1a33c354dSmrg# ltsugar.m4 -- libtool m4 base layer. -*-Autoconf-*- 2a33c354dSmrg# 3a33c354dSmrg# Copyright (C) 2004-2005, 2007-2008, 2011-2019, 2021-2022 Free Software 4a33c354dSmrg# Foundation, Inc. 5a33c354dSmrg# Written by Gary V. Vaughan, 2004 6a33c354dSmrg# 7a33c354dSmrg# This file is free software; the Free Software Foundation gives 8a33c354dSmrg# unlimited permission to copy and/or distribute it, with or without 9a33c354dSmrg# modifications, as long as this notice is preserved. 10a33c354dSmrg 11a33c354dSmrg# serial 6 ltsugar.m4 12a33c354dSmrg 13a33c354dSmrg# This is to help aclocal find these macros, as it can't see m4_define. 14a33c354dSmrgAC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])]) 15a33c354dSmrg 16a33c354dSmrg 17a33c354dSmrg# lt_join(SEP, ARG1, [ARG2...]) 18a33c354dSmrg# ----------------------------- 19a33c354dSmrg# Produce ARG1SEPARG2...SEPARGn, omitting [] arguments and their 20a33c354dSmrg# associated separator. 21a33c354dSmrg# Needed until we can rely on m4_join from Autoconf 2.62, since all earlier 22a33c354dSmrg# versions in m4sugar had bugs. 23a33c354dSmrgm4_define([lt_join], 24a33c354dSmrg[m4_if([$#], [1], [], 25a33c354dSmrg [$#], [2], [[$2]], 26a33c354dSmrg [m4_if([$2], [], [], [[$2]_])$0([$1], m4_shift(m4_shift($@)))])]) 27a33c354dSmrgm4_define([_lt_join], 28a33c354dSmrg[m4_if([$#$2], [2], [], 29a33c354dSmrg [m4_if([$2], [], [], [[$1$2]])$0([$1], m4_shift(m4_shift($@)))])]) 30a33c354dSmrg 31a33c354dSmrg 32a33c354dSmrg# lt_car(LIST) 33a33c354dSmrg# lt_cdr(LIST) 34a33c354dSmrg# ------------ 35a33c354dSmrg# Manipulate m4 lists. 36a33c354dSmrg# These macros are necessary as long as will still need to support 37a33c354dSmrg# Autoconf-2.59, which quotes differently. 38a33c354dSmrgm4_define([lt_car], [[$1]]) 39a33c354dSmrgm4_define([lt_cdr], 40a33c354dSmrg[m4_if([$#], 0, [m4_fatal([$0: cannot be called without arguments])], 41a33c354dSmrg [$#], 1, [], 42a33c354dSmrg [m4_dquote(m4_shift($@))])]) 43a33c354dSmrgm4_define([lt_unquote], $1) 44a33c354dSmrg 45a33c354dSmrg 46a33c354dSmrg# lt_append(MACRO-NAME, STRING, [SEPARATOR]) 47a33c354dSmrg# ------------------------------------------ 48a33c354dSmrg# Redefine MACRO-NAME to hold its former content plus 'SEPARATOR''STRING'. 49a33c354dSmrg# Note that neither SEPARATOR nor STRING are expanded; they are appended 50a33c354dSmrg# to MACRO-NAME as is (leaving the expansion for when MACRO-NAME is invoked). 51a33c354dSmrg# No SEPARATOR is output if MACRO-NAME was previously undefined (different 52a33c354dSmrg# than defined and empty). 53a33c354dSmrg# 54a33c354dSmrg# This macro is needed until we can rely on Autoconf 2.62, since earlier 55a33c354dSmrg# versions of m4sugar mistakenly expanded SEPARATOR but not STRING. 56a33c354dSmrgm4_define([lt_append], 57a33c354dSmrg[m4_define([$1], 58a33c354dSmrg m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])]) 59a33c354dSmrg 60a33c354dSmrg 61a33c354dSmrg 62a33c354dSmrg# lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...]) 63a33c354dSmrg# ---------------------------------------------------------- 64a33c354dSmrg# Produce a SEP delimited list of all paired combinations of elements of 65a33c354dSmrg# PREFIX-LIST with SUFFIX1 through SUFFIXn. Each element of the list 66a33c354dSmrg# has the form PREFIXmINFIXSUFFIXn. 67a33c354dSmrg# Needed until we can rely on m4_combine added in Autoconf 2.62. 68a33c354dSmrgm4_define([lt_combine], 69a33c354dSmrg[m4_if(m4_eval([$# > 3]), [1], 70a33c354dSmrg [m4_pushdef([_Lt_sep], [m4_define([_Lt_sep], m4_defn([lt_car]))])]]dnl 71a33c354dSmrg[[m4_foreach([_Lt_prefix], [$2], 72a33c354dSmrg [m4_foreach([_Lt_suffix], 73a33c354dSmrg ]m4_dquote(m4_dquote(m4_shift(m4_shift(m4_shift($@)))))[, 74a33c354dSmrg [_Lt_sep([$1])[]m4_defn([_Lt_prefix])[$3]m4_defn([_Lt_suffix])])])])]) 75a33c354dSmrg 76a33c354dSmrg 77a33c354dSmrg# lt_if_append_uniq(MACRO-NAME, VARNAME, [SEPARATOR], [UNIQ], [NOT-UNIQ]) 78a33c354dSmrg# ----------------------------------------------------------------------- 79a33c354dSmrg# Iff MACRO-NAME does not yet contain VARNAME, then append it (delimited 80a33c354dSmrg# by SEPARATOR if supplied) and expand UNIQ, else NOT-UNIQ. 81a33c354dSmrgm4_define([lt_if_append_uniq], 82a33c354dSmrg[m4_ifdef([$1], 83a33c354dSmrg [m4_if(m4_index([$3]m4_defn([$1])[$3], [$3$2$3]), [-1], 84a33c354dSmrg [lt_append([$1], [$2], [$3])$4], 85a33c354dSmrg [$5])], 86a33c354dSmrg [lt_append([$1], [$2], [$3])$4])]) 87a33c354dSmrg 88a33c354dSmrg 89a33c354dSmrg# lt_dict_add(DICT, KEY, VALUE) 90a33c354dSmrg# ----------------------------- 91a33c354dSmrgm4_define([lt_dict_add], 92a33c354dSmrg[m4_define([$1($2)], [$3])]) 93a33c354dSmrg 94a33c354dSmrg 95a33c354dSmrg# lt_dict_add_subkey(DICT, KEY, SUBKEY, VALUE) 96a33c354dSmrg# -------------------------------------------- 97a33c354dSmrgm4_define([lt_dict_add_subkey], 98a33c354dSmrg[m4_define([$1($2:$3)], [$4])]) 99a33c354dSmrg 100a33c354dSmrg 101a33c354dSmrg# lt_dict_fetch(DICT, KEY, [SUBKEY]) 102a33c354dSmrg# ---------------------------------- 103a33c354dSmrgm4_define([lt_dict_fetch], 104a33c354dSmrg[m4_ifval([$3], 105a33c354dSmrg m4_ifdef([$1($2:$3)], [m4_defn([$1($2:$3)])]), 106a33c354dSmrg m4_ifdef([$1($2)], [m4_defn([$1($2)])]))]) 107a33c354dSmrg 108a33c354dSmrg 109a33c354dSmrg# lt_if_dict_fetch(DICT, KEY, [SUBKEY], VALUE, IF-TRUE, [IF-FALSE]) 110a33c354dSmrg# ----------------------------------------------------------------- 111a33c354dSmrgm4_define([lt_if_dict_fetch], 112a33c354dSmrg[m4_if(lt_dict_fetch([$1], [$2], [$3]), [$4], 113a33c354dSmrg [$5], 114a33c354dSmrg [$6])]) 115a33c354dSmrg 116a33c354dSmrg 117a33c354dSmrg# lt_dict_filter(DICT, [SUBKEY], VALUE, [SEPARATOR], KEY, [...]) 118a33c354dSmrg# -------------------------------------------------------------- 119a33c354dSmrgm4_define([lt_dict_filter], 120a33c354dSmrg[m4_if([$5], [], [], 121a33c354dSmrg [lt_join(m4_quote(m4_default([$4], [[, ]])), 122a33c354dSmrg lt_unquote(m4_split(m4_normalize(m4_foreach(_Lt_key, lt_car([m4_shiftn(4, $@)]), 123a33c354dSmrg [lt_if_dict_fetch([$1], _Lt_key, [$2], [$3], [_Lt_key ])])))))])[]dnl 124a33c354dSmrg]) 125