1475c125cSmrg# ltsugar.m4 -- libtool m4 base layer. -*-Autoconf-*- 2475c125cSmrg# 354b5899cSmrg# Copyright (C) 2004-2005, 2007-2008, 2011-2019, 2021-2024 Free Software 435c4bbdfSmrg# Foundation, Inc. 5475c125cSmrg# Written by Gary V. Vaughan, 2004 6475c125cSmrg# 7475c125cSmrg# This file is free software; the Free Software Foundation gives 8475c125cSmrg# unlimited permission to copy and/or distribute it, with or without 9475c125cSmrg# modifications, as long as this notice is preserved. 10475c125cSmrg 11475c125cSmrg# serial 6 ltsugar.m4 12475c125cSmrg 13475c125cSmrg# This is to help aclocal find these macros, as it can't see m4_define. 14475c125cSmrgAC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])]) 15475c125cSmrg 16475c125cSmrg 17475c125cSmrg# lt_join(SEP, ARG1, [ARG2...]) 18475c125cSmrg# ----------------------------- 19475c125cSmrg# Produce ARG1SEPARG2...SEPARGn, omitting [] arguments and their 20475c125cSmrg# associated separator. 21475c125cSmrg# Needed until we can rely on m4_join from Autoconf 2.62, since all earlier 22475c125cSmrg# versions in m4sugar had bugs. 23475c125cSmrgm4_define([lt_join], 24475c125cSmrg[m4_if([$#], [1], [], 25475c125cSmrg [$#], [2], [[$2]], 26475c125cSmrg [m4_if([$2], [], [], [[$2]_])$0([$1], m4_shift(m4_shift($@)))])]) 27475c125cSmrgm4_define([_lt_join], 28475c125cSmrg[m4_if([$#$2], [2], [], 29475c125cSmrg [m4_if([$2], [], [], [[$1$2]])$0([$1], m4_shift(m4_shift($@)))])]) 30475c125cSmrg 31475c125cSmrg 32475c125cSmrg# lt_car(LIST) 33475c125cSmrg# lt_cdr(LIST) 34475c125cSmrg# ------------ 35475c125cSmrg# Manipulate m4 lists. 36475c125cSmrg# These macros are necessary as long as will still need to support 3735c4bbdfSmrg# Autoconf-2.59, which quotes differently. 38475c125cSmrgm4_define([lt_car], [[$1]]) 39475c125cSmrgm4_define([lt_cdr], 40475c125cSmrg[m4_if([$#], 0, [m4_fatal([$0: cannot be called without arguments])], 41475c125cSmrg [$#], 1, [], 42475c125cSmrg [m4_dquote(m4_shift($@))])]) 43475c125cSmrgm4_define([lt_unquote], $1) 44475c125cSmrg 45475c125cSmrg 46475c125cSmrg# lt_append(MACRO-NAME, STRING, [SEPARATOR]) 47475c125cSmrg# ------------------------------------------ 4835c4bbdfSmrg# Redefine MACRO-NAME to hold its former content plus 'SEPARATOR''STRING'. 49475c125cSmrg# Note that neither SEPARATOR nor STRING are expanded; they are appended 50475c125cSmrg# to MACRO-NAME as is (leaving the expansion for when MACRO-NAME is invoked). 51475c125cSmrg# No SEPARATOR is output if MACRO-NAME was previously undefined (different 52475c125cSmrg# than defined and empty). 53475c125cSmrg# 54475c125cSmrg# This macro is needed until we can rely on Autoconf 2.62, since earlier 55475c125cSmrg# versions of m4sugar mistakenly expanded SEPARATOR but not STRING. 56475c125cSmrgm4_define([lt_append], 57475c125cSmrg[m4_define([$1], 58475c125cSmrg m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])]) 59475c125cSmrg 60475c125cSmrg 61475c125cSmrg 62475c125cSmrg# lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...]) 63475c125cSmrg# ---------------------------------------------------------- 64475c125cSmrg# Produce a SEP delimited list of all paired combinations of elements of 65475c125cSmrg# PREFIX-LIST with SUFFIX1 through SUFFIXn. Each element of the list 66475c125cSmrg# has the form PREFIXmINFIXSUFFIXn. 67475c125cSmrg# Needed until we can rely on m4_combine added in Autoconf 2.62. 68475c125cSmrgm4_define([lt_combine], 69475c125cSmrg[m4_if(m4_eval([$# > 3]), [1], 70475c125cSmrg [m4_pushdef([_Lt_sep], [m4_define([_Lt_sep], m4_defn([lt_car]))])]]dnl 71475c125cSmrg[[m4_foreach([_Lt_prefix], [$2], 72475c125cSmrg [m4_foreach([_Lt_suffix], 73475c125cSmrg ]m4_dquote(m4_dquote(m4_shift(m4_shift(m4_shift($@)))))[, 74475c125cSmrg [_Lt_sep([$1])[]m4_defn([_Lt_prefix])[$3]m4_defn([_Lt_suffix])])])])]) 75475c125cSmrg 76475c125cSmrg 77475c125cSmrg# lt_if_append_uniq(MACRO-NAME, VARNAME, [SEPARATOR], [UNIQ], [NOT-UNIQ]) 78475c125cSmrg# ----------------------------------------------------------------------- 79475c125cSmrg# Iff MACRO-NAME does not yet contain VARNAME, then append it (delimited 80475c125cSmrg# by SEPARATOR if supplied) and expand UNIQ, else NOT-UNIQ. 81475c125cSmrgm4_define([lt_if_append_uniq], 82475c125cSmrg[m4_ifdef([$1], 83475c125cSmrg [m4_if(m4_index([$3]m4_defn([$1])[$3], [$3$2$3]), [-1], 84475c125cSmrg [lt_append([$1], [$2], [$3])$4], 85475c125cSmrg [$5])], 86475c125cSmrg [lt_append([$1], [$2], [$3])$4])]) 87475c125cSmrg 88475c125cSmrg 89475c125cSmrg# lt_dict_add(DICT, KEY, VALUE) 90475c125cSmrg# ----------------------------- 91475c125cSmrgm4_define([lt_dict_add], 92475c125cSmrg[m4_define([$1($2)], [$3])]) 93475c125cSmrg 94475c125cSmrg 95475c125cSmrg# lt_dict_add_subkey(DICT, KEY, SUBKEY, VALUE) 96475c125cSmrg# -------------------------------------------- 97475c125cSmrgm4_define([lt_dict_add_subkey], 98475c125cSmrg[m4_define([$1($2:$3)], [$4])]) 99475c125cSmrg 100475c125cSmrg 101475c125cSmrg# lt_dict_fetch(DICT, KEY, [SUBKEY]) 102475c125cSmrg# ---------------------------------- 103475c125cSmrgm4_define([lt_dict_fetch], 104475c125cSmrg[m4_ifval([$3], 105475c125cSmrg m4_ifdef([$1($2:$3)], [m4_defn([$1($2:$3)])]), 106475c125cSmrg m4_ifdef([$1($2)], [m4_defn([$1($2)])]))]) 107475c125cSmrg 108475c125cSmrg 109475c125cSmrg# lt_if_dict_fetch(DICT, KEY, [SUBKEY], VALUE, IF-TRUE, [IF-FALSE]) 110475c125cSmrg# ----------------------------------------------------------------- 111475c125cSmrgm4_define([lt_if_dict_fetch], 112475c125cSmrg[m4_if(lt_dict_fetch([$1], [$2], [$3]), [$4], 113475c125cSmrg [$5], 114475c125cSmrg [$6])]) 115475c125cSmrg 116475c125cSmrg 117475c125cSmrg# lt_dict_filter(DICT, [SUBKEY], VALUE, [SEPARATOR], KEY, [...]) 118475c125cSmrg# -------------------------------------------------------------- 119475c125cSmrgm4_define([lt_dict_filter], 120475c125cSmrg[m4_if([$5], [], [], 121475c125cSmrg [lt_join(m4_quote(m4_default([$4], [[, ]])), 122475c125cSmrg lt_unquote(m4_split(m4_normalize(m4_foreach(_Lt_key, lt_car([m4_shiftn(4, $@)]), 123475c125cSmrg [lt_if_dict_fetch([$1], _Lt_key, [$2], [$3], [_Lt_key ])])))))])[]dnl 124475c125cSmrg]) 125