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[Automake-commit] [SCM] GNU Automake branch, experimental/ng/subdir-obje

From: Stefano Lattarini
Subject: [Automake-commit] [SCM] GNU Automake branch, experimental/ng/subdir-objects, updated. v1.12.1-301-g1d54b1f
Date: Thu, 07 Jun 2012 09:49:14 +0000 
This is an automated email from the git hooks/post-receive script. It was
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http://git.sv.gnu.org/gitweb/?p=automake.git;a=commitdiff;h=1d54b1f9b5fd521ccfe4326b673aef96977ea672

The branch, experimental/ng/subdir-objects has been updated
       via  1d54b1f9b5fd521ccfe4326b673aef96977ea672 (commit)
      from  91b720ecc90aa0f18bef882b9d8d4931dea9d277 (commit)

Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.

- Log -----------------------------------------------------------------
commit 1d54b1f9b5fd521ccfe4326b673aef96977ea672
Author: Stefano Lattarini <address@hidden>
Date:   Thu Jun 7 10:38:29 2012 +0200

    tests: remove explicit usages of the 'subdir-objects' option
    
    It is enabled unconditionally since the previous change.
    
    * Several tests: Adjust, extend, rework and simplify, as needed.
    * t/ax/depcomp-shuffle.sh, t/ax/depcomp.sh: Likewise.
    * t/subobj2.sh: Rename ...
    * t/subobj-cxx-grep.sh: ... to this, and adjust.
    * t/subobj.sh: Rename ...
    * t/subobj-c.sh: ... to this, and adjust.
    * t/subobj-cxx.sh: New test.
    
    Signed-off-by: Stefano Lattarini <address@hidden>

-----------------------------------------------------------------------

Summary of changes:
 t/amopts-variable-expansion.sh          |   11 ++++-
 t/ax/depcomp-shuffle.sh                 |    5 +--
 t/ax/depcomp.sh                         |    1 -
 t/ccnoco2.sh                            |    2 +-
 t/ccnoco3.sh                            |    1 -
 t/check8.sh                             |    1 -
 t/depcomp-recover.sh                    |    1 -
 t/depcomp-shuffle-sub-vpath.sh          |    2 +-
 t/depcomp-shuffle-sub.sh                |    2 +-
 t/depcomp-shuffle-vpath.sh              |    2 +-
 t/depcomp-shuffle.sh                    |    2 +-
 t/instdir-ltlib.sh                      |    1 -
 t/instdir-prog.sh                       |    1 -
 t/lex-subobj-nodep.sh                   |    5 +-
 t/lex5.sh                               |    9 +---
 t/libobj19.sh                           |    1 -
 t/libobj20b.sh                          |    1 -
 t/libobj20c.sh                          |    1 -
 t/libtool7.sh                           |    1 -
 t/parallel-am2.sh                       |    2 -
 t/pr224.sh                              |    1 -
 t/pr401.sh                              |    4 --
 t/pr401b.sh                             |    4 --
 t/pr401c.sh                             |    4 --
 t/repeated-options.sh                   |   48 +++-----------------
 t/silent-lex.sh                         |   26 +----------
 t/silent-many-gcc.sh                    |   74 ++++++++++---------------------
 t/silent-many-generic.sh                |   74 ++++++++++---------------------
 t/silent-yacc.sh                        |   37 +++------------
 t/silent.sh                             |   39 +++++-----------
 t/silent2.sh                            |   41 ++++++-----------
 t/silent3.sh                            |   38 +++++----------
 t/silent4.sh                            |   38 +++++----------
 t/silent9.sh                            |   40 ++++++-----------
 t/silentcxx-gcc.sh                      |   37 +++++++--------
 t/silentcxx.sh                          |   38 +++++++---------
 t/silentf77.sh                          |   28 +++++-------
 t/silentf90.sh                          |   28 +++++-------
 t/specflg-dummy.sh                      |    8 +---
 t/{subobj.sh => subobj-c.sh}            |    5 +-
 t/{subobj2.sh => subobj-cxx-grep.sh}    |   11 ++---
 t/{subobj.sh => subobj-cxx.sh}          |   42 ++++++++++--------
 t/subobj-libtool.sh                     |    1 -
 t/subobj10.sh                           |   22 ++++++---
 t/subobj11a.sh                          |    1 -
 t/subobj5.sh                            |    1 -
 t/subobj8.sh                            |    4 +-
 t/subobj9.sh                            |    6 +--
 t/suffix-custom-subobj.sh               |    1 -
 t/suffix13.sh                           |   12 +-----
 t/vala3.sh                              |   39 ++++------------
 t/warning-groups-win-over-strictness.sh |    5 +-
 t/warnings-override.sh                  |    8 +--
 t/warnings-precedence.sh                |    8 +--
 t/warnings-strictness-interactions.sh   |   10 ++---
 t/warnings-win-over-strictness.sh       |    9 +---
 t/yacc-d-cxx.sh                         |    1 -
 t/yacc-dist-nobuild-subdir.sh           |    4 +-
 t/yacc-subobj-nodep.sh                  |    8 +--
 t/yacc8.sh                              |    1 -
 60 files changed, 287 insertions(+), 571 deletions(-)
 copy t/{subobj.sh => subobj-c.sh} (95%)
 rename t/{subobj2.sh => subobj-cxx-grep.sh} (78%)
 rename t/{subobj.sh => subobj-cxx.sh} (77%)

diff --git a/t/amopts-variable-expansion.sh b/t/amopts-variable-expansion.sh
index 2c39df8..7ff3843 100755
--- a/t/amopts-variable-expansion.sh
+++ b/t/amopts-variable-expansion.sh
@@ -16,6 +16,7 @@
 
 # Check that AUTOMAKE_OPTIONS support variable expansion.
 
+am_create_testdir=empty
 . ./defs || Exit 1
 
 # We want complete control over automake options.
@@ -30,12 +31,12 @@ END
 
 cat > Makefile.am <<'END'
 # The following should expand to:
-#   subdir-objects -Wnone -Wno-error foreign -Wportability
+#   no-dependencies -Wnone -Wno-error foreign -Wextra-portability
 AUTOMAKE_OPTIONS = $(foo) foreign
 AUTOMAKE_OPTIONS += ${bar}
 foo = $(foo1)
 foo1 = ${foo2}
-foo2 = subdir-objects -Wnone
+foo2 = no-dependencies -Wnone
 foo2 += $(foo3)
 foo3 = -Wno-error
 bar = -Wportability
@@ -46,10 +47,16 @@ foo_SOURCES = sub/foo.c
 install:
 END
 
+: > compile
+: > missing
+: > install-sh
+
 $ACLOCAL
 AUTOMAKE_run
 grep '^Makefile\.am:.*sub/foo\.c.*requires.*AM_PROG_CC_C_O' stderr
 grep README stderr && Exit 1
 $EGREP '(install|override)' stderr && Exit 1
+test ! -f depcomp
+grep DEPDIR Makefile.in && Exit 1
 
 :
diff --git a/t/ax/depcomp-shuffle.sh b/t/ax/depcomp-shuffle.sh
index 56eb7a3..3e9f61b 100644
--- a/t/ax/depcomp-shuffle.sh
+++ b/t/ax/depcomp-shuffle.sh
@@ -74,10 +74,7 @@ echo AC_PROG_RANLIB                     >> configure.ac
 test -z "$xdir" || echo AM_PROG_CC_C_O  >> configure.ac
 echo AC_OUTPUT                          >> configure.ac
 
-if test -n "$xdir"; then
-  echo AUTOMAKE_OPTIONS = subdir-objects > Makefile.am
-fi
-cat >> Makefile.am <<END
+cat > Makefile.am <<END
 noinst_PROGRAMS = prg
 noinst_LIBRARIES = liber.a
 prg_SOURCES = ${xdir}main.c
diff --git a/t/ax/depcomp.sh b/t/ax/depcomp.sh
index 7e38e20..ffa7721 100644
--- a/t/ax/depcomp.sh
+++ b/t/ax/depcomp.sh
@@ -211,7 +211,6 @@ grep-test:
 END
 
 cat > src/Makefile.am <<END
-AUTOMAKE_OPTIONS = subdir-objects
 noinst_${LIBPRIMARY} = libbaz.$a
 # We include sub2foo only to be sure that the munging in depcomp
 # doesn't remove too much from the object file name.
diff --git a/t/ccnoco2.sh b/t/ccnoco2.sh
index b516291..6d4bf9c 100755
--- a/t/ccnoco2.sh
+++ b/t/ccnoco2.sh
@@ -15,7 +15,7 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 # Make sure Automake requires AM_PROG_CC_C_O when either per-targets
-# flags or subdir-objects are used.
+# flags or subdir objects are used.
 
 . ./defs || Exit 1
 
diff --git a/t/ccnoco3.sh b/t/ccnoco3.sh
index eb291ec..5069a7c 100755
--- a/t/ccnoco3.sh
+++ b/t/ccnoco3.sh
@@ -27,7 +27,6 @@ AC_OUTPUT
 END
 
 cat > Makefile.am << 'END'
-AUTOMAKE_OPTIONS = subdir-objects
 bin_PROGRAMS = wish
 wish_SOURCES = a.c
 END
diff --git a/t/check8.sh b/t/check8.sh
index 9e0c0ff..b50a512 100755
--- a/t/check8.sh
+++ b/t/check8.sh
@@ -27,7 +27,6 @@ AC_OUTPUT
 END
 
 cat > Makefile.am << 'END'
-AUTOMAKE_OPTIONS = subdir-objects
 TESTS = foo sub/foo $(check_PROGRAMS)
 XFAIL_TESTS = foo sub/baz
 check_PROGRAMS = bar sub/bar baz sub/baz
diff --git a/t/depcomp-recover.sh b/t/depcomp-recover.sh
index c8747cd..a93319c 100755
--- a/t/depcomp-recover.sh
+++ b/t/depcomp-recover.sh
@@ -55,7 +55,6 @@ echo 'int foo (void);' > foo.h
 
 mkdir sub sub/src
 cat > sub/Makefile.am <<'END'
-AUTOMAKE_OPTIONS = subdir-objects
 noinst_PROGRAMS = foo
 foo_SOURCES = src/main.c src/foo.c src/foo.h
 END
diff --git a/t/depcomp-shuffle-sub-vpath.sh b/t/depcomp-shuffle-sub-vpath.sh
index 67f7c19..223008f 100755
--- a/t/depcomp-shuffle-sub-vpath.sh
+++ b/t/depcomp-shuffle-sub-vpath.sh
@@ -16,7 +16,7 @@
 
 # Dependency tracking in the face of added/removed/renamed files.
 #  - VPATH build
-#  - use of subdir-objects
+#  - use of subdir objects
 
 . ./defs-static || exit '99'
 xdir='sub' vpath='yes'
diff --git a/t/depcomp-shuffle-sub.sh b/t/depcomp-shuffle-sub.sh
index a2bbf2f..57abf0c 100755
--- a/t/depcomp-shuffle-sub.sh
+++ b/t/depcomp-shuffle-sub.sh
@@ -16,7 +16,7 @@
 
 # Dependency tracking in the face of added/removed/renamed files.
 #  - in-tree build
-#  - use of subdir-objects
+#  - use of subdir objects
 
 . ./defs-static || exit '99'
 xdir='sub' vpath='no'
diff --git a/t/depcomp-shuffle-vpath.sh b/t/depcomp-shuffle-vpath.sh
index 2686a54..ea8cbda 100755
--- a/t/depcomp-shuffle-vpath.sh
+++ b/t/depcomp-shuffle-vpath.sh
@@ -16,7 +16,7 @@
 
 # Dependency tracking in the face of added/removed/renamed files.
 #  - VPATH build
-#  - no use of subdir-objects
+#  - no use of subdir objects
 
 . ./defs-static || exit '99'
 xdir='' vpath='yes'
diff --git a/t/depcomp-shuffle.sh b/t/depcomp-shuffle.sh
index e812608..3a284db 100755
--- a/t/depcomp-shuffle.sh
+++ b/t/depcomp-shuffle.sh
@@ -16,7 +16,7 @@
 
 # Dependency tracking in the face of added/removed/renamed files.
 #  - in-tree build
-#  - no use of subdir-objects
+#  - no use of subdir objects
 
 . ./defs-static || exit '99'
 xdir='' vpath='no'
diff --git a/t/instdir-ltlib.sh b/t/instdir-ltlib.sh
index 5e1a31f..1234f49 100755
--- a/t/instdir-ltlib.sh
+++ b/t/instdir-ltlib.sh
@@ -33,7 +33,6 @@ END
 mkdir sub
 
 cat >Makefile.am <<'END'
-AUTOMAKE_OPTIONS = subdir-objects
 bin_PROGRAMS = p
 nobase_bin_PROGRAMS = np sub/np
 lib_LTIBRARIES = libfoo.la
diff --git a/t/instdir-prog.sh b/t/instdir-prog.sh
index 179041a..bef6374 100755
--- a/t/instdir-prog.sh
+++ b/t/instdir-prog.sh
@@ -33,7 +33,6 @@ END
 mkdir sub
 
 cat >Makefile.am <<'END'
-AUTOMAKE_OPTIONS = subdir-objects
 bin_PROGRAMS = p
 nobase_bin_PROGRAMS = np sub/np
 lib_LIBRARIES = libfoo.a
diff --git a/t/lex-subobj-nodep.sh b/t/lex-subobj-nodep.sh
index 44c9776..f2c9626 100755
--- a/t/lex-subobj-nodep.sh
+++ b/t/lex-subobj-nodep.sh
@@ -14,8 +14,8 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-# Ensure subdirs for subdir scanners are generated when subdir-objects
-# are used, even when dependency tracking is disabled.
+# Ensure subdirs for subdir scanners are generated, even when dependency
+# tracking is disabled.
 
 required='cc lex'
 . ./defs || Exit 1
@@ -28,7 +28,6 @@ AC_OUTPUT
 END
 
 cat >Makefile.am <<\END
-AUTOMAKE_OPTIONS = subdir-objects
 bin_PROGRAMS = p1 p2
 p1_SOURCES = sub1/s1.l
 p2_SOURCES = sub2/s2.l
diff --git a/t/lex5.sh b/t/lex5.sh
index 624ad2a..350ac3b 100755
--- a/t/lex5.sh
+++ b/t/lex5.sh
@@ -27,10 +27,8 @@ AC_OUTPUT
 END
 
 cat > Makefile.am << 'END'
-AUTOMAKE_OPTIONS  = subdir-objects
-LDADD             = @LEXLIB@
-
-bin_PROGRAMS    = foo/foo
+LDADD = @LEXLIB@
+bin_PROGRAMS = foo/foo
 foo_foo_SOURCES = foo/foo.l
 END
 
@@ -44,8 +42,7 @@ cat > foo/foo.l << 'END'
 "END"   return EOF;
 .
 %%
-int
-main ()
+int main (void)
 {
   while (yylex () != EOF)
     ;
diff --git a/t/libobj19.sh b/t/libobj19.sh
index 8105727..5301e37 100755
--- a/t/libobj19.sh
+++ b/t/libobj19.sh
@@ -30,7 +30,6 @@ AC_OUTPUT
 END
 
 cat > Makefile.am << 'END'
-AUTOMAKE_OPTIONS = subdir-objects
 noinst_LIBRARIES = libtu.a
 libtu_a_SOURCES =
 libtu_a_LIBADD = $(LIBOBJS)
diff --git a/t/libobj20b.sh b/t/libobj20b.sh
index f8ca600..f0cae5d 100755
--- a/t/libobj20b.sh
+++ b/t/libobj20b.sh
@@ -31,7 +31,6 @@ AC_OUTPUT
 END
 
 cat > Makefile.am << 'END'
-AUTOMAKE_OPTIONS = subdir-objects
 noinst_LIBRARIES = libtu.a
 libtu_a_SOURCES =
 libtu_a_LIBADD = $(LIBOBJS)
diff --git a/t/libobj20c.sh b/t/libobj20c.sh
index 7ae51bf..f914148 100755
--- a/t/libobj20c.sh
+++ b/t/libobj20c.sh
@@ -27,7 +27,6 @@ AC_LIBOBJ([foobar])
 END
 
 cat > Makefile.am << 'END'
-AUTOMAKE_OPTIONS = subdir-objects
 noinst_LIBRARIES = libtu.a
 libtu_a_SOURCES =
 libtu_a_LIBADD = $(LIBOBJS)
diff --git a/t/libtool7.sh b/t/libtool7.sh
index bc8eaca..d18d2d3 100755
--- a/t/libtool7.sh
+++ b/t/libtool7.sh
@@ -29,7 +29,6 @@ AC_OUTPUT
 END
 
 cat > Makefile.am << 'END'
-AUTOMAKE_OPTIONS = subdir-objects
 AM_LIBTOOLFLAGS = --silent
 lib_LTLIBRARIES = libmod1.la mod2.la
 libmod1_la_SOURCES = sub/mod1.c
diff --git a/t/parallel-am2.sh b/t/parallel-am2.sh
index a8ee1b9..2636756 100755
--- a/t/parallel-am2.sh
+++ b/t/parallel-am2.sh
@@ -26,7 +26,6 @@ required=perl-threads
 mkdir sub
 
 cat > Makefile.am << 'END'
-AUTOMAKE_OPTIONS = subdir-objects
 bin_PROGRAMS = main
 main_SOURCES = sub/main.c
 SUBDIRS =
@@ -38,7 +37,6 @@ for i in $list; do
   echo "SUBDIRS += sub$i" >> Makefile.am
   mkdir sub$i sub$i/sub
   unindent > sub$i/Makefile.am << END
-    AUTOMAKE_OPTIONS = subdir-objects
     bin_PROGRAMS = sub$i
     sub${i}_SOURCES = sub/main$i.c
 END
diff --git a/t/pr224.sh b/t/pr224.sh
index 51e3c17..ef44cdd 100755
--- a/t/pr224.sh
+++ b/t/pr224.sh
@@ -36,7 +36,6 @@ int main (void)
 EOF
 
 cat >Makefile.am <<'EOF'
-AUTOMAKE_OPTIONS = subdir-objects
 bin_PROGRAMS = bar
 bar_SOURCES = foo/main.c
 EOF
diff --git a/t/pr401.sh b/t/pr401.sh
index 7e8c491..0a0cbcd 100755
--- a/t/pr401.sh
+++ b/t/pr401.sh
@@ -115,8 +115,6 @@ SUBDIRS = src
 EOF
 
 cat > src/Makefile.am <<'EOF'
-AUTOMAKE_OPTIONS = subdir-objects
-
 noinst_LIBRARIES = libfeep.a
 libfeep_a_SOURCES =
 libfeep_a_LIBADD = $(LIBOBJS)
@@ -148,8 +146,6 @@ sed 's/^.*src\/Makefile.*$//' configure.ac >configure.int
 mv -f configure.int configure.ac
 
 cat >Makefile.am <<'EOF'
-AUTOMAKE_OPTIONS = subdir-objects
-
 noinst_LIBRARIES = lib/libfeep.a
 lib_libfeep_a_SOURCES =
 lib_libfeep_a_LIBADD = $(LIBOBJS)
diff --git a/t/pr401b.sh b/t/pr401b.sh
index 6f49b1f..f41dde9 100755
--- a/t/pr401b.sh
+++ b/t/pr401b.sh
@@ -117,8 +117,6 @@ SUBDIRS = src
 EOF
 
 cat > src/Makefile.am <<'EOF'
-AUTOMAKE_OPTIONS = subdir-objects
-
 noinst_LTLIBRARIES = libfeep.la
 libfeep_la_SOURCES =
 libfeep_la_LIBADD = $(LTLIBOBJS)
@@ -150,8 +148,6 @@ sed 's/^.*src\/Makefile.*$//' configure.ac >configure.int
 mv -f configure.int configure.ac
 
 cat >Makefile.am <<'EOF'
-AUTOMAKE_OPTIONS = subdir-objects
-
 noinst_LTLIBRARIES = lib/libfeep.la
 lib_libfeep_la_SOURCES =
 lib_libfeep_la_LIBADD = $(LTLIBOBJS)
diff --git a/t/pr401c.sh b/t/pr401c.sh
index ea2f03d..c2fc06e 100755
--- a/t/pr401c.sh
+++ b/t/pr401c.sh
@@ -118,8 +118,6 @@ SUBDIRS = src
 EOF
 
 cat > src/Makefile.am <<'EOF'
-AUTOMAKE_OPTIONS = subdir-objects
-
 noinst_LIBRARIES = libfeep.a
 libfeep_a_SOURCES =
 libfeep_a_LIBADD = $(ALLOCA) $(LIBOBJS) # Add LIBOBJS for fun.
@@ -151,8 +149,6 @@ sed 's/^.*src\/Makefile.*$//' configure.ac >configure.int
 mv -f configure.int configure.ac
 
 cat >Makefile.am <<'EOF'
-AUTOMAKE_OPTIONS = subdir-objects
-
 noinst_LIBRARIES = lib/libfeep.a
 lib_libfeep_a_SOURCES =
 lib_libfeep_a_LIBADD = $(ALLOCA)
diff --git a/t/repeated-options.sh b/t/repeated-options.sh
index 8ad5765..e48a60f 100755
--- a/t/repeated-options.sh
+++ b/t/repeated-options.sh
@@ -17,65 +17,31 @@
 # Check that automake does not complain on repeated options, nor
 # generate broken or incorrect makefiles.
 
-required='cc bzip2'
+required=bzip2
 . ./defs || Exit 1
 
 cat >configure.ac <<END
 AC_INIT([$me], [1.0])
-AM_INIT_AUTOMAKE([foreign dist-bzip2 no-dist-gzip no-dist-gzip dist-bzip2])
+AM_INIT_AUTOMAKE([foreign foreign dist-bzip2 no-dist-gzip dist-bzip2])
 AC_PROG_CC
-AM_PROG_CC_C_O
 AC_CONFIG_FILES([Makefile])
 AC_OUTPUT
 END
 
 cat > Makefile.am <<'END'
-AUTOMAKE_OPTIONS = parallel-tests subdir-objects subdir-objects
-AUTOMAKE_OPTIONS += dist-bzip2 parallel-tests
-TESTS = foo.test
-EXTRA_DIST = $(TESTS)
-TESTS_ENVIRONMENT = EXEEXT='$(EXEEXT)'
-bin_PROGRAMS = sub/foo
-.PHONY: test-build
-test-build:
-       ls -l . sub
-       test -f sub/foo.$(OBJEXT)
-       test -f sub/foo$(EXEEXT)
+AUTOMAKE_OPTIONS = no-dist-gzip no-dist-gzip dist-bzip2
+AUTOMAKE_OPTIONS += dist-bzip2 foreign
 END
 
-mkdir sub
-
-cat > foo.test <<'END'
-#!/bin/sh
-test -f sub/foo$EXEEXT && test -x sub/foo$EXEEXT
-END
-chmod a+x foo.test
-
-cat > sub/foo.c <<'END'
-int main (void)
-{
-  return 0;
-}
-END
-
-cp "$am_scriptdir"/compile "$am_scriptdir"/test-driver .
-
 $ACLOCAL
-$AUTOMAKE --foreign --foreign -Wall 2>stderr || { cat stderr >&2; Exit 1; }
-test -s stderr && { cat stderr >&2; Exit 1; }
-rm -f stderr
 $AUTOCONF
+$AUTOMAKE --foreign --foreign -Wall 2>stderr && test ! -s stderr \
+  || { cat stderr >&2; Exit 1; }
 
 ./configure
+
 $MAKE
-$MAKE test-build
-$MAKE check
-ls -l
-test -f foo.log
-test -f test-suite.log
-$MAKE clean
 $MAKE distcheck
-ls -l
 test -f $me-1.0.tar.bz2
 test ! -r $me-1.0.tar.gz
 
diff --git a/t/silent-lex.sh b/t/silent-lex.sh
index fa9623c..a663961 100755
--- a/t/silent-lex.sh
+++ b/t/silent-lex.sh
@@ -19,12 +19,9 @@
 required='cc lex'
 . ./defs || Exit 1
 
-mkdir sub
-
 cat >>configure.ac <<'EOF'
 AM_PROG_CC_C_O
 AC_PROG_LEX
-AC_CONFIG_FILES([sub/Makefile])
 AC_OUTPUT
 EOF
 
@@ -35,18 +32,6 @@ foo1_SOURCES = foo.l
 foo2_SOURCES = $(foo1_SOURCES)
 foo2_LFLAGS = -n
 foo2_CFLAGS = $(AM_CFLAGS)
-SUBDIRS = sub
-LDADD = $(LEXLIB)
-EOF
-
-cat > sub/Makefile.am <<'EOF'
-AUTOMAKE_OPTIONS = subdir-objects
-# Need generic and non-generic rules.
-bin_PROGRAMS = bar1 bar2
-bar1_SOURCES = bar.l
-bar2_SOURCES = $(bar1_SOURCES)
-bar2_LFLAGS = -n
-bar2_CFLAGS = $(AM_CFLAGS)
 LDADD = $(LEXLIB)
 EOF
 
@@ -62,7 +47,6 @@ cat > foo.l <<'EOF'
 int yywrap (void) { return 1; }
 int   main (void) { return 0; }
 EOF
-cp foo.l sub/bar.l
 
 $ACLOCAL
 $AUTOMAKE --add-missing
@@ -70,7 +54,6 @@ $AUTOCONF
 
 # Ensure per-target rules are used, to ensure their coverage below.
 $FGREP 'foo2-foo.c' Makefile.in || Exit 99
-$FGREP 'bar2-bar.c' sub/Makefile.in || Exit 99
 
 ./configure --enable-silent-rules
 
@@ -81,13 +64,9 @@ $EGREP ' (-c|-o)' stdout && Exit 1
 $EGREP '(mv|ylwrap) ' stdout && Exit 1
 
 grep 'LEX .*foo\.' stdout
-grep 'LEX .*bar\.' stdout
 grep ' CC .*foo\.' stdout
-grep ' CC .*bar\.' stdout
 grep 'CCLD .*foo1' stdout
-grep 'CCLD .*bar1' stdout
 grep 'CCLD .*foo2' stdout
-grep 'CCLD .*bar2' stdout
 
 # Cleaning and then rebuilding with the same V flag (and without
 # removing the generated sources in between) shouldn't trigger a
@@ -102,15 +81,12 @@ $EGREP '(mv|ylwrap) ' stdout && Exit 1
 
 # Don't look for LEX, as probably lex hasn't been re-run.
 grep ' CC .*foo\.' stdout
-grep ' CC .*bar\.' stdout
 grep 'CCLD .*foo1' stdout
-grep 'CCLD .*bar1' stdout
 grep 'CCLD .*foo2' stdout
-grep 'CCLD .*bar2' stdout
 
 # Ensure a truly clean rebuild.
 $MAKE clean
-rm -f *foo.c sub/*bar.c
+rm -f *foo.c
 
 $MAKE V=1 >stdout || { cat stdout; Exit 1; }
 cat stdout
diff --git a/t/silent-many-gcc.sh b/t/silent-many-gcc.sh
index 8ad0720..f6eabbe 100755
--- a/t/silent-many-gcc.sh
+++ b/t/silent-many-gcc.sh
@@ -42,27 +42,20 @@ do_and_check_silent_build ()
   $EGREP ' (-c|-o)' stdout && Exit 1
   $EGREP '(mv|ylwrap) ' stdout && Exit 1
 
+  grep ' CC .*bar\.'  stdout
   grep 'CXX .*foo1\.' stdout
-  grep 'CXX .*baz1\.' stdout
-  grep 'FC .*foo2\.'  stdout
-  grep 'FC .*baz2\.'  stdout
+  grep ' FC .*foo2\.' stdout
   grep 'F77 .*foo3\.' stdout
-  grep 'F77 .*baz3\.' stdout
   grep ' CC .*foo5\.' stdout
-  grep ' CC .*baz5\.' stdout
   grep ' CC .*foo6\.' stdout
-  grep ' CC .*baz6\.' stdout
 
   grep 'CXXLD .*foo' stdout
-  grep 'CCLD .*bar'  stdout
+  grep ' CCLD .*bar' stdout
   grep 'CXXLD .*baz' stdout
-  grep 'CCLD .*bla'  stdout
 
   if $rebuild; then :; else
     grep 'YACC .*foo6\.' stdout
-    grep 'YACC .*baz6\.' stdout
     grep 'LEX .*foo5\.'  stdout
-    grep 'LEX .*baz5\.'  stdout
   fi
 
   unset rebuild
@@ -92,8 +85,6 @@ do_and_check_verbose_build ()
   unset rebuild
 }
 
-mkdir sub
-
 cat >>configure.ac <<'EOF'
 AM_PROG_CC_C_O
 AC_PROG_CXX
@@ -101,46 +92,37 @@ AC_PROG_F77
 AC_PROG_FC
 AC_PROG_LEX
 AC_PROG_YACC
-AC_CONFIG_FILES([sub/Makefile])
 AC_OUTPUT
 EOF
 
 cat > Makefile.am <<'EOF'
 # Need generic and non-generic rules.
-bin_PROGRAMS = foo bar fo2
+bin_PROGRAMS = foo bar baz
 bar_CFLAGS = $(AM_CFLAGS)
 foo_SOURCES = foo1.cpp foo2.f90 foo3.f foo5.l foo6.y
-fo2_SOURCES = $(foo_SOURCES)
-fo2_CPPFLAGS = $(AM_CPPFLAGS)
-fo2_FFLAGS = $(AM_FFLAGS)
-fo2_FCFLAGS = $(AM_FCFLAGS)
-fo2_YFLAGS = -v
-fo2_LFLAGS = -n
-SUBDIRS = sub
+baz_SOURCES = $(foo_SOURCES)
+baz_CPPFLAGS = $(AM_CPPFLAGS)
+baz_FFLAGS = $(AM_FFLAGS)
+baz_FCFLAGS = $(AM_FCFLAGS)
+baz_YFLAGS = -v
+baz_LFLAGS = -n
 AM_YFLAGS = -d
 LDADD = $(LEXLIB)
 BUILT_SOURCES = foo6.h
 EOF
 
-cat > sub/Makefile.am <<'EOF'
-AUTOMAKE_OPTIONS = subdir-objects
-# Need generic and non-generic rules.
-bin_PROGRAMS = baz bla ba2
-bla_CFLAGS = $(AM_CFLAGS)
-baz_SOURCES = baz1.cpp baz2.f90 baz3.f baz5.l baz6.y
-ba2_SOURCES = $(baz_SOURCES)
-ba2_CPPFLAGS = $(AM_CPPFLAGS)
-ba2_FFLAGS = $(AM_FFLAGS)
-ba2_FCFLAGS = $(AM_FCFLAGS)
-ba2_YFLAGS = -v
-ba2_LFLAGS = -n
-AM_YFLAGS = -d
-LDADD = $(LEXLIB)
-BUILT_SOURCES = baz6.h
+cat > bar.c <<'EOF'
+/* Valid C, invalid C++. */
+int main (void)
+{
+  int new = 0;
+  return new;
+}
 EOF
-
 cat > foo1.cpp <<'EOF'
-int main ()
+/* Valid C++, invalid C. */
+using namespace std;
+int main (void)
 {
   return 0;
 }
@@ -177,14 +159,6 @@ void yyerror (char *s) {}
 %%
 fubar : 'f' 'o' 'o' 'b' 'a' 'r' EOF {};
 EOF
-cp foo1.cpp bar.c
-cp foo1.cpp sub/baz.c
-cp foo1.cpp sub/bla.c
-cp foo1.cpp sub/baz1.cpp
-cp foo2.f90 sub/baz2.f90
-cp foo3.f sub/baz3.f
-cp foo5.l sub/baz5.l
-cp foo6.y sub/baz6.y
 
 $ACLOCAL
 $AUTOMAKE --add-missing
@@ -196,9 +170,9 @@ $FGREP am_cv_CC_dependencies_compiler_type configure
 $FGREP am_cv_CXX_dependencies_compiler_type configure
 # Ensure per-target rules are used, to ensure their coverage below.
 # (We do not do an exhaustive check, that wouldn't be practical).
-$FGREP 'bar-bar.o' Makefile.in
-$FGREP 'fo2-foo5.c' Makefile.in
-$FGREP 'fo2-foo6.c' Makefile.in
+$FGREP 'bar-bar.o'  Makefile.in || Exit 99
+$FGREP 'baz-foo5.c' Makefile.in || Exit 99
+$FGREP 'baz-foo6.c' Makefile.in || Exit 99
 
 # Force gcc ("fast") depmode.
 depmodes="am_cv_CC_dependencies_compiler_type=gcc \
@@ -222,7 +196,7 @@ do
   $MAKE clean
   # This is required, since these files are not removed by 'make clean'
   # (as dictated by the GNU Coding Standards).
-  rm -f *foo5.c *foo6.[ch] sub/*baz5.c sub/*baz6.[ch]
+  rm -f *foo5.c *foo6.[ch]
 
   do_and_check_verbose_build
   # Cleaning and then rebuilding with the same V flag (and without
diff --git a/t/silent-many-generic.sh b/t/silent-many-generic.sh
index cd37672..a6b4a1e 100755
--- a/t/silent-many-generic.sh
+++ b/t/silent-many-generic.sh
@@ -43,27 +43,20 @@ do_and_check_silent_build ()
   $EGREP ' (-c|-o)' stdout && Exit 1
   $EGREP '(mv|ylwrap) ' stdout && Exit 1
 
+  grep ' CC .*bar\.'  stdout
   grep 'CXX .*foo1\.' stdout
-  grep 'CXX .*baz1\.' stdout
-  grep 'FC .*foo2\.'  stdout
-  grep 'FC .*baz2\.'  stdout
+  grep ' FC .*foo2\.' stdout
   grep 'F77 .*foo3\.' stdout
-  grep 'F77 .*baz3\.' stdout
   grep ' CC .*foo5\.' stdout
-  grep ' CC .*baz5\.' stdout
   grep ' CC .*foo6\.' stdout
-  grep ' CC .*baz6\.' stdout
 
   grep 'CXXLD .*foo' stdout
-  grep 'CCLD .*bar'  stdout
+  grep ' CCLD .*bar' stdout
   grep 'CXXLD .*baz' stdout
-  grep 'CCLD .*bla'  stdout
 
   if $rebuild; then :; else
     grep 'YACC .*foo6\.' stdout
-    grep 'YACC .*baz6\.' stdout
     grep 'LEX .*foo5\.'  stdout
-    grep 'LEX .*baz5\.'  stdout
   fi
 
   unset rebuild
@@ -93,8 +86,6 @@ do_and_check_verbose_build ()
   unset rebuild
 }
 
-mkdir sub
-
 cat >>configure.ac <<'EOF'
 AM_PROG_CC_C_O
 AC_PROG_F77
@@ -128,46 +119,37 @@ case " $CXX " in
     CXX=am--cxx
 esac
 
-AC_CONFIG_FILES([sub/Makefile])
 AC_OUTPUT
 EOF
 
 cat > Makefile.am <<'EOF'
 # Need generic and non-generic rules.
-bin_PROGRAMS = foo bar fo2
+bin_PROGRAMS = foo bar baz
 bar_CFLAGS = $(AM_CFLAGS)
 foo_SOURCES = foo1.cpp foo2.f90 foo3.f foo5.l foo6.y
-fo2_SOURCES = $(foo_SOURCES)
-fo2_CPPFLAGS = $(AM_CPPFLAGS)
-fo2_FFLAGS = $(AM_FFLAGS)
-fo2_FCFLAGS = $(AM_FCFLAGS)
-fo2_YFLAGS = -v
-fo2_LFLAGS = -n
-SUBDIRS = sub
+baz_SOURCES = $(foo_SOURCES)
+baz_CPPFLAGS = $(AM_CPPFLAGS)
+baz_FFLAGS = $(AM_FFLAGS)
+baz_FCFLAGS = $(AM_FCFLAGS)
+baz_YFLAGS = -v
+baz_LFLAGS = -n
 AM_YFLAGS = -d
 LDADD = $(LEXLIB)
 BUILT_SOURCES = foo6.h
 EOF
 
-cat > sub/Makefile.am <<'EOF'
-AUTOMAKE_OPTIONS = subdir-objects
-# Need generic and non-generic rules.
-bin_PROGRAMS = baz bla ba2
-bla_CFLAGS = $(AM_CFLAGS)
-baz_SOURCES = baz1.cpp baz2.f90 baz3.f baz5.l baz6.y
-ba2_SOURCES = $(baz_SOURCES)
-ba2_CPPFLAGS = $(AM_CPPFLAGS)
-ba2_FFLAGS = $(AM_FFLAGS)
-ba2_FCFLAGS = $(AM_FCFLAGS)
-ba2_YFLAGS = -v
-ba2_LFLAGS = -n
-AM_YFLAGS = -d
-LDADD = $(LEXLIB)
-BUILT_SOURCES = baz6.h
+cat > bar.c <<'EOF'
+/* Valid C, invalid C++. */
+int main (void)
+{
+  int new = 0;
+  return new;
+}
 EOF
-
 cat > foo1.cpp <<'EOF'
-int main ()
+/* Valid C++, invalid C. */
+using namespace std;
+int main (void)
 {
   return 0;
 }
@@ -204,14 +186,6 @@ void yyerror (char *s) {}
 %%
 fubar : 'f' 'o' 'o' 'b' 'a' 'r' EOF {};
 EOF
-cp foo1.cpp bar.c
-cp foo1.cpp sub/baz.c
-cp foo1.cpp sub/bla.c
-cp foo1.cpp sub/baz1.cpp
-cp foo2.f90 sub/baz2.f90
-cp foo3.f sub/baz3.f
-cp foo5.l sub/baz5.l
-cp foo6.y sub/baz6.y
 
 mkdir bin
 saved_PATH=$PATH; export saved_PATH
@@ -223,9 +197,9 @@ $AUTOCONF
 
 # Ensure per-target rules are used, to ensure their coverage below.
 # (We do not do an exhaustive check, that wouldn't be practical).
-$FGREP 'bar-bar.o' Makefile.in
-$FGREP 'fo2-foo5.c' Makefile.in
-$FGREP 'fo2-foo6.c' Makefile.in
+$FGREP 'bar-bar.o'  Makefile.in || Exit 99
+$FGREP 'baz-foo5.c' Makefile.in || Exit 99
+$FGREP 'baz-foo6.c' Makefile.in || Exit 99
 
 # Force dependency tracking explicitly, so that slow dependency
 # extractors are not rejected.  Try also with dependency tracking
@@ -247,7 +221,7 @@ do
   $MAKE clean
   # This is required, since these files are not removed by 'make clean'
   # (as dictated by the GNU Coding Standards).
-  rm -f *foo5.c *foo6.[ch] sub/*baz5.c sub/*baz6.[ch]
+  rm -f *foo5.c *foo6.[ch]
 
   do_and_check_verbose_build
   # Cleaning and then rebuilding with the same V flag (and without
diff --git a/t/silent-yacc.sh b/t/silent-yacc.sh
index 4b493b5..9a075fc 100755
--- a/t/silent-yacc.sh
+++ b/t/silent-yacc.sh
@@ -20,12 +20,9 @@
 required='cc yacc'
 . ./defs || Exit 1
 
-mkdir sub
-
 cat >>configure.ac <<'EOF'
 AM_PROG_CC_C_O
 AC_PROG_YACC
-AC_CONFIG_FILES([sub/Makefile])
 AC_OUTPUT
 EOF
 
@@ -36,17 +33,6 @@ foo1_SOURCES = foo.y
 foo2_SOURCES = $(foo1_SOURCES)
 foo2_YFLAGS = -v
 foo2_CFLAGS = $(AM_CPPFLAGS)
-SUBDIRS = sub
-EOF
-
-cat > sub/Makefile.am <<'EOF'
-AUTOMAKE_OPTIONS = subdir-objects
-# Need generic and non-generic rules.
-bin_PROGRAMS = bar1 bar2
-bar1_SOURCES = bar.y
-bar2_SOURCES = $(bar1_SOURCES)
-bar2_YFLAGS = -v
-bar2_CFLAGS = $(AM_CPPFLAGS)
 EOF
 
 cat > foo.y <<'EOF'
@@ -59,7 +45,6 @@ int main (void) { return 0; }
 %%
 fubar : 'f' 'o' 'o' 'b' 'a' 'r' EOF {};
 EOF
-cp foo.y sub/bar.y
 
 $ACLOCAL
 $AUTOMAKE --add-missing
@@ -67,7 +52,6 @@ $AUTOCONF
 
 # Ensure per-target rules are used, to ensure their coverage below.
 $FGREP 'foo2-foo.c' Makefile.in || Exit 99
-$FGREP 'bar2-bar.c' sub/Makefile.in || Exit 99
 
 ./configure --enable-silent-rules
 
@@ -78,13 +62,9 @@ $EGREP ' (-c|-o)' stdout && Exit 1
 $EGREP '(mv|ylwrap) ' stdout && Exit 1
 
 grep 'YACC .*foo\.' stdout
-grep 'YACC .*bar\.' stdout
-grep ' CC .*foo\.' stdout
-grep ' CC .*bar\.' stdout
-grep 'CCLD .*foo1' stdout
-grep 'CCLD .*bar1' stdout
-grep 'CCLD .*foo2' stdout
-grep 'CCLD .*bar2' stdout
+grep '  CC .*foo\.' stdout
+grep 'CCLD .*foo1'  stdout
+grep 'CCLD .*foo2'  stdout
 
 # Cleaning and then rebuilding with the same V flag (and without
 # removing the generated sources in between) shouldn't trigger a
@@ -98,16 +78,13 @@ $EGREP ' (-c|-o)' stdout && Exit 1
 $EGREP '(mv|ylwrap) ' stdout && Exit 1
 
 # Don't look for YACC, as probably yacc hasn't been re-run.
-grep ' CC .*foo\.' stdout
-grep ' CC .*bar\.' stdout
-grep 'CCLD .*foo1' stdout
-grep 'CCLD .*bar1' stdout
-grep 'CCLD .*foo2' stdout
-grep 'CCLD .*bar2' stdout
+grep '  CC .*foo\.' stdout
+grep 'CCLD .*foo1'  stdout
+grep 'CCLD .*foo2'  stdout
 
 # Ensure a truly clean rebuild.
 $MAKE clean
-rm -f *foo.[ch] sub/*bar.[ch]
+rm -f *foo.[ch]
 
 $MAKE V=1 >stdout || { cat stdout; Exit 1; }
 cat stdout
diff --git a/t/silent.sh b/t/silent.sh
index 3cdbaff..f736c3b 100755
--- a/t/silent.sh
+++ b/t/silent.sh
@@ -24,7 +24,6 @@ required=cc
 mkdir sub
 
 cat >>configure.ac <<'EOF'
-AC_CONFIG_FILES([sub/Makefile])
 AC_PROG_CC
 AM_PROG_CC_C_O
 AC_OUTPUT
@@ -32,24 +31,12 @@ EOF
 
 cat > Makefile.am <<'EOF'
 # Need generic and non-generic rules.
-bin_PROGRAMS = foo bar
+bin_PROGRAMS = foo bar sub/baz sub/bla
 bar_CFLAGS = $(AM_CFLAGS)
-SUBDIRS = sub
+sub_bla_CFLAGS = $(AM_CFLAGS)
 EOF
 
-cat > sub/Makefile.am <<'EOF'
-AUTOMAKE_OPTIONS = subdir-objects
-# Need generic and non-generic rules.
-bin_PROGRAMS = baz bla
-bla_CFLAGS = $(AM_CFLAGS)
-EOF
-
-cat > foo.c <<'EOF'
-int main ()
-{
-  return 0;
-}
-EOF
+echo 'int main (void) { return 0; }' > foo.c
 cp foo.c bar.c
 cp foo.c sub/baz.c
 cp foo.c sub/bla.c
@@ -61,22 +48,22 @@ $AUTOCONF
 ./configure --enable-silent-rules
 $MAKE >stdout || { cat stdout; Exit 1; }
 cat stdout
-$EGREP ' (-c|-o)' stdout && Exit 1
-grep 'mv ' stdout && Exit 1
-grep 'CC    .*foo\.' stdout
-grep 'CC .*bar\.' stdout
-grep 'CC .*baz\.' stdout
-grep 'CC .*bla\.' stdout
-grep 'CCLD .*foo' stdout
-grep 'CCLD .*bar' stdout
-grep 'CCLD .*baz' stdout
-grep 'CCLD .*bla' stdout
+$EGREP ' (-c|-o)|(mv|mkdir) '   stdout && Exit 1
+grep ' CC  *foo\.o'             stdout
+grep ' CC  *bar-bar\.o'         stdout
+grep ' CC  *sub/baz\.o'         stdout
+grep ' CC  *sub/sub_bla-bla\.o' stdout
+grep ' CCLD  *foo'              stdout
+grep ' CCLD  *bar'              stdout
+grep ' CCLD  *sub/baz'          stdout
+grep ' CCLD  *sub/bla'          stdout
 
 $MAKE clean
 $MAKE V=1 >stdout || { cat stdout; Exit 1; }
 cat stdout
 grep ' -c' stdout
 grep ' -o foo' stdout
+grep ' -o sub/baz' stdout
 $EGREP '(CC|LD) ' stdout && Exit 1
 
 :
diff --git a/t/silent2.sh b/t/silent2.sh
index 6270104..ee5fc01 100755
--- a/t/silent2.sh
+++ b/t/silent2.sh
@@ -16,7 +16,7 @@
 
 # Check silent-rules mode, without libtool, non-fastdep case
 # (so that, with GCC, we also cover the other code paths in depend2).
-
+ 
 # Please keep this file in sync with silent.test.
 
 required=gcc
@@ -25,7 +25,6 @@ required=gcc
 mkdir sub
 
 cat >>configure.ac <<'EOF'
-AC_CONFIG_FILES([sub/Makefile])
 AC_PROG_CC
 AM_PROG_CC_C_O
 AC_OUTPUT
@@ -33,24 +32,12 @@ EOF
 
 cat > Makefile.am <<'EOF'
 # Need generic and non-generic rules.
-bin_PROGRAMS = foo bar
+bin_PROGRAMS = foo bar sub/baz sub/bla
 bar_CFLAGS = $(AM_CFLAGS)
-SUBDIRS = sub
+sub_bla_CFLAGS = $(AM_CFLAGS)
 EOF
 
-cat > sub/Makefile.am <<'EOF'
-AUTOMAKE_OPTIONS = subdir-objects
-# Need generic and non-generic rules.
-bin_PROGRAMS = baz bla
-bla_CFLAGS = $(AM_CFLAGS)
-EOF
-
-cat > foo.c <<'EOF'
-int main ()
-{
-  return 0;
-}
-EOF
+echo 'int main (void) { return 0; }' > foo.c
 cp foo.c bar.c
 cp foo.c sub/baz.c
 cp foo.c sub/bla.c
@@ -62,22 +49,22 @@ $AUTOCONF
 ./configure am_cv_CC_dependencies_compiler_type=gcc --enable-silent-rules
 $MAKE >stdout || { cat stdout; Exit 1; }
 cat stdout
-$EGREP ' (-c|-o)' stdout && Exit 1
-grep 'mv ' stdout && Exit 1
-grep 'CC .*foo\.' stdout
-grep 'CC .*bar\.' stdout
-grep 'CC .*baz\.' stdout
-grep 'CC .*bla\.' stdout
-grep 'CCLD .*foo' stdout
-grep 'CCLD .*bar' stdout
-grep 'CCLD .*baz' stdout
-grep 'CCLD .*bla' stdout
+$EGREP ' (-c|-o)|(mv|mkdir) '   stdout && Exit 1
+grep ' CC  *foo\.o'             stdout
+grep ' CC  *bar-bar\.o'         stdout
+grep ' CC  *sub/baz\.o'         stdout
+grep ' CC  *sub/sub_bla-bla\.o' stdout
+grep ' CCLD  *foo'              stdout
+grep ' CCLD  *bar'              stdout
+grep ' CCLD  *sub/baz'          stdout
+grep ' CCLD  *sub/bla'          stdout
 
 $MAKE clean
 $MAKE V=1 >stdout || { cat stdout; Exit 1; }
 cat stdout
 grep ' -c' stdout
 grep ' -o foo' stdout
+grep ' -o sub/baz' stdout
 $EGREP '(CC|LD) ' stdout && Exit 1
 
 :
diff --git a/t/silent3.sh b/t/silent3.sh
index cb3c629..325c7e7 100755
--- a/t/silent3.sh
+++ b/t/silent3.sh
@@ -24,7 +24,6 @@ required='cc libtoolize'
 mkdir sub
 
 cat >>configure.ac <<'EOF'
-AC_CONFIG_FILES([sub/Makefile])
 AC_PROG_CC
 AM_PROG_AR
 AM_PROG_CC_C_O
@@ -34,24 +33,13 @@ EOF
 
 cat > Makefile.am <<'EOF'
 # Need generic and non-generic rules.
-lib_LTLIBRARIES = libfoo.la libbar.la
+lib_LTLIBRARIES = libfoo.la libbar.la sub/libbaz.la sub/libbla.la
 libbar_la_CFLAGS = $(AM_CFLAGS)
-SUBDIRS = sub
-EOF
-
-cat > sub/Makefile.am <<'EOF'
-AUTOMAKE_OPTIONS = subdir-objects
 # Need generic and non-generic rules.
-lib_LTLIBRARIES = libbaz.la libbla.la
-libbla_la_CFLAGS = $(AM_CFLAGS)
+sub_libbla_la_CFLAGS = $(AM_CFLAGS)
 EOF
 
-cat > libfoo.c <<'EOF'
-int main ()
-{
-  return 0;
-}
-EOF
+echo 'int main (void) { return 0; }' > libfoo.c
 cp libfoo.c libbar.c
 cp libfoo.c sub/libbaz.c
 cp libfoo.c sub/libbla.c
@@ -64,22 +52,22 @@ $AUTOCONF
 ./configure --enable-silent-rules
 $MAKE >stdout || { cat stdout; Exit 1; }
 cat stdout
-$EGREP ' (-c|-o)' stdout && Exit 1
-grep 'mv ' stdout && Exit 1
-grep ' CC .*foo\.' stdout
-grep ' CC .*bar\.' stdout
-grep ' CC .*baz\.' stdout
-grep ' CC .*bla\.' stdout
-grep ' CCLD .*foo' stdout
-grep ' CCLD .*bar' stdout
-grep ' CCLD .*baz' stdout
-grep ' CCLD .*bla' stdout
+$EGREP ' (-c|-o)|(mv|mkdir) '             stdout && Exit 1
+grep ' CC  *libfoo\.lo'                   stdout
+grep ' CC  *libbar_la-libbar\.lo'         stdout
+grep ' CC  *sub/libbaz\.lo'               stdout
+grep ' CC  *sub/sub_libbla_la-libbla\.lo' stdout
+grep ' CCLD  *libfoo\.la'                 stdout
+grep ' CCLD  *libbar\.la'                 stdout
+grep ' CCLD  *sub/libbaz\.la'             stdout
+grep ' CCLD  *sub/libbla\.la'             stdout
 
 $MAKE clean
 $MAKE V=1 >stdout || { cat stdout; Exit 1; }
 cat stdout
 grep ' -c' stdout
 grep ' -o libfoo' stdout
+grep ' -o sub/libbaz' stdout
 # The libtool command line can contain e.g. a '--tag=CC' option.
 sed 's/--tag=[^ ]*/--tag=x/g' stdout | $EGREP '(CC|LD) ' && Exit 1
 
diff --git a/t/silent4.sh b/t/silent4.sh
index a44c718..eccb341 100755
--- a/t/silent4.sh
+++ b/t/silent4.sh
@@ -25,7 +25,6 @@ required="libtoolize gcc"
 mkdir sub
 
 cat >>configure.ac <<'EOF'
-AC_CONFIG_FILES([sub/Makefile])
 AC_PROG_CC
 AM_PROG_AR
 AM_PROG_CC_C_O
@@ -35,24 +34,13 @@ EOF
 
 cat > Makefile.am <<'EOF'
 # Need generic and non-generic rules.
-lib_LTLIBRARIES = libfoo.la libbar.la
+lib_LTLIBRARIES = libfoo.la libbar.la sub/libbaz.la sub/libbla.la
 libbar_la_CFLAGS = $(AM_CFLAGS)
-SUBDIRS = sub
-EOF
-
-cat > sub/Makefile.am <<'EOF'
-AUTOMAKE_OPTIONS = subdir-objects
 # Need generic and non-generic rules.
-lib_LTLIBRARIES = libbaz.la libbla.la
-libbla_la_CFLAGS = $(AM_CFLAGS)
+sub_libbla_la_CFLAGS = $(AM_CFLAGS)
 EOF
 
-cat > libfoo.c <<'EOF'
-int main ()
-{
-  return 0;
-}
-EOF
+echo 'int main (void) { return 0; }' > libfoo.c
 cp libfoo.c libbar.c
 cp libfoo.c sub/libbaz.c
 cp libfoo.c sub/libbla.c
@@ -65,22 +53,22 @@ $AUTOCONF
 ./configure am_cv_CC_dependencies_compiler_type=gcc --enable-silent-rules
 $MAKE >stdout || { cat stdout; Exit 1; }
 cat stdout
-$EGREP ' (-c|-o)' stdout && Exit 1
-grep 'mv ' stdout && Exit 1
-grep ' CC .*foo\.' stdout
-grep ' CC .*bar\.' stdout
-grep ' CC .*baz\.' stdout
-grep ' CC .*bla\.' stdout
-grep ' CCLD .*foo' stdout
-grep ' CCLD .*bar' stdout
-grep ' CCLD .*baz' stdout
-grep ' CCLD .*bla' stdout
+$EGREP ' (-c|-o)|(mv|mkdir) '             stdout && Exit 1
+grep ' CC  *libfoo\.lo'                   stdout
+grep ' CC  *libbar_la-libbar\.lo'         stdout
+grep ' CC  *sub/libbaz\.lo'               stdout
+grep ' CC  *sub/sub_libbla_la-libbla\.lo' stdout
+grep ' CCLD  *libfoo\.la'                 stdout
+grep ' CCLD  *libbar\.la'                 stdout
+grep ' CCLD  *sub/libbaz\.la'             stdout
+grep ' CCLD  *sub/libbla\.la'             stdout
 
 $MAKE clean
 $MAKE V=1 >stdout || { cat stdout; Exit 1; }
 cat stdout
 grep ' -c' stdout
 grep ' -o libfoo' stdout
+grep ' -o sub/libbaz' stdout
 # The libtool command line can contain e.g. a '--tag=CC' option.
 sed 's/--tag=[^ ]*/--tag=x/g' stdout | $EGREP '(CC|LD) ' && Exit 1
 
diff --git a/t/silent9.sh b/t/silent9.sh
index 9b311c6..6c23c9f 100755
--- a/t/silent9.sh
+++ b/t/silent9.sh
@@ -24,34 +24,22 @@ required='cc libtoolize'
 mkdir sub
 
 cat >>configure.ac <<'EOF'
-AC_CONFIG_FILES([sub/Makefile])
 AC_PROG_CC
-AM_PROG_CC_C_O
 AM_PROG_AR
+AM_PROG_CC_C_O
 AC_PROG_LIBTOOL
 AC_OUTPUT
 EOF
 
 cat > Makefile.am <<'EOF'
 # Need generic and non-generic rules.
-lib_LTLIBRARIES = libfoo.la libbar.la
+lib_LTLIBRARIES = libfoo.la libbar.la sub/libbaz.la sub/libbla.la
 libbar_la_CFLAGS = $(AM_CFLAGS)
-SUBDIRS = sub
-EOF
-
-cat > sub/Makefile.am <<'EOF'
-AUTOMAKE_OPTIONS = subdir-objects
 # Need generic and non-generic rules.
-lib_LTLIBRARIES = libbaz.la libbla.la
-libbla_la_CFLAGS = $(AM_CFLAGS)
+sub_libbla_la_CFLAGS = $(AM_CFLAGS)
 EOF
 
-cat > libfoo.c <<'EOF'
-int main ()
-{
-  return 0;
-}
-EOF
+echo 'int main (void) { return 0; }' > libfoo.c
 cp libfoo.c libbar.c
 cp libfoo.c sub/libbaz.c
 cp libfoo.c sub/libbla.c
@@ -64,22 +52,22 @@ $AUTOCONF
 ./configure --disable-dependency-tracking --enable-silent-rules
 $MAKE >stdout || { cat stdout; Exit 1; }
 cat stdout
-$EGREP ' (-c|-o)' stdout && Exit 1
-grep 'mv ' stdout && Exit 1
-grep ' CC .*foo\.' stdout
-grep ' CC .*bar\.' stdout
-grep ' CC .*baz\.' stdout
-grep ' CC .*bla\.' stdout
-grep ' CCLD .*foo' stdout
-grep ' CCLD .*bar' stdout
-grep ' CCLD .*baz' stdout
-grep ' CCLD .*bla' stdout
+$EGREP ' (-c|-o)|(mv|mkdir) '             stdout && Exit 1
+grep ' CC  *libfoo\.lo'                   stdout
+grep ' CC  *libbar_la-libbar\.lo'         stdout
+grep ' CC  *sub/libbaz\.lo'               stdout
+grep ' CC  *sub/sub_libbla_la-libbla\.lo' stdout
+grep ' CCLD  *libfoo\.la'                 stdout
+grep ' CCLD  *libbar\.la'                 stdout
+grep ' CCLD  *sub/libbaz\.la'             stdout
+grep ' CCLD  *sub/libbla\.la'             stdout
 
 $MAKE clean
 $MAKE V=1 >stdout || { cat stdout; Exit 1; }
 cat stdout
 grep ' -c' stdout
 grep ' -o libfoo' stdout
+grep ' -o sub/libbaz' stdout
 # The libtool command line can contain e.g. a '--tag=CC' option.
 sed 's/--tag=[^ ]*/--tag=x/g' stdout | $EGREP '(CC|LD) ' && Exit 1
 
diff --git a/t/silentcxx-gcc.sh b/t/silentcxx-gcc.sh
index fff3f91..35f01be 100755
--- a/t/silentcxx-gcc.sh
+++ b/t/silentcxx-gcc.sh
@@ -25,31 +25,23 @@ mkdir sub
 
 cat >>configure.ac <<'EOF'
 AC_PROG_CXX
-AC_CONFIG_FILES([sub/Makefile])
 AC_OUTPUT
 EOF
 
 cat > Makefile.am <<'EOF'
 # Need generic and non-generic rules.
-bin_PROGRAMS = foo1 foo2
+bin_PROGRAMS = foo1 foo2 bar1 bar2
 foo1_SOURCES = foo.cpp baz.cxx quux.cc
 foo2_SOURCES = $(foo1_SOURCES)
 foo2_CXXFLAGS = $(AM_CXXFLAGS)
-SUBDIRS = sub
-EOF
-
-cat > sub/Makefile.am <<'EOF'
-AUTOMAKE_OPTIONS = subdir-objects
-# Need generic and non-generic rules.
-bin_PROGRAMS = bar1 bar2
-bar1_SOURCES = bar.cpp
+bar1_SOURCES = sub/bar.cpp
 bar2_SOURCES = $(bar1_SOURCES)
 bar2_CXXFLAGS = $(AM_CXXFLAGS)
 EOF
 
 cat > foo.cpp <<'EOF'
 using namespace std; /* C compilers fail on this. */
-int main() { return 0; }
+int main (void) { return 0; }
 EOF
 
 # Let's try out other extensions too.
@@ -79,14 +71,18 @@ do
   $EGREP ' (-c|-o)' stdout && Exit 1
   grep 'mv ' stdout && Exit 1
 
-  grep 'CXX .*foo\.'  stdout
-  grep 'CXX .*baz\.'  stdout
-  grep 'CXX .*quux\.' stdout
-  grep 'CXX .*bar\.'  stdout
-  grep 'CXXLD .*foo1' stdout
-  grep 'CXXLD .*bar1' stdout
-  grep 'CXXLD .*foo2' stdout
-  grep 'CXXLD .*bar2' stdout
+  grep ' CXX  *foo\.o'          stdout
+  grep ' CXX  *baz\.o'          stdout
+  grep ' CXX  *quux\.o'         stdout
+  grep ' CXX  *foo2-foo\.o'     stdout
+  grep ' CXX  *foo2-baz\.o'     stdout
+  grep ' CXX  *foo2-quux\.o'    stdout
+  grep ' CXX  *sub/bar\.o'      stdout
+  grep ' CXX  *sub/bar2-bar\.o' stdout
+  grep ' CXXLD  *foo1'          stdout
+  grep ' CXXLD  *bar1'          stdout
+  grep ' CXXLD  *foo2'          stdout
+  grep ' CXXLD  *bar2'          stdout
 
   # Ensure a clean rebuild.
   $MAKE clean
@@ -95,7 +91,8 @@ do
   cat stdout
 
   grep ' -c ' stdout
-  grep ' -o ' stdout
+  grep ' -o quux' stdout
+  grep ' -o bar2' stdout
 
   $EGREP '(CC|CXX|LD) ' stdout && Exit 1
 
diff --git a/t/silentcxx.sh b/t/silentcxx.sh
index cc111d3..5090483 100755
--- a/t/silentcxx.sh
+++ b/t/silentcxx.sh
@@ -14,11 +14,10 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-# Check silent-rules mode for C++.
 # This test should work with generic C++ compilers; keep it in sync with
 # sister test 'silentcxx-gcc.test', which requires the GNU C++ compiler
 # and forces the use of gcc depmode.
-
+ 
 required=c++
 . ./defs || Exit 1
 
@@ -26,24 +25,16 @@ mkdir sub
 
 cat >>configure.ac <<'EOF'
 AC_PROG_CXX
-AC_CONFIG_FILES([sub/Makefile])
 AC_OUTPUT
 EOF
 
 cat > Makefile.am <<'EOF'
 # Need generic and non-generic rules.
-bin_PROGRAMS = foo1 foo2
+bin_PROGRAMS = foo1 foo2 bar1 bar2
 foo1_SOURCES = foo.cpp baz.cxx quux.cc
 foo2_SOURCES = $(foo1_SOURCES)
 foo2_CXXFLAGS = $(AM_CXXFLAGS)
-SUBDIRS = sub
-EOF
-
-cat > sub/Makefile.am <<'EOF'
-AUTOMAKE_OPTIONS = subdir-objects
-# Need generic and non-generic rules.
-bin_PROGRAMS = bar1 bar2
-bar1_SOURCES = bar.cpp
+bar1_SOURCES = sub/bar.cpp
 bar2_SOURCES = $(bar1_SOURCES)
 bar2_CXXFLAGS = $(AM_CXXFLAGS)
 EOF
@@ -80,14 +71,18 @@ do
   $EGREP ' (-c|-o)' stdout && Exit 1
   grep 'mv ' stdout && Exit 1
 
-  grep 'CXX .*foo\.'  stdout
-  grep 'CXX .*baz\.'  stdout
-  grep 'CXX .*quux\.' stdout
-  grep 'CXX .*bar\.'  stdout
-  grep 'CXXLD .*foo1' stdout
-  grep 'CXXLD .*bar1' stdout
-  grep 'CXXLD .*foo2' stdout
-  grep 'CXXLD .*bar2' stdout
+  grep ' CXX  *foo\.o'          stdout
+  grep ' CXX  *baz\.o'          stdout
+  grep ' CXX  *quux\.o'         stdout
+  grep ' CXX  *foo2-foo\.o'     stdout
+  grep ' CXX  *foo2-baz\.o'     stdout
+  grep ' CXX  *foo2-quux\.o'    stdout
+  grep ' CXX  *sub/bar\.o'      stdout
+  grep ' CXX  *sub/bar2-bar\.o' stdout
+  grep ' CXXLD  *foo1'          stdout
+  grep ' CXXLD  *bar1'          stdout
+  grep ' CXXLD  *foo2'          stdout
+  grep ' CXXLD  *bar2'          stdout
 
   # Ensure a clean rebuild.
   $MAKE clean
@@ -96,7 +91,8 @@ do
   cat stdout
 
   grep ' -c ' stdout
-  grep ' -o ' stdout
+  grep ' -o quux' stdout
+  grep ' -o bar2' stdout
 
   $EGREP '(CXX|LD) ' stdout && Exit 1
 
diff --git a/t/silentf77.sh b/t/silentf77.sh
index 87fbc23..0b8846e 100755
--- a/t/silentf77.sh
+++ b/t/silentf77.sh
@@ -24,25 +24,17 @@ mkdir sub
 
 cat >>configure.ac <<'EOF'
 AC_PROG_F77
-AC_CONFIG_FILES([sub/Makefile])
 AC_OUTPUT
 EOF
 
 cat > Makefile.am <<'EOF'
 # Need generic and non-generic rules.
-bin_PROGRAMS = foo1 foo2
+bin_PROGRAMS = foo1 foo2 sub/bar1 bar2
 foo1_SOURCES = foo.f
 foo2_SOURCES = $(foo1_SOURCES)
 foo2_FFLAGS = $(AM_FFLAGS)
-SUBDIRS = sub
-EOF
-
-cat > sub/Makefile.am <<'EOF'
-AUTOMAKE_OPTIONS = subdir-objects
-# Need generic and non-generic rules.
-bin_PROGRAMS = bar1 bar2
-bar1_SOURCES = bar.f
-bar2_SOURCES = $(bar1_SOURCES)
+sub_bar1_SOURCES = sub/bar.f
+bar2_SOURCES = $(sub_bar1_SOURCES)
 bar2_FFLAGS = $(AM_FFLAGS)
 EOF
 
@@ -68,12 +60,14 @@ cat stdout
 $EGREP ' (-c|-o)' stdout && Exit 1
 grep 'mv ' stdout && Exit 1
 
-grep 'F77 .*foo\.'  stdout
-grep 'F77 .*bar\.'  stdout
-grep 'F77LD .*foo1' stdout
-grep 'F77LD .*bar1' stdout
-grep 'F77LD .*foo2' stdout
-grep 'F77LD .*bar2' stdout
+grep ' F77  *foo\.'          stdout
+grep ' F77  *foo2-foo\.'     stdout
+grep ' F77  *sub/bar\.'      stdout
+grep ' F77  *sub/bar2-bar\.' stdout
+grep ' F77LD  *foo1'         stdout
+grep ' F77LD  *foo2'         stdout
+grep ' F77LD  *sub/bar1'     stdout
+grep ' F77LD  *bar2'         stdout
 
 $EGREP '(FC|FCLD) ' stdout && Exit 1
 
diff --git a/t/silentf90.sh b/t/silentf90.sh
index 65a35ed..3466b8a 100755
--- a/t/silentf90.sh
+++ b/t/silentf90.sh
@@ -24,25 +24,17 @@ mkdir sub
 
 cat >>configure.ac <<'EOF'
 AC_PROG_FC
-AC_CONFIG_FILES([sub/Makefile])
 AC_OUTPUT
 EOF
 
 cat > Makefile.am <<'EOF'
 # Need generic and non-generic rules.
-bin_PROGRAMS = foo1 foo2
+bin_PROGRAMS = foo1 foo2 sub/bar1 bar2
 foo1_SOURCES = foo.f90
 foo2_SOURCES = $(foo1_SOURCES)
 foo2_FCFLAGS = $(AM_FCLAGS)
-SUBDIRS = sub
-EOF
-
-cat > sub/Makefile.am <<'EOF'
-AUTOMAKE_OPTIONS = subdir-objects
-# Need generic and non-generic rules.
-bin_PROGRAMS = bar1 bar2
-bar1_SOURCES = bar.f90
-bar2_SOURCES = $(bar1_SOURCES)
+sub_bar1_SOURCES = sub/bar.f90
+bar2_SOURCES = $(sub_bar1_SOURCES)
 bar2_FCFLAGS = $(AM_FCLAGS)
 EOF
 
@@ -68,12 +60,14 @@ cat stdout
 $EGREP ' (-c|-o)' stdout && Exit 1
 grep 'mv ' stdout && Exit 1
 
-grep 'FC .*foo\.'  stdout
-grep 'FC .*bar\.'  stdout
-grep 'FCLD .*foo1' stdout
-grep 'FCLD .*bar1' stdout
-grep 'FCLD .*foo2' stdout
-grep 'FCLD .*bar2' stdout
+grep ' FC  *foo\.'          stdout
+grep ' FC  *foo2-foo\.'     stdout
+grep ' FC  *sub/bar\.'      stdout
+grep ' FC  *sub/bar2-bar\.' stdout
+grep ' FCLD  *foo1'         stdout
+grep ' FCLD  *foo2'         stdout
+grep ' FCLD  *sub/bar1'     stdout
+grep ' FCLD  *bar2'         stdout
 
 $EGREP '(F77|F77LD) ' stdout && Exit 1
 
diff --git a/t/specflg-dummy.sh b/t/specflg-dummy.sh
index 1486f4c..47a1c21 100755
--- a/t/specflg-dummy.sh
+++ b/t/specflg-dummy.sh
@@ -226,17 +226,13 @@ $AUTOMAKE -a
 do_check
 
 sed '
+
   s|^\(.*\)_SOURCES *= *|sub_\1_SOURCES = srcsub/|
   s|^\(.*\)PROGRAMS *+= *|\1PROGRAMS += sub/|
   s|^\(.*\)LIBRARIES *+= *|\1LIBRARIES += sub/|
   s|^\(.*\)FLAGS *=|sub_\1FLAGS =|
-' Makefile.am > t
-
-cat - t > Makefile.am <<'END'
-AUTOMAKE_OPTIONS = subdir-objects
-END
 
-rm -f t
+' Makefile.am > t && mv -f t Makefile.am
 
 # For debugging.
 cat Makefile.am
diff --git a/t/subobj.sh b/t/subobj-c.sh
similarity index 95%
copy from t/subobj.sh
copy to t/subobj-c.sh
index 1265a43..0bbeb2b 100755
--- a/t/subobj.sh
+++ b/t/subobj-c.sh
@@ -14,7 +14,8 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-# Test of subdir objects with C.
+# Test subdir objects with C, building both a library and an executable.
+# Keep in sync with sister test 'subobj-cxx.sh'.
 
 required=cc
 . ./defs || Exit 1
@@ -28,7 +29,6 @@ AC_OUTPUT
 END
 
 cat > Makefile.am << 'END'
-AUTOMAKE_OPTIONS = subdir-objects
 bin_PROGRAMS = progs/wish
 lib_LIBRARIES = libs/libhope.a
 progs_wish_SOURCES = generic/a.c generic/b.c
@@ -51,6 +51,7 @@ remake-single-object:
 END
 
 mkdir generic sub sub/sub2
+
 cat > generic/a.c <<END
 int main (void)
 {
diff --git a/t/subobj2.sh b/t/subobj-cxx-grep.sh
similarity index 78%
rename from t/subobj2.sh
rename to t/subobj-cxx-grep.sh
index 3a3f861..1a03b16 100755
--- a/t/subobj2.sh
+++ b/t/subobj-cxx-grep.sh
@@ -14,16 +14,14 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-# Test of subdir objects with C++.
+# Grepping checks on the use of subdir objects with C++.
+# See relate test 't/subobj-cxx-grep.sh' for semantic checks.
 
 . ./defs || Exit 1
 
-cat >> configure.ac << 'END'
-AC_PROG_CXX
-END
+echo AC_PROG_CXX >> configure.ac
 
 cat > Makefile.am << 'END'
-AUTOMAKE_OPTIONS = subdir-objects
 bin_PROGRAMS = wish
 wish_SOURCES = generic/a.cc generic/b.cxx
 END
@@ -32,7 +30,8 @@ $ACLOCAL
 $AUTOMAKE
 
 $FGREP 'generic/a.$(OBJEXT)' Makefile.in
-grep '[^/]a\.\$(OBJEXT)' Makefile.in && Exit 1
+$FGREP 'generic/b.$(OBJEXT)' Makefile.in
+grep '[^/][ab]\.\$(OBJEXT)' Makefile.in && Exit 1
 grep '.*-c -o' Makefile.in
 
 :
diff --git a/t/subobj.sh b/t/subobj-cxx.sh
similarity index 77%
rename from t/subobj.sh
rename to t/subobj-cxx.sh
index 1265a43..ccb9e77 100755
--- a/t/subobj.sh
+++ b/t/subobj-cxx.sh
@@ -14,25 +14,24 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-# Test of subdir objects with C.
+# Test subdir objects with C++, building both a library and an executable.
+# Keep in sync with sister test 'subobj-c.sh'.
 
-required=cc
+required=c++
 . ./defs || Exit 1
 
 cat >> configure.ac << 'END'
-AC_PROG_CC
-AM_PROG_CC_C_O
+AC_PROG_CXX
 AM_PROG_AR
 AC_PROG_RANLIB
 AC_OUTPUT
 END
 
 cat > Makefile.am << 'END'
-AUTOMAKE_OPTIONS = subdir-objects
 bin_PROGRAMS = progs/wish
 lib_LIBRARIES = libs/libhope.a
-progs_wish_SOURCES = generic/a.c generic/b.c
-libs_libhope_a_SOURCES = sub/sub2/foo.c
+progs_wish_SOURCES = generic/a.cc generic/b.c++
+libs_libhope_a_SOURCES = sub/sub2/foo.cxx
 
 .PHONY: remake-single-object
 remake-single-object:
@@ -51,16 +50,26 @@ remake-single-object:
 END
 
 mkdir generic sub sub/sub2
-cat > generic/a.c <<END
+
+cat > generic/a.cc <<END
+using namespace std; // Make this valid C++ but invalid C.
+extern int b (void);
 int main (void)
 {
-  extern int i;
-  return i;
+  return b ();
 }
 END
-echo 'int i = 0;' > generic/b.c
 
-cat > sub/sub2/foo.c <<'END'
+cat > generic/b.c++ <<END
+using namespace std; // Make this valid C++ but invalid C.
+int b (void)
+{
+  return 0;
+}
+END
+
+cat > sub/sub2/foo.cxx <<'END'
+using namespace std; // Make this valid C++ but invalid C.
 int answer (void)
 {
   return 42;
@@ -68,13 +77,8 @@ int answer (void)
 END
 
 $ACLOCAL
-$AUTOMAKE --add-missing 2>stderr || { cat stderr >&2; Exit 1; }
-cat stderr >&2
-
-# Make sure compile is installed, and that Automake says so.
-grep 'install.*compile' stderr
-test -f compile
-
+$AUTOMAKE -a
+test ! -f compile # This is not needed by C++ support.
 $EGREP '[^/](a|b|foo)\.\$(OBJEXT)' Makefile.in && Exit 1
 
 $AUTOCONF
diff --git a/t/subobj-libtool.sh b/t/subobj-libtool.sh
index 366e999..fc9f8c7 100755
--- a/t/subobj-libtool.sh
+++ b/t/subobj-libtool.sh
@@ -28,7 +28,6 @@ AC_OUTPUT
 END
 
 cat > Makefile.am << 'END'
-AUTOMAKE_OPTIONS = subdir-objects
 noinst_LTLIBRARIES = libs/libfoo.la
 libs_libfoo_la_SOURCES = generic/1.c generic/2.c sub/subsub/3.c
 
diff --git a/t/subobj10.sh b/t/subobj10.sh
index db6bf72..ead6b6f 100755
--- a/t/subobj10.sh
+++ b/t/subobj10.sh
@@ -14,28 +14,35 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-# PR 492: Test asm subdir-objects.
+# PR 492: Test asm subdir objects.
 
 required=gcc
 . ./defs || Exit 1
 
-cat > configure.ac << END
-AC_INIT([$me], [1.0])
-AM_INIT_AUTOMAKE([subdir-objects])
-
+cat >> configure.ac << 'END'
 AM_PROG_AS
 AM_PROG_AR
 AC_PROG_RANLIB
-
-AC_CONFIG_FILES([Makefile])
 AC_OUTPUT
 END
 
 cat > Makefile.am << 'END'
 noinst_LIBRARIES = libfoo.a libbar.a
+
 libfoo_a_SOURCES = src/a.s b.s
 libbar_a_SOURCES = src/c.s d.s
 libbar_a_CCASFLAGS =
+
+.PHONY: test-objs
+check-local: test-objs
+test-objs:
+       find -name '*.$(OBJEXT)' > o.lst && cat o.lst
+       test -f src/a.$(OBJEXT)
+       test -f b.$(OBJEXT)
+       test -f src/libbar_a-c.$(OBJEXT)
+       test -f libbar_a-d.$(OBJEXT)
+       test $$(wc -l <o.lst) -eq 4
+       rm -f o.lst
 END
 
 mkdir src
@@ -50,6 +57,7 @@ $AUTOMAKE -a
 
 ./configure
 $MAKE
+$MAKE test-objs
 $MAKE distcheck
 
 :
diff --git a/t/subobj11a.sh b/t/subobj11a.sh
index 3dbf52b..6fea19a 100755
--- a/t/subobj11a.sh
+++ b/t/subobj11a.sh
@@ -41,7 +41,6 @@ AC_OUTPUT
 END
 
 cat > Makefile.am << 'END'
-AUTOMAKE_OPTIONS = subdir-objects
 bin_PROGRAMS = foo
 ## The './/' below is meant.
 foo_SOURCES = .//src/foo.c
diff --git a/t/subobj5.sh b/t/subobj5.sh
index 32b4049..c6e2e51 100755
--- a/t/subobj5.sh
+++ b/t/subobj5.sh
@@ -28,7 +28,6 @@ AC_OUTPUT
 END
 
 cat > Makefile.am << 'END'
-AUTOMAKE_OPTIONS = subdir-objects
 bin_PROGRAMS = wish
 wish_SOURCES = generic/a.c
 
diff --git a/t/subobj8.sh b/t/subobj8.sh
index 35b566f..6ab39d3 100755
--- a/t/subobj8.sh
+++ b/t/subobj8.sh
@@ -14,7 +14,8 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-# Make sure 'compile' is included when subdir-objects is used in a subdir.
+# Make sure 'compile' is included when subdir objects are used in a
+# subdir.
 
 . ./defs || Exit 1
 
@@ -35,7 +36,6 @@ SUBDIRS = foo
 END
 
 cat > foo/Makefile.am << 'END'
-AUTOMAKE_OPTIONS = subdir-objects
 bin_PROGRAMS = mumble
 mumble_SOURCES = bar/a.c
 END
diff --git a/t/subobj9.sh b/t/subobj9.sh
index f706edf..12d83b5 100755
--- a/t/subobj9.sh
+++ b/t/subobj9.sh
@@ -25,13 +25,10 @@
 required='c++ libtoolize'
 . ./defs || Exit 1
 
-cat > configure.ac << END
-AC_INIT([$me], [1.0])
-AM_INIT_AUTOMAKE([subdir-objects])
+cat >> configure.ac << END
 AC_PROG_CXX
 AM_PROG_AR
 AM_PROG_LIBTOOL
-AC_CONFIG_FILES([Makefile])
 AC_OUTPUT
 END
 
@@ -60,7 +57,6 @@ int doit2 (void)
 }
 END
 
-
 libtoolize --force
 $ACLOCAL
 $AUTOCONF
diff --git a/t/suffix-custom-subobj.sh b/t/suffix-custom-subobj.sh
index daaa5c7..54b6eff 100755
--- a/t/suffix-custom-subobj.sh
+++ b/t/suffix-custom-subobj.sh
@@ -26,7 +26,6 @@ AC_OUTPUT
 EOF
 
 cat >Makefile.am << 'END'
-AUTOMAKE_OPTIONS = subdir-objects
 # We fake here:
 %.o: %.baz
        cp $< $@
diff --git a/t/suffix13.sh b/t/suffix13.sh
index f1d3b41..7917838 100755
--- a/t/suffix13.sh
+++ b/t/suffix13.sh
@@ -27,7 +27,6 @@ AC_OUTPUT
 EOF
 
 cat >Makefile.am << 'END'
-AUTOMAKE_OPTIONS = subdir-objects
 %.c: %.baz
        test -d $(@D) || $(MKDIR_P) $(@D)
        cp $< $@
@@ -53,18 +52,9 @@ END
 $ACLOCAL
 $AUTOCONF
 $AUTOMAKE -a
-./configure
-$MAKE
-
-$MAKE distcheck
-$MAKE distclean
-
-# Should also work without subdir-objects.
 
-sed '/subdir-objects/d' < Makefile.am > t
-mv -f t Makefile.am
-$AUTOMAKE
 ./configure
+
 $MAKE
 $MAKE distcheck
 
diff --git a/t/vala3.sh b/t/vala3.sh
index 0306290..6de68f8 100755
--- a/t/vala3.sh
+++ b/t/vala3.sh
@@ -55,44 +55,25 @@ grep PKG_CHECK_MODULES configure && skip_ "pkg-config m4 
macros not found"
 ./configure
 $MAKE
 test -f src/zardoz.c
+# FIXME: having 'src/zardoz_vala.stamp' should be more appropriate here.
 test -f src_zardoz_vala.stamp
 $MAKE distcheck
 $MAKE maintainer-clean
 test ! -f src/zardoz.c
+# FIXME: having 'src/zardoz_vala.stamp' should be more appropriate here.
 test ! -f src_zardoz_vala.stamp
 
 mkdir build
 cd build
 ../configure
 $MAKE
+test -f ../src/zardoz.c
+# FIXME: having 'src/zardoz_vala.stamp' should be more appropriate here.
+test -f ../src_zardoz_vala.stamp
 $MAKE distcheck
+$MAKE maintainer-clean
+test ! -f src/zardoz.c
+# FIXME: having 'src/zardoz_vala.stamp' should be more appropriate here.
+test ! -f src_zardoz_vala.stamp
 
-cd ..
-rm -rf build
-
-# Try again with subdir-objects.
-
-cat > 'Makefile.am' <<'END'
-AUTOMAKE_OPTIONS = subdir-objects
-
-bin_PROGRAMS = src/zardoz
-src_zardoz_CFLAGS = $(GOBJECT_CFLAGS)
-src_zardoz_LDADD = $(GOBJECT_LIBS)
-src_zardoz_SOURCES = src/zardoz.vala
-END
-
-$ACLOCAL
-$AUTOCONF
-$AUTOMAKE -a
-
-./configure || skip_ "configure failure"
-$MAKE
-$MAKE distcheck
-$MAKE distclean
-mkdir build
-cd build
-../configure
-$MAKE
-$MAKE distcheck
-
-
+:
diff --git a/t/warning-groups-win-over-strictness.sh 
b/t/warning-groups-win-over-strictness.sh
index 70b8b7a..e275131 100755
--- a/t/warning-groups-win-over-strictness.sh
+++ b/t/warning-groups-win-over-strictness.sh
@@ -38,7 +38,6 @@ AC_OUTPUT
 END
 
 cat > Makefile.am <<END
-AUTOMAKE_OPTIONS = subdir-objects
 include automake-options.am
 noinst_PROGRAMS = foo
 foo_SOURCES = sub/foo.c
@@ -49,7 +48,7 @@ rm -rf autom4te*.cache
 echo 'AM_INIT_AUTOMAKE' > am-init-automake.m4
 $ACLOCAL
 AUTOMAKE_fails -Werror -Wall --foreign
-grep '^Makefile\.am:4:.*sub/foo\.c.*requires.*AM_PROG_CC_C_O' stderr
+grep '^Makefile\.am:3:.*sub/foo\.c.*requires.*AM_PROG_CC_C_O' stderr
 
 rm -rf autom4te*.cache
 : > automake-options.am
@@ -58,7 +57,7 @@ $ACLOCAL
 $AUTOMAKE
 
 rm -rf autom4te*.cache
-echo 'AUTOMAKE_OPTIONS += -Werror -Wnone gnits' > automake-options.am
+echo 'AUTOMAKE_OPTIONS = -Werror -Wnone gnits' > automake-options.am
 echo 'AM_INIT_AUTOMAKE' > am-init-automake.m4
 $ACLOCAL
 $AUTOMAKE
diff --git a/t/warnings-override.sh b/t/warnings-override.sh
index 956bf81..a487ffa 100755
--- a/t/warnings-override.sh
+++ b/t/warnings-override.sh
@@ -29,7 +29,7 @@ AUTOMAKE="$am_original_AUTOMAKE -Werror"
 set_warnings ()
 {
   set +x
-  sed <$2 >$2-t -e "s|^\\(AUTOMAKE_OPTIONS\\) *+=.*|\\1 += $1|" \
+  sed <$2 >$2-t -e "s|^\\(AUTOMAKE_OPTIONS\\) *=.*|\\1 = $1|" \
                 -e "s|^\\(AM_INIT_AUTOMAKE\\).*|\\1([$1])|"
   mv -f $2-t $2
   set -x
@@ -44,15 +44,13 @@ ok ()
 ko ()
 {
   AUTOMAKE_fails $*
-  grep '^Makefile\.am:5:.*sub/foo\.c.*requires.*AM_PROG_CC_C_O' stderr
+  grep '^Makefile\.am:.*sub/foo\.c.*requires.*AM_PROG_CC_C_O' stderr
 }
 
 echo AC_PROG_CC >> configure.ac
 
 cat > Makefile.am <<END
-AUTOMAKE_OPTIONS = subdir-objects
-## For later editing by 'set_am_opts'.
-AUTOMAKE_OPTIONS +=
+AUTOMAKE_OPTIONS = ## For later editing by 'set_am_opts'.
 noinst_PROGRAMS = foo
 foo_SOURCES = sub/foo.c
 END
diff --git a/t/warnings-precedence.sh b/t/warnings-precedence.sh
index 715e294..53705e4 100755
--- a/t/warnings-precedence.sh
+++ b/t/warnings-precedence.sh
@@ -26,7 +26,7 @@ AUTOMAKE="$am_original_AUTOMAKE -Werror"
 set_warnings ()
 {
   set +x
-  sed <$2 >$2-t -e "s|^\\(AUTOMAKE_OPTIONS\\) *+=.*|\\1 += $1|" \
+  sed <$2 >$2-t -e "s|^\\(AUTOMAKE_OPTIONS\\) *=.*|\\1 = $1|" \
                 -e "s|^\\(AM_INIT_AUTOMAKE\\).*|\\1([$1])|"
   mv -f $2-t $2
   set -x
@@ -41,7 +41,7 @@ ok ()
 ko ()
 {
   AUTOMAKE_fails $*
-  grep '^Makefile\.am:5:.*sub/foo\.c.*requires.*AM_PROG_CC_C_O' stderr
+  grep '^Makefile\.am:.*sub/foo\.c.*requires.*AM_PROG_CC_C_O' stderr
 }
 
 # Files required in gnu strictness.
@@ -50,9 +50,7 @@ touch README INSTALL NEWS AUTHORS ChangeLog COPYING
 echo AC_PROG_CC >> configure.ac
 
 cat > Makefile.am <<END
-AUTOMAKE_OPTIONS = subdir-objects
-## For later editing by 'set_warnings'.
-AUTOMAKE_OPTIONS +=
+AUTOMAKE_OPTIONS = ## For later editing by 'set_warnings'.
 noinst_PROGRAMS = foo
 foo_SOURCES = sub/foo.c
 END
diff --git a/t/warnings-strictness-interactions.sh 
b/t/warnings-strictness-interactions.sh
index c5e70e6..612c019 100755
--- a/t/warnings-strictness-interactions.sh
+++ b/t/warnings-strictness-interactions.sh
@@ -24,11 +24,10 @@
 AUTOMAKE="$am_original_AUTOMAKE -Werror"
 
 echo AC_PROG_CC >> configure.ac
+$ACLOCAL
 
 cat > Makefile.am <<END
-AUTOMAKE_OPTIONS = subdir-objects
-## For later editing by 'set_am_opts'.
-AUTOMAKE_OPTIONS +=
+AUTOMAKE_OPTIONS = ## For later editing by 'set_am_opts'.
 noinst_PROGRAMS = foo
 foo_SOURCES = sub/foo.c
 END
@@ -36,7 +35,7 @@ END
 set_am_opts ()
 {
   set +x
-  sed <$2 >$2-t -e "s|^\\(AUTOMAKE_OPTIONS\\) *+=.*|\\1 += $1|" \
+  sed <$2 >$2-t -e "s|^\\(AUTOMAKE_OPTIONS\\) *=.*|\\1 = $1|" \
                 -e "s|^\\(AM_INIT_AUTOMAKE\\).*|\\1([$1])|"
   mv -f $2-t $2
   set -x
@@ -46,7 +45,6 @@ set_am_opts ()
 set_am_opts '-Wportability' configure.ac
 set_am_opts 'foreign' Makefile.am
 
-$ACLOCAL
 $AUTOMAKE
 
 rm -rf autom4te*.cache
@@ -58,6 +56,6 @@ set_am_opts '-Wno-portability' configure.ac
 set_am_opts 'gnu' Makefile.am
 
 AUTOMAKE_fails
-grep '^Makefile\.am:5:.*sub/foo\.c.*requires.*AM_PROG_CC_C_O' stderr
+grep '^Makefile\.am:.*sub/foo\.c.*requires.*AM_PROG_CC_C_O' stderr
 
 :
diff --git a/t/warnings-win-over-strictness.sh 
b/t/warnings-win-over-strictness.sh
index 4deb27d..e9534f5 100755
--- a/t/warnings-win-over-strictness.sh
+++ b/t/warnings-win-over-strictness.sh
@@ -38,7 +38,7 @@ ko ()
 set_am_opts ()
 {
   set +x
-  sed <$2 >$2-t -e "s|^\\(AUTOMAKE_OPTIONS\\) *+=.*|\\1 += $1|" \
+  sed <$2 >$2-t -e "s|^\\(AUTOMAKE_OPTIONS\\) *=.*|\\1 = $1|" \
                 -e "s|^\\(AM_INIT_AUTOMAKE\\).*|\\1([$1])|"
   mv -f $2-t $2
   set -x
@@ -49,17 +49,14 @@ set_am_opts ()
 touch README INSTALL NEWS AUTHORS ChangeLog COPYING
 
 echo AC_PROG_CC >> configure.ac
+$ACLOCAL
 
 cat > Makefile.am <<END
-AUTOMAKE_OPTIONS = subdir-objects
-## For later editing by 'set_am_opts'.
-AUTOMAKE_OPTIONS +=
+AUTOMAKE_OPTIONS = ## For later editing by 'set_am_opts'.
 noinst_PROGRAMS = foo
 foo_SOURCES = sub/foo.c
 END
 
-$ACLOCAL
-
 ko --foreign -Wportability
 ko -Wportability --foreign
 ok --gnu -Wno-portability
diff --git a/t/yacc-d-cxx.sh b/t/yacc-d-cxx.sh
index d4c4af2..34970f8 100755
--- a/t/yacc-d-cxx.sh
+++ b/t/yacc-d-cxx.sh
@@ -114,7 +114,6 @@ write_main parse.hpp > bar/main.cpp
 
 # Try with -d in $(AM_YFLAGS), and a subdir parser.
 cat >> baz/Makefile.am <<END
-AUTOMAKE_OPTIONS = subdir-objects
 bin_PROGRAMS = joe
 joe_SOURCES = sub/parse.y++ sub/main.c++
 BUILT_SOURCES = sub/parse.h++
diff --git a/t/yacc-dist-nobuild-subdir.sh b/t/yacc-dist-nobuild-subdir.sh
index 94fb07c..0e8612f 100755
--- a/t/yacc-dist-nobuild-subdir.sh
+++ b/t/yacc-dist-nobuild-subdir.sh
@@ -15,8 +15,7 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 # Check that VPATH builds and "make distcheck" works with packages
-# using yacc and the automake 'subdir-objects' option.
-# Exposes automake bug#8485.
+# using yacc sources in a subdir option.  Exposes automake bug#8485.
 
 required='cc yacc'
 . ./defs || Exit 1
@@ -45,7 +44,6 @@ int main (void)
 END
 
 cat > Makefile.am <<'END'
-AUTOMAKE_OPTIONS = subdir-objects
 noinst_PROGRAMS = foo bar
 foo_SOURCES = sub/parse.y
 bar_SOURCES = $(foo_SOURCES)
diff --git a/t/yacc-subobj-nodep.sh b/t/yacc-subobj-nodep.sh
index 80783a1..70a04b7 100755
--- a/t/yacc-subobj-nodep.sh
+++ b/t/yacc-subobj-nodep.sh
@@ -14,16 +14,13 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-# Ensure subdirs for subdir parsers are generated when subdir-objects
+# Ensure subdirs for subdir parsers are generated when subdir objects
 # are used, even when dependency tracking is disabled.
 
 required='cc yacc'
 . ./defs || Exit 1
 
-cat >configure.ac <<END
-AC_INIT([$me], [1.0])
-AM_INIT_AUTOMAKE([no-dependencies subdir-objects])
-AC_CONFIG_FILES([Makefile])
+cat >>configure.ac <<END
 AC_PROG_CC
 AM_PROG_CC_C_O
 AC_PROG_YACC
@@ -31,6 +28,7 @@ AC_OUTPUT
 END
 
 cat >Makefile.am <<END
+AUTOMAKE_OPTIONS = no-dependencies
 bin_PROGRAMS = p1 p2
 p1_SOURCES = sub1/s1.y
 p2_SOURCES = sub2/s2.y
diff --git a/t/yacc8.sh b/t/yacc8.sh
index bab627d..35c3133 100755
--- a/t/yacc8.sh
+++ b/t/yacc8.sh
@@ -28,7 +28,6 @@ AC_OUTPUT
 END
 
 cat > Makefile.am << 'END'
-AUTOMAKE_OPTIONS = subdir-objects
 bin_PROGRAMS = foo/foo
 foo_foo_SOURCES = foo/parse.y
 AM_YFLAGS = -d


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