10f57e2e1Smrg# ltsugar.m4 -- libtool m4 base layer. -*-Autoconf-*- 20f57e2e1Smrg# 30f57e2e1Smrg# Copyright (C) 2004-2005, 2007-2008, 2011-2019, 2021-2022 Free Software 40f57e2e1Smrg# Foundation, Inc. 50f57e2e1Smrg# Written by Gary V. Vaughan, 2004 60f57e2e1Smrg# 70f57e2e1Smrg# This file is free software; the Free Software Foundation gives 80f57e2e1Smrg# unlimited permission to copy and/or distribute it, with or without 90f57e2e1Smrg# modifications, as long as this notice is preserved. 100f57e2e1Smrg 110f57e2e1Smrg# serial 6 ltsugar.m4 120f57e2e1Smrg 130f57e2e1Smrg# This is to help aclocal find these macros, as it can't see m4_define. 140f57e2e1SmrgAC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])]) 150f57e2e1Smrg 160f57e2e1Smrg 170f57e2e1Smrg# lt_join(SEP, ARG1, [ARG2...]) 180f57e2e1Smrg# ----------------------------- 190f57e2e1Smrg# Produce ARG1SEPARG2...SEPARGn, omitting [] arguments and their 200f57e2e1Smrg# associated separator. 210f57e2e1Smrg# Needed until we can rely on m4_join from Autoconf 2.62, since all earlier 220f57e2e1Smrg# versions in m4sugar had bugs. 230f57e2e1Smrgm4_define([lt_join], 240f57e2e1Smrg[m4_if([$#], [1], [], 250f57e2e1Smrg [$#], [2], [[$2]], 260f57e2e1Smrg [m4_if([$2], [], [], [[$2]_])$0([$1], m4_shift(m4_shift($@)))])]) 270f57e2e1Smrgm4_define([_lt_join], 280f57e2e1Smrg[m4_if([$#$2], [2], [], 290f57e2e1Smrg [m4_if([$2], [], [], [[$1$2]])$0([$1], m4_shift(m4_shift($@)))])]) 300f57e2e1Smrg 310f57e2e1Smrg 320f57e2e1Smrg# lt_car(LIST) 330f57e2e1Smrg# lt_cdr(LIST) 340f57e2e1Smrg# ------------ 350f57e2e1Smrg# Manipulate m4 lists. 360f57e2e1Smrg# These macros are necessary as long as will still need to support 370f57e2e1Smrg# Autoconf-2.59, which quotes differently. 380f57e2e1Smrgm4_define([lt_car], [[$1]]) 390f57e2e1Smrgm4_define([lt_cdr], 400f57e2e1Smrg[m4_if([$#], 0, [m4_fatal([$0: cannot be called without arguments])], 410f57e2e1Smrg [$#], 1, [], 420f57e2e1Smrg [m4_dquote(m4_shift($@))])]) 430f57e2e1Smrgm4_define([lt_unquote], $1) 440f57e2e1Smrg 450f57e2e1Smrg 460f57e2e1Smrg# lt_append(MACRO-NAME, STRING, [SEPARATOR]) 470f57e2e1Smrg# ------------------------------------------ 480f57e2e1Smrg# Redefine MACRO-NAME to hold its former content plus 'SEPARATOR''STRING'. 490f57e2e1Smrg# Note that neither SEPARATOR nor STRING are expanded; they are appended 500f57e2e1Smrg# to MACRO-NAME as is (leaving the expansion for when MACRO-NAME is invoked). 510f57e2e1Smrg# No SEPARATOR is output if MACRO-NAME was previously undefined (different 520f57e2e1Smrg# than defined and empty). 530f57e2e1Smrg# 540f57e2e1Smrg# This macro is needed until we can rely on Autoconf 2.62, since earlier 550f57e2e1Smrg# versions of m4sugar mistakenly expanded SEPARATOR but not STRING. 560f57e2e1Smrgm4_define([lt_append], 570f57e2e1Smrg[m4_define([$1], 580f57e2e1Smrg m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])]) 590f57e2e1Smrg 600f57e2e1Smrg 610f57e2e1Smrg 620f57e2e1Smrg# lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...]) 630f57e2e1Smrg# ---------------------------------------------------------- 640f57e2e1Smrg# Produce a SEP delimited list of all paired combinations of elements of 650f57e2e1Smrg# PREFIX-LIST with SUFFIX1 through SUFFIXn. Each element of the list 660f57e2e1Smrg# has the form PREFIXmINFIXSUFFIXn. 670f57e2e1Smrg# Needed until we can rely on m4_combine added in Autoconf 2.62. 680f57e2e1Smrgm4_define([lt_combine], 690f57e2e1Smrg[m4_if(m4_eval([$# > 3]), [1], 700f57e2e1Smrg [m4_pushdef([_Lt_sep], [m4_define([_Lt_sep], m4_defn([lt_car]))])]]dnl 710f57e2e1Smrg[[m4_foreach([_Lt_prefix], [$2], 720f57e2e1Smrg [m4_foreach([_Lt_suffix], 730f57e2e1Smrg ]m4_dquote(m4_dquote(m4_shift(m4_shift(m4_shift($@)))))[, 740f57e2e1Smrg [_Lt_sep([$1])[]m4_defn([_Lt_prefix])[$3]m4_defn([_Lt_suffix])])])])]) 750f57e2e1Smrg 760f57e2e1Smrg 770f57e2e1Smrg# lt_if_append_uniq(MACRO-NAME, VARNAME, [SEPARATOR], [UNIQ], [NOT-UNIQ]) 780f57e2e1Smrg# ----------------------------------------------------------------------- 790f57e2e1Smrg# Iff MACRO-NAME does not yet contain VARNAME, then append it (delimited 800f57e2e1Smrg# by SEPARATOR if supplied) and expand UNIQ, else NOT-UNIQ. 810f57e2e1Smrgm4_define([lt_if_append_uniq], 820f57e2e1Smrg[m4_ifdef([$1], 830f57e2e1Smrg [m4_if(m4_index([$3]m4_defn([$1])[$3], [$3$2$3]), [-1], 840f57e2e1Smrg [lt_append([$1], [$2], [$3])$4], 850f57e2e1Smrg [$5])], 860f57e2e1Smrg [lt_append([$1], [$2], [$3])$4])]) 870f57e2e1Smrg 880f57e2e1Smrg 890f57e2e1Smrg# lt_dict_add(DICT, KEY, VALUE) 900f57e2e1Smrg# ----------------------------- 910f57e2e1Smrgm4_define([lt_dict_add], 920f57e2e1Smrg[m4_define([$1($2)], [$3])]) 930f57e2e1Smrg 940f57e2e1Smrg 950f57e2e1Smrg# lt_dict_add_subkey(DICT, KEY, SUBKEY, VALUE) 960f57e2e1Smrg# -------------------------------------------- 970f57e2e1Smrgm4_define([lt_dict_add_subkey], 980f57e2e1Smrg[m4_define([$1($2:$3)], [$4])]) 990f57e2e1Smrg 1000f57e2e1Smrg 1010f57e2e1Smrg# lt_dict_fetch(DICT, KEY, [SUBKEY]) 1020f57e2e1Smrg# ---------------------------------- 1030f57e2e1Smrgm4_define([lt_dict_fetch], 1040f57e2e1Smrg[m4_ifval([$3], 1050f57e2e1Smrg m4_ifdef([$1($2:$3)], [m4_defn([$1($2:$3)])]), 1060f57e2e1Smrg m4_ifdef([$1($2)], [m4_defn([$1($2)])]))]) 1070f57e2e1Smrg 1080f57e2e1Smrg 1090f57e2e1Smrg# lt_if_dict_fetch(DICT, KEY, [SUBKEY], VALUE, IF-TRUE, [IF-FALSE]) 1100f57e2e1Smrg# ----------------------------------------------------------------- 1110f57e2e1Smrgm4_define([lt_if_dict_fetch], 1120f57e2e1Smrg[m4_if(lt_dict_fetch([$1], [$2], [$3]), [$4], 1130f57e2e1Smrg [$5], 1140f57e2e1Smrg [$6])]) 1150f57e2e1Smrg 1160f57e2e1Smrg 1170f57e2e1Smrg# lt_dict_filter(DICT, [SUBKEY], VALUE, [SEPARATOR], KEY, [...]) 1180f57e2e1Smrg# -------------------------------------------------------------- 1190f57e2e1Smrgm4_define([lt_dict_filter], 1200f57e2e1Smrg[m4_if([$5], [], [], 1210f57e2e1Smrg [lt_join(m4_quote(m4_default([$4], [[, ]])), 1220f57e2e1Smrg lt_unquote(m4_split(m4_normalize(m4_foreach(_Lt_key, lt_car([m4_shiftn(4, $@)]), 1230f57e2e1Smrg [lt_if_dict_fetch([$1], _Lt_key, [$2], [$3], [_Lt_key ])])))))])[]dnl 1240f57e2e1Smrg]) 125