[SCM] GNU Libtool branch, master, updated. v2.4.2-145-g7a78cca

[Gary V. Vaughan]

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commit 7a78cca31bca68f3cf2e398d26b03f3980331d72
Author: Gary V. Vaughan <address@hidden>
Date:   Sat Dec 24 08:32:47 2011 +0700

    bootstrap: fix Autoconf version typo.
    
    * build-aux/options-parses: s/2\.62/2.68/
    
    Signed-off-by: Gary V. Vaughan <address@hidden>

commit c8e9d169e19c457366d5237312ee6b9dbca2e4d7
Author: Gary V. Vaughan <address@hidden>
Date:   Sat Dec 24 08:30:12 2011 +0700

    gnulib: update gnulib submodule.
    
    Among others, this fixes the reference to a local commit.
    * gnulib: Updated to todays master HEAD revision.
    * gl/top/README-release.diff: Update to account for changes to
    gnulib/top/README-release since the last gnulib update.
    
    Signed-off-by: Gary V. Vaughan <address@hidden>

commit eabd3ad629a8a7112c1bf58aeaf26dc79fbe0ce2
Author: Gary V. Vaughan <address@hidden>
Date:   Sun Dec 18 20:41:10 2011 +0700

    libtool: make fork minimisation compatible with dash and zsh.
    
    * build-aub/general.m4sh (lt_HAVE_PLUSEQ_OP): Instead of using
    $((..)) arithmetic, which causes an error on dash, use a case
    based bash version check.
    (lt_HAVE_ARITH_OP, lt_HAVE_XSI_OPS): Also short circuit the
    feature probing forks and set these automatically when zsh is
    detected.
    Reported by Stefano Lattarini.
    
    Signed-off-by: Gary V. Vaughan <address@hidden>

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

Summary of changes:
 build-aux/general.m4sh     |   12 +++++++-----
 build-aux/options-parser   |    2 +-
 gl/top/README-release.diff |    8 ++++----
 gnulib                     |    2 +-
 4 files changed, 13 insertions(+), 11 deletions(-)

diff --git a/build-aux/general.m4sh b/build-aux/general.m4sh
index e96c0e4..3cfecee 100644
--- a/build-aux/general.m4sh
+++ b/build-aux/general.m4sh
@@ -75,14 +75,16 @@ basename='s|^.*/||'
 
 
 # We should try to minimise forks, especially on Windows where they are
-# unreasonably slow, so skip the feature probes when bash is being used:
-if test set = "${BASH_VERSION+set}"; then
+# unreasonably slow, so skip the feature probes when bash or zsh are
+# being used:
+if test set = "${BASH_VERSION+set}${ZSH_VERSION}"; then
     : ${lt_HAVE_ARITH_OP="yes"}
     : ${lt_HAVE_XSI_OPS="yes"}
     # The += operator was introduced in bash 3.1
-    test -z "$lt_HAVE_PLUSEQ_OP" \
-      && test 3000 -lt "$((${BASH_VERSINFO[0]}*1000 + ${BASH_VERSINFO[1]}))" \
-      && lt_HAVE_PLUSEQ_OP=yes
+    case $BASH_VERSION in
+      [12].* | 3.0 | 3.0.*) ;;
+      *)                    lt_HAVE_PLUSEQ_OP=yes ;;
+    esac
 fi
 
 
diff --git a/build-aux/options-parser b/build-aux/options-parser
index 07a9731..9d42418 100644
--- a/build-aux/options-parser
+++ b/build-aux/options-parser
@@ -176,7 +176,7 @@ nl='
 # There are still modern systems that have problems with `echo' mis-
 # handling backslashes, among others, so make sure $bs_echo is set to a
 # command that correctly interprets backslashes.
-# (this code from Autoconf 2.62)
+# (this code from Autoconf 2.68)
 
 # Printing a long string crashes Solaris 7 /usr/bin/printf.
 
bs_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
diff --git a/gl/top/README-release.diff b/gl/top/README-release.diff
index 9f89724..4cc43f3 100644
--- a/gl/top/README-release.diff
+++ b/gl/top/README-release.diff
@@ -1,5 +1,5 @@
---- gnulib/top/README-release  2011-10-23 14:32:58.000000000 +0700
-+++ gl/top/README-release      2011-10-23 14:38:40.000000000 +0700
+--- gnulib/top/README-release  2011-12-24 08:28:59.000000000 +0700
++++ gl/top/README-release      2011-12-24 09:01:01.000000000 +0700
 @@ -1,5 +1,9 @@
  Here are most of the steps we (maintainers) follow when making a release.
  
@@ -10,11 +10,11 @@
  * start from a clean, up-to-date git directory.
  
      make -k maintainer-clean || { ./configure && make maintainer-clean; }
-@@ -18,12 +24,24 @@
+@@ -18,12 +22,24 @@
  
      http://hydra.nixos.org/jobset/gnu/@address@hidden
  
--* Run "./bootstrap && ./configure".  This downloads any new translations:
+-* Run "./bootstrap && ./configure".  This downloads any new translations.
 +* Double check that serial number updates in public m4 files weren't
 +  forgotten since last release (they should be updated in git along with
 +  commits that require it so that users can work with git snapshots).
diff --git a/gnulib b/gnulib
index f51babf..576e46c 160000
--- a/gnulib
+++ b/gnulib
@@ -1 +1 @@
-Subproject commit f51babfaf400eb509f854cad509f5e649b9182b1
+Subproject commit 576e46cb89ee781ec9f8352723b5dc96d3c7fd1f


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