1dc088bc7Smrg# ltsugar.m4 -- libtool m4 base layer. -*-Autoconf-*- 2dc088bc7Smrg# 3dc088bc7Smrg# Copyright (C) 2004-2005, 2007-2008, 2011-2019, 2021-2024 Free Software 4dc088bc7Smrg# Foundation, Inc. 5dc088bc7Smrg# Written by Gary V. Vaughan, 2004 6dc088bc7Smrg# 7dc088bc7Smrg# This file is free software; the Free Software Foundation gives 8dc088bc7Smrg# unlimited permission to copy and/or distribute it, with or without 9dc088bc7Smrg# modifications, as long as this notice is preserved. 10dc088bc7Smrg 11dc088bc7Smrg# serial 6 ltsugar.m4 12dc088bc7Smrg 13dc088bc7Smrg# This is to help aclocal find these macros, as it can't see m4_define. 14dc088bc7SmrgAC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])]) 15dc088bc7Smrg 16dc088bc7Smrg 17dc088bc7Smrg# lt_join(SEP, ARG1, [ARG2...]) 18dc088bc7Smrg# ----------------------------- 19dc088bc7Smrg# Produce ARG1SEPARG2...SEPARGn, omitting [] arguments and their 20dc088bc7Smrg# associated separator. 21dc088bc7Smrg# Needed until we can rely on m4_join from Autoconf 2.62, since all earlier 22dc088bc7Smrg# versions in m4sugar had bugs. 23dc088bc7Smrgm4_define([lt_join], 24dc088bc7Smrg[m4_if([$#], [1], [], 25dc088bc7Smrg [$#], [2], [[$2]], 26dc088bc7Smrg [m4_if([$2], [], [], [[$2]_])$0([$1], m4_shift(m4_shift($@)))])]) 27dc088bc7Smrgm4_define([_lt_join], 28dc088bc7Smrg[m4_if([$#$2], [2], [], 29dc088bc7Smrg [m4_if([$2], [], [], [[$1$2]])$0([$1], m4_shift(m4_shift($@)))])]) 30dc088bc7Smrg 31dc088bc7Smrg 32dc088bc7Smrg# lt_car(LIST) 33dc088bc7Smrg# lt_cdr(LIST) 34dc088bc7Smrg# ------------ 35dc088bc7Smrg# Manipulate m4 lists. 36dc088bc7Smrg# These macros are necessary as long as will still need to support 37dc088bc7Smrg# Autoconf-2.59, which quotes differently. 38dc088bc7Smrgm4_define([lt_car], [[$1]]) 39dc088bc7Smrgm4_define([lt_cdr], 40dc088bc7Smrg[m4_if([$#], 0, [m4_fatal([$0: cannot be called without arguments])], 41dc088bc7Smrg [$#], 1, [], 42dc088bc7Smrg [m4_dquote(m4_shift($@))])]) 43dc088bc7Smrgm4_define([lt_unquote], $1) 44dc088bc7Smrg 45dc088bc7Smrg 46dc088bc7Smrg# lt_append(MACRO-NAME, STRING, [SEPARATOR]) 47dc088bc7Smrg# ------------------------------------------ 48dc088bc7Smrg# Redefine MACRO-NAME to hold its former content plus 'SEPARATOR''STRING'. 49dc088bc7Smrg# Note that neither SEPARATOR nor STRING are expanded; they are appended 50dc088bc7Smrg# to MACRO-NAME as is (leaving the expansion for when MACRO-NAME is invoked). 51dc088bc7Smrg# No SEPARATOR is output if MACRO-NAME was previously undefined (different 52dc088bc7Smrg# than defined and empty). 53dc088bc7Smrg# 54dc088bc7Smrg# This macro is needed until we can rely on Autoconf 2.62, since earlier 55dc088bc7Smrg# versions of m4sugar mistakenly expanded SEPARATOR but not STRING. 56dc088bc7Smrgm4_define([lt_append], 57dc088bc7Smrg[m4_define([$1], 58dc088bc7Smrg m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])]) 59dc088bc7Smrg 60dc088bc7Smrg 61dc088bc7Smrg 62dc088bc7Smrg# lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...]) 63dc088bc7Smrg# ---------------------------------------------------------- 64dc088bc7Smrg# Produce a SEP delimited list of all paired combinations of elements of 65dc088bc7Smrg# PREFIX-LIST with SUFFIX1 through SUFFIXn. Each element of the list 66dc088bc7Smrg# has the form PREFIXmINFIXSUFFIXn. 67dc088bc7Smrg# Needed until we can rely on m4_combine added in Autoconf 2.62. 68dc088bc7Smrgm4_define([lt_combine], 69dc088bc7Smrg[m4_if(m4_eval([$# > 3]), [1], 70dc088bc7Smrg [m4_pushdef([_Lt_sep], [m4_define([_Lt_sep], m4_defn([lt_car]))])]]dnl 71dc088bc7Smrg[[m4_foreach([_Lt_prefix], [$2], 72dc088bc7Smrg [m4_foreach([_Lt_suffix], 73dc088bc7Smrg ]m4_dquote(m4_dquote(m4_shift(m4_shift(m4_shift($@)))))[, 74dc088bc7Smrg [_Lt_sep([$1])[]m4_defn([_Lt_prefix])[$3]m4_defn([_Lt_suffix])])])])]) 75dc088bc7Smrg 76dc088bc7Smrg 77dc088bc7Smrg# lt_if_append_uniq(MACRO-NAME, VARNAME, [SEPARATOR], [UNIQ], [NOT-UNIQ]) 78dc088bc7Smrg# ----------------------------------------------------------------------- 79dc088bc7Smrg# Iff MACRO-NAME does not yet contain VARNAME, then append it (delimited 80dc088bc7Smrg# by SEPARATOR if supplied) and expand UNIQ, else NOT-UNIQ. 81dc088bc7Smrgm4_define([lt_if_append_uniq], 82dc088bc7Smrg[m4_ifdef([$1], 83dc088bc7Smrg [m4_if(m4_index([$3]m4_defn([$1])[$3], [$3$2$3]), [-1], 84dc088bc7Smrg [lt_append([$1], [$2], [$3])$4], 85dc088bc7Smrg [$5])], 86dc088bc7Smrg [lt_append([$1], [$2], [$3])$4])]) 87dc088bc7Smrg 88dc088bc7Smrg 89dc088bc7Smrg# lt_dict_add(DICT, KEY, VALUE) 90dc088bc7Smrg# ----------------------------- 91dc088bc7Smrgm4_define([lt_dict_add], 92dc088bc7Smrg[m4_define([$1($2)], [$3])]) 93dc088bc7Smrg 94dc088bc7Smrg 95dc088bc7Smrg# lt_dict_add_subkey(DICT, KEY, SUBKEY, VALUE) 96dc088bc7Smrg# -------------------------------------------- 97dc088bc7Smrgm4_define([lt_dict_add_subkey], 98dc088bc7Smrg[m4_define([$1($2:$3)], [$4])]) 99dc088bc7Smrg 100dc088bc7Smrg 101dc088bc7Smrg# lt_dict_fetch(DICT, KEY, [SUBKEY]) 102dc088bc7Smrg# ---------------------------------- 103dc088bc7Smrgm4_define([lt_dict_fetch], 104dc088bc7Smrg[m4_ifval([$3], 105dc088bc7Smrg m4_ifdef([$1($2:$3)], [m4_defn([$1($2:$3)])]), 106dc088bc7Smrg m4_ifdef([$1($2)], [m4_defn([$1($2)])]))]) 107dc088bc7Smrg 108dc088bc7Smrg 109dc088bc7Smrg# lt_if_dict_fetch(DICT, KEY, [SUBKEY], VALUE, IF-TRUE, [IF-FALSE]) 110dc088bc7Smrg# ----------------------------------------------------------------- 111dc088bc7Smrgm4_define([lt_if_dict_fetch], 112dc088bc7Smrg[m4_if(lt_dict_fetch([$1], [$2], [$3]), [$4], 113dc088bc7Smrg [$5], 114dc088bc7Smrg [$6])]) 115dc088bc7Smrg 116dc088bc7Smrg 117dc088bc7Smrg# lt_dict_filter(DICT, [SUBKEY], VALUE, [SEPARATOR], KEY, [...]) 118dc088bc7Smrg# -------------------------------------------------------------- 119dc088bc7Smrgm4_define([lt_dict_filter], 120dc088bc7Smrg[m4_if([$5], [], [], 121dc088bc7Smrg [lt_join(m4_quote(m4_default([$4], [[, ]])), 122dc088bc7Smrg lt_unquote(m4_split(m4_normalize(m4_foreach(_Lt_key, lt_car([m4_shiftn(4, $@)]), 123dc088bc7Smrg [lt_if_dict_fetch([$1], _Lt_key, [$2], [$3], [_Lt_key ])])))))])[]dnl 124dc088bc7Smrg]) 125