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# ltsugar.m4 -- libtool m4 base layer. -*-Autoconf-*-## Copyright (C) 2004-2005, 2007-2008, 2011-2019, 2021-2024 Free Software# Foundation, Inc.# Written by Gary V. Vaughan, 2004## This file is free software; the Free Software Foundation gives# unlimited permission to copy and/or distribute it, with or without# modifications, as long as this notice is preserved.
# serial 6 ltsugar.m4
# This is to help aclocal find these macros, as it can't see m4_define.AC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])])
# lt_join(SEP, ARG1, [ARG2...])# -----------------------------# Produce ARG1SEPARG2...SEPARGn, omitting [] arguments and their# associated separator.# Needed until we can rely on m4_join from Autoconf 2.62, since all earlier# versions in m4sugar had bugs.m4_define([lt_join],[m4_if([$#], [1], [], [$#], [2], [[$2]], [m4_if([$2], [], [], [[$2]_])$0([$1], m4_shift(m4_shift($@)))])])m4_define([_lt_join],[m4_if([$#$2], [2], [], [m4_if([$2], [], [], [[$1$2]])$0([$1], m4_shift(m4_shift($@)))])])
# lt_car(LIST)# lt_cdr(LIST)# ------------# Manipulate m4 lists.# These macros are necessary as long as will still need to support# Autoconf-2.59, which quotes differently.m4_define([lt_car], [[$1]])m4_define([lt_cdr],[m4_if([$#], 0, [m4_fatal([$0: cannot be called without arguments])], [$#], 1, [], [m4_dquote(m4_shift($@))])])m4_define([lt_unquote], $1)
# lt_append(MACRO-NAME, STRING, [SEPARATOR])# ------------------------------------------# Redefine MACRO-NAME to hold its former content plus 'SEPARATOR''STRING'.# Note that neither SEPARATOR nor STRING are expanded; they are appended# to MACRO-NAME as is (leaving the expansion for when MACRO-NAME is invoked).# No SEPARATOR is output if MACRO-NAME was previously undefined (different# than defined and empty).## This macro is needed until we can rely on Autoconf 2.62, since earlier# versions of m4sugar mistakenly expanded SEPARATOR but not STRING.m4_define([lt_append],[m4_define([$1], m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])])
# lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...])# ----------------------------------------------------------# Produce a SEP delimited list of all paired combinations of elements of# PREFIX-LIST with SUFFIX1 through SUFFIXn. Each element of the list# has the form PREFIXmINFIXSUFFIXn.# Needed until we can rely on m4_combine added in Autoconf 2.62.m4_define([lt_combine],[m4_if(m4_eval([$# > 3]), [1], [m4_pushdef([_Lt_sep], [m4_define([_Lt_sep], m4_defn([lt_car]))])]]dnl[[m4_foreach([_Lt_prefix], [$2], [m4_foreach([_Lt_suffix], ]m4_dquote(m4_dquote(m4_shift(m4_shift(m4_shift($@)))))[, [_Lt_sep([$1])[]m4_defn([_Lt_prefix])[$3]m4_defn([_Lt_suffix])])])])])
# lt_if_append_uniq(MACRO-NAME, VARNAME, [SEPARATOR], [UNIQ], [NOT-UNIQ])# -----------------------------------------------------------------------# Iff MACRO-NAME does not yet contain VARNAME, then append it (delimited# by SEPARATOR if supplied) and expand UNIQ, else NOT-UNIQ.m4_define([lt_if_append_uniq],[m4_ifdef([$1], [m4_if(m4_index([$3]m4_defn([$1])[$3], [$3$2$3]), [-1], [lt_append([$1], [$2], [$3])$4], [$5])], [lt_append([$1], [$2], [$3])$4])])
# lt_dict_add(DICT, KEY, VALUE)# -----------------------------m4_define([lt_dict_add],[m4_define([$1($2)], [$3])])
# lt_dict_add_subkey(DICT, KEY, SUBKEY, VALUE)# --------------------------------------------m4_define([lt_dict_add_subkey],[m4_define([$1($2:$3)], [$4])])
# lt_dict_fetch(DICT, KEY, [SUBKEY])# ----------------------------------m4_define([lt_dict_fetch],[m4_ifval([$3], m4_ifdef([$1($2:$3)], [m4_defn([$1($2:$3)])]), m4_ifdef([$1($2)], [m4_defn([$1($2)])]))])
# lt_if_dict_fetch(DICT, KEY, [SUBKEY], VALUE, IF-TRUE, [IF-FALSE])# -----------------------------------------------------------------m4_define([lt_if_dict_fetch],[m4_if(lt_dict_fetch([$1], [$2], [$3]), [$4], [$5], [$6])])
# lt_dict_filter(DICT, [SUBKEY], VALUE, [SEPARATOR], KEY, [...])# --------------------------------------------------------------m4_define([lt_dict_filter],[m4_if([$5], [], [], [lt_join(m4_quote(m4_default([$4], [[, ]])), lt_unquote(m4_split(m4_normalize(m4_foreach(_Lt_key, lt_car([m4_shiftn(4, $@)]), [lt_if_dict_fetch([$1], _Lt_key, [$2], [$3], [_Lt_key ])])))))])[]dnl])
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