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[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.17.0/] [ltsugar.m4] - Diff between revs 148 and 158

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# ltsugar.m4 -- libtool m4 base layer.                         -*-Autoconf-*-
 
#
 
# 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 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])])
 
 
 
 
 
# lt_join(SEP, ARG1, [ARG2...])
 
# -----------------------------
 
# 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_if([$#], [1], [],
 
       [$#], [2], [[$2]],
 
       [m4_if([$2], [], [], [[$2]_])$0([$1], m4_shift(m4_shift($@)))])])
 
m4_define([_lt_join],
 
[m4_if([$#$2], [2], [],
 
       [m4_if([$2], [], [], [[$1$2]])$0([$1], m4_shift(m4_shift($@)))])])
 
 
 
 
 
# lt_car(LIST)
 
# lt_cdr(LIST)
 
# ------------
 
# Manipulate m4 lists.
 
# These macros are necessary as long as will still need to support
 
# Autoconf-2.59 which quotes differently.
 
m4_define([lt_car], [[$1]])
 
m4_define([lt_cdr],
 
[m4_if([$#], 0, [m4_fatal([$0: cannot be called without arguments])],
 
       [$#], 1, [],
 
       [m4_dquote(m4_shift($@))])])
 
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; 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 m4sugar mistakenly expanded SEPARATOR but not STRING.
 
m4_define([lt_append],
 
[m4_define([$1],
 
           m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])])
 
 
 
 
 
 
 
# lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...])
 
# ----------------------------------------------------------
 
# 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(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])
 
# -----------------------------------------------------------------------
 
# Iff MACRO-NAME does not yet contain VARNAME, then append it (delimited
 
# by SEPARATOR if supplied) and expand UNIQ, else NOT-UNIQ.
 
m4_define([lt_if_append_uniq],
 
[m4_ifdef([$1],
 
          [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_dict_add(DICT, KEY, VALUE)
 
# -----------------------------
 
m4_define([lt_dict_add],
 
[m4_define([$1($2)], [$3])])
 
 
 
 
 
# lt_dict_add_subkey(DICT, KEY, SUBKEY, VALUE)
 
# --------------------------------------------
 
m4_define([lt_dict_add_subkey],
 
[m4_define([$1($2:$3)], [$4])])
 
 
 
 
 
# lt_dict_fetch(DICT, KEY, [SUBKEY])
 
# ----------------------------------
 
m4_define([lt_dict_fetch],
 
[m4_ifval([$3],
 
        m4_ifdef([$1($2:$3)], [m4_defn([$1($2:$3)])]),
 
    m4_ifdef([$1($2)], [m4_defn([$1($2)])]))])
 
 
 
 
 
# lt_if_dict_fetch(DICT, KEY, [SUBKEY], VALUE, IF-TRUE, [IF-FALSE])
 
# -----------------------------------------------------------------
 
m4_define([lt_if_dict_fetch],
 
[m4_if(lt_dict_fetch([$1], [$2], [$3]), [$4],
 
        [$5],
 
    [$6])])
 
 
 
 
 
# lt_dict_filter(DICT, [SUBKEY], VALUE, [SEPARATOR], KEY, [...])
 
# --------------------------------------------------------------
 
m4_define([lt_dict_filter],
 
[m4_if([$5], [], [],
 
  [lt_join(m4_quote(m4_default([$4], [[, ]])),
 
           lt_unquote(m4_split(m4_normalize(m4_foreach(_Lt_key, lt_car([m4_shiftn(4, $@)]),
 
                      [lt_if_dict_fetch([$1], _Lt_key, [$2], [$3], [_Lt_key ])])))))])[]dnl
 
])
 
 
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