[Automake-commit] [SCM] GNU Automake branch, maint, updated. v1.11-542-g6bceecd

[Stefano Lattarini]

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- Log -----------------------------------------------------------------
commit 6bceecd1b429f661ecca3e819051149d3be6af90
Author: Stefano Lattarini <address@hidden>
Date:   Thu Oct 20 11:55:01 2011 +0200

    coverage: undistributed '.am' and '.m4' files are diagnosed
    
    The stub rules emitted to work around the "deleted header problem"
    for `.m4' files (included by autoconf in e.g., configure.ac) and
    for `.am' files (included by automake in e.g., Makefile.am) should
    not prevent "make" from correctly complaining when such a required
    file is missing from a distribution tarball.
    * tests/dist-missing-am.test: New test.
    * tests/dist-missing-m4.test: Likewise.
    * tests/dist-missing-included-m4.test: Likewise.
    * tests/Makefile.am (TESTS): Add them.
    
    Suggestion by Ralf Wildenhues.

commit 237b93207fcf50e49540ce2d604a9b6fe312d713
Author: Stefano Lattarini <address@hidden>
Date:   Sun Oct 16 17:07:19 2011 +0200

    coverage: required but missing '.am' and '.m4' files are diagnosed
    
    The stub rules emitted to work around the "deleted header problem"
    for `.m4' files (included by autoconf in e.g., configure.ac) and
    for `.am' files (included by automake in e.g., Makefile.am) should
    not prevent the remake rules from correctly erroring out when a
    still-required file is missing.
    
    * tests/deleted-am.test: New test.
    * tests/deleted-m4.test: Likewise.
    * tests/Makefile.am (TESTS): Add them.

commit 833741419e4df9adcf1a1aa86088e562e0ba46ad
Author: Stefano Lattarini <address@hidden>
Date:   Tue Nov 22 20:50:53 2011 +0100

    coverage: expose automake bug#10111 in the testsuite
    
    * tests/remake-am-pr10111.test: New test, xfailing.
    * tests/remake-m4-pr10111.test: Likewise.
    * tests/Makefile.am (TESTS, XFAIL_TESTS): Add them.

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

Summary of changes:
 ChangeLog                           |   33 ++++++++++++++++
 tests/Makefile.am                   |    6 +++
 tests/Makefile.in                   |    6 +++
 tests/deleted-am.test               |   65 +++++++++++++++++++++++++++++++
 tests/deleted-m4.test               |   67 ++++++++++++++++++++++++++++++++
 tests/dist-missing-am.test          |   70 ++++++++++++++++++++++++++++++++++
 tests/dist-missing-included-m4.test |   70 ++++++++++++++++++++++++++++++++++
 tests/dist-missing-m4.test          |   72 +++++++++++++++++++++++++++++++++++
 tests/remake-am-pr10111.test        |   64 +++++++++++++++++++++++++++++++
 tests/remake-m4-pr10111.test        |   62 ++++++++++++++++++++++++++++++
 10 files changed, 515 insertions(+), 0 deletions(-)
 create mode 100755 tests/deleted-am.test
 create mode 100755 tests/deleted-m4.test
 create mode 100755 tests/dist-missing-am.test
 create mode 100755 tests/dist-missing-included-m4.test
 create mode 100755 tests/dist-missing-m4.test
 create mode 100644 tests/remake-am-pr10111.test
 create mode 100644 tests/remake-m4-pr10111.test

diff --git a/ChangeLog b/ChangeLog
index a828c21..51d2dd8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,36 @@
+2011-11-22  Stefano Lattarini  <address@hidden>
+
+       coverage: undistributed '.am' and '.m4' files are diagnosed
+       The stub rules emitted to work around the "deleted header problem"
+       for `.m4' files (included by autoconf in e.g., configure.ac) and
+       for `.am' files (included by automake in e.g., Makefile.am) should
+       not prevent "make" from correctly complaining when such a required
+       file is missing from a distribution tarball.
+       * tests/dist-missing-am.test: New test.
+       * tests/dist-missing-m4.test: Likewise.
+       * tests/dist-missing-included-m4.test: Likewise.
+       * tests/Makefile.am (TESTS): Add them.
+       Suggestion by Ralf Wildenhues.
+
+2011-11-22  Stefano Lattarini  <address@hidden>
+
+       coverage: required but missing '.am' and '.m4' files are diagnosed
+       The stub rules emitted to work around the "deleted header problem"
+       for `.m4' files (included by autoconf in e.g., configure.ac) and
+       for `.am' files (included by automake in e.g., Makefile.am) should
+       not prevent the remake rules from correctly erroring out when a
+       still-required file is missing.
+       * tests/deleted-am.test: New test.
+       * tests/deleted-m4.test: Likewise.
+       * tests/Makefile.am (TESTS): Add them.
+
+2011-11-22  Stefano Lattarini  <address@hidden>
+
+       coverage: expose automake bug#10111 in the testsuite
+       * tests/remake-am-pr10111.test: New test, xfailing.
+       * tests/remake-m4-pr10111.test: Likewise.
+       * tests/Makefile.am (TESTS, XFAIL_TESTS): Add them.
+
 2011-11-19  Stefano Lattarini  <address@hidden>
 
        texinfo: work around Solaris 10 xpg4 shell bug in install rules
diff --git a/tests/Makefile.am b/tests/Makefile.am
index dd3fb46..831906b 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -26,6 +26,8 @@ gcj6.test \
 java-nobase.test \
 pr8365-remake-timing.test \
 lex-subobj-nodep.test \
+remake-am-pr10111.test \
+remake-m4-pr10111.test \
 vala-vpath.test \
 txinfo5.test
 
@@ -300,6 +302,8 @@ dejagnu-relative-srcdir.test \
 dejagnu-siteexp-extend.test \
 dejagnu-siteexp-append.test \
 dejagnu-siteexp-useredit.test \
+deleted-am.test \
+deleted-m4.test \
 depacl2.test \
 depcomp.test \
 depcomp2.test \
@@ -722,6 +726,8 @@ remake-subdir-gnu.test \
 remake-subdir.test \
 remake-subdir2.test \
 remake-subdir-long-time.test \
+remake-am-pr10111.test \
+remake-m4-pr10111.test \
 pr8365-remake-timing.test \
 regex.test \
 req.test \
diff --git a/tests/Makefile.in b/tests/Makefile.in
index d2085c8..3ad0146 100644
--- a/tests/Makefile.in
+++ b/tests/Makefile.in
@@ -297,6 +297,8 @@ gcj6.test \
 java-nobase.test \
 pr8365-remake-timing.test \
 lex-subobj-nodep.test \
+remake-am-pr10111.test \
+remake-m4-pr10111.test \
 vala-vpath.test \
 txinfo5.test
 
@@ -584,6 +586,8 @@ dejagnu-relative-srcdir.test \
 dejagnu-siteexp-extend.test \
 dejagnu-siteexp-append.test \
 dejagnu-siteexp-useredit.test \
+deleted-am.test \
+deleted-m4.test \
 depacl2.test \
 depcomp.test \
 depcomp2.test \
@@ -1006,6 +1010,8 @@ remake-subdir-gnu.test \
 remake-subdir.test \
 remake-subdir2.test \
 remake-subdir-long-time.test \
+remake-am-pr10111.test \
+remake-m4-pr10111.test \
 pr8365-remake-timing.test \
 regex.test \
 req.test \
diff --git a/tests/deleted-am.test b/tests/deleted-am.test
new file mode 100755
index 0000000..cc82e79
--- /dev/null
+++ b/tests/deleted-am.test
@@ -0,0 +1,65 @@
+#! /bin/sh
+# Copyright (C) 2011 Free Software Foundation, Inc.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# The stub rules emitted to work around the "deleted header problem"
+# for `.am' files shouldn't prevent the remake rules from correctly
+# erroring out when a still-required file is missing.
+# See also discussion about automake bug#9768.
+
+. ./defs || Exit 1
+
+set -e
+
+echo AC_OUTPUT >> configure.in
+
+echo 'include $(top_srcdir)/foobar.am' > Makefile.am
+echo 'include zardoz.am' > foobar.am
+: > zardoz.am
+
+$ACLOCAL
+$AUTOCONF
+$AUTOMAKE
+
+./configure
+$MAKE
+
+rm -f zardoz.am
+$MAKE >output 2>&1 && { cat output; Exit 1; }
+cat output
+# FIXME: enable this stricter grepping, once bug#9768 has been taken
+# FIXME: care of.
+## This error will come from automake, not make, so we can be stricter
+## in our grepping of it.
+# grep 'cannot open.*zardoz\.am' output
+grep 'zardoz\.am' output
+grep 'foobar\.am' output && Exit 1 # No spurious error, please.
+
+# Try  with one less indirection.
+: > foobar.am
+$AUTOMAKE Makefile
+./config.status Makefile
+$MAKE # Sanity check.
+rm -f foobar.am
+$MAKE >output 2>&1 && { cat output; Exit 1; }
+cat output
+# FIXME: enable this stricter grepping, once bug#9768 has been taken
+# FIXME: care of.
+## This error will come from automake, not make, so we can be stricter
+## in our grepping of it.
+# grep 'cannot open.*foobar\.am' output
+grep 'foobar\.am' output
+
+:
diff --git a/tests/deleted-m4.test b/tests/deleted-m4.test
new file mode 100755
index 0000000..6b0b9af
--- /dev/null
+++ b/tests/deleted-m4.test
@@ -0,0 +1,67 @@
+#! /bin/sh
+# Copyright (C) 2011 Free Software Foundation, Inc.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# The stub rules emitted to work around the "deleted header problem"
+# for `.m4' files shouldn't prevent the remake rules from correctly
+# erroring out when a still-required file is missing.
+# See also discussion about automake bug#9768.
+
+. ./defs || Exit 1
+
+set -e
+
+cat >> configure.in <<'END'
+m4_include([foobar.m4])
+AC_OUTPUT
+END
+
+: > Makefile.am
+
+echo 'm4_include([zardoz.m4])' > foobar.m4
+: > zardoz.m4
+
+$ACLOCAL
+$AUTOCONF
+$AUTOMAKE
+
+./configure
+$MAKE
+
+rm -f zardoz.m4
+$MAKE >output 2>&1 && { cat output; Exit 1; }
+cat output
+# This error will come from aclocal, not make, so we can be stricter
+# in our grepping of it.
+grep ' foobar\.m4:1:.*zardoz\.m4.*does not exist' output
+# No spurious errors, please.
+$FGREP -v ' foobar.m4:1:' output | $FGREP 'foobar.m4' && Exit 1
+
+# Try with one less indirection.
+: > foobar.m4
+$ACLOCAL --force
+$AUTOCONF
+./configure
+$MAKE # Sanity check.
+rm -f foobar.m4
+$MAKE >output 2>&1 && { cat output; Exit 1; }
+cat output
+# This error will come from aclocal, not make, so we can be stricter
+# in our grepping of it.
+grep 'foobar\.m4.*does not exist' output
+# No spurious errors, please (ok, this is really paranoid).
+$FGREP 'zardoz.m4' output && Exit 1
+
+:
diff --git a/tests/dist-missing-am.test b/tests/dist-missing-am.test
new file mode 100755
index 0000000..49e82aa
--- /dev/null
+++ b/tests/dist-missing-am.test
@@ -0,0 +1,70 @@
+#! /bin/sh
+# Copyright (C) 2011 Free Software Foundation, Inc.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# The stub rules emitted to work around the "deleted header problem"
+# for `.am' files shouldn't prevent "make" from diagnosing a missing
+# required `.am' file from a distribution tarball.
+# See discussion about automake bug#9768.
+
+. ./defs || Exit 1
+
+set -e
+
+echo AC_OUTPUT >> configure.in
+
+cat > Makefile.am <<'END'
+include $(srcdir)/foobar.am
+include $(srcdir)/zardoz.am
+END
+
+: > foobar.am
+: > zardoz.am
+
+$ACLOCAL
+$AUTOCONF
+$AUTOMAKE
+
+./configure
+
+# A faulty distribution tarball, with a required `.am' file missing.
+# Building from it should fail, both for in-tree and VPATH builds.
+ocwd=`pwd` || fatal_ "cannot get current working directory"
+for vpath in false :; do
+  $MAKE distdir
+  test -f $distdir/zardoz.am # Sanity check.
+  rm -f $distdir/zardoz.am
+  if $vpath; then
+    # We can't just build in a subdirectory of $distdir, otherwise
+    # we'll hit automake bug#10111.
+    mkdir vpath-distcheck
+    cd vpath-distcheck
+    ../$distdir/configure
+  else
+    cd $distdir
+    ./configure
+  fi
+  $MAKE >output 2>&1 && { cat output; Exit 1; }
+  cat output
+# FIXME: enable this stricter grepping, once bug#9768 has been taken
+# FIXME: care of.
+#  # This error comes from automake, not make, so we can be stricter
+#  # in our grepping of it.
+#  grep 'cannot open.*zardoz\.am' output
+  grep 'foobar\.am' output && Exit 1 # No spurious error, please.
+  cd "$ocwd" || fatal_ "cannot chdir back to top-level test directory"
+done
+
+:
diff --git a/tests/dist-missing-included-m4.test 
b/tests/dist-missing-included-m4.test
new file mode 100755
index 0000000..56ba24c
--- /dev/null
+++ b/tests/dist-missing-included-m4.test
@@ -0,0 +1,70 @@
+#! /bin/sh
+# Copyright (C) 2011 Free Software Foundation, Inc.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# The stub rules emitted to work around the "deleted header problem"
+# for `.m4' files shouldn't prevent "make" from diagnosing a missing
+# required `.m4' file from a distribution tarball.
+# See discussion about automake bug#9768.
+# See also sister test `dist-missing-m4.test'.
+
+. ./defs || Exit 1
+
+set -e
+
+cat >> configure.in <<'END'
+m4_include([foobar.m4])
+m4_include([zardoz.m4])
+AC_OUTPUT
+END
+
+: > foobar.m4
+: > zardoz.m4
+
+: > Makefile.am
+
+$ACLOCAL
+$AUTOCONF
+$AUTOMAKE
+
+./configure
+
+# A faulty distribution tarball, with a required `.m4' file missing.
+# Building from it should fail, both for in-tree and VPATH builds.
+ocwd=`pwd` || fatal_ "cannot get current working directory"
+for vpath in false :; do
+  $MAKE distdir
+  test -f $distdir/zardoz.m4 # Sanity check.
+  rm -f $distdir/zardoz.m4
+  if $vpath; then
+    # We can't just build in a subdirectory of $distdir, otherwise
+    # we'll hit automake bug#10111.
+    mkdir vpath-distcheck
+    cd vpath-distcheck
+    ../$distdir/configure
+  else
+    cd $distdir
+    ./configure
+  fi
+  $MAKE >output 2>&1 && { cat output; Exit 1; }
+  cat output
+  # This error will come from automake, not make, so we can be stricter
+  # in our grepping of it.
+  grep 'zardoz\.m4.*does not exist' output
+  grep 'foobar\.m4' output && Exit 1 # No spurious error, please.
+  cd "$ocwd" || fatal_ "cannot chdir back to top-level test directory"
+done
+
+:
diff --git a/tests/dist-missing-m4.test b/tests/dist-missing-m4.test
new file mode 100755
index 0000000..a2618e9
--- /dev/null
+++ b/tests/dist-missing-m4.test
@@ -0,0 +1,72 @@
+#! /bin/sh
+# Copyright (C) 2011 Free Software Foundation, Inc.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# The stub rules emitted to work around the "deleted header problem"
+# for `.m4' files shouldn't prevent "make" from diagnosing a missing
+# required `.m4' file from a distribution tarball.
+# See discussion about automake bug#9768.
+# See also sister test `dist-missing-included-m4.test'.
+
+. ./defs || Exit 1
+
+set -e
+
+cat >> configure.in <<'END'
+m4_pattern_forbid([^MY_])
+MY_FOOBAR || exit 1
+MY_ZARDOZ || exit 1
+AC_OUTPUT
+END
+
+mkdir m4
+echo 'AC_DEFUN([MY_FOOBAR], [:])' > m4/foobar.m4
+echo 'AC_DEFUN([MY_ZARDOZ], [:])' > m4/zardoz.m4
+
+echo 'ACLOCAL_AMFLAGS = -I m4' > Makefile.am
+
+$ACLOCAL -I m4
+$AUTOCONF
+$AUTOMAKE
+
+./configure
+
+# A faulty distribution tarball, with a required `.m4' file missing.
+# Building from it should fail, both for in-tree and VPATH builds.
+ocwd=`pwd` || fatal_ "cannot get current working directory"
+for vpath in false :; do
+  $MAKE distdir
+  test -f $distdir/m4/zardoz.m4 # Sanity check.
+  rm -f $distdir/m4/zardoz.m4
+  if $vpath; then
+    # We can't just build in a subdirectory of $distdir, otherwise
+    # we'll hit automake bug#10111.
+    mkdir vpath-distcheck
+    cd vpath-distcheck
+    ../$distdir/configure
+  else
+    cd $distdir
+    ./configure
+  fi
+  $MAKE >output 2>&1 && { cat output; Exit 1; }
+  cat output
+  # This error will come from autoconf, not make, so we can be stricter
+  # in our grepping of it.
+  grep 'possibly undefined .*MY_ZARDOZ' output
+  grep 'MY_FOOBAR' output && Exit 1 # No spurious error, please.
+  cd "$ocwd" || fatal_ "cannot chdir back to top-level test directory"
+done
+
+:
diff --git a/tests/remake-am-pr10111.test b/tests/remake-am-pr10111.test
new file mode 100644
index 0000000..a8c2dc6
--- /dev/null
+++ b/tests/remake-am-pr10111.test
@@ -0,0 +1,64 @@
+#! /bin/sh
+# Copyright (C) 2011 Free Software Foundation, Inc.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# 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 that our remake rules doesn't give spurious successes in
+# some corner case situations where they should actually fail.
+# See automake bug#10111.
+# To be clear, we are speaking about *very* corner-case situations here,
+# and the fact that the remake rules might get confused in them is not a
+# big deal in practice (in fact, this test *currently fails*).  Still,
+# keeping the limitation exposed is a good idea anyway.
+
+. ./defs || Exit 1
+
+set -e
+
+cat >> configure.in <<'END'
+AC_OUTPUT
+END
+
+: > foobar.am
+
+cat > Makefile.am <<'END'
+include $(srcdir)/foobar.am
+$(srcdir)/foobar.am:
+## Creative quoring to avoid spurious matches in the grepping
+## of Makefile.in, later.
+       echo '#' 'foobar' 'was 'here' '#' > $@
+END
+
+$ACLOCAL
+$AUTOCONF
+$AUTOMAKE
+
+./configure
+
+# OK, so the developer wants to interactively try out how the
+# "distributed form" of his package behaves.
+$MAKE distdir
+cd $distdir
+# He's interested in trying out a VPATH build.
+mkdir build
+cd build
+../configure
+# He wants to verify that the rules he's written to rebuild a file
+# included by configure.in works also in VPATH builds.
+rm -f ../foobar.am
+$MAKE
+grep '# foobar was here #' ../Makefile.in
+$MAKE distcheck
+
+:
diff --git a/tests/remake-m4-pr10111.test b/tests/remake-m4-pr10111.test
new file mode 100644
index 0000000..2d89c25
--- /dev/null
+++ b/tests/remake-m4-pr10111.test
@@ -0,0 +1,62 @@
+#! /bin/sh
+# Copyright (C) 2011 Free Software Foundation, Inc.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# Check that our remake rules doesn't give spurious successes in
+# some corner case situations where they should actually fail.
+# See automake bug#10111.
+# To be clear, we are speaking about *very* corner-case situations here,
+# and the fact that the remake rules might get confused in them is not a
+# big deal in practice (in fact, this test *currently fails*).  Still,
+# keeping the limitation exposed is a good idea anyway.
+
+. ./defs || Exit 1
+
+set -e
+
+cat >> configure.in <<'END'
+m4_include([foobar.m4])
+AC_OUTPUT
+END
+
+: > foobar.m4
+
+cat > Makefile.am <<'END'
+$(srcdir)/foobar.m4:
+       echo ': foobar was here :' > $@
+END
+
+$ACLOCAL
+$AUTOCONF
+$AUTOMAKE
+
+./configure
+
+# OK, so the developer wants to interactively try out how the
+# "distributed form" of his package behaves.
+$MAKE distdir
+cd $distdir
+# He's interested in trying out a VPATH build.
+mkdir build
+cd build
+../configure
+# He wants to verify that the rules he's written to rebuild a file
+# included by configure.in works also in VPATH builds.
+rm -f ../foobar.m4
+$MAKE
+grep ': foobar was here :' ../configure
+$MAKE distcheck
+
+:


hooks/post-receive
-- 
GNU Automake