[SCM] GNU Libtool branch, master, updated. v2.2.4-7-gc44c8b3

[Eric Blake]

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- Log -----------------------------------------------------------------
commit c44c8b335035fe45c3743e5827cadcac4d7c0d5d
Author: Eric Blake <address@hidden>
Date:   Wed May 14 21:04:41 2008 +0000

    Speed up bootstrap by improving lt_combine.
    
    * libltdl/m4/ltsugar.m4 (lt_combine): Mirror Autoconf 2.62
    improvements.  Includes a semantic change where the separator can
    now be empty, and where an empty fourth argument is now treated as
    a valid suffix.
    * libltdl/m4/libtool.m4 (_lt_decl_varnames_tagged): Adjust to new
    semantics of lt_combine.
    (lt_decl_varnames_tagged): Fix quoting and optimize.
    
    Signed-off-by: Eric Blake <address@hidden>

commit d6744bdb26bcfdf12bbf16f31229088ed58a678e
Author: Eric Blake <address@hidden>
Date:   Tue May 13 22:47:32 2008 +0000

    Kill _LT_LIBSOURCES; it wasn't checking anything useful.
    
    * libltdl/m4/ltdl.m4 (_LT_LIBSOURCES): Delete.
    (LTDL_INIT): Ignore arguments to AC_LIBSOURCES during _LTDL_SETUP,
    on the assumption that libtoolize correctly installed them.
    
    Signed-off-by: Eric Blake <address@hidden>

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

Summary of changes:
 ChangeLog             |   16 ++++++++++++++++
 libltdl/m4/libtool.m4 |   18 +++++++++---------
 libltdl/m4/ltdl.m4    |   21 +++------------------
 libltdl/m4/ltsugar.m4 |   20 ++++++++++----------
 4 files changed, 38 insertions(+), 37 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 5bc51f7..853adbb 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,19 @@
+2008-05-17  Eric Blake  <address@hidden>
+
+       Speed up bootstrap by improving lt_combine.
+       * libltdl/m4/ltsugar.m4 (lt_combine): Mirror Autoconf 2.62
+       improvements.  Includes a semantic change where the separator can
+       now be empty, and where an empty fourth argument is now treated as
+       a valid suffix.
+       * libltdl/m4/libtool.m4 (_lt_decl_varnames_tagged): Adjust to new
+       semantics of lt_combine.
+       (lt_decl_varnames_tagged): Fix quoting and optimize.
+
+       Kill _LT_LIBSOURCES; it wasn't checking anything useful.
+       * libltdl/m4/ltdl.m4 (_LT_LIBSOURCES): Delete.
+       (LTDL_INIT): Ignore arguments to AC_LIBSOURCES during _LTDL_SETUP,
+       on the assumption that libtoolize correctly installed them.
+
 2008-05-13  Charles Wilson  <address@hidden>
 
        [mingw|cygwin] Modify cwrapper to invoke target directly.
diff --git a/libltdl/m4/libtool.m4 b/libltdl/m4/libtool.m4
index 4d31e80..6f9ac1b 100644
--- a/libltdl/m4/libtool.m4
+++ b/libltdl/m4/libtool.m4
@@ -380,12 +380,12 @@ m4_define([lt_decl_dquote_varnames],
 # lt_decl_varnames_tagged([SEPARATOR], [VARNAME1...])
 # ---------------------------------------------------
 m4_define([lt_decl_varnames_tagged],
-[_$0(m4_quote(m4_default([$1], [[, ]])),
-     m4_quote(m4_if([$2], [],
-                    m4_quote(lt_decl_tag_varnames),
-                 m4_quote(m4_shift($@)))),
-     m4_split(m4_normalize(m4_quote(_LT_TAGS))))])
-m4_define([_lt_decl_varnames_tagged], [lt_combine([$1], [$2], [_], $3)])
+[m4_assert([$# <= 2])dnl
+_$0(m4_quote(m4_default([$1], [[, ]])),
+    m4_ifval([$2], [[$2]], [m4_dquote(lt_decl_tag_varnames)]),
+    m4_split(m4_normalize(m4_quote(_LT_TAGS)), [ ]))])
+m4_define([_lt_decl_varnames_tagged],
+[m4_ifval([$3], [lt_combine([$1], [$2], [_], $3)])])
 
 
 # lt_decl_all_varnames([SEPARATOR], [VARNAME1...])
@@ -945,10 +945,10 @@ m4_defun_once([_LT_REQUIRED_DARWIN_CHECKS],[
       _lt_dar_allow_undefined='${wl}-undefined ${wl}suppress' ;;
     darwin1.*)
       _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined 
${wl}suppress' ;;
-    darwin*) # darwin 5.x on 
+    darwin*) # darwin 5.x on
       # if running on 10.5 or later, the deployment target defaults
       # to the OS version, if on x86, and 10.4, the deployment
-      # target defaults to 10.4. Don't you love it? 
+      # target defaults to 10.4. Don't you love it?
       case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in
        10.0,*86*-darwin8*|10.0,*-darwin[[91]]*)
          _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
@@ -2680,7 +2680,7 @@ variables_saved_for_relink="PATH $shlibpath_var 
$runpath_var"
 if test "$GCC" = yes; then
   variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX 
COMPILER_PATH LIBRARY_PATH"
 fi
- 
+
 if test "${lt_cv_sys_lib_search_path_spec+set}" = set; then
   sys_lib_search_path_spec="$lt_cv_sys_lib_search_path_spec"
 fi
diff --git a/libltdl/m4/ltdl.m4 b/libltdl/m4/ltdl.m4
index 6c277b4..cdb94e6 100644
--- a/libltdl/m4/ltdl.m4
+++ b/libltdl/m4/ltdl.m4
@@ -7,7 +7,7 @@
 # unlimited permission to copy and/or distribute it, with or without
 # modifications, as long as this notice is preserved.
 
-# serial 15 LTDL_INIT
+# serial 16 LTDL_INIT
 
 # LT_CONFIG_LTDL_DIR(DIRECTORY, [LTDL-MODE])
 # ------------------------------------------
@@ -217,21 +217,6 @@ AC_DEFUN([_LT_LIBOBJ], [
 ])# _LT_LIBOBJS
 
 
-# _LT_LIBSOURCES(MODULE_NAMES)
-# ----------------------------
-# Like AC_LIBSOURCES, except the directory where the libltdl source files
-# are expected is distinct from the user LIBOBJ directory.
-AC_DEFUN([_LT_LIBSOURCES], [
-  m4_foreach([_LTNAME], [$1], [
-    m4_syscmd([test -r "$lt_libobj_prefix]_LTNAME[" ||
-               test -z "$lt_libobj_prefix" ||
-               test ! -d "$lt_libobj_prefix"])dnl
-    m4_if(m4_sysval, [0], [],
-      [AC_FATAL([missing $lt_libobj_prefix/]_LTNAME)])
-  ])
-])# _LT_LIBSOURCES
-
-
 # LTDL_INIT([OPTIONS])
 # --------------------
 # Clients of libltdl can use this macro to allow the installer to
@@ -245,9 +230,9 @@ _LT_SET_OPTIONS([$0], [$1])
 
 dnl We need to keep our own list of libobjs separate from our parent project,
 dnl and the easiest way to do that is redefine the AC_LIBOBJs macro while
-dnl we look for our own LIBOBJs. Definitions in ltdl-libobj.m4.
+dnl we look for our own LIBOBJs.
 m4_pushdef([AC_LIBOBJ], m4_defn([_LT_LIBOBJ]))
-m4_pushdef([AC_LIBSOURCES], m4_defn([_LT_LIBSOURCES]))
+m4_pushdef([AC_LIBSOURCES])
 
 dnl If not otherwise defined, default to the 1.5.x compatible subproject mode:
 m4_if(_LTDL_MODE, [],
diff --git a/libltdl/m4/ltsugar.m4 b/libltdl/m4/ltsugar.m4
index 0d258e0..9000a05 100644
--- a/libltdl/m4/ltsugar.m4
+++ b/libltdl/m4/ltsugar.m4
@@ -1,13 +1,13 @@
 # ltsugar.m4 -- libtool m4 base layer.                         -*-Autoconf-*-
 #
-#   Copyright (C) 2004, 2005, 2007 Free Software Foundation, Inc.
-#   Written by Gary V. Vaughan, 2004
+# Copyright (C) 2004, 2005, 2007, 2008 Free Software Foundation, Inc.
+# Written by Gary V. Vaughan, 2004
 #
 # This file is free software; the Free Software Foundation gives
 # unlimited permission to copy and/or distribute it, with or without
 # modifications, as long as this notice is preserved.
 
-# serial 5 ltsugar.m4
+# serial 6 ltsugar.m4
 
 # This is to help aclocal find these macros, as it can't see m4_define.
 AC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])])
@@ -63,14 +63,14 @@ m4_define([lt_append],
 # Produce a SEP delimited list of all paired combinations of elements of
 # PREFIX-LIST with SUFFIX1 through SUFFIXn.  Each element of the list
 # has the form PREFIXmINFIXSUFFIXn.
+# Needed until we can rely on m4_combine added in Autoconf 2.62.
 m4_define([lt_combine],
-[m4_if([$2], [], [],
-  [m4_if([$4], [], [],
-    [lt_join(m4_quote(m4_default([$1], [[, ]])),
-      lt_unquote(m4_split(m4_normalize(m4_foreach(_Lt_prefix, [$2],
-                  [m4_foreach(_Lt_suffix, lt_car([m4_shiftn(3, $@)]),
-                              [_Lt_prefix[]$3[]_Lt_suffix ])])))))])])dnl
-])
+[m4_if(m4_eval([$# > 3]), [1],
+       [m4_pushdef([_Lt_sep], [m4_define([_Lt_sep], m4_defn([lt_car]))])]]dnl
+[[m4_foreach([_Lt_prefix], [$2],
+            [m4_foreach([_Lt_suffix],
+               ]m4_dquote(m4_dquote(m4_shift(m4_shift(m4_shift($@)))))[,
+       [_Lt_sep([$1])[]m4_defn([_Lt_prefix])[$3]m4_defn([_Lt_suffix])])])])])
 
 
 # lt_if_append_uniq(MACRO-NAME, VARNAME, [SEPARATOR], [UNIQ], [NOT-UNIQ])


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