10c6340caSmrg# ltsugar.m4 -- libtool m4 base layer. -*-Autoconf-*- 20c6340caSmrg# 30c6340caSmrg# Copyright (C) 2004-2005, 2007-2008, 2011-2019, 2021-2022 Free Software 40c6340caSmrg# Foundation, Inc. 50c6340caSmrg# Written by Gary V. Vaughan, 2004 60c6340caSmrg# 70c6340caSmrg# This file is free software; the Free Software Foundation gives 80c6340caSmrg# unlimited permission to copy and/or distribute it, with or without 90c6340caSmrg# modifications, as long as this notice is preserved. 100c6340caSmrg 110c6340caSmrg# serial 6 ltsugar.m4 120c6340caSmrg 130c6340caSmrg# This is to help aclocal find these macros, as it can't see m4_define. 140c6340caSmrgAC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])]) 150c6340caSmrg 160c6340caSmrg 170c6340caSmrg# lt_join(SEP, ARG1, [ARG2...]) 180c6340caSmrg# ----------------------------- 190c6340caSmrg# Produce ARG1SEPARG2...SEPARGn, omitting [] arguments and their 200c6340caSmrg# associated separator. 210c6340caSmrg# Needed until we can rely on m4_join from Autoconf 2.62, since all earlier 220c6340caSmrg# versions in m4sugar had bugs. 230c6340caSmrgm4_define([lt_join], 240c6340caSmrg[m4_if([$#], [1], [], 250c6340caSmrg [$#], [2], [[$2]], 260c6340caSmrg [m4_if([$2], [], [], [[$2]_])$0([$1], m4_shift(m4_shift($@)))])]) 270c6340caSmrgm4_define([_lt_join], 280c6340caSmrg[m4_if([$#$2], [2], [], 290c6340caSmrg [m4_if([$2], [], [], [[$1$2]])$0([$1], m4_shift(m4_shift($@)))])]) 300c6340caSmrg 310c6340caSmrg 320c6340caSmrg# lt_car(LIST) 330c6340caSmrg# lt_cdr(LIST) 340c6340caSmrg# ------------ 350c6340caSmrg# Manipulate m4 lists. 360c6340caSmrg# These macros are necessary as long as will still need to support 370c6340caSmrg# Autoconf-2.59, which quotes differently. 380c6340caSmrgm4_define([lt_car], [[$1]]) 390c6340caSmrgm4_define([lt_cdr], 400c6340caSmrg[m4_if([$#], 0, [m4_fatal([$0: cannot be called without arguments])], 410c6340caSmrg [$#], 1, [], 420c6340caSmrg [m4_dquote(m4_shift($@))])]) 430c6340caSmrgm4_define([lt_unquote], $1) 440c6340caSmrg 450c6340caSmrg 460c6340caSmrg# lt_append(MACRO-NAME, STRING, [SEPARATOR]) 470c6340caSmrg# ------------------------------------------ 480c6340caSmrg# Redefine MACRO-NAME to hold its former content plus 'SEPARATOR''STRING'. 490c6340caSmrg# Note that neither SEPARATOR nor STRING are expanded; they are appended 500c6340caSmrg# to MACRO-NAME as is (leaving the expansion for when MACRO-NAME is invoked). 510c6340caSmrg# No SEPARATOR is output if MACRO-NAME was previously undefined (different 520c6340caSmrg# than defined and empty). 530c6340caSmrg# 540c6340caSmrg# This macro is needed until we can rely on Autoconf 2.62, since earlier 550c6340caSmrg# versions of m4sugar mistakenly expanded SEPARATOR but not STRING. 560c6340caSmrgm4_define([lt_append], 570c6340caSmrg[m4_define([$1], 580c6340caSmrg m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])]) 590c6340caSmrg 600c6340caSmrg 610c6340caSmrg 620c6340caSmrg# lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...]) 630c6340caSmrg# ---------------------------------------------------------- 640c6340caSmrg# Produce a SEP delimited list of all paired combinations of elements of 650c6340caSmrg# PREFIX-LIST with SUFFIX1 through SUFFIXn. Each element of the list 660c6340caSmrg# has the form PREFIXmINFIXSUFFIXn. 670c6340caSmrg# Needed until we can rely on m4_combine added in Autoconf 2.62. 680c6340caSmrgm4_define([lt_combine], 690c6340caSmrg[m4_if(m4_eval([$# > 3]), [1], 700c6340caSmrg [m4_pushdef([_Lt_sep], [m4_define([_Lt_sep], m4_defn([lt_car]))])]]dnl 710c6340caSmrg[[m4_foreach([_Lt_prefix], [$2], 720c6340caSmrg [m4_foreach([_Lt_suffix], 730c6340caSmrg ]m4_dquote(m4_dquote(m4_shift(m4_shift(m4_shift($@)))))[, 740c6340caSmrg [_Lt_sep([$1])[]m4_defn([_Lt_prefix])[$3]m4_defn([_Lt_suffix])])])])]) 750c6340caSmrg 760c6340caSmrg 770c6340caSmrg# lt_if_append_uniq(MACRO-NAME, VARNAME, [SEPARATOR], [UNIQ], [NOT-UNIQ]) 780c6340caSmrg# ----------------------------------------------------------------------- 790c6340caSmrg# Iff MACRO-NAME does not yet contain VARNAME, then append it (delimited 800c6340caSmrg# by SEPARATOR if supplied) and expand UNIQ, else NOT-UNIQ. 810c6340caSmrgm4_define([lt_if_append_uniq], 820c6340caSmrg[m4_ifdef([$1], 830c6340caSmrg [m4_if(m4_index([$3]m4_defn([$1])[$3], [$3$2$3]), [-1], 840c6340caSmrg [lt_append([$1], [$2], [$3])$4], 850c6340caSmrg [$5])], 860c6340caSmrg [lt_append([$1], [$2], [$3])$4])]) 870c6340caSmrg 880c6340caSmrg 890c6340caSmrg# lt_dict_add(DICT, KEY, VALUE) 900c6340caSmrg# ----------------------------- 910c6340caSmrgm4_define([lt_dict_add], 920c6340caSmrg[m4_define([$1($2)], [$3])]) 930c6340caSmrg 940c6340caSmrg 950c6340caSmrg# lt_dict_add_subkey(DICT, KEY, SUBKEY, VALUE) 960c6340caSmrg# -------------------------------------------- 970c6340caSmrgm4_define([lt_dict_add_subkey], 980c6340caSmrg[m4_define([$1($2:$3)], [$4])]) 990c6340caSmrg 1000c6340caSmrg 1010c6340caSmrg# lt_dict_fetch(DICT, KEY, [SUBKEY]) 1020c6340caSmrg# ---------------------------------- 1030c6340caSmrgm4_define([lt_dict_fetch], 1040c6340caSmrg[m4_ifval([$3], 1050c6340caSmrg m4_ifdef([$1($2:$3)], [m4_defn([$1($2:$3)])]), 1060c6340caSmrg m4_ifdef([$1($2)], [m4_defn([$1($2)])]))]) 1070c6340caSmrg 1080c6340caSmrg 1090c6340caSmrg# lt_if_dict_fetch(DICT, KEY, [SUBKEY], VALUE, IF-TRUE, [IF-FALSE]) 1100c6340caSmrg# ----------------------------------------------------------------- 1110c6340caSmrgm4_define([lt_if_dict_fetch], 1120c6340caSmrg[m4_if(lt_dict_fetch([$1], [$2], [$3]), [$4], 1130c6340caSmrg [$5], 1140c6340caSmrg [$6])]) 1150c6340caSmrg 1160c6340caSmrg 1170c6340caSmrg# lt_dict_filter(DICT, [SUBKEY], VALUE, [SEPARATOR], KEY, [...]) 1180c6340caSmrg# -------------------------------------------------------------- 1190c6340caSmrgm4_define([lt_dict_filter], 1200c6340caSmrg[m4_if([$5], [], [], 1210c6340caSmrg [lt_join(m4_quote(m4_default([$4], [[, ]])), 1220c6340caSmrg lt_unquote(m4_split(m4_normalize(m4_foreach(_Lt_key, lt_car([m4_shiftn(4, $@)]), 1230c6340caSmrg [lt_if_dict_fetch([$1], _Lt_key, [$2], [$3], [_Lt_key ])])))))])[]dnl 1240c6340caSmrg]) 125