1dd52494dSmrg# ltsugar.m4 -- libtool m4 base layer. -*-Autoconf-*- 2dd52494dSmrg# 333adc6acSmrg# Copyright (C) 2004-2005, 2007-2008, 2011-2019, 2021-2022 Free Software 4dd52494dSmrg# Foundation, Inc. 5dd52494dSmrg# Written by Gary V. Vaughan, 2004 6dd52494dSmrg# 7dd52494dSmrg# This file is free software; the Free Software Foundation gives 8dd52494dSmrg# unlimited permission to copy and/or distribute it, with or without 9dd52494dSmrg# modifications, as long as this notice is preserved. 10dd52494dSmrg 11dd52494dSmrg# serial 6 ltsugar.m4 12dd52494dSmrg 13dd52494dSmrg# This is to help aclocal find these macros, as it can't see m4_define. 14dd52494dSmrgAC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])]) 15dd52494dSmrg 16dd52494dSmrg 17dd52494dSmrg# lt_join(SEP, ARG1, [ARG2...]) 18dd52494dSmrg# ----------------------------- 19dd52494dSmrg# Produce ARG1SEPARG2...SEPARGn, omitting [] arguments and their 20dd52494dSmrg# associated separator. 21dd52494dSmrg# Needed until we can rely on m4_join from Autoconf 2.62, since all earlier 22dd52494dSmrg# versions in m4sugar had bugs. 23dd52494dSmrgm4_define([lt_join], 24dd52494dSmrg[m4_if([$#], [1], [], 25dd52494dSmrg [$#], [2], [[$2]], 26dd52494dSmrg [m4_if([$2], [], [], [[$2]_])$0([$1], m4_shift(m4_shift($@)))])]) 27dd52494dSmrgm4_define([_lt_join], 28dd52494dSmrg[m4_if([$#$2], [2], [], 29dd52494dSmrg [m4_if([$2], [], [], [[$1$2]])$0([$1], m4_shift(m4_shift($@)))])]) 30dd52494dSmrg 31dd52494dSmrg 32dd52494dSmrg# lt_car(LIST) 33dd52494dSmrg# lt_cdr(LIST) 34dd52494dSmrg# ------------ 35dd52494dSmrg# Manipulate m4 lists. 36dd52494dSmrg# These macros are necessary as long as will still need to support 37dd52494dSmrg# Autoconf-2.59, which quotes differently. 38dd52494dSmrgm4_define([lt_car], [[$1]]) 39dd52494dSmrgm4_define([lt_cdr], 40dd52494dSmrg[m4_if([$#], 0, [m4_fatal([$0: cannot be called without arguments])], 41dd52494dSmrg [$#], 1, [], 42dd52494dSmrg [m4_dquote(m4_shift($@))])]) 43dd52494dSmrgm4_define([lt_unquote], $1) 44dd52494dSmrg 45dd52494dSmrg 46dd52494dSmrg# lt_append(MACRO-NAME, STRING, [SEPARATOR]) 47dd52494dSmrg# ------------------------------------------ 48dd52494dSmrg# Redefine MACRO-NAME to hold its former content plus 'SEPARATOR''STRING'. 49dd52494dSmrg# Note that neither SEPARATOR nor STRING are expanded; they are appended 50dd52494dSmrg# to MACRO-NAME as is (leaving the expansion for when MACRO-NAME is invoked). 51dd52494dSmrg# No SEPARATOR is output if MACRO-NAME was previously undefined (different 52dd52494dSmrg# than defined and empty). 53dd52494dSmrg# 54dd52494dSmrg# This macro is needed until we can rely on Autoconf 2.62, since earlier 55dd52494dSmrg# versions of m4sugar mistakenly expanded SEPARATOR but not STRING. 56dd52494dSmrgm4_define([lt_append], 57dd52494dSmrg[m4_define([$1], 58dd52494dSmrg m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])]) 59dd52494dSmrg 60dd52494dSmrg 61dd52494dSmrg 62dd52494dSmrg# lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...]) 63dd52494dSmrg# ---------------------------------------------------------- 64dd52494dSmrg# Produce a SEP delimited list of all paired combinations of elements of 65dd52494dSmrg# PREFIX-LIST with SUFFIX1 through SUFFIXn. Each element of the list 66dd52494dSmrg# has the form PREFIXmINFIXSUFFIXn. 67dd52494dSmrg# Needed until we can rely on m4_combine added in Autoconf 2.62. 68dd52494dSmrgm4_define([lt_combine], 69dd52494dSmrg[m4_if(m4_eval([$# > 3]), [1], 70dd52494dSmrg [m4_pushdef([_Lt_sep], [m4_define([_Lt_sep], m4_defn([lt_car]))])]]dnl 71dd52494dSmrg[[m4_foreach([_Lt_prefix], [$2], 72dd52494dSmrg [m4_foreach([_Lt_suffix], 73dd52494dSmrg ]m4_dquote(m4_dquote(m4_shift(m4_shift(m4_shift($@)))))[, 74dd52494dSmrg [_Lt_sep([$1])[]m4_defn([_Lt_prefix])[$3]m4_defn([_Lt_suffix])])])])]) 75dd52494dSmrg 76dd52494dSmrg 77dd52494dSmrg# lt_if_append_uniq(MACRO-NAME, VARNAME, [SEPARATOR], [UNIQ], [NOT-UNIQ]) 78dd52494dSmrg# ----------------------------------------------------------------------- 79dd52494dSmrg# Iff MACRO-NAME does not yet contain VARNAME, then append it (delimited 80dd52494dSmrg# by SEPARATOR if supplied) and expand UNIQ, else NOT-UNIQ. 81dd52494dSmrgm4_define([lt_if_append_uniq], 82dd52494dSmrg[m4_ifdef([$1], 83dd52494dSmrg [m4_if(m4_index([$3]m4_defn([$1])[$3], [$3$2$3]), [-1], 84dd52494dSmrg [lt_append([$1], [$2], [$3])$4], 85dd52494dSmrg [$5])], 86dd52494dSmrg [lt_append([$1], [$2], [$3])$4])]) 87dd52494dSmrg 88dd52494dSmrg 89dd52494dSmrg# lt_dict_add(DICT, KEY, VALUE) 90dd52494dSmrg# ----------------------------- 91dd52494dSmrgm4_define([lt_dict_add], 92dd52494dSmrg[m4_define([$1($2)], [$3])]) 93dd52494dSmrg 94dd52494dSmrg 95dd52494dSmrg# lt_dict_add_subkey(DICT, KEY, SUBKEY, VALUE) 96dd52494dSmrg# -------------------------------------------- 97dd52494dSmrgm4_define([lt_dict_add_subkey], 98dd52494dSmrg[m4_define([$1($2:$3)], [$4])]) 99dd52494dSmrg 100dd52494dSmrg 101dd52494dSmrg# lt_dict_fetch(DICT, KEY, [SUBKEY]) 102dd52494dSmrg# ---------------------------------- 103dd52494dSmrgm4_define([lt_dict_fetch], 104dd52494dSmrg[m4_ifval([$3], 105dd52494dSmrg m4_ifdef([$1($2:$3)], [m4_defn([$1($2:$3)])]), 106dd52494dSmrg m4_ifdef([$1($2)], [m4_defn([$1($2)])]))]) 107dd52494dSmrg 108dd52494dSmrg 109dd52494dSmrg# lt_if_dict_fetch(DICT, KEY, [SUBKEY], VALUE, IF-TRUE, [IF-FALSE]) 110dd52494dSmrg# ----------------------------------------------------------------- 111dd52494dSmrgm4_define([lt_if_dict_fetch], 112dd52494dSmrg[m4_if(lt_dict_fetch([$1], [$2], [$3]), [$4], 113dd52494dSmrg [$5], 114dd52494dSmrg [$6])]) 115dd52494dSmrg 116dd52494dSmrg 117dd52494dSmrg# lt_dict_filter(DICT, [SUBKEY], VALUE, [SEPARATOR], KEY, [...]) 118dd52494dSmrg# -------------------------------------------------------------- 119dd52494dSmrgm4_define([lt_dict_filter], 120dd52494dSmrg[m4_if([$5], [], [], 121dd52494dSmrg [lt_join(m4_quote(m4_default([$4], [[, ]])), 122dd52494dSmrg lt_unquote(m4_split(m4_normalize(m4_foreach(_Lt_key, lt_car([m4_shiftn(4, $@)]), 123dd52494dSmrg [lt_if_dict_fetch([$1], _Lt_key, [$2], [$3], [_Lt_key ])])))))])[]dnl 124dd52494dSmrg]) 125