1214571Sdim# ltsugar.m4 -- libtool m4 base layer. -*-Autoconf-*- 2214571Sdim# 3214571Sdim# Copyright (C) 2004, 2005 Free Software Foundation, Inc. 4214571Sdim# Written by Gary V. Vaughan. 5214571Sdim# 6214571Sdim# This file is free software; the Free Software Foundation gives 7214571Sdim# unlimited permission to copy and/or distribute it, with or without 8214571Sdim# modifications, as long as this notice is preserved. 9214571Sdim 10214571Sdim# serial 3 ltsugar.m4 11214571Sdim 12214571Sdim# This is to help aclocal find these macros, as it can't see m4_define. 13214571SdimAC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])]) 14214571Sdim 15214571Sdim 16214571Sdim# lt_join(SEP, ARG1, [ARG2...]) 17214571Sdim# ----------------------------- 18214571Sdim# Produce ARG1SEPARG2...SEPARGn, omitting [] arguments and their 19214571Sdim# associated separator. 20214571Sdimm4_define([lt_join], 21214571Sdim[m4_case([$#], 22214571Sdim [0], [m4_fatal([$0: too few arguments: $#])], 23214571Sdim [1], [], 24214571Sdim [2], [[$2]], 25214571Sdim [m4_ifval([$2], 26214571Sdim [[$2][]m4_foreach(_lt_Arg, lt_car([m4_shiftn(2, $@)]), 27214571Sdim [_$0([$1], _lt_Arg)])], 28214571Sdim [$0([$1], m4_shiftn(2, $@))])])[]dnl 29214571Sdim]) 30214571Sdimm4_define([_lt_join], 31214571Sdim[m4_ifval([$2],[$1][$2])[]dnl 32214571Sdim]) 33214571Sdim 34214571Sdim 35214571Sdim# lt_car(LIST) 36214571Sdim# lt_cdr(LIST) 37214571Sdim# ------------ 38214571Sdim# Manipulate m4 lists. 39214571Sdim# These macros are necessary as long as will still need to support 40214571Sdim# Autoconf-2.59 which quotes differently. 41214571Sdimm4_define([lt_car], [[$1]]) 42214571Sdimm4_define([lt_cdr], 43214571Sdim[m4_if([$#], 0, [m4_fatal([$0: cannot be called without arguments])], 44214571Sdim [$#], 1, [], 45214571Sdim [m4_dquote(m4_shift($@))])]) 46214571Sdimm4_define([lt_unquote], $1) 47214571Sdim 48214571Sdim 49214571Sdim# lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...]) 50214571Sdim# ---------------------------------------------------------- 51214571Sdim# Produce a SEP delimited list of all paired combinations of elements of 52214571Sdim# PREFIX-LIST with SUFFIX1 through SUFFIXn. Each element of the list 53214571Sdim# has the form PREFIXmINFIXSUFFIXn. 54214571Sdimm4_define([lt_combine], 55214571Sdim[m4_if([$2], [], [], 56214571Sdim [m4_if([$4], [], [], 57214571Sdim [lt_join(m4_quote(m4_default([$1], [[, ]])), 58214571Sdim lt_unquote(m4_split(m4_normalize(m4_foreach(_Lt_prefix, [$2], 59214571Sdim [m4_foreach(_Lt_suffix, lt_car([m4_shiftn(3, $@)]), 60214571Sdim [_Lt_prefix[]$3[]_Lt_suffix ])])))))])])dnl 61214571Sdim]) 62214571Sdim 63214571Sdim 64214571Sdim# lt_if_append_uniq(MACRO-NAME, VARNAME, [SEPARATOR], [UNIQ], [NOT-UNIQ]) 65214571Sdim# ----------------------------------------------------------------------- 66214571Sdim# Iff MACRO-NAME does not yet contain VARNAME, then append it (delimited 67214571Sdim# by SEPARATOR if supplied) and expand UNIQ, else NOT-UNIQ. 68214571Sdimm4_define([lt_if_append_uniq], 69214571Sdim[m4_ifdef([$1], 70214571Sdim [m4_bmatch($3[]m4_defn([$1])$3, $3[]m4_re_escape([$2])$3, 71214571Sdim [$5], 72214571Sdim [m4_append([$1], [$2], [$3])$4])], 73214571Sdim [m4_append([$1], [$2], [$3])$4])]) 74214571Sdim 75214571Sdim 76214571Sdim# lt_dict_add(DICT, KEY, VALUE) 77214571Sdim# ----------------------------- 78214571Sdimm4_define([lt_dict_add], 79214571Sdim[m4_define([$1($2)], [$4])]) 80214571Sdim 81214571Sdim 82214571Sdim# lt_dict_add_subkey(DICT, KEY, SUBKEY, VALUE) 83214571Sdim# -------------------------------------------- 84214571Sdimm4_define([lt_dict_add_subkey], 85214571Sdim[m4_define([$1($2:$3)], [$4])]) 86214571Sdim 87214571Sdim 88214571Sdim# lt_dict_fetch(DICT, KEY, [SUBKEY]) 89214571Sdim# ---------------------------------- 90214571Sdimm4_define([lt_dict_fetch], 91214571Sdim[m4_ifval([$3], 92214571Sdim m4_ifdef([$1($2:$3)], [m4_defn([$1($2:$3)])]), 93214571Sdim m4_ifdef([$1($2)], [m4_defn([$1($2)])]))]) 94214571Sdim 95214571Sdim 96214571Sdim# lt_if_dict_fetch(DICT, KEY, [SUBKEY], VALUE, IF-TRUE, [IF-FALSE]) 97214571Sdim# ----------------------------------------------------------------- 98214571Sdimm4_define([lt_if_dict_fetch], 99214571Sdim[m4_if(lt_dict_fetch([$1], [$2], [$3]), [$4], 100214571Sdim [$5], 101214571Sdim [$6])]) 102214571Sdim 103214571Sdim 104214571Sdim# lt_dict_filter(DICT, [SUBKEY], VALUE, [SEPARATOR], KEY, [...]) 105214571Sdim# -------------------------------------------------------------- 106214571Sdimm4_define([lt_dict_filter], 107214571Sdim[m4_if([$5], [], [], 108214571Sdim [lt_join(m4_quote(m4_default([$4], [[, ]])), 109214571Sdim lt_unquote(m4_split(m4_normalize(m4_foreach(_Lt_key, lt_car([m4_shiftn(4, $@)]), 110214571Sdim [lt_if_dict_fetch([$1], _Lt_key, [$2], [$3], [_Lt_key ])])))))])[]dnl 111214571Sdim]) 112