:
+	* tests/defs.in:
+	* tests/depcomp2.test:
+	* tests/depcomp4.test:
+	* tests/depend5.test:
+	* tests/depend6.test:
+	* tests/discover.test:
+	* tests/distcom3.test:
+	* tests/fn99.test:
+	* tests/fn99subdir.test:
+	* tests/gnits2.test:
+	* tests/gnits3.test:
+	* tests/help.test:
+	* tests/init.test:
+	* tests/instsh.test:
+	* tests/ldadd.test:
+	* tests/libtool7.test:
+	* tests/libtool9.test:
+	* tests/lisp3.test:
+	* tests/ltorder.test:
+	* tests/man4.test:
+	* tests/mdate.test:
+	* tests/missing3.test:
+	* tests/missing4.test:
+	* tests/missing6.test:
+	* tests/obsolete.test:
+	* tests/output-order.test:
+	* tests/pr220.test:
+	* tests/pr300-ltlib.test:
+	* tests/python11.test:
+	* tests/python4.test:
+	* tests/python5.test:
+	* tests/python6.test:
+	* tests/python7.test:
+	* tests/python8.test:
+	* tests/python9.test:
+	* tests/sanity.test:
+	* tests/subobj.test:
+	* tests/subobj9.test:
+	* tests/unused.test:
+	* tests/vars3.test:
+	* tests/version8.test:
+	use new subroutine `run_CMD()' instead of hand-crafted stdout and/or
+	stderr redirections; this, togheter with the changes in file
+	`tests/defs.in', fixes misbehaviour w.r.t. zsh for (at least) the
+	following tests:
+	  - aclocal8.test
+	  - acsilent.test
+	  - depcomp2.test
+	  - getopt.test
+	  - location.test
+	  - missing3.test
+	  - output-order.test
+	  - parallel-tests3.test
+	  - parallel-tests4.test
+	  - unused.test
+	  - warnopts.test
+	  - check9-p.test
+
 2009-09-25  Ralf Wildenhues  <ralf.wildenh...@gmx.de>
 
 	Use silent-rules for building the Automake package.
diff --git a/tests/README b/tests/README
index b264881..a99a305 100644
--- a/tests/README
+++ b/tests/README
@@ -157,6 +157,29 @@ Do not
   reason, but at least it makes sure the original error is still
   here.)
 
+  If you must run a program and later analize its stderr, do *not* run it
+  by doing e.g.:
+    [WRONG]  PROG 2>foo.txt
+  Instead, use the run_CMD() subroutine (defined in tests/defs), as in:
+    [GOOD]   run_CMD PROG; mv stderr foo.txt
+  You can't use the apparently simpler form `PROG 2>stderr.txt' because of
+  a nasty bug of the zsh shell (at least of some 4.x versions).
+  In details: if you run command when `set -x' is active, and redirect its
+  standard error to a file, then zsh writes also the *trace* for the
+  command into that file, instead that into the original standard error.
+  For example:
+    $ zsh -c -x 'true 2>file'; echo "SHOULD BE EMPTY: `cat file`"
+    SHOULD BE EMPTY: +zsh:1> true
+  while the correct behaviour is e.g.
+    $ ksh -c -x 'true 2>file'; echo "SHOULD BE EMPTY: `cat file`"
+    + true
+    + 2> file
+    SHOULD BE EMPTY:
+  or:
+    $ bash -c -x 'true 2>file'; echo "SHOULD BE EMPTY: `cat file`"
+    + true
+    SHOULD BE EMPTY:
+
   Do not override Makefile variables using make arguments, as in
     $MAKE ANSI2KNR=./ansi2knr U=_ all
   this is not portable for recursive targets (targets that
diff --git a/tests/acloca14.test b/tests/acloca14.test
index 8ddbb1a..6df7c9b 100755
--- a/tests/acloca14.test
+++ b/tests/acloca14.test
@@ -108,5 +108,5 @@ $MAKE testdist2
 
 # Make sure aclocal diagnose missing included files with correct `file:line:'.
 rm -f b.m4
-$ACLOCAL 2>stderr && { cat stderr >&2; Exit 1; }
+run_CMD -e 1 $ACLOCAL
 grep 'a.m4:1:.*b.m4.*does not exist' stderr
diff --git a/tests/acloca17.test b/tests/acloca17.test
index 884f24b..a8326f9 100755
--- a/tests/acloca17.test
+++ b/tests/acloca17.test
@@ -33,7 +33,5 @@ EOF
 
 # FIXME: We want autom4te's 'undefined required macro' warning to be fatal,
 # but have no means to say so to aclocal.  We use WARNINGS=error instead.
-
-WARNINGS=error $ACLOCAL -I m4 2>stderr && { cat stderr >&2; Exit 1; }
-cat stderr >&2
+run_CMD -e 1 env WARNINGS=error $ACLOCAL -I m4
 grep 'configure.in:4:.*UNDEFINED_MACRO' stderr
diff --git a/tests/acloca18.test b/tests/acloca18.test
index 22feb23..e749b73 100755
--- a/tests/acloca18.test
+++ b/tests/acloca18.test
@@ -86,7 +86,7 @@ grep macro23 foo
 
 ACLOCAL_TESTSUITE_FLAGS='-I 4 -I 1 -I 2'
 rm -f foo
-$ACLOCAL --install 2>stderr && { cat stderr >&2; Exit 1; }
+run_CMD -e 1 $ACLOCAL --install
 grep AM_MACRO2 stderr
 
 ACLOCAL_TESTSUITE_FLAGS='-I 4 -I 1'
@@ -105,9 +105,7 @@ AC_DEFUN([AM_MACRO1], [echo macro1d >> foo])
 AC_DEFUN([AM_MACRO2], [echo macro2d >> foo])
 EOF
 rm -f foo
-$ACLOCAL --diff=diff >output 2>stderr
-cat stderr
-cat output
-grep '#serial 456' output
+run_CMD -e 0 $ACLOCAL --diff=diff
+grep '#serial 456' stdout
 test ! -f 4/m1.m4
 grep 'installing.*4/m1.m4' stderr
diff --git a/tests/aclocal.test b/tests/aclocal.test
index 6b87a9d..fbb6134 100755
--- a/tests/aclocal.test
+++ b/tests/aclocal.test
@@ -23,15 +23,15 @@ set -e
 $ACLOCAL --output=fred
 test -f fred
 
-$ACLOCAL --output 2>stderr && { cat stderr >&2; Exit 1; }
+run_CMD -e 1 $ACLOCAL --output
 grep 'option.*--output.*an argument' stderr
 grep help stderr
 
-$ACLOCAL --unknown-option 2>stderr && { cat stderr >&2; Exit 1; }
+run_CMD -e 1 $ACLOCAL --unknown-option
 grep 'unrecognized.*--unknown-option' stderr
 grep help stderr
 
-$ACLOCAL --ver 2>stderr && { cat stderr >&2; Exit 1; }
+run_CMD -e 1 $ACLOCAL --ver
 grep 'unrecognized.*--ver' stderr
 grep help stderr
 
diff --git a/tests/aclocal3.test b/tests/aclocal3.test
index a550e50..2474304 100755
--- a/tests/aclocal3.test
+++ b/tests/aclocal3.test
@@ -27,6 +27,5 @@ AC_DEFUN([GNOME_X_CHECKS], [
 ])
 END
 
-$ACLOCAL -I macros 2>stderr
-cat stderr
+run_CMD -e 0 $ACLOCAL -I macros
 grep 'macros/gnome.m4:2:.*AM_PATH_GTK.*not found' stderr
diff --git a/tests/aclocal8.test b/tests/aclocal8.test
index ac10aff..935760a 100755
--- a/tests/aclocal8.test
+++ b/tests/aclocal8.test
@@ -34,9 +34,8 @@ EOF
 echo 'AC_DEFUN([MACRO1],)' >m4/macro1.m4
 echo 'AC_DEFUN([MACRO2], [AC_REQUIRE([AM_UNUSED_MACRO])])' >m4/macro2.m4
 
-$ACLOCAL -I m4 >output 2>&1
-cat output
-test 0 = `wc -l <output`
+run_CMD -e 0 -m $ACLOCAL -I m4
+test -s stdall && Exit 1
 grep macro1.m4 aclocal.m4
 grep macro2.m4 aclocal.m4 && Exit 1
 :
diff --git a/tests/acsilent.test b/tests/acsilent.test
index 6ac7863..086890d 100755
--- a/tests/acsilent.test
+++ b/tests/acsilent.test
@@ -32,5 +32,6 @@ module=[$1]
 AC_SUBST(module)])
 END
 
-$ACLOCAL > output 2>&1 || { cat output; Exit 1; }
-test -z "`cat output`"
+run_CMD -e 0 -m $ACLOCAL
+test -s stdall && Exit 1
+:
diff --git a/tests/alpha.test b/tests/alpha.test
index 1ee8ed6..f1829ec 100755
--- a/tests/alpha.test
+++ b/tests/alpha.test
@@ -62,8 +62,7 @@ $AUTOMAKE
 ./configure
 
 # make distdir should fail because NEWS does not mention 1.0a
-$MAKE check 2>stderr && { cat stderr >&2; Exit 1; }
-cat stderr >&2
+run_CMD -e FAIL $MAKE check
 grep 'NEWS not updated' stderr
 test ! -f works
 
diff --git a/tests/ammissing.test b/tests/ammissing.test
index 61d360a..ad7b8cd 100755
--- a/tests/ammissing.test
+++ b/tests/ammissing.test
@@ -20,6 +20,5 @@
 
 echo AM_ZARDOZ >> configure.in
 
-$ACLOCAL 2>stderr
-cat stderr
+run_CMD -e 0 $ACLOCAL
 grep 'configure.in:.*AM_ZARDOZ.*not found' stderr
diff --git a/tests/ansi3.test b/tests/ansi3.test
index 2bbcaf7..7d7fec0 100755
--- a/tests/ansi3.test
+++ b/tests/ansi3.test
@@ -53,8 +53,7 @@ export CFLAGS
 # Linux boxes (Red Hat 5.1 in particular).
 $ACLOCAL
 $AUTOCONF
-$AUTOMAKE -a 2>stderr
-cat stderr
+run_CMD -e 0 $AUTOMAKE -a
 grep 'Makefile.am:1:.*ansi2knr\.c' stderr
 CC='gcc' ./configure
 ANSI2KNR=./ansi2knr U=_ $MAKE -e
diff --git a/tests/ansi3b.test b/tests/ansi3b.test
index 8f254ad..cba7a73 100755
--- a/tests/ansi3b.test
+++ b/tests/ansi3b.test
@@ -52,8 +52,7 @@ export CFLAGS
 # Linux boxes (Red Hat 5.1 in particular).
 $ACLOCAL
 $AUTOCONF
-$AUTOMAKE -a 2>stderr
-cat stderr
+run_CMD -e 0 $AUTOMAKE -a
 grep 'configure.in:2:.*ansi2knr\.1' stderr
 CC='gcc' ./configure
 ANSI2KNR=./ansi2knr U=_ $MAKE -e
diff --git a/tests/check8.test b/tests/check8.test
index 7936582..d1d07e5 100755
--- a/tests/check8.test
+++ b/tests/check8.test
@@ -67,10 +67,7 @@ $AUTOMAKE -a
 unset TESTS || :
 
 ./configure
-AM_COLOR_TESTS=always $MAKE -e check >stdout 2>stderr &&
-  { cat stdout; cat stderr >&2; Exit 1; }
-cat stdout
-cat stderr >&2
+run_CMD -e FAIL -- env AM_COLOR_TESTS=always $MAKE -e check
 grep 'XPASS.* foo$' stdout
 grep '^[^X]*PASS.* sub/foo$' stdout
 grep '^[^X]*PASS.* bar' stdout
@@ -87,8 +84,7 @@ $MAKE distclean
 mkdir build
 cd build
 ../configure
-$MAKE check >stdout && { cat stdout; Exit 1; }
-cat stdout
+run_CMD -e FAIL $MAKE check
 # Note: we are not grepping for the space here, due to the Solaris make VPATH
 # rewriting (if we fix that, we can still write a separate test for it).
 grep 'XPASS.*foo$' stdout
diff --git a/tests/cond39.test b/tests/cond39.test
index 79eaa70..a06969b 100755
--- a/tests/cond39.test
+++ b/tests/cond39.test
@@ -82,8 +82,7 @@ $AUTOCONF
 $AUTOMAKE --add-missing
 
 ./configure COND=true
-$MAKE 2>stderr
-cat stderr
+run_CMD -e 0 $MAKE
 grep 'overriding commands' stderr && Exit 1
 $MAKE sure-exist
 ./prog1 && Exit 1
@@ -97,8 +96,7 @@ $MAKE sure-exist
 $MAKE distclean
 
 ./configure COND=false
-$MAKE 2>stderr
-cat stderr
+run_CMD -e 0 $MAKE
 grep 'overriding commands' stderr && Exit 1
 ./prog1
 ./sub/prog2
diff --git a/tests/defs.in b/tests/defs.in
index 61182b6..67c95d4 100644
--- a/tests/defs.in
+++ b/tests/defs.in
@@ -20,19 +20,19 @@
 # Defines for Automake testing environment.
 # Tom Tromey <tro...@cygnus.com>
 
-# Be Bourne compatible.
-# (Snippet copied from configure's initialization in Autoconf 2.59c.)
-if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
+# Be more Bourne compatible
+# (Snippet copied from configure's initialization in Autoconf 2.64)
+DUALCASE=1; export DUALCASE # for MKS sh
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then :
   emulate sh
   NULLCMD=:
-  # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which
+  # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
   # is contrary to our usage.  Disable this feature.
   alias -g '${1+"$@"}'='"$@"'
+  setopt NO_GLOB_SUBST
 else
-  case `(set -o) 2>/dev/null` in *posix*) set -o posix;; esac
+  case `(set -o) 2>/dev/null` in *posix*) set -o posix ;; esac
 fi
-BIN_SH=xpg4; export BIN_SH # for Tru64
-DUALCASE=1; export DUALCASE # for MKS sh
 
 # Ensure we are running from the right directory.
 test -f ./defs || {
@@ -314,6 +314,7 @@ unset oldincludedir pdfdir psdir sbindir sharedstatedir sysconfdir
 # backward-compatible behavior.
 unset DISABLE_HARD_ERRORS
 unset TESTS
+unset TEST_LOG_COMPILER
 unset TEST_LOGS
 unset RECHECK_LOGS
 unset VERBOSE
@@ -396,26 +397,100 @@ is_newest ()
   test -z "$is_newest_files"
 }
 
+# run_CMD [-e STATUS] [-i FILE] [-m] [--] COMMAND [ARGUMENTS..]
+# -------------------------------------------------------------
+# Run the given COMMAND (can be an external commnds, a shell function or
+# shell builtin) with ARGUMENTS (and with standard input taken from FILE,
+# if option `-i' is given), and fail if COMMAND does not exit with STATUS.
+# If status is "VOID" or "IGNORE", any exit value of the command is
+# acceptable.  If STATUS is "FAIL", then any exit value of the command
+# *but 0* is acceptable.  Default STATUS is "IGNORE".
+# Also, save standard output and standard error from COMMAND, by default
+# respectively in files `stdout' and `stderr' (in the current directory),
+# or togheter in the file `stdall' (in the current directory) if the `-m'
+# option is given.  All the redirections are done without triggering the
+# zsh4 bug related to `-x' shell switch (described in details in the
+# tests/README file).
+run_CMD ()
+{
+  # NOTE: all internal variables used here starts with the `_run'
+  # prefix, to minimize possibility of name clashes with global
+  # variables defined in user code.
+  : 'entering run_CMD(): become quiet'
+  set +x # xtrace verbosity stops here
+  _run_stdin=-
+  _run_expected_exitcode=0
+  _run_mix_stdout_and_stderr=no
+  while test $# -gt 0; do
+    case "$1" in
+      -e) _run_expected_exitcode=$2; shift;;
+      -i) _run_stdin=$2; shift;;
+      -m) _run_mix_stdout_and_stderr=yes;;
+      --) shift; break;;
+      -?) echo "run_CMD(): invalid switch '$1'" >&2; Exit 99;;
+       *) break;;
+    esac
+    shift
+  done
+  case $# in
+    0) echo "run_CMD(): missing COMMAND argument" >&2; Exit 99;;
+    *) _run_cmd=$1; shift;;
+  esac
+  _run_exitcode=0
+  if test x"${_run_mix_stdout_and_stderr}" = x"yes"; then
+    _run_evald_cmd='"${_run_cmd}" ${1+"$@"} >stdall 2>&1'
+  else
+    _run_evald_cmd='"${_run_cmd}" ${1+"$@"} >stdout 2>stderr'
+  fi
+  if test x"${_run_stdin}" != x"-"; then
+    _run_evald_cmd="${_run_evald_cmd}"' <"${_run_stdin}"'
+  fi
+  _run_evald_cmd="${_run_evald_cmd} || _run_exitcode=\$?"
+  eval "${_run_evald_cmd}"
+  if test x"${_run_mix_stdout_and_stderr}" = x"yes"; then
+    echo "=== stdout and stderr"
+    cat stdall
+    echo "==="
+ else
+    echo "=== stderr" >&2
+    cat stderr >&2
+    echo "===" >&2
+    echo "=== stdout"
+    cat stdout
+    echo "==="
+  fi
+  case ${_run_expected_exitcode} in
+    VOID|void|IGNORE|ignore|IGNORED|ignored|${_run_exitcode})
+      _run_rc=0
+      ;;
+    FAIL|fail|FAILURE|failure)
+      test ${_run_exitcode} -gt 0 && _run_rc=0 || _run_rc=1
+      ;;
+    *)
+      _run_rc=1
+      ;;
+  esac
+  set -x # xtrace verbosity restart here
+  : "exit status ${_run_exitcode} (expecting ${_run_expected_exitcode})"
+  : "leaving run_CMD()"
+  return ${_run_rc}
+}
 
 # AUTOMAKE_run status [options...]
 # --------------------------------
-# Run Automake with OPTIONS, and fail if automake
+# Run Automake with OPTIONS, and make the testcase FAIL if automake
 # does not exit with STATUS.
 AUTOMAKE_run ()
 {
-  expected_exitcode=$1
+  _am_run_expected_exitcode=$1
   shift
-  exitcode=0
-  $AUTOMAKE ${1+"$@"} >stdout 2>stderr || exitcode=$?
-  cat stderr >&2
-  cat stdout
-  test $exitcode = $expected_exitcode || Exit 1
+  run_CMD -e ${_am_run_expected_exitcode} -- $AUTOMAKE ${1+"$@"} || Exit 1
 }
 
 # AUTOMAKE_fails [options...]
 # ---------------------------
-# Run Automake with OPTIONS, and fail if automake
-# does not exit with STATUS.
+# Run Automake with OPTIONS, and make the testcase FAIL if automake
+# does not exit with status 1.
 AUTOMAKE_fails ()
 {
   AUTOMAKE_run 1 ${1+"$@"}
diff --git a/tests/depcomp2.test b/tests/depcomp2.test
index 4653c90..0969c0f 100755
--- a/tests/depcomp2.test
+++ b/tests/depcomp2.test
@@ -20,6 +20,8 @@
 required=gcc
 . ./defs || Exit 1
 
+set -e
+
 cat > configure.in << 'END'
 AC_INIT(subdir/foo.c)
 AM_INIT_AUTOMAKE(nonesuch, nonesuch)
@@ -48,5 +50,6 @@ export CFLAGS
 $ACLOCAL || Exit 1
 $AUTOMAKE --add-missing || Exit 1
 $AUTOCONF || Exit 1
-./configure CC='gcc' 2>error.log
-test -z "`cat error.log`"
+run_CMD -e 0 ./configure CC='gcc'
+test -s stderr && Exit 1
+:
diff --git a/tests/depcomp4.test b/tests/depcomp4.test
index 7d22894..29f63a0 100755
--- a/tests/depcomp4.test
+++ b/tests/depcomp4.test
@@ -51,7 +51,6 @@ $AUTOMAKE -a
 grep am_cv_CC_dependencies_compiler_type configure
 
 ./configure am_cv_CC_dependencies_compiler_type=makedepend
-$MAKE >output 2>&1
-cat output
-grep 'unknown directive' output && Exit 1
+run_CMD -e 0 -m $MAKE
+grep 'unknown directive' stdall && Exit 1
 $MAKE grepdeps
diff --git a/tests/depend5.test b/tests/depend5.test
index 0d9be3b..5f9379a 100755
--- a/tests/depend5.test
+++ b/tests/depend5.test
@@ -65,10 +65,7 @@ for arg in Makefile \
   "--file=$name"
 do
   rm -rf .deps _deps
-  ./config.status "$arg" depfiles >stdout 2>stderr ||
-    { cat stdout; cat stderr >&2; Exit 1; }
-  cat stdout
-  cat stderr >&2
+  run_CMD -e 0 ./config.status "$arg" depfiles
   grep '[Nn]o such file' stderr && Exit 1
 
   if test -n "$depdir"; then
diff --git a/tests/depend6.test b/tests/depend6.test
index de2adf9..ce3a6df 100755
--- a/tests/depend6.test
+++ b/tests/depend6.test
@@ -39,9 +39,6 @@ END
 $ACLOCAL
 $AUTOMAKE
 $AUTOCONF
-./configure --disable-dependency-tracking 2>stderr || {
-  stat=$?; cat stderr >&2; Exit $stat;
-}
-cat stderr >&2
-grep shift stderr && Exit 1
+run_CMD -e 0 ./configure --disable-dependency-tracking
+grep 'shift' stderr && Exit 1
 :
diff --git a/tests/discover.test b/tests/discover.test
index 36293f7..6e8bf37 100755
--- a/tests/discover.test
+++ b/tests/discover.test
@@ -34,5 +34,6 @@ END
 : > fsusage.c
 
 $ACLOCAL || Exit 1
-$AUTOMAKE 2>&1 | $FGREP fsusage.c || Exit 1
+run_CMD -e IGNORE -m $AUTOMAKE
+$FGREP fsusage.c stdall || Exit 1
 Exit 0
diff --git a/tests/distcom3.test b/tests/distcom3.test
index 04bf365..314c6eb 100755
--- a/tests/distcom3.test
+++ b/tests/distcom3.test
@@ -34,9 +34,8 @@ END
 $ACLOCAL
 
 # Should not warn about missing README, since it is a target.
-$AUTOMAKE --add-missing --gnu >stdout 2>&1
-cat stdout
-grep README stdout && Exit 1
+run_CMD -e 0 -m $AUTOMAKE --add-missing --gnu
+grep README stdall && Exit 1
 
 sed -n -e '/^DIST_COMMON =.*\\$/ {
    :loop
diff --git a/tests/fn99.test b/tests/fn99.test
index 982a989..6b45e15 100755
--- a/tests/fn99.test
+++ b/tests/fn99.test
@@ -47,8 +47,7 @@ do
   touch x
 done) || Exit 77
 
-$MAKE dist 2>stderr && { cat stderr >&2; Exit 1; }
-cat stderr >&2
+run_CMD -e FAIL $MAKE dist
 grep 'filenames are too long' stderr
 test 2 = `grep 12345678 stderr | wc -l`
 :
diff --git a/tests/fn99subdir.test b/tests/fn99subdir.test
index 465f2af..f9db1f5 100755
--- a/tests/fn99subdir.test
+++ b/tests/fn99subdir.test
@@ -73,8 +73,7 @@ do
   touch x
 done)
 
-$MAKE dist 2>stderr && { cat stderr >&2; Exit 1; }
-cat stderr >&2
+run_CMD -e FAIL $MAKE dist
 grep 'filenames are too long' stderr
 test 1 = `grep 12345678 stderr | wc -l`
 :
diff --git a/tests/gnits2.test b/tests/gnits2.test
index 4c5d54f..df9124c 100755
--- a/tests/gnits2.test
+++ b/tests/gnits2.test
@@ -105,6 +105,6 @@ cd build
 ../configure "--prefix=`pwd`/../inst-dir" --program-prefix=p
 $MAKE all
 $MAKE test-install
-$MAKE -k installcheck 2>stderr || : # Never trust the exit status of make -k.
-cat stderr
+# Never trust the exit status of make -k.
+run_CMD -e IGNORE $MAKE -k installcheck
 $MAKE grep-stderr
diff --git a/tests/gnits3.test b/tests/gnits3.test
index 7a08fb8..3a164bd 100755
--- a/tests/gnits3.test
+++ b/tests/gnits3.test
@@ -83,8 +83,8 @@ cd build
 ../configure "--prefix=`pwd`/../inst-dir" --program-prefix=p
 $MAKE
 $MAKE install
-$MAKE -k installcheck 2>stderr || : # Never trust the exit status of make -k.
-cat stderr
+# Never trust the exit status of make -k.
+run_CMD -e IGNORE $MAKE -k installcheck
 $MAKE grep-stderr
 
 # Make sure there is no more error when all targets are exempted.
diff --git a/tests/help.test b/tests/help.test
index d4d7110..0eefc52 100755
--- a/tests/help.test
+++ b/tests/help.test
@@ -32,7 +32,7 @@ $AUTOMAKE --version
 $AUTOMAKE --help
 
 # aclocal and automake cannot work without configure.ac or configure.in
-$ACLOCAL 2>stderr && { cat stderr >&2; Exit 1; }
+run_CMD -e 1 $ACLOCAL
 grep configure.ac stderr
 grep configure.in stderr
 AUTOMAKE_fails
diff --git a/tests/init.test b/tests/init.test
index 38ec681..f2a472c 100755
--- a/tests/init.test
+++ b/tests/init.test
@@ -27,7 +27,11 @@ AM_INIT_AUTOMAKE
 END
 
 # The error message should mension AC_INIT, not AC_PACKAGE_VERSION.
-($ACLOCAL && $AUTOCONF) 2>stderr && { cat stderr >&2; Exit 1; }
-cat stderr >&2
+run_CMD -e FAILURE $ACLOCAL || aclocal_success=yes
+mv stderr aclocal-stderr
+run_CMD -e FAILURE $AUTOCONF || autoconf_success=yes
+mv stderr autoconf-stderr
+test x"$aclocal_sucess#$autoconf_success" = x"yes#yes" && Exit 1
+cat aclocal-stderr autoconf-stderr > stderr
 grep AC_PACKAGE_VERSION stderr && Exit 1
 grep AC_INIT stderr
diff --git a/tests/instsh.test b/tests/instsh.test
index 61f5f9e..0b06c46 100755
--- a/tests/instsh.test
+++ b/tests/instsh.test
@@ -32,10 +32,9 @@ mv Makefile.am configure.in frob/
 cd frob
 
 $ACLOCAL
-$AUTOMAKE --add-missing > output 2>&1
+run_CMD -e 0 -m $AUTOMAKE --add-missing
 
 # Only one `/' should appear in the output.
-cat output
-grep '/.*/' output && Exit 1
+grep '/.*/' stdall && Exit 1
 
 test -f install-sh
diff --git a/tests/ldadd.test b/tests/ldadd.test
index 005f9d8..87200e5 100755
--- a/tests/ldadd.test
+++ b/tests/ldadd.test
@@ -39,5 +39,6 @@ END
 : > q.c
 
 $ACLOCAL || Exit 1
-$AUTOMAKE 2>&1 | grep LDADD || Exit 1
+run_CMD -e 1 -m $AUTOMAKE
+grep LDADD stdall || Exit 1
 Exit 0
diff --git a/tests/libtool7.test b/tests/libtool7.test
index a2f912f..dfaaa36 100755
--- a/tests/libtool7.test
+++ b/tests/libtool7.test
@@ -82,19 +82,16 @@ $AUTOCONF
 $AUTOMAKE --add-missing --copy
 
 ./configure "--prefix=`pwd`/_inst"
-env LIBTOOLFLAGS=--silent $MAKE print >output 2>&1
-cat output
-grep '1BEG: libmod1.la mod2.la :END1' output
-grep '2BEG: mod2.la :END2' output
-grep '3BEG: .*silent.*silent.* :END3' output
+run_CMD -e 0 -m env LIBTOOLFLAGS=--silent $MAKE print
+grep '1BEG: libmod1.la mod2.la :END1' stdall
+grep '2BEG: mod2.la :END2' stdall
+grep '3BEG: .*silent.*silent.* :END3' stdall
 test 2 -le `grep mod2_la_LIBTOOLFLAGS Makefile | wc -l`
 $MAKE
 
-env LIBTOOLFLAGS=--silent $MAKE install >output 2>&1
-cat output
-grep 'silent.*silent.*prg' output
-grep 'silent.*silent.*libmod1' output
+run_CMD -e 0 -m env LIBTOOLFLAGS=--silent $MAKE install
+grep 'silent.*silent.*prg' stdall
+grep 'silent.*silent.*libmod1' stdall
 
-env LIBTOOLFLAGS=--silent $MAKE uninstall >output 2>&1
-cat output
-grep 'silent.*silent.*libmod1' output
+run_CMD -e 0 -m env LIBTOOLFLAGS=--silent $MAKE uninstall
+grep 'silent.*silent.*libmod1' stdall
diff --git a/tests/libtool9.test b/tests/libtool9.test
index c0d9688..b46315d 100755
--- a/tests/libtool9.test
+++ b/tests/libtool9.test
@@ -88,10 +88,11 @@ $AUTOCONF
 $AUTOMAKE --add-missing --copy
 
 ./configure
-env LDFLAGS=ldflags AM_LDFLAGS=am_ldflags libmod1_la_LDFLAGS=lm1_la_ldflags \
+run_CMD -e 0 -m env \
+    LDFLAGS=ldflags AM_LDFLAGS=am_ldflags libmod1_la_LDFLAGS=lm1_la_ldflags \
     CFLAGS=cflags AM_CFLAGS=am_cflags prg2_CFLAGS=prg2_cflags \
-    $MAKE -e print >output 2>&1
-cat output
+    $MAKE -e print
+mv stdall output
 grep '1BEG: libmod1.la mod2.la :END1' output
 grep '2BEG: mod2.la :END2' output
 grep '3BEG:.* am_cflags cflags .*lm1_la_ldflags ldflags.* :END3' output
diff --git a/tests/lisp3.test b/tests/lisp3.test
index 809d491..4a94e0e 100755
--- a/tests/lisp3.test
+++ b/tests/lisp3.test
@@ -61,9 +61,8 @@ test -f am-one.elc
 unique=0a3346e2af8a689b85002b53df09142a
 $sleep
 echo "(message \"$unique\")(provide 'am-three)" > am-three.el
-$MAKE >output 2>&1
-cat output
-grep $unique output
+run_CMD -e 0 -m $MAKE
+grep $unique stdall
 
 # It should also work for VPATH-builds.
 $MAKE distcheck
diff --git a/tests/ltorder.test b/tests/ltorder.test
index 0f69211..52fcbbe 100755
--- a/tests/ltorder.test
+++ b/tests/ltorder.test
@@ -53,8 +53,7 @@ $AUTOMAKE --add-missing
 ./configure "--prefix=`pwd`/inst"
 
 $MAKE
-$MAKE install 2>stderr || { cat stderr >&2; Exit 1; }
-cat stderr >&2
+run_CMD -e 0 $MAKE install
 grep 'has not been installed' stderr && Exit 1
 
 $MAKE uninstall
diff --git a/tests/man4.test b/tests/man4.test
index aa86a9e..a6eaa66 100755
--- a/tests/man4.test
+++ b/tests/man4.test
@@ -88,11 +88,9 @@ mkdir build
 cd build
 ../configure
 $MAKE
-$MAKE dist 2>stderr && { cat stderr >&2; Exit 1; }
-cat stderr >&2
+run_CMD -e FAIL $MAKE dist
 grep 'install help2man' stderr
-$MAKE distcheck 2>stderr && { cat stderr >&2; Exit 1; }
-cat stderr >&2
+run_CMD -e FAIL $MAKE distcheck
 grep 'install help2man' stderr
 
 rm -f ../help2man
diff --git a/tests/mdate.test b/tests/mdate.test
index 704b393..0751f89 100755
--- a/tests/mdate.test
+++ b/tests/mdate.test
@@ -31,4 +31,5 @@ END
 : > texinfo.tex
 
 $ACLOCAL || Exit 1
-$AUTOMAKE 2>&1 > /dev/null | grep 'required file.*mdate-sh'
+run_CMD -e IGNORED $AUTOMAKE
+grep 'required file.*mdate-sh' stderr
diff --git a/tests/missing3.test b/tests/missing3.test
index 07ef779..d0b3c29 100755
--- a/tests/missing3.test
+++ b/tests/missing3.test
@@ -22,24 +22,24 @@ set -e
 
 # b7cb8259 assumed not to exist.
 
-./missing b7cb8259 --version 2>stderr && { cat stderr >&2; Exit 1; }
+run_CMD -e FAIL ./missing b7cb8259 --version
 grep . stderr && Exit 1
-./missing b7cb8259 --grep 2>stderr && { cat stderr >&2; Exit 1; }
+run_CMD -e FAIL ./missing b7cb8259 --grep
 grep WARNING stderr
 
-./missing --run b7cb8259 --version && Exit 1
-./missing --run b7cb8259 --grep 2>stderr && { cat stderr >&2; Exit 1; }
+run_CMD -e FAIL ./missing --run b7cb8259 --version
+run_CMD -e FAIL ./missing --run b7cb8259 --grep
 grep WARNING stderr
 
 # missing itself it known to exist :)
 
-./missing ./missing --version 2>stderr && { cat stderr >&2; Exit 1; }
+run_CMD -e FAIL ./missing ./missing --version
 grep . stderr && Exit 1
-./missing ./missing --grep 2>stderr && { cat stderr >&2; Exit 1; }
+run_CMD -e FAIL ./missing ./missing --grep
 grep WARNING stderr
 
-./missing --run ./missing --version 2>stderr
+run_CMD -e 0 ./missing --run ./missing --version
 grep . stderr && Exit 1
-./missing --run ./missing --grep 2>stderr && { cat stderr >&2; Exit 1; }
+run_CMD -e FAIL ./missing --run ./missing --grep
 grep WARNING stderr && Exit 1
 grep Unknown stderr
diff --git a/tests/missing4.test b/tests/missing4.test
index 1015828..2ac66da 100755
--- a/tests/missing4.test
+++ b/tests/missing4.test
@@ -36,13 +36,11 @@ cmp aclocal.m4 aclocal.tmp && Exit 1
 
 mv aclocal.tmp aclocal.m4
 
-$MAKE 2>stderr
-cat stderr
+run_CMD -e 0 $MAKE
 grep 'You have another version of autoconf' stderr
 grep -c 'aclocal.m4:.*this file was generated for' stderr
 
-$MAKE 2>stderr
-cat stderr
+run_CMD -e 0 $MAKE
 grep 'You have another version of autoconf' stderr && Exit 1
 grep 'aclocal.m4:.*this file was generated for' stderr && Exit 1
 
diff --git a/tests/missing6.test b/tests/missing6.test
index b63a0d1..096d904 100755
--- a/tests/missing6.test
+++ b/tests/missing6.test
@@ -31,7 +31,7 @@ rm -f configure.in
 touch Makefile.am
 
 $ACLOCAL
-$AUTOCONF 2>stderr
+run_CMD -e 0 $AUTOCONF
 grep 'You have another version of autoconf' stderr
 grep 'aclocal.m4:.*this file was generated for' stderr
 $AUTOMAKE
@@ -43,8 +43,7 @@ cmp configure.ac configure.tmp && Exit 1
 
 mv configure.tmp configure.ac
 
-$MAKE 2>stderr
-cat stderr
+run_CMD -e 0 $MAKE
 grep 'You have another version of autoconf' stderr
 grep 'aclocal.m4:.*this file was generated for autoconf 9999a' stderr
 
diff --git a/tests/obsolete.test b/tests/obsolete.test
index e6601c9..46222d2 100755
--- a/tests/obsolete.test
+++ b/tests/obsolete.test
@@ -27,7 +27,7 @@ END
 $PERL -ne '/AU_DEFUN\(\[(\w+)\]/ && print "$1\n"' \
     "$testsrcdir/../m4/obsolete.m4" >> obs
 cat obs >> configure.in
-$PERL -ne 'chomp; print "grep $_ stderr || Exit 1\n"; ' obs > obs.1
+$PERL -ne 'chomp; print "grep $_ stdall || Exit 1\n"; ' obs > obs.1
 $PERL -ne 'chomp; print "grep $_ configure.in && Exit 1\n"; ' obs > obs.2
 
 # Sanity check.  Make sure we have added something to configure.in.
@@ -36,7 +36,7 @@ test `cat configure.in | wc -l` -gt 1 || Exit 1
 $ACLOCAL || Exit 1
 
 # Expect Autoconf to complain about each of the macros in obs.
-$AUTOCONF -Wobsolete >stderr 2>&1
+run_CMD -e 0 -m $AUTOCONF -Wobsolete
 . ./obs.1
 # Make sure Autoupdate remove each of these macros.
 $AUTOUPDATE || Exit 1
diff --git a/tests/output-order.test b/tests/output-order.test
index 856baa2..cde0c64 100755
--- a/tests/output-order.test
+++ b/tests/output-order.test
@@ -43,13 +43,12 @@ END
 $ACLOCAL
 $AUTOCONF
 rm -f missing install-sh
-$AUTOMAKE --add-missing --copy 2>stderr
-cat stderr >&2
+run_CMD -e 0 $AUTOMAKE --add-missing --copy
+mv stderr stder0
 
 for i in 1 2 3 4 5 6; do
   rm -f missing install-sh INSTALL COPYING
+  run_CMD -e IGNORE $AUTOMAKE --add-missing --copy
   # The grep prevents a Heisenbug with the HP-UX shell and VERBOSE=yes.
-  $AUTOMAKE --add-missing --copy 2>&1 >/dev/null |
-  grep -v /dev/null |
-  diff - stderr
+  grep -v /dev/null stder0 | diff - stderr
 done
diff --git a/tests/pr220.test b/tests/pr220.test
index 25e1f0e..89272b6 100755
--- a/tests/pr220.test
+++ b/tests/pr220.test
@@ -55,6 +55,5 @@ $AUTOMAKE -a
 
 cd build
 # configure should fail since we've done something invalid.
-../configure 2>stderr && { cat stderr >&2; Exit 1; }
-cat stderr >&2
+run_CMD -e FAIL ../configure
 grep NEVER_TRUE stderr
diff --git a/tests/pr300-ltlib.test b/tests/pr300-ltlib.test
index 01814a9..3e606c4 100755
--- a/tests/pr300-ltlib.test
+++ b/tests/pr300-ltlib.test
@@ -48,8 +48,7 @@ $ACLOCAL
 $AUTOCONF
 $AUTOMAKE --copy --add-missing
 ./configure --prefix "`pwd`/inst"
-$MAKE V=1 >stdout
-cat stdout
+run_CMD -e 0 $MAKE V=1
 
 grep 'liba.la .*-rpath .*lib' stdout
 grep 'liba.la .*-rpath .*lib/subdir' stdout && Exit 1
@@ -58,8 +57,7 @@ grep 'libb.la .*-rpath .*lib/subdir' stdout
 test -f subdir/liba.la
 test -f subdir/libb.la
 
-$MAKE install 2>stderr
-cat stderr >&2
+run_CMD -e 0 $MAKE install
 grep 'remember.*--finish' stderr && Exit 1
 
 test -f inst/lib/liba.la
diff --git a/tests/python11.test b/tests/python11.test
index 0f15f37..af880bb 100755
--- a/tests/python11.test
+++ b/tests/python11.test
@@ -35,9 +35,7 @@ EOF
 $ACLOCAL
 $AUTOCONF
 
-./configure >stdout 2>stderr && { cat stdout; cat stderr >&2; Exit 1; }
-cat stdout
-cat stderr >&2
+run_CMD -e FAILURE ./configure
 grep 'checking for IShouldNotExist1' stdout
 grep 'checking for IShouldNotExist2' stdout
 grep 'no suitable Python interpreter found' stderr
diff --git a/tests/python4.test b/tests/python4.test
index 11bb3ed..efd23ce 100755
--- a/tests/python4.test
+++ b/tests/python4.test
@@ -33,6 +33,5 @@ $AUTOCONF
 $AUTOMAKE --add-missing
 
 # Simulate no Python
-./configure PYTHON=: 2>stderr && { cat stderr >&2; Exit 1; }
-cat stderr >&2
+run_CMD -e FAILURE ./configure PYTHON=:
 grep 'no suitable Python interpreter found' stderr
diff --git a/tests/python5.test b/tests/python5.test
index 86f5863..a508ac9 100755
--- a/tests/python5.test
+++ b/tests/python5.test
@@ -34,6 +34,5 @@ $ACLOCAL
 $AUTOCONF
 $AUTOMAKE --add-missing
 
-./configure 2>stderr && { cat stderr >&2; Exit 1; }
-cat stderr >&2
+run_CMD -e FAILURE ./configure
 grep 'no suitable Python interpreter found' stderr
diff --git a/tests/python6.test b/tests/python6.test
index eb4fb4d..c08833d 100755
--- a/tests/python6.test
+++ b/tests/python6.test
@@ -34,6 +34,5 @@ $AUTOCONF
 $AUTOMAKE --add-missing
 
 # Simulate no Python
-./configure PYTHON=: 2>stderr
-cat stderr
+run_CMD -e 0 ./configure PYTHON=:
 grep 'GREP ME:' stderr
diff --git a/tests/python7.test b/tests/python7.test
index 62c1a1b..4999e02 100755
--- a/tests/python7.test
+++ b/tests/python7.test
@@ -34,6 +34,5 @@ $ACLOCAL
 $AUTOCONF
 $AUTOMAKE --add-missing
 
-./configure 2>stderr
-cat stderr
+run_CMD -e 0 ./configure
 grep 'GREP ME:' stderr
diff --git a/tests/python8.test b/tests/python8.test
index a50af22..d8f0ebd 100755
--- a/tests/python8.test
+++ b/tests/python8.test
@@ -32,6 +32,5 @@ $ACLOCAL
 $AUTOCONF
 $AUTOMAKE --add-missing
 
-./configure 2>stderr
-cat stderr
+run_CMD -e 0 ./configure
 grep 'GREP ME' stderr
diff --git a/tests/python9.test b/tests/python9.test
index 9b23deb..70e0143 100755
--- a/tests/python9.test
+++ b/tests/python9.test
@@ -33,6 +33,5 @@ $ACLOCAL
 $AUTOCONF
 $AUTOMAKE --add-missing
 
-./configure 2>stderr
-cat stderr
+run_CMD -e 0 ./configure
 grep 'GREP ME' stderr
diff --git a/tests/sanity.test b/tests/sanity.test
index 1c96c78..a16a547 100755
--- a/tests/sanity.test
+++ b/tests/sanity.test
@@ -36,14 +36,12 @@ cp ../install-sh ../missing .
 $ACLOCAL
 $AUTOCONF
 $AUTOMAKE
-./configure 2>stderr && { cat stderr >&2; Exit 1; }
-cat stderr
+run_CMD -e FAILURE ./configure
 grep 'unsafe absolute working directory' stderr
 
 cd ..
 mkdir build
 cd build
-../unsafe$/configure 2>stderr && { cat stderr >&2; Exit 1; }
-cat stderr
+run_CMD -e FAILURE ../unsafe$/configure
 grep 'unsafe srcdir' stderr
 :
diff --git a/tests/subobj.test b/tests/subobj.test
index df297f4..5a67b54 100755
--- a/tests/subobj.test
+++ b/tests/subobj.test
@@ -32,8 +32,7 @@ wish_SOURCES = generic/a.c generic/b.c
 END
 
 $ACLOCAL
-$AUTOMAKE --add-missing 2>stderr
-cat stderr
+run_CMD -e 0 $AUTOMAKE --add-missing
 # Make sure compile is installed, and that Automake says so.
 grep 'install.*compile' stderr
 test -f compile
diff --git a/tests/subobj9.test b/tests/subobj9.test
index 99fe6e8..bf6ec37 100755
--- a/tests/subobj9.test
+++ b/tests/subobj9.test
@@ -74,8 +74,8 @@ if test -n "`./libtool --help | grep tag=TAG`"; then
 fi
 
 $MAKE
-$MAKE distcheck 2>&1 | tee out
+run_CMD -e 0 -m $MAKE distcheck
 # GNU Make used to complain that the Makefile contained two rules
 # for `src/.dirstamp' and `.//src/.dirstamp'.
-grep 'overriding commands' out && Exit 1
+grep 'overriding commands' stdall && Exit 1
 :
diff --git a/tests/unused.test b/tests/unused.test
index a5b4da6..d04762a 100755
--- a/tests/unused.test
+++ b/tests/unused.test
@@ -29,5 +29,5 @@ AC_DEFUN([MACRO_1_2], echo 12)
 AC_DEFUN([MACRO_1_2_3], echo 123)
 END
 
-$ACLOCAL 2> stderr || { cat stderr >&2; Exit 1; }
-test -z "`cat stderr`"
+run_CMD -e 0 $ACLOCAL
+test ! -s stderr
diff --git a/tests/vars3.test b/tests/vars3.test
index 3d10a90..d79cb08 100755
--- a/tests/vars3.test
+++ b/tests/vars3.test
@@ -38,8 +38,7 @@ EOF
 
 $ACLOCAL
 # Make sure this warning is print in the `portability' category.
-$AUTOMAKE --warnings=no-error,none,portability 2>stderr
-cat stderr
+run_CMD -e 0 $AUTOMAKE --warnings=no-error,none,portability
 
 # Lines number are printed in error message.
 # Use them to make sure errors are diagnosed against the right lines.
diff --git a/tests/version8.test b/tests/version8.test
index 91b11a0..fef8e2f 100755
--- a/tests/version8.test
+++ b/tests/version8.test
@@ -20,6 +20,5 @@
 
 set -e
 echo 'AM_AUTOMAKE_VERSION([1.9])' >>configure.in
-$ACLOCAL 2>stderr && { cat stderr >&2; Exit 0; }
-cat stderr >&2
+run_CMD -e 1 $ACLOCAL
 $FGREP 'AM_INIT_AUTOMAKE([1.9])' stderr
-- 
1.6.3.3

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