104007ebaSmrg# ltsugar.m4 -- libtool m4 base layer.                         -*-Autoconf-*-
204007ebaSmrg#
379d5fcd7Smrg# Copyright (C) 2004-2005, 2007-2008, 2011-2019, 2021-2022 Free Software
405cf1079Smrg# Foundation, Inc.
504007ebaSmrg# Written by Gary V. Vaughan, 2004
604007ebaSmrg#
704007ebaSmrg# This file is free software; the Free Software Foundation gives
804007ebaSmrg# unlimited permission to copy and/or distribute it, with or without
904007ebaSmrg# modifications, as long as this notice is preserved.
1004007ebaSmrg
1104007ebaSmrg# serial 6 ltsugar.m4
1204007ebaSmrg
1304007ebaSmrg# This is to help aclocal find these macros, as it can't see m4_define.
1404007ebaSmrgAC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])])
1504007ebaSmrg
1604007ebaSmrg
1704007ebaSmrg# lt_join(SEP, ARG1, [ARG2...])
1804007ebaSmrg# -----------------------------
1904007ebaSmrg# Produce ARG1SEPARG2...SEPARGn, omitting [] arguments and their
2004007ebaSmrg# associated separator.
2104007ebaSmrg# Needed until we can rely on m4_join from Autoconf 2.62, since all earlier
2204007ebaSmrg# versions in m4sugar had bugs.
2304007ebaSmrgm4_define([lt_join],
2404007ebaSmrg[m4_if([$#], [1], [],
2504007ebaSmrg       [$#], [2], [[$2]],
2604007ebaSmrg       [m4_if([$2], [], [], [[$2]_])$0([$1], m4_shift(m4_shift($@)))])])
2704007ebaSmrgm4_define([_lt_join],
2804007ebaSmrg[m4_if([$#$2], [2], [],
2904007ebaSmrg       [m4_if([$2], [], [], [[$1$2]])$0([$1], m4_shift(m4_shift($@)))])])
3004007ebaSmrg
3104007ebaSmrg
3204007ebaSmrg# lt_car(LIST)
3304007ebaSmrg# lt_cdr(LIST)
3404007ebaSmrg# ------------
3504007ebaSmrg# Manipulate m4 lists.
3604007ebaSmrg# These macros are necessary as long as will still need to support
3705cf1079Smrg# Autoconf-2.59, which quotes differently.
3804007ebaSmrgm4_define([lt_car], [[$1]])
3904007ebaSmrgm4_define([lt_cdr],
4004007ebaSmrg[m4_if([$#], 0, [m4_fatal([$0: cannot be called without arguments])],
4104007ebaSmrg       [$#], 1, [],
4204007ebaSmrg       [m4_dquote(m4_shift($@))])])
4304007ebaSmrgm4_define([lt_unquote], $1)
4404007ebaSmrg
4504007ebaSmrg
4604007ebaSmrg# lt_append(MACRO-NAME, STRING, [SEPARATOR])
4704007ebaSmrg# ------------------------------------------
4805cf1079Smrg# Redefine MACRO-NAME to hold its former content plus 'SEPARATOR''STRING'.
4904007ebaSmrg# Note that neither SEPARATOR nor STRING are expanded; they are appended
5004007ebaSmrg# to MACRO-NAME as is (leaving the expansion for when MACRO-NAME is invoked).
5104007ebaSmrg# No SEPARATOR is output if MACRO-NAME was previously undefined (different
5204007ebaSmrg# than defined and empty).
5304007ebaSmrg#
5404007ebaSmrg# This macro is needed until we can rely on Autoconf 2.62, since earlier
5504007ebaSmrg# versions of m4sugar mistakenly expanded SEPARATOR but not STRING.
5604007ebaSmrgm4_define([lt_append],
5704007ebaSmrg[m4_define([$1],
5804007ebaSmrg	   m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])])
5904007ebaSmrg
6004007ebaSmrg
6104007ebaSmrg
6204007ebaSmrg# lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...])
6304007ebaSmrg# ----------------------------------------------------------
6404007ebaSmrg# Produce a SEP delimited list of all paired combinations of elements of
6504007ebaSmrg# PREFIX-LIST with SUFFIX1 through SUFFIXn.  Each element of the list
6604007ebaSmrg# has the form PREFIXmINFIXSUFFIXn.
6704007ebaSmrg# Needed until we can rely on m4_combine added in Autoconf 2.62.
6804007ebaSmrgm4_define([lt_combine],
6904007ebaSmrg[m4_if(m4_eval([$# > 3]), [1],
7004007ebaSmrg       [m4_pushdef([_Lt_sep], [m4_define([_Lt_sep], m4_defn([lt_car]))])]]dnl
7104007ebaSmrg[[m4_foreach([_Lt_prefix], [$2],
7204007ebaSmrg	     [m4_foreach([_Lt_suffix],
7304007ebaSmrg		]m4_dquote(m4_dquote(m4_shift(m4_shift(m4_shift($@)))))[,
7404007ebaSmrg	[_Lt_sep([$1])[]m4_defn([_Lt_prefix])[$3]m4_defn([_Lt_suffix])])])])])
7504007ebaSmrg
7604007ebaSmrg
7704007ebaSmrg# lt_if_append_uniq(MACRO-NAME, VARNAME, [SEPARATOR], [UNIQ], [NOT-UNIQ])
7804007ebaSmrg# -----------------------------------------------------------------------
7904007ebaSmrg# Iff MACRO-NAME does not yet contain VARNAME, then append it (delimited
8004007ebaSmrg# by SEPARATOR if supplied) and expand UNIQ, else NOT-UNIQ.
8104007ebaSmrgm4_define([lt_if_append_uniq],
8204007ebaSmrg[m4_ifdef([$1],
8304007ebaSmrg	  [m4_if(m4_index([$3]m4_defn([$1])[$3], [$3$2$3]), [-1],
8404007ebaSmrg		 [lt_append([$1], [$2], [$3])$4],
8504007ebaSmrg		 [$5])],
8604007ebaSmrg	  [lt_append([$1], [$2], [$3])$4])])
8704007ebaSmrg
8804007ebaSmrg
8904007ebaSmrg# lt_dict_add(DICT, KEY, VALUE)
9004007ebaSmrg# -----------------------------
9104007ebaSmrgm4_define([lt_dict_add],
9204007ebaSmrg[m4_define([$1($2)], [$3])])
9304007ebaSmrg
9404007ebaSmrg
9504007ebaSmrg# lt_dict_add_subkey(DICT, KEY, SUBKEY, VALUE)
9604007ebaSmrg# --------------------------------------------
9704007ebaSmrgm4_define([lt_dict_add_subkey],
9804007ebaSmrg[m4_define([$1($2:$3)], [$4])])
9904007ebaSmrg
10004007ebaSmrg
10104007ebaSmrg# lt_dict_fetch(DICT, KEY, [SUBKEY])
10204007ebaSmrg# ----------------------------------
10304007ebaSmrgm4_define([lt_dict_fetch],
10404007ebaSmrg[m4_ifval([$3],
10504007ebaSmrg	m4_ifdef([$1($2:$3)], [m4_defn([$1($2:$3)])]),
10604007ebaSmrg    m4_ifdef([$1($2)], [m4_defn([$1($2)])]))])
10704007ebaSmrg
10804007ebaSmrg
10904007ebaSmrg# lt_if_dict_fetch(DICT, KEY, [SUBKEY], VALUE, IF-TRUE, [IF-FALSE])
11004007ebaSmrg# -----------------------------------------------------------------
11104007ebaSmrgm4_define([lt_if_dict_fetch],
11204007ebaSmrg[m4_if(lt_dict_fetch([$1], [$2], [$3]), [$4],
11304007ebaSmrg	[$5],
11404007ebaSmrg    [$6])])
11504007ebaSmrg
11604007ebaSmrg
11704007ebaSmrg# lt_dict_filter(DICT, [SUBKEY], VALUE, [SEPARATOR], KEY, [...])
11804007ebaSmrg# --------------------------------------------------------------
11904007ebaSmrgm4_define([lt_dict_filter],
12004007ebaSmrg[m4_if([$5], [], [],
12104007ebaSmrg  [lt_join(m4_quote(m4_default([$4], [[, ]])),
12204007ebaSmrg           lt_unquote(m4_split(m4_normalize(m4_foreach(_Lt_key, lt_car([m4_shiftn(4, $@)]),
12304007ebaSmrg		      [lt_if_dict_fetch([$1], _Lt_key, [$2], [$3], [_Lt_key ])])))))])[]dnl
12404007ebaSmrg])
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