1 # ltsugar.m4 -- libtool m4 base layer. -*-Autoconf-*-
3 # Copyright (C) 2004 Free Software Foundation, Inc.
4 # Written by Gary V. Vaughan.
6 # This program is free software; you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation; either version 2 of the License, or
9 # (at your option) any later version.
11 # This program is distributed in the hope that it will be useful, but
12 # WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 # General Public License for more details.
16 # You should have received a copy of the GNU General Public License
17 # along with this program; if not, write to the Free Software
18 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20 # As a special exception to the GNU General Public License, if you
21 # distribute this file as part of a program that contains a
22 # configuration script generated by Autoconf, you may include it under
23 # the same distribution terms that you use for the rest of that program.
27 # This is to help aclocal find these macros, as it can't see m4_define.
28 AC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])])
31 # lt_join(SEP, ARG1, [ARG2...])
32 # -----------------------------
33 # Produce ARG1SEPARG2...SEPARGn, omitting [] arguments and their
34 # associated separator.
37 [0], [m4_fatal([$0: too few arguments: $#])],
42 [[$2][$1][]$0([$1], m4_shiftn(2, $@))],
45 [$0([$1], [$2], m4_shiftn(3, $@))])])],
46 [$0([$1], m4_shiftn(2, $@))])])[]dnl
50 # lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...])
51 # ----------------------------------------------------------
52 # Produce a SEP delimited list of all paired combinations of elements of
53 # PREFIX-LIST with SUFFIX1 through SUFFIXn. Each element of the list
54 # has the form PREFIXmINFIXSUFFIXn.
55 m4_define([lt_combine],
56 [m4_if([$2], [[]], [],
57 [lt_join(m4_quote(m4_default([$1], [, ])),
58 _$0([$1], m4_car($2)[$3], m4_shiftn(3, $@)),
59 $0([$1], m4_cdr($2), m4_shiftn(2, $@)))])])
60 m4_define([_lt_combine],
62 [lt_join(m4_quote(m4_default([$1], [, ])),
64 $0([$1], [$2], m4_shiftn(3, $@)))])[]dnl
68 # lt_if_append_uniq(MACRO-NAME, VARNAME, [SEPARATOR], [UNIQ], [NOT-UNIQ])
69 # -----------------------------------------------------------------------
70 # Iff MACRO-NAME does not yet contain VARNAME, then append it (delimited
71 # by SEPARATOR if supplied) and expand UNIQ, else NOT-UNIQ.
72 m4_define([lt_if_append_uniq],
74 [m4_bmatch($3[]m4_defn([$1])$3, $3[]m4_re_escape([$2])$3,
76 [m4_append([$1], [$2], [$3])$4])],
77 [m4_append([$1], [$2], [$3])$4])])
80 # lt_dict_add(DICT, KEY, VALUE)
81 # -----------------------------
82 m4_define([lt_dict_add],
83 [m4_define([$1($2)], [$4])])
86 # lt_dict_add_subkey(DICT, KEY, SUBKEY, VALUE)
87 # --------------------------------------------
88 m4_define([lt_dict_add_subkey],
89 [m4_define([$1($2:$3)], [$4])])
92 # lt_dict_fetch(DICT, KEY, [SUBKEY])
93 # ----------------------------------
94 m4_define([lt_dict_fetch],
96 m4_ifdef([$1($2:$3)], [m4_defn([$1($2:$3)])]),
97 m4_ifdef([$1($2)], [m4_defn([$1($2)])]))])
100 # lt_if_dict_fetch(DICT, KEY, [SUBKEY], VALUE, IF-TRUE, [IF-FALSE])
101 # -----------------------------------------------------------------
102 m4_define([lt_if_dict_fetch],
103 [m4_if(lt_dict_fetch([$1], [$2], [$3]), [$4],
108 # lt_dict_filter(DICT, [SUBKEY], VALUE, [SEPARATOR], KEY, [...])
109 # ------------------------------------------------------------
110 m4_define([lt_dict_filter],
112 [lt_join(m4_quote(m4_default([$4], [[, ]])),
113 m4_quote(lt_if_dict_fetch([$1], [$5], [$2], [$3], [$5])),
114 m4_quote($0([$1], [$2], [$3], [$4], m4_shiftn(5, $@))))])dnl