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Diffstat (limited to 'm4/ltsugar.m4')
| -rw-r--r-- | m4/ltsugar.m4 | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/m4/ltsugar.m4 b/m4/ltsugar.m4 new file mode 100644 index 000000000..c0f31aa63 --- /dev/null +++ b/m4/ltsugar.m4 @@ -0,0 +1,115 @@ +# ltsugar.m4 -- libtool m4 base layer. -*-Autoconf-*- +# +# Copyright (C) 2004 Free Software Foundation, Inc. +# Written by Gary V. Vaughan. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +# +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program that contains a +# configuration script generated by Autoconf, you may include it under +# the same distribution terms that you use for the rest of that program. + +# serial 1 + +# 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. +m4_define([lt_join], +[m4_case([$#], + [0], [m4_fatal([$0: too few arguments: $#])], + [1], [], + [2], [[$2]], + [m4_ifval([$2], + [m4_ifval([$3], + [[$2][$1][]$0([$1], m4_shiftn(2, $@))], + [m4_if([$#], [3], + [$2], + [$0([$1], [$2], m4_shiftn(3, $@))])])], + [$0([$1], m4_shiftn(2, $@))])])[]dnl +]) + + +# 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. +m4_define([lt_combine], +[m4_if([$2], [[]], [], + [lt_join(m4_quote(m4_default([$1], [, ])), + _$0([$1], m4_car($2)[$3], m4_shiftn(3, $@)), + $0([$1], m4_cdr($2), m4_shiftn(2, $@)))])]) +m4_define([_lt_combine], +[m4_if([$3], [], [], + [lt_join(m4_quote(m4_default([$1], [, ])), + [$2$3], + $0([$1], [$2], m4_shiftn(3, $@)))])[]dnl +]) + + +# 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_bmatch($3[]m4_defn([$1])$3, $3[]m4_re_escape([$2])$3, + [$5], + [m4_append([$1], [$2], [$3])$4])], + [m4_append([$1], [$2], [$3])$4])]) + + +# lt_dict_add(DICT, KEY, VALUE) +# ----------------------------- +m4_define([lt_dict_add], +[m4_define([$1($2)], [$4])]) + + +# 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], [[, ]])), + m4_quote(lt_if_dict_fetch([$1], [$5], [$2], [$3], [$5])), + m4_quote($0([$1], [$2], [$3], [$4], m4_shiftn(5, $@))))])dnl +]) |