* g++.dg/cdce3.C: Skip on alpha*-dec-osf5*.

[pf3gnuchains/gcc-fork.git] / ltsugar.m4

diff --git a/ltsugar.m4 b/ltsugar.m4
index dd4f871..9000a05 100644 (file)
--- a/ltsugar.m4
+++ b/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.
+# 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 4 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])])
@@ -17,19 +17,15 @@ AC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])])
 # -----------------------------
 # Produce ARG1SEPARG2...SEPARGn, omitting [] arguments and their
 # associated separator.
+# Needed until we can rely on m4_join from Autoconf 2.62, since all earlier
+# versions in m4sugar had bugs.
 m4_define([lt_join],
-[m4_case([$#],
-        [0], [m4_fatal([$0: too few arguments: $#])],
-        [1], [],
-        [2], [[$2]],
-        [m4_ifval([$2],
-                  [[$2][]m4_foreach(_lt_Arg, lt_car([m4_shiftn(2, $@)]),
-                          [_$0([$1], _lt_Arg)])],
-                  [$0([$1], m4_shiftn(2, $@))])])[]dnl
-])
+[m4_if([$#], [1], [],
+       [$#], [2], [[$2]],
+       [m4_if([$2], [], [], [[$2]_])$0([$1], m4_shift(m4_shift($@)))])])
 m4_define([_lt_join],
-[m4_ifval([$2],[$1][$2])[]dnl
-])
+[m4_if([$#$2], [2], [],
+       [m4_if([$2], [], [], [[$1$2]])$0([$1], m4_shift(m4_shift($@)))])])
 
 
 # lt_car(LIST)
@@ -49,11 +45,13 @@ m4_define([lt_unquote], $1)
 # lt_append(MACRO-NAME, STRING, [SEPARATOR])
 # ------------------------------------------
 # Redefine MACRO-NAME to hold its former content plus `SEPARATOR'`STRING'.
-# Note that neither SEPARATOR nor STRING are expanded.  No SEPARATOR is
-# output if MACRO-NAME was previously undefined (different than defined
-# and empty).
+# Note that neither SEPARATOR nor STRING are expanded; they are appended
+# to MACRO-NAME as is (leaving the expansion for when MACRO-NAME is invoked).
+# No SEPARATOR is output if MACRO-NAME was previously undefined (different
+# than defined and empty).
+#
 # This macro is needed until we can rely on Autoconf 2.62, since earlier
-# versions of m4 mistakenly expanded SEPARATOR.
+# versions of m4sugar mistakenly expanded SEPARATOR but not STRING.
 m4_define([lt_append],
 [m4_define([$1],
           m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])])
@@ -65,14 +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])
@@ -84,13 +82,13 @@ m4_define([lt_if_append_uniq],
          [m4_if(m4_index([$3]m4_defn([$1])[$3], [$3$2$3]), [-1],
                 [lt_append([$1], [$2], [$3])$4],
                 [$5])],
-    [lt_append([$1], [$2], [$3])$4])])
+         [lt_append([$1], [$2], [$3])$4])])
 
 
 # lt_dict_add(DICT, KEY, VALUE)
 # -----------------------------
 m4_define([lt_dict_add],
-[m4_define([$1($2)], [$4])])
+[m4_define([$1($2)], [$3])])
 
 
 # lt_dict_add_subkey(DICT, KEY, SUBKEY, VALUE)