1*10465441SEvalZero# ltsugar.m4 -- libtool m4 base layer. -*-Autoconf-*- 2*10465441SEvalZero# 3*10465441SEvalZero# Copyright (C) 2004-2005, 2007-2008, 2011-2015 Free Software 4*10465441SEvalZero# Foundation, Inc. 5*10465441SEvalZero# Written by Gary V. Vaughan, 2004 6*10465441SEvalZero# 7*10465441SEvalZero# This file is free software; the Free Software Foundation gives 8*10465441SEvalZero# unlimited permission to copy and/or distribute it, with or without 9*10465441SEvalZero# modifications, as long as this notice is preserved. 10*10465441SEvalZero 11*10465441SEvalZero# serial 6 ltsugar.m4 12*10465441SEvalZero 13*10465441SEvalZero# This is to help aclocal find these macros, as it can't see m4_define. 14*10465441SEvalZeroAC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])]) 15*10465441SEvalZero 16*10465441SEvalZero 17*10465441SEvalZero# lt_join(SEP, ARG1, [ARG2...]) 18*10465441SEvalZero# ----------------------------- 19*10465441SEvalZero# Produce ARG1SEPARG2...SEPARGn, omitting [] arguments and their 20*10465441SEvalZero# associated separator. 21*10465441SEvalZero# Needed until we can rely on m4_join from Autoconf 2.62, since all earlier 22*10465441SEvalZero# versions in m4sugar had bugs. 23*10465441SEvalZerom4_define([lt_join], 24*10465441SEvalZero[m4_if([$#], [1], [], 25*10465441SEvalZero [$#], [2], [[$2]], 26*10465441SEvalZero [m4_if([$2], [], [], [[$2]_])$0([$1], m4_shift(m4_shift($@)))])]) 27*10465441SEvalZerom4_define([_lt_join], 28*10465441SEvalZero[m4_if([$#$2], [2], [], 29*10465441SEvalZero [m4_if([$2], [], [], [[$1$2]])$0([$1], m4_shift(m4_shift($@)))])]) 30*10465441SEvalZero 31*10465441SEvalZero 32*10465441SEvalZero# lt_car(LIST) 33*10465441SEvalZero# lt_cdr(LIST) 34*10465441SEvalZero# ------------ 35*10465441SEvalZero# Manipulate m4 lists. 36*10465441SEvalZero# These macros are necessary as long as will still need to support 37*10465441SEvalZero# Autoconf-2.59, which quotes differently. 38*10465441SEvalZerom4_define([lt_car], [[$1]]) 39*10465441SEvalZerom4_define([lt_cdr], 40*10465441SEvalZero[m4_if([$#], 0, [m4_fatal([$0: cannot be called without arguments])], 41*10465441SEvalZero [$#], 1, [], 42*10465441SEvalZero [m4_dquote(m4_shift($@))])]) 43*10465441SEvalZerom4_define([lt_unquote], $1) 44*10465441SEvalZero 45*10465441SEvalZero 46*10465441SEvalZero# lt_append(MACRO-NAME, STRING, [SEPARATOR]) 47*10465441SEvalZero# ------------------------------------------ 48*10465441SEvalZero# Redefine MACRO-NAME to hold its former content plus 'SEPARATOR''STRING'. 49*10465441SEvalZero# Note that neither SEPARATOR nor STRING are expanded; they are appended 50*10465441SEvalZero# to MACRO-NAME as is (leaving the expansion for when MACRO-NAME is invoked). 51*10465441SEvalZero# No SEPARATOR is output if MACRO-NAME was previously undefined (different 52*10465441SEvalZero# than defined and empty). 53*10465441SEvalZero# 54*10465441SEvalZero# This macro is needed until we can rely on Autoconf 2.62, since earlier 55*10465441SEvalZero# versions of m4sugar mistakenly expanded SEPARATOR but not STRING. 56*10465441SEvalZerom4_define([lt_append], 57*10465441SEvalZero[m4_define([$1], 58*10465441SEvalZero m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])]) 59*10465441SEvalZero 60*10465441SEvalZero 61*10465441SEvalZero 62*10465441SEvalZero# lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...]) 63*10465441SEvalZero# ---------------------------------------------------------- 64*10465441SEvalZero# Produce a SEP delimited list of all paired combinations of elements of 65*10465441SEvalZero# PREFIX-LIST with SUFFIX1 through SUFFIXn. Each element of the list 66*10465441SEvalZero# has the form PREFIXmINFIXSUFFIXn. 67*10465441SEvalZero# Needed until we can rely on m4_combine added in Autoconf 2.62. 68*10465441SEvalZerom4_define([lt_combine], 69*10465441SEvalZero[m4_if(m4_eval([$# > 3]), [1], 70*10465441SEvalZero [m4_pushdef([_Lt_sep], [m4_define([_Lt_sep], m4_defn([lt_car]))])]]dnl 71*10465441SEvalZero[[m4_foreach([_Lt_prefix], [$2], 72*10465441SEvalZero [m4_foreach([_Lt_suffix], 73*10465441SEvalZero ]m4_dquote(m4_dquote(m4_shift(m4_shift(m4_shift($@)))))[, 74*10465441SEvalZero [_Lt_sep([$1])[]m4_defn([_Lt_prefix])[$3]m4_defn([_Lt_suffix])])])])]) 75*10465441SEvalZero 76*10465441SEvalZero 77*10465441SEvalZero# lt_if_append_uniq(MACRO-NAME, VARNAME, [SEPARATOR], [UNIQ], [NOT-UNIQ]) 78*10465441SEvalZero# ----------------------------------------------------------------------- 79*10465441SEvalZero# Iff MACRO-NAME does not yet contain VARNAME, then append it (delimited 80*10465441SEvalZero# by SEPARATOR if supplied) and expand UNIQ, else NOT-UNIQ. 81*10465441SEvalZerom4_define([lt_if_append_uniq], 82*10465441SEvalZero[m4_ifdef([$1], 83*10465441SEvalZero [m4_if(m4_index([$3]m4_defn([$1])[$3], [$3$2$3]), [-1], 84*10465441SEvalZero [lt_append([$1], [$2], [$3])$4], 85*10465441SEvalZero [$5])], 86*10465441SEvalZero [lt_append([$1], [$2], [$3])$4])]) 87*10465441SEvalZero 88*10465441SEvalZero 89*10465441SEvalZero# lt_dict_add(DICT, KEY, VALUE) 90*10465441SEvalZero# ----------------------------- 91*10465441SEvalZerom4_define([lt_dict_add], 92*10465441SEvalZero[m4_define([$1($2)], [$3])]) 93*10465441SEvalZero 94*10465441SEvalZero 95*10465441SEvalZero# lt_dict_add_subkey(DICT, KEY, SUBKEY, VALUE) 96*10465441SEvalZero# -------------------------------------------- 97*10465441SEvalZerom4_define([lt_dict_add_subkey], 98*10465441SEvalZero[m4_define([$1($2:$3)], [$4])]) 99*10465441SEvalZero 100*10465441SEvalZero 101*10465441SEvalZero# lt_dict_fetch(DICT, KEY, [SUBKEY]) 102*10465441SEvalZero# ---------------------------------- 103*10465441SEvalZerom4_define([lt_dict_fetch], 104*10465441SEvalZero[m4_ifval([$3], 105*10465441SEvalZero m4_ifdef([$1($2:$3)], [m4_defn([$1($2:$3)])]), 106*10465441SEvalZero m4_ifdef([$1($2)], [m4_defn([$1($2)])]))]) 107*10465441SEvalZero 108*10465441SEvalZero 109*10465441SEvalZero# lt_if_dict_fetch(DICT, KEY, [SUBKEY], VALUE, IF-TRUE, [IF-FALSE]) 110*10465441SEvalZero# ----------------------------------------------------------------- 111*10465441SEvalZerom4_define([lt_if_dict_fetch], 112*10465441SEvalZero[m4_if(lt_dict_fetch([$1], [$2], [$3]), [$4], 113*10465441SEvalZero [$5], 114*10465441SEvalZero [$6])]) 115*10465441SEvalZero 116*10465441SEvalZero 117*10465441SEvalZero# lt_dict_filter(DICT, [SUBKEY], VALUE, [SEPARATOR], KEY, [...]) 118*10465441SEvalZero# -------------------------------------------------------------- 119*10465441SEvalZerom4_define([lt_dict_filter], 120*10465441SEvalZero[m4_if([$5], [], [], 121*10465441SEvalZero [lt_join(m4_quote(m4_default([$4], [[, ]])), 122*10465441SEvalZero lt_unquote(m4_split(m4_normalize(m4_foreach(_Lt_key, lt_car([m4_shiftn(4, $@)]), 123*10465441SEvalZero [lt_if_dict_fetch([$1], _Lt_key, [$2], [$3], [_Lt_key ])])))))])[]dnl 124*10465441SEvalZero]) 125