1*e670fd5cSchristos# ltsugar.m4 -- libtool m4 base layer. -*-Autoconf-*- 2*e670fd5cSchristos# 3*e670fd5cSchristos# Copyright (C) 2004-2005, 2007-2008, 2011-2015 Free Software 4*e670fd5cSchristos# Foundation, Inc. 5*e670fd5cSchristos# Written by Gary V. Vaughan, 2004 6*e670fd5cSchristos# 7*e670fd5cSchristos# This file is free software; the Free Software Foundation gives 8*e670fd5cSchristos# unlimited permission to copy and/or distribute it, with or without 9*e670fd5cSchristos# modifications, as long as this notice is preserved. 10*e670fd5cSchristos 11*e670fd5cSchristos# serial 6 ltsugar.m4 12*e670fd5cSchristos 13*e670fd5cSchristos# This is to help aclocal find these macros, as it can't see m4_define. 14*e670fd5cSchristosAC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])]) 15*e670fd5cSchristos 16*e670fd5cSchristos 17*e670fd5cSchristos# lt_join(SEP, ARG1, [ARG2...]) 18*e670fd5cSchristos# ----------------------------- 19*e670fd5cSchristos# Produce ARG1SEPARG2...SEPARGn, omitting [] arguments and their 20*e670fd5cSchristos# associated separator. 21*e670fd5cSchristos# Needed until we can rely on m4_join from Autoconf 2.62, since all earlier 22*e670fd5cSchristos# versions in m4sugar had bugs. 23*e670fd5cSchristosm4_define([lt_join], 24*e670fd5cSchristos[m4_if([$#], [1], [], 25*e670fd5cSchristos [$#], [2], [[$2]], 26*e670fd5cSchristos [m4_if([$2], [], [], [[$2]_])$0([$1], m4_shift(m4_shift($@)))])]) 27*e670fd5cSchristosm4_define([_lt_join], 28*e670fd5cSchristos[m4_if([$#$2], [2], [], 29*e670fd5cSchristos [m4_if([$2], [], [], [[$1$2]])$0([$1], m4_shift(m4_shift($@)))])]) 30*e670fd5cSchristos 31*e670fd5cSchristos 32*e670fd5cSchristos# lt_car(LIST) 33*e670fd5cSchristos# lt_cdr(LIST) 34*e670fd5cSchristos# ------------ 35*e670fd5cSchristos# Manipulate m4 lists. 36*e670fd5cSchristos# These macros are necessary as long as will still need to support 37*e670fd5cSchristos# Autoconf-2.59, which quotes differently. 38*e670fd5cSchristosm4_define([lt_car], [[$1]]) 39*e670fd5cSchristosm4_define([lt_cdr], 40*e670fd5cSchristos[m4_if([$#], 0, [m4_fatal([$0: cannot be called without arguments])], 41*e670fd5cSchristos [$#], 1, [], 42*e670fd5cSchristos [m4_dquote(m4_shift($@))])]) 43*e670fd5cSchristosm4_define([lt_unquote], $1) 44*e670fd5cSchristos 45*e670fd5cSchristos 46*e670fd5cSchristos# lt_append(MACRO-NAME, STRING, [SEPARATOR]) 47*e670fd5cSchristos# ------------------------------------------ 48*e670fd5cSchristos# Redefine MACRO-NAME to hold its former content plus 'SEPARATOR''STRING'. 49*e670fd5cSchristos# Note that neither SEPARATOR nor STRING are expanded; they are appended 50*e670fd5cSchristos# to MACRO-NAME as is (leaving the expansion for when MACRO-NAME is invoked). 51*e670fd5cSchristos# No SEPARATOR is output if MACRO-NAME was previously undefined (different 52*e670fd5cSchristos# than defined and empty). 53*e670fd5cSchristos# 54*e670fd5cSchristos# This macro is needed until we can rely on Autoconf 2.62, since earlier 55*e670fd5cSchristos# versions of m4sugar mistakenly expanded SEPARATOR but not STRING. 56*e670fd5cSchristosm4_define([lt_append], 57*e670fd5cSchristos[m4_define([$1], 58*e670fd5cSchristos m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])]) 59*e670fd5cSchristos 60*e670fd5cSchristos 61*e670fd5cSchristos 62*e670fd5cSchristos# lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...]) 63*e670fd5cSchristos# ---------------------------------------------------------- 64*e670fd5cSchristos# Produce a SEP delimited list of all paired combinations of elements of 65*e670fd5cSchristos# PREFIX-LIST with SUFFIX1 through SUFFIXn. Each element of the list 66*e670fd5cSchristos# has the form PREFIXmINFIXSUFFIXn. 67*e670fd5cSchristos# Needed until we can rely on m4_combine added in Autoconf 2.62. 68*e670fd5cSchristosm4_define([lt_combine], 69*e670fd5cSchristos[m4_if(m4_eval([$# > 3]), [1], 70*e670fd5cSchristos [m4_pushdef([_Lt_sep], [m4_define([_Lt_sep], m4_defn([lt_car]))])]]dnl 71*e670fd5cSchristos[[m4_foreach([_Lt_prefix], [$2], 72*e670fd5cSchristos [m4_foreach([_Lt_suffix], 73*e670fd5cSchristos ]m4_dquote(m4_dquote(m4_shift(m4_shift(m4_shift($@)))))[, 74*e670fd5cSchristos [_Lt_sep([$1])[]m4_defn([_Lt_prefix])[$3]m4_defn([_Lt_suffix])])])])]) 75*e670fd5cSchristos 76*e670fd5cSchristos 77*e670fd5cSchristos# lt_if_append_uniq(MACRO-NAME, VARNAME, [SEPARATOR], [UNIQ], [NOT-UNIQ]) 78*e670fd5cSchristos# ----------------------------------------------------------------------- 79*e670fd5cSchristos# Iff MACRO-NAME does not yet contain VARNAME, then append it (delimited 80*e670fd5cSchristos# by SEPARATOR if supplied) and expand UNIQ, else NOT-UNIQ. 81*e670fd5cSchristosm4_define([lt_if_append_uniq], 82*e670fd5cSchristos[m4_ifdef([$1], 83*e670fd5cSchristos [m4_if(m4_index([$3]m4_defn([$1])[$3], [$3$2$3]), [-1], 84*e670fd5cSchristos [lt_append([$1], [$2], [$3])$4], 85*e670fd5cSchristos [$5])], 86*e670fd5cSchristos [lt_append([$1], [$2], [$3])$4])]) 87*e670fd5cSchristos 88*e670fd5cSchristos 89*e670fd5cSchristos# lt_dict_add(DICT, KEY, VALUE) 90*e670fd5cSchristos# ----------------------------- 91*e670fd5cSchristosm4_define([lt_dict_add], 92*e670fd5cSchristos[m4_define([$1($2)], [$3])]) 93*e670fd5cSchristos 94*e670fd5cSchristos 95*e670fd5cSchristos# lt_dict_add_subkey(DICT, KEY, SUBKEY, VALUE) 96*e670fd5cSchristos# -------------------------------------------- 97*e670fd5cSchristosm4_define([lt_dict_add_subkey], 98*e670fd5cSchristos[m4_define([$1($2:$3)], [$4])]) 99*e670fd5cSchristos 100*e670fd5cSchristos 101*e670fd5cSchristos# lt_dict_fetch(DICT, KEY, [SUBKEY]) 102*e670fd5cSchristos# ---------------------------------- 103*e670fd5cSchristosm4_define([lt_dict_fetch], 104*e670fd5cSchristos[m4_ifval([$3], 105*e670fd5cSchristos m4_ifdef([$1($2:$3)], [m4_defn([$1($2:$3)])]), 106*e670fd5cSchristos m4_ifdef([$1($2)], [m4_defn([$1($2)])]))]) 107*e670fd5cSchristos 108*e670fd5cSchristos 109*e670fd5cSchristos# lt_if_dict_fetch(DICT, KEY, [SUBKEY], VALUE, IF-TRUE, [IF-FALSE]) 110*e670fd5cSchristos# ----------------------------------------------------------------- 111*e670fd5cSchristosm4_define([lt_if_dict_fetch], 112*e670fd5cSchristos[m4_if(lt_dict_fetch([$1], [$2], [$3]), [$4], 113*e670fd5cSchristos [$5], 114*e670fd5cSchristos [$6])]) 115*e670fd5cSchristos 116*e670fd5cSchristos 117*e670fd5cSchristos# lt_dict_filter(DICT, [SUBKEY], VALUE, [SEPARATOR], KEY, [...]) 118*e670fd5cSchristos# -------------------------------------------------------------- 119*e670fd5cSchristosm4_define([lt_dict_filter], 120*e670fd5cSchristos[m4_if([$5], [], [], 121*e670fd5cSchristos [lt_join(m4_quote(m4_default([$4], [[, ]])), 122*e670fd5cSchristos lt_unquote(m4_split(m4_normalize(m4_foreach(_Lt_key, lt_car([m4_shiftn(4, $@)]), 123*e670fd5cSchristos [lt_if_dict_fetch([$1], _Lt_key, [$2], [$3], [_Lt_key ])])))))])[]dnl 124*e670fd5cSchristos]) 125