[Automake-commit] [SCM] GNU Automake branch, master, updated. v1.11-330-g81e3ce9

[Ralf Wildenhues]

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- Log -----------------------------------------------------------------
commit 81e3ce9548ad55f86b042b0dbb32e62bdf6314d3
Merge: 5b60e26 409b9c8
Author: Ralf Wildenhues <address@hidden>
Date:   Sat Aug 21 11:07:22 2010 +0200

    Merge branch 'faster-clean'
    
    * faster-clean:
      Speed up removal of auxiliary linker output files for ltlibraries.

commit 5b60e261504f2d6b180f14462cb8f37de2844e61
Merge: 0fded1f b268a1f
Author: Ralf Wildenhues <address@hidden>
Date:   Sat Aug 21 11:05:25 2010 +0200

    Merge branch 'maint'

commit 409b9c86d93bb42aa73851a48e26c5ef13062acf
Author: Ralf Wildenhues <address@hidden>
Date:   Sat Aug 21 11:04:04 2010 +0200

    Speed up removal of auxiliary linker output files for ltlibraries.
    
    * lib/am/ltlib.am (clean-%DIR%LTLIBRARIES): Rewrite using just
    one `rm' invocation.
    Report by Bob Friesenhahn.
    
    Signed-off-by: Ralf Wildenhues <address@hidden>

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

Summary of changes:
 ChangeLog                            |   16 ++++++++++++++++
 HACKING                              |   10 +++++-----
 lib/am/ltlib.am                      |   14 ++++++++------
 lib/mdate-sh                         |   23 +++++++++++++++++++++--
 tests/Makefile.am                    |    1 +
 tests/Makefile.in                    |    1 +
 tests/{acloca23.test => mdate6.test} |   22 ++++++++++------------
 7 files changed, 62 insertions(+), 25 deletions(-)
 copy tests/{acloca23.test => mdate6.test} (71%)

diff --git a/ChangeLog b/ChangeLog
index a50a1d3..13b2c88 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,19 @@
+2010-08-21  Ralf Wildenhues  <address@hidden>
+
+       Speed up removal of auxiliary linker output files for ltlibraries.
+       * lib/am/ltlib.am (clean-%DIR%LTLIBRARIES): Rewrite using just
+       one `rm' invocation.
+       Report by Bob Friesenhahn.
+
+       Improve robustness of mdate-sh script.
+       * lib/mdate-sh: Sanitize zsh behavior on startup, to ensure
+       $ls_command is word-split properly upon invocation.
+       (error): New function.
+       (main): Use it.  Improve error checking to avoid endless loop
+       in case $ls_command gave bogus output.  Fix eval quotation.
+       * tests/mdate6.test: New test, to expose eval quotation error.
+       * tests/Makefile.am: Update.
+
 2010-08-18  Stefano Lattarini  <address@hidden>
 
        Fix potential regressions in depcomp{3,5}.test.
diff --git a/HACKING b/HACKING
index 34f2b39..d5de1d4 100644
--- a/HACKING
+++ b/HACKING
@@ -86,8 +86,6 @@
   &, just convert the old code as you work on it, and write new
   code without.
 
-* Perl 5 is now OK.
-
 ================================================================
 = Working with git
 
@@ -139,9 +137,11 @@
   # if all seems ok, then actually push:
   git push origin maint branch-1.11 master
 
-* For bug fixes of long-standing bugs, it may be useful to commit them to
-  a new branch based off of the commit that introduced the bug, and merge
-  this bugfix branch into active branches that descend from the buggy commit.
+* When fixing a bug (especially a long-standing one), it may be useful
+  to commit the fix to a new temporary branch based off the commit that
+  introduced the bug.  Then this "bugfix branch" can be merged into all
+  the active branches descending from the buggy commit.  This offers a
+  simple way to fix the bug consistently and effectively.
 
 * There may be a number of longer-lived feature branches for new developments.
   They should be based off of a common ancestor of all active branches to
diff --git a/lib/am/ltlib.am b/lib/am/ltlib.am
index 29aa00c..55e53e1 100644
--- a/lib/am/ltlib.am
+++ b/lib/am/ltlib.am
@@ -104,9 +104,11 @@ clean-%DIR%LTLIBRARIES:
 ## `so_locations' files are created by some linkers (IRIX, OSF) when
 ## building a shared object.  Libtool places these files in the
 ## directory where the shared object is created.
-       @list='$(%DIR%_LTLIBRARIES)'; for p in $$list; do \
-         dir="`echo $$p | sed -e 's|/[^/]*$$||'`"; \
-         test "$$dir" != "$$p" || dir=.; \
-         echo "rm -f \"$${dir}/so_locations\""; \
-         rm -f "$${dir}/so_locations"; \
-       done
+       @list='$(%DIR%_LTLIBRARIES)'; \
+       locs=`for p in $$list; do echo $$p; done | \
+             sed 's|^[^/]*$$|.|; s|/[^/]*$$||; s|$$|/so_locations|' | \
+             sort -u`; \
+       test -z "$$locs" || { \
+         echo rm -f $${locs}; \
+         rm -f $${locs}; \
+       }
diff --git a/lib/mdate-sh b/lib/mdate-sh
index c477512..60dc485 100755
--- a/lib/mdate-sh
+++ b/lib/mdate-sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Get modification time of a file or directory and pretty-print it.
 
-scriptversion=2010-02-22.21; # UTC
+scriptversion=2010-08-21.06; # UTC
 
 # Copyright (C) 1995, 1996, 1997, 2003, 2004, 2005, 2007, 2009, 2010
 # Free Software Foundation, Inc.
@@ -29,6 +29,15 @@ scriptversion=2010-02-22.21; # UTC
 # bugs to <address@hidden> or send patches to
 # <address@hidden>.
 
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
+  emulate sh
+  NULLCMD=:
+  # 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
+fi
+
 case $1 in
   '')
      echo "$0: No file.  Try \`$0 --help' for more information." 1>&2
@@ -51,6 +60,13 @@ EOF
     ;;
 esac
 
+error ()
+{
+  echo "$0: $1" >&2
+  exit 1
+}
+
+
 # Prevent date giving response in another language.
 LANG=C
 export LANG
@@ -100,6 +116,7 @@ month=
 command=
 until test $month
 do
+  test $# -gt 0 || error "failed parsing \`$ls_command /' output"
   shift
   # Add another shift to the command.
   command="$command shift;"
@@ -119,8 +136,10 @@ do
   esac
 done
 
+test -n "$month" || error "failed parsing \`$ls_command /' output"
+
 # Get the extended ls output of the file or directory.
-set dummy x`eval "$ls_command \"\$save_arg1\""`
+set dummy x`eval "$ls_command \"\\\$save_arg1\""`
 
 # Remove all preceding arguments
 eval $command
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 122b22c..d86b03b 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -505,6 +505,7 @@ mdate2.test \
 mdate3.test \
 mdate4.test \
 mdate5.test \
+mdate6.test \
 missing.test \
 missing2.test \
 missing3.test \
diff --git a/tests/Makefile.in b/tests/Makefile.in
index 81fda48..77ec888 100644
--- a/tests/Makefile.in
+++ b/tests/Makefile.in
@@ -716,6 +716,7 @@ mdate2.test \
 mdate3.test \
 mdate4.test \
 mdate5.test \
+mdate6.test \
 missing.test \
 missing2.test \
 missing3.test \
diff --git a/tests/acloca23.test b/tests/mdate6.test
similarity index 71%
copy from tests/acloca23.test
copy to tests/mdate6.test
index 1741e70..e7f7d69 100755
--- a/tests/acloca23.test
+++ b/tests/mdate6.test
@@ -14,24 +14,22 @@
 # 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 we diagnose underquoted AC_DEFUN's.
+# mdate-sh can work with weird file names, doesn't eval too much.
 
 . ./defs || Exit 1
 
 set -e
 
-cat >> configure.in << 'END'
-FOO
-END
+a=
+file='file  name $a'
+( : > "$file" ) || Exit 77
 
-mkdir m4
-cat >m4/foo.m4 <<EOF
-AC_DEFUN(FOO, [echo foo])
-EOF
-
-$ACLOCAL -I m4 2>stderr && { cat stderr >&2; Exit 1; }
+cp "$testsrcdir"/../lib/mdate-sh .
+$SHELL ./mdate-sh "$file" >stdout 2>stderr ||
+  { cat stdout; cat stderr >&2; Exit 1; }
+cat stdout
 cat stderr >&2
-grep 'underquoted definition.*FOO' stderr
-grep 'warning.*warning' stderr && Exit 1
+grep '[12][0-9]\{3\}' stdout
+test ! -s stderr
 
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