1 1.1 mrg # ltsugar.m4 -- libtool m4 base layer. -*-Autoconf-*- 2 1.1 mrg # 3 1.1 mrg # Copyright (C) 2004-2005, 2007-2008, 2011-2019, 2021-2024 Free Software 4 1.1 mrg # Foundation, Inc. 5 1.1 mrg # Written by Gary V. Vaughan, 2004 6 1.1 mrg # 7 1.1 mrg # This file is free software; the Free Software Foundation gives 8 1.1 mrg # unlimited permission to copy and/or distribute it, with or without 9 1.1 mrg # modifications, as long as this notice is preserved. 10 1.1 mrg 11 1.1 mrg # serial 6 ltsugar.m4 12 1.1 mrg 13 1.1 mrg # This is to help aclocal find these macros, as it can't see m4_define. 14 1.1 mrg AC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])]) 15 1.1 mrg 16 1.1 mrg 17 1.1 mrg # lt_join(SEP, ARG1, [ARG2...]) 18 1.1 mrg # ----------------------------- 19 1.1 mrg # Produce ARG1SEPARG2...SEPARGn, omitting [] arguments and their 20 1.1 mrg # associated separator. 21 1.1 mrg # Needed until we can rely on m4_join from Autoconf 2.62, since all earlier 22 1.1 mrg # versions in m4sugar had bugs. 23 1.1 mrg m4_define([lt_join], 24 1.1 mrg [m4_if([$#], [1], [], 25 1.1 mrg [$#], [2], [[$2]], 26 1.1 mrg [m4_if([$2], [], [], [[$2]_])$0([$1], m4_shift(m4_shift($@)))])]) 27 1.1 mrg m4_define([_lt_join], 28 1.1 mrg [m4_if([$#$2], [2], [], 29 1.1 mrg [m4_if([$2], [], [], [[$1$2]])$0([$1], m4_shift(m4_shift($@)))])]) 30 1.1 mrg 31 1.1 mrg 32 1.1 mrg # lt_car(LIST) 33 1.1 mrg # lt_cdr(LIST) 34 1.1 mrg # ------------ 35 1.1 mrg # Manipulate m4 lists. 36 1.1 mrg # These macros are necessary as long as will still need to support 37 1.1 mrg # Autoconf-2.59, which quotes differently. 38 1.1 mrg m4_define([lt_car], [[$1]]) 39 1.1 mrg m4_define([lt_cdr], 40 1.1 mrg [m4_if([$#], 0, [m4_fatal([$0: cannot be called without arguments])], 41 1.1 mrg [$#], 1, [], 42 1.1 mrg [m4_dquote(m4_shift($@))])]) 43 1.1 mrg m4_define([lt_unquote], $1) 44 1.1 mrg 45 1.1 mrg 46 1.1 mrg # lt_append(MACRO-NAME, STRING, [SEPARATOR]) 47 1.1 mrg # ------------------------------------------ 48 1.1 mrg # Redefine MACRO-NAME to hold its former content plus 'SEPARATOR''STRING'. 49 1.1 mrg # Note that neither SEPARATOR nor STRING are expanded; they are appended 50 1.1 mrg # to MACRO-NAME as is (leaving the expansion for when MACRO-NAME is invoked). 51 1.1 mrg # No SEPARATOR is output if MACRO-NAME was previously undefined (different 52 1.1 mrg # than defined and empty). 53 1.1 mrg # 54 1.1 mrg # This macro is needed until we can rely on Autoconf 2.62, since earlier 55 1.1 mrg # versions of m4sugar mistakenly expanded SEPARATOR but not STRING. 56 1.1 mrg m4_define([lt_append], 57 1.1 mrg [m4_define([$1], 58 1.1 mrg m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])]) 59 1.1 mrg 60 1.1 mrg 61 1.1 mrg 62 1.1 mrg # lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...]) 63 1.1 mrg # ---------------------------------------------------------- 64 1.1 mrg # Produce a SEP delimited list of all paired combinations of elements of 65 1.1 mrg # PREFIX-LIST with SUFFIX1 through SUFFIXn. Each element of the list 66 1.1 mrg # has the form PREFIXmINFIXSUFFIXn. 67 1.1 mrg # Needed until we can rely on m4_combine added in Autoconf 2.62. 68 1.1 mrg m4_define([lt_combine], 69 1.1 mrg [m4_if(m4_eval([$# > 3]), [1], 70 1.1 mrg [m4_pushdef([_Lt_sep], [m4_define([_Lt_sep], m4_defn([lt_car]))])]]dnl 71 1.1 mrg [[m4_foreach([_Lt_prefix], [$2], 72 1.1 mrg [m4_foreach([_Lt_suffix], 73 1.1 mrg ]m4_dquote(m4_dquote(m4_shift(m4_shift(m4_shift($@)))))[, 74 1.1 mrg [_Lt_sep([$1])[]m4_defn([_Lt_prefix])[$3]m4_defn([_Lt_suffix])])])])]) 75 1.1 mrg 76 1.1 mrg 77 1.1 mrg # lt_if_append_uniq(MACRO-NAME, VARNAME, [SEPARATOR], [UNIQ], [NOT-UNIQ]) 78 1.1 mrg # ----------------------------------------------------------------------- 79 1.1 mrg # Iff MACRO-NAME does not yet contain VARNAME, then append it (delimited 80 1.1 mrg # by SEPARATOR if supplied) and expand UNIQ, else NOT-UNIQ. 81 1.1 mrg m4_define([lt_if_append_uniq], 82 1.1 mrg [m4_ifdef([$1], 83 1.1 mrg [m4_if(m4_index([$3]m4_defn([$1])[$3], [$3$2$3]), [-1], 84 1.1 mrg [lt_append([$1], [$2], [$3])$4], 85 1.1 mrg [$5])], 86 1.1 mrg [lt_append([$1], [$2], [$3])$4])]) 87 1.1 mrg 88 1.1 mrg 89 1.1 mrg # lt_dict_add(DICT, KEY, VALUE) 90 1.1 mrg # ----------------------------- 91 1.1 mrg m4_define([lt_dict_add], 92 1.1 mrg [m4_define([$1($2)], [$3])]) 93 1.1 mrg 94 1.1 mrg 95 1.1 mrg # lt_dict_add_subkey(DICT, KEY, SUBKEY, VALUE) 96 1.1 mrg # -------------------------------------------- 97 1.1 mrg m4_define([lt_dict_add_subkey], 98 1.1 mrg [m4_define([$1($2:$3)], [$4])]) 99 1.1 mrg 100 1.1 mrg 101 1.1 mrg # lt_dict_fetch(DICT, KEY, [SUBKEY]) 102 1.1 mrg # ---------------------------------- 103 1.1 mrg m4_define([lt_dict_fetch], 104 1.1 mrg [m4_ifval([$3], 105 1.1 mrg m4_ifdef([$1($2:$3)], [m4_defn([$1($2:$3)])]), 106 1.1 mrg m4_ifdef([$1($2)], [m4_defn([$1($2)])]))]) 107 1.1 mrg 108 1.1 mrg 109 1.1 mrg # lt_if_dict_fetch(DICT, KEY, [SUBKEY], VALUE, IF-TRUE, [IF-FALSE]) 110 1.1 mrg # ----------------------------------------------------------------- 111 1.1 mrg m4_define([lt_if_dict_fetch], 112 1.1 mrg [m4_if(lt_dict_fetch([$1], [$2], [$3]), [$4], 113 1.1 mrg [$5], 114 1.1 mrg [$6])]) 115 1.1 mrg 116 1.1 mrg 117 1.1 mrg # lt_dict_filter(DICT, [SUBKEY], VALUE, [SEPARATOR], KEY, [...]) 118 1.1 mrg # -------------------------------------------------------------- 119 1.1 mrg m4_define([lt_dict_filter], 120 1.1 mrg [m4_if([$5], [], [], 121 1.1 mrg [lt_join(m4_quote(m4_default([$4], [[, ]])), 122 1.1 mrg lt_unquote(m4_split(m4_normalize(m4_foreach(_Lt_key, lt_car([m4_shiftn(4, $@)]), 123 1.1 mrg [lt_if_dict_fetch([$1], _Lt_key, [$2], [$3], [_Lt_key ])])))))])[]dnl 124 1.1 mrg ]) 125
Indexes created Mon Oct 26 00:26:21 UTC 2026