1ae545d91Smrg# ltsugar.m4 -- libtool m4 base layer. -*-Autoconf-*- 2ae545d91Smrg# 3ae545d91Smrg# Copyright (C) 2004-2005, 2007-2008, 2011-2019, 2021-2024 Free Software 4ae545d91Smrg# Foundation, Inc. 5ae545d91Smrg# Written by Gary V. Vaughan, 2004 6ae545d91Smrg# 7ae545d91Smrg# This file is free software; the Free Software Foundation gives 8ae545d91Smrg# unlimited permission to copy and/or distribute it, with or without 9ae545d91Smrg# modifications, as long as this notice is preserved. 10ae545d91Smrg 11ae545d91Smrg# serial 6 ltsugar.m4 12ae545d91Smrg 13ae545d91Smrg# This is to help aclocal find these macros, as it can't see m4_define. 14ae545d91SmrgAC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])]) 15ae545d91Smrg 16ae545d91Smrg 17ae545d91Smrg# lt_join(SEP, ARG1, [ARG2...]) 18ae545d91Smrg# ----------------------------- 19ae545d91Smrg# Produce ARG1SEPARG2...SEPARGn, omitting [] arguments and their 20ae545d91Smrg# associated separator. 21ae545d91Smrg# Needed until we can rely on m4_join from Autoconf 2.62, since all earlier 22ae545d91Smrg# versions in m4sugar had bugs. 23ae545d91Smrgm4_define([lt_join], 24ae545d91Smrg[m4_if([$#], [1], [], 25ae545d91Smrg [$#], [2], [[$2]], 26ae545d91Smrg [m4_if([$2], [], [], [[$2]_])$0([$1], m4_shift(m4_shift($@)))])]) 27ae545d91Smrgm4_define([_lt_join], 28ae545d91Smrg[m4_if([$#$2], [2], [], 29ae545d91Smrg [m4_if([$2], [], [], [[$1$2]])$0([$1], m4_shift(m4_shift($@)))])]) 30ae545d91Smrg 31ae545d91Smrg 32ae545d91Smrg# lt_car(LIST) 33ae545d91Smrg# lt_cdr(LIST) 34ae545d91Smrg# ------------ 35ae545d91Smrg# Manipulate m4 lists. 36ae545d91Smrg# These macros are necessary as long as will still need to support 37ae545d91Smrg# Autoconf-2.59, which quotes differently. 38ae545d91Smrgm4_define([lt_car], [[$1]]) 39ae545d91Smrgm4_define([lt_cdr], 40ae545d91Smrg[m4_if([$#], 0, [m4_fatal([$0: cannot be called without arguments])], 41ae545d91Smrg [$#], 1, [], 42ae545d91Smrg [m4_dquote(m4_shift($@))])]) 43ae545d91Smrgm4_define([lt_unquote], $1) 44ae545d91Smrg 45ae545d91Smrg 46ae545d91Smrg# lt_append(MACRO-NAME, STRING, [SEPARATOR]) 47ae545d91Smrg# ------------------------------------------ 48ae545d91Smrg# Redefine MACRO-NAME to hold its former content plus 'SEPARATOR''STRING'. 49ae545d91Smrg# Note that neither SEPARATOR nor STRING are expanded; they are appended 50ae545d91Smrg# to MACRO-NAME as is (leaving the expansion for when MACRO-NAME is invoked). 51ae545d91Smrg# No SEPARATOR is output if MACRO-NAME was previously undefined (different 52ae545d91Smrg# than defined and empty). 53ae545d91Smrg# 54ae545d91Smrg# This macro is needed until we can rely on Autoconf 2.62, since earlier 55ae545d91Smrg# versions of m4sugar mistakenly expanded SEPARATOR but not STRING. 56ae545d91Smrgm4_define([lt_append], 57ae545d91Smrg[m4_define([$1], 58ae545d91Smrg m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])]) 59ae545d91Smrg 60ae545d91Smrg 61ae545d91Smrg 62ae545d91Smrg# lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...]) 63ae545d91Smrg# ---------------------------------------------------------- 64ae545d91Smrg# Produce a SEP delimited list of all paired combinations of elements of 65ae545d91Smrg# PREFIX-LIST with SUFFIX1 through SUFFIXn. Each element of the list 66ae545d91Smrg# has the form PREFIXmINFIXSUFFIXn. 67ae545d91Smrg# Needed until we can rely on m4_combine added in Autoconf 2.62. 68ae545d91Smrgm4_define([lt_combine], 69ae545d91Smrg[m4_if(m4_eval([$# > 3]), [1], 70ae545d91Smrg [m4_pushdef([_Lt_sep], [m4_define([_Lt_sep], m4_defn([lt_car]))])]]dnl 71ae545d91Smrg[[m4_foreach([_Lt_prefix], [$2], 72ae545d91Smrg [m4_foreach([_Lt_suffix], 73ae545d91Smrg ]m4_dquote(m4_dquote(m4_shift(m4_shift(m4_shift($@)))))[, 74ae545d91Smrg [_Lt_sep([$1])[]m4_defn([_Lt_prefix])[$3]m4_defn([_Lt_suffix])])])])]) 75ae545d91Smrg 76ae545d91Smrg 77ae545d91Smrg# lt_if_append_uniq(MACRO-NAME, VARNAME, [SEPARATOR], [UNIQ], [NOT-UNIQ]) 78ae545d91Smrg# ----------------------------------------------------------------------- 79ae545d91Smrg# Iff MACRO-NAME does not yet contain VARNAME, then append it (delimited 80ae545d91Smrg# by SEPARATOR if supplied) and expand UNIQ, else NOT-UNIQ. 81ae545d91Smrgm4_define([lt_if_append_uniq], 82ae545d91Smrg[m4_ifdef([$1], 83ae545d91Smrg [m4_if(m4_index([$3]m4_defn([$1])[$3], [$3$2$3]), [-1], 84ae545d91Smrg [lt_append([$1], [$2], [$3])$4], 85ae545d91Smrg [$5])], 86ae545d91Smrg [lt_append([$1], [$2], [$3])$4])]) 87ae545d91Smrg 88ae545d91Smrg 89ae545d91Smrg# lt_dict_add(DICT, KEY, VALUE) 90ae545d91Smrg# ----------------------------- 91ae545d91Smrgm4_define([lt_dict_add], 92ae545d91Smrg[m4_define([$1($2)], [$3])]) 93ae545d91Smrg 94ae545d91Smrg 95ae545d91Smrg# lt_dict_add_subkey(DICT, KEY, SUBKEY, VALUE) 96ae545d91Smrg# -------------------------------------------- 97ae545d91Smrgm4_define([lt_dict_add_subkey], 98ae545d91Smrg[m4_define([$1($2:$3)], [$4])]) 99ae545d91Smrg 100ae545d91Smrg 101ae545d91Smrg# lt_dict_fetch(DICT, KEY, [SUBKEY]) 102ae545d91Smrg# ---------------------------------- 103ae545d91Smrgm4_define([lt_dict_fetch], 104ae545d91Smrg[m4_ifval([$3], 105ae545d91Smrg m4_ifdef([$1($2:$3)], [m4_defn([$1($2:$3)])]), 106ae545d91Smrg m4_ifdef([$1($2)], [m4_defn([$1($2)])]))]) 107ae545d91Smrg 108ae545d91Smrg 109ae545d91Smrg# lt_if_dict_fetch(DICT, KEY, [SUBKEY], VALUE, IF-TRUE, [IF-FALSE]) 110ae545d91Smrg# ----------------------------------------------------------------- 111ae545d91Smrgm4_define([lt_if_dict_fetch], 112ae545d91Smrg[m4_if(lt_dict_fetch([$1], [$2], [$3]), [$4], 113ae545d91Smrg [$5], 114ae545d91Smrg [$6])]) 115ae545d91Smrg 116ae545d91Smrg 117ae545d91Smrg# lt_dict_filter(DICT, [SUBKEY], VALUE, [SEPARATOR], KEY, [...]) 118ae545d91Smrg# -------------------------------------------------------------- 119ae545d91Smrgm4_define([lt_dict_filter], 120ae545d91Smrg[m4_if([$5], [], [], 121ae545d91Smrg [lt_join(m4_quote(m4_default([$4], [[, ]])), 122ae545d91Smrg lt_unquote(m4_split(m4_normalize(m4_foreach(_Lt_key, lt_car([m4_shiftn(4, $@)]), 123ae545d91Smrg [lt_if_dict_fetch([$1], _Lt_key, [$2], [$3], [_Lt_key ])])))))])[]dnl 124ae545d91Smrg]) 125