1275970Scy# ltsugar.m4 -- libtool m4 base layer. -*-Autoconf-*- 2275970Scy# 3316069Sdelphij# Copyright (C) 2004-2005, 2007-2008, 2011-2015 Free Software 4316069Sdelphij# Foundation, Inc. 5275970Scy# Written by Gary V. Vaughan, 2004 6275970Scy# 7275970Scy# This file is free software; the Free Software Foundation gives 8275970Scy# unlimited permission to copy and/or distribute it, with or without 9275970Scy# modifications, as long as this notice is preserved. 10275970Scy 11275970Scy# serial 6 ltsugar.m4 12275970Scy 13275970Scy# This is to help aclocal find these macros, as it can't see m4_define. 14275970ScyAC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])]) 15275970Scy 16275970Scy 17275970Scy# lt_join(SEP, ARG1, [ARG2...]) 18275970Scy# ----------------------------- 19275970Scy# Produce ARG1SEPARG2...SEPARGn, omitting [] arguments and their 20275970Scy# associated separator. 21275970Scy# Needed until we can rely on m4_join from Autoconf 2.62, since all earlier 22275970Scy# versions in m4sugar had bugs. 23275970Scym4_define([lt_join], 24275970Scy[m4_if([$#], [1], [], 25275970Scy [$#], [2], [[$2]], 26275970Scy [m4_if([$2], [], [], [[$2]_])$0([$1], m4_shift(m4_shift($@)))])]) 27275970Scym4_define([_lt_join], 28275970Scy[m4_if([$#$2], [2], [], 29275970Scy [m4_if([$2], [], [], [[$1$2]])$0([$1], m4_shift(m4_shift($@)))])]) 30275970Scy 31275970Scy 32275970Scy# lt_car(LIST) 33275970Scy# lt_cdr(LIST) 34275970Scy# ------------ 35275970Scy# Manipulate m4 lists. 36275970Scy# These macros are necessary as long as will still need to support 37316069Sdelphij# Autoconf-2.59, which quotes differently. 38275970Scym4_define([lt_car], [[$1]]) 39275970Scym4_define([lt_cdr], 40275970Scy[m4_if([$#], 0, [m4_fatal([$0: cannot be called without arguments])], 41275970Scy [$#], 1, [], 42275970Scy [m4_dquote(m4_shift($@))])]) 43275970Scym4_define([lt_unquote], $1) 44275970Scy 45275970Scy 46275970Scy# lt_append(MACRO-NAME, STRING, [SEPARATOR]) 47275970Scy# ------------------------------------------ 48316069Sdelphij# Redefine MACRO-NAME to hold its former content plus 'SEPARATOR''STRING'. 49275970Scy# Note that neither SEPARATOR nor STRING are expanded; they are appended 50275970Scy# to MACRO-NAME as is (leaving the expansion for when MACRO-NAME is invoked). 51275970Scy# No SEPARATOR is output if MACRO-NAME was previously undefined (different 52275970Scy# than defined and empty). 53275970Scy# 54275970Scy# This macro is needed until we can rely on Autoconf 2.62, since earlier 55275970Scy# versions of m4sugar mistakenly expanded SEPARATOR but not STRING. 56275970Scym4_define([lt_append], 57275970Scy[m4_define([$1], 58275970Scy m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])]) 59275970Scy 60275970Scy 61275970Scy 62275970Scy# lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...]) 63275970Scy# ---------------------------------------------------------- 64275970Scy# Produce a SEP delimited list of all paired combinations of elements of 65275970Scy# PREFIX-LIST with SUFFIX1 through SUFFIXn. Each element of the list 66275970Scy# has the form PREFIXmINFIXSUFFIXn. 67275970Scy# Needed until we can rely on m4_combine added in Autoconf 2.62. 68275970Scym4_define([lt_combine], 69275970Scy[m4_if(m4_eval([$# > 3]), [1], 70275970Scy [m4_pushdef([_Lt_sep], [m4_define([_Lt_sep], m4_defn([lt_car]))])]]dnl 71275970Scy[[m4_foreach([_Lt_prefix], [$2], 72275970Scy [m4_foreach([_Lt_suffix], 73275970Scy ]m4_dquote(m4_dquote(m4_shift(m4_shift(m4_shift($@)))))[, 74275970Scy [_Lt_sep([$1])[]m4_defn([_Lt_prefix])[$3]m4_defn([_Lt_suffix])])])])]) 75275970Scy 76275970Scy 77275970Scy# lt_if_append_uniq(MACRO-NAME, VARNAME, [SEPARATOR], [UNIQ], [NOT-UNIQ]) 78275970Scy# ----------------------------------------------------------------------- 79275970Scy# Iff MACRO-NAME does not yet contain VARNAME, then append it (delimited 80275970Scy# by SEPARATOR if supplied) and expand UNIQ, else NOT-UNIQ. 81275970Scym4_define([lt_if_append_uniq], 82275970Scy[m4_ifdef([$1], 83275970Scy [m4_if(m4_index([$3]m4_defn([$1])[$3], [$3$2$3]), [-1], 84275970Scy [lt_append([$1], [$2], [$3])$4], 85275970Scy [$5])], 86275970Scy [lt_append([$1], [$2], [$3])$4])]) 87275970Scy 88275970Scy 89275970Scy# lt_dict_add(DICT, KEY, VALUE) 90275970Scy# ----------------------------- 91275970Scym4_define([lt_dict_add], 92275970Scy[m4_define([$1($2)], [$3])]) 93275970Scy 94275970Scy 95275970Scy# lt_dict_add_subkey(DICT, KEY, SUBKEY, VALUE) 96275970Scy# -------------------------------------------- 97275970Scym4_define([lt_dict_add_subkey], 98275970Scy[m4_define([$1($2:$3)], [$4])]) 99275970Scy 100275970Scy 101275970Scy# lt_dict_fetch(DICT, KEY, [SUBKEY]) 102275970Scy# ---------------------------------- 103275970Scym4_define([lt_dict_fetch], 104275970Scy[m4_ifval([$3], 105275970Scy m4_ifdef([$1($2:$3)], [m4_defn([$1($2:$3)])]), 106275970Scy m4_ifdef([$1($2)], [m4_defn([$1($2)])]))]) 107275970Scy 108275970Scy 109275970Scy# lt_if_dict_fetch(DICT, KEY, [SUBKEY], VALUE, IF-TRUE, [IF-FALSE]) 110275970Scy# ----------------------------------------------------------------- 111275970Scym4_define([lt_if_dict_fetch], 112275970Scy[m4_if(lt_dict_fetch([$1], [$2], [$3]), [$4], 113275970Scy [$5], 114275970Scy [$6])]) 115275970Scy 116275970Scy 117275970Scy# lt_dict_filter(DICT, [SUBKEY], VALUE, [SEPARATOR], KEY, [...]) 118275970Scy# -------------------------------------------------------------- 119275970Scym4_define([lt_dict_filter], 120275970Scy[m4_if([$5], [], [], 121275970Scy [lt_join(m4_quote(m4_default([$4], [[, ]])), 122275970Scy lt_unquote(m4_split(m4_normalize(m4_foreach(_Lt_key, lt_car([m4_shiftn(4, $@)]), 123275970Scy [lt_if_dict_fetch([$1], _Lt_key, [$2], [$3], [_Lt_key ])])))))])[]dnl 124275970Scy]) 125