16a46240fSmrg# ltsugar.m4 -- libtool m4 base layer. -*-Autoconf-*- 26a46240fSmrg# 36a46240fSmrg# Copyright (C) 2004-2005, 2007-2008, 2011-2019, 2021-2022 Free Software 46a46240fSmrg# Foundation, Inc. 56a46240fSmrg# Written by Gary V. Vaughan, 2004 66a46240fSmrg# 76a46240fSmrg# This file is free software; the Free Software Foundation gives 86a46240fSmrg# unlimited permission to copy and/or distribute it, with or without 96a46240fSmrg# modifications, as long as this notice is preserved. 106a46240fSmrg 116a46240fSmrg# serial 6 ltsugar.m4 126a46240fSmrg 136a46240fSmrg# This is to help aclocal find these macros, as it can't see m4_define. 146a46240fSmrgAC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])]) 156a46240fSmrg 166a46240fSmrg 176a46240fSmrg# lt_join(SEP, ARG1, [ARG2...]) 186a46240fSmrg# ----------------------------- 196a46240fSmrg# Produce ARG1SEPARG2...SEPARGn, omitting [] arguments and their 206a46240fSmrg# associated separator. 216a46240fSmrg# Needed until we can rely on m4_join from Autoconf 2.62, since all earlier 226a46240fSmrg# versions in m4sugar had bugs. 236a46240fSmrgm4_define([lt_join], 246a46240fSmrg[m4_if([$#], [1], [], 256a46240fSmrg [$#], [2], [[$2]], 266a46240fSmrg [m4_if([$2], [], [], [[$2]_])$0([$1], m4_shift(m4_shift($@)))])]) 276a46240fSmrgm4_define([_lt_join], 286a46240fSmrg[m4_if([$#$2], [2], [], 296a46240fSmrg [m4_if([$2], [], [], [[$1$2]])$0([$1], m4_shift(m4_shift($@)))])]) 306a46240fSmrg 316a46240fSmrg 326a46240fSmrg# lt_car(LIST) 336a46240fSmrg# lt_cdr(LIST) 346a46240fSmrg# ------------ 356a46240fSmrg# Manipulate m4 lists. 366a46240fSmrg# These macros are necessary as long as will still need to support 376a46240fSmrg# Autoconf-2.59, which quotes differently. 386a46240fSmrgm4_define([lt_car], [[$1]]) 396a46240fSmrgm4_define([lt_cdr], 406a46240fSmrg[m4_if([$#], 0, [m4_fatal([$0: cannot be called without arguments])], 416a46240fSmrg [$#], 1, [], 426a46240fSmrg [m4_dquote(m4_shift($@))])]) 436a46240fSmrgm4_define([lt_unquote], $1) 446a46240fSmrg 456a46240fSmrg 466a46240fSmrg# lt_append(MACRO-NAME, STRING, [SEPARATOR]) 476a46240fSmrg# ------------------------------------------ 486a46240fSmrg# Redefine MACRO-NAME to hold its former content plus 'SEPARATOR''STRING'. 496a46240fSmrg# Note that neither SEPARATOR nor STRING are expanded; they are appended 506a46240fSmrg# to MACRO-NAME as is (leaving the expansion for when MACRO-NAME is invoked). 516a46240fSmrg# No SEPARATOR is output if MACRO-NAME was previously undefined (different 526a46240fSmrg# than defined and empty). 536a46240fSmrg# 546a46240fSmrg# This macro is needed until we can rely on Autoconf 2.62, since earlier 556a46240fSmrg# versions of m4sugar mistakenly expanded SEPARATOR but not STRING. 566a46240fSmrgm4_define([lt_append], 576a46240fSmrg[m4_define([$1], 586a46240fSmrg m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])]) 596a46240fSmrg 606a46240fSmrg 616a46240fSmrg 626a46240fSmrg# lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...]) 636a46240fSmrg# ---------------------------------------------------------- 646a46240fSmrg# Produce a SEP delimited list of all paired combinations of elements of 656a46240fSmrg# PREFIX-LIST with SUFFIX1 through SUFFIXn. Each element of the list 666a46240fSmrg# has the form PREFIXmINFIXSUFFIXn. 676a46240fSmrg# Needed until we can rely on m4_combine added in Autoconf 2.62. 686a46240fSmrgm4_define([lt_combine], 696a46240fSmrg[m4_if(m4_eval([$# > 3]), [1], 706a46240fSmrg [m4_pushdef([_Lt_sep], [m4_define([_Lt_sep], m4_defn([lt_car]))])]]dnl 716a46240fSmrg[[m4_foreach([_Lt_prefix], [$2], 726a46240fSmrg [m4_foreach([_Lt_suffix], 736a46240fSmrg ]m4_dquote(m4_dquote(m4_shift(m4_shift(m4_shift($@)))))[, 746a46240fSmrg [_Lt_sep([$1])[]m4_defn([_Lt_prefix])[$3]m4_defn([_Lt_suffix])])])])]) 756a46240fSmrg 766a46240fSmrg 776a46240fSmrg# lt_if_append_uniq(MACRO-NAME, VARNAME, [SEPARATOR], [UNIQ], [NOT-UNIQ]) 786a46240fSmrg# ----------------------------------------------------------------------- 796a46240fSmrg# Iff MACRO-NAME does not yet contain VARNAME, then append it (delimited 806a46240fSmrg# by SEPARATOR if supplied) and expand UNIQ, else NOT-UNIQ. 816a46240fSmrgm4_define([lt_if_append_uniq], 826a46240fSmrg[m4_ifdef([$1], 836a46240fSmrg [m4_if(m4_index([$3]m4_defn([$1])[$3], [$3$2$3]), [-1], 846a46240fSmrg [lt_append([$1], [$2], [$3])$4], 856a46240fSmrg [$5])], 866a46240fSmrg [lt_append([$1], [$2], [$3])$4])]) 876a46240fSmrg 886a46240fSmrg 896a46240fSmrg# lt_dict_add(DICT, KEY, VALUE) 906a46240fSmrg# ----------------------------- 916a46240fSmrgm4_define([lt_dict_add], 926a46240fSmrg[m4_define([$1($2)], [$3])]) 936a46240fSmrg 946a46240fSmrg 956a46240fSmrg# lt_dict_add_subkey(DICT, KEY, SUBKEY, VALUE) 966a46240fSmrg# -------------------------------------------- 976a46240fSmrgm4_define([lt_dict_add_subkey], 986a46240fSmrg[m4_define([$1($2:$3)], [$4])]) 996a46240fSmrg 1006a46240fSmrg 1016a46240fSmrg# lt_dict_fetch(DICT, KEY, [SUBKEY]) 1026a46240fSmrg# ---------------------------------- 1036a46240fSmrgm4_define([lt_dict_fetch], 1046a46240fSmrg[m4_ifval([$3], 1056a46240fSmrg m4_ifdef([$1($2:$3)], [m4_defn([$1($2:$3)])]), 1066a46240fSmrg m4_ifdef([$1($2)], [m4_defn([$1($2)])]))]) 1076a46240fSmrg 1086a46240fSmrg 1096a46240fSmrg# lt_if_dict_fetch(DICT, KEY, [SUBKEY], VALUE, IF-TRUE, [IF-FALSE]) 1106a46240fSmrg# ----------------------------------------------------------------- 1116a46240fSmrgm4_define([lt_if_dict_fetch], 1126a46240fSmrg[m4_if(lt_dict_fetch([$1], [$2], [$3]), [$4], 1136a46240fSmrg [$5], 1146a46240fSmrg [$6])]) 1156a46240fSmrg 1166a46240fSmrg 1176a46240fSmrg# lt_dict_filter(DICT, [SUBKEY], VALUE, [SEPARATOR], KEY, [...]) 1186a46240fSmrg# -------------------------------------------------------------- 1196a46240fSmrgm4_define([lt_dict_filter], 1206a46240fSmrg[m4_if([$5], [], [], 1216a46240fSmrg [lt_join(m4_quote(m4_default([$4], [[, ]])), 1226a46240fSmrg lt_unquote(m4_split(m4_normalize(m4_foreach(_Lt_key, lt_car([m4_shiftn(4, $@)]), 1236a46240fSmrg [lt_if_dict_fetch([$1], _Lt_key, [$2], [$3], [_Lt_key ])])))))])[]dnl 1246a46240fSmrg]) 125