1*75fd0b74Schristos# ltsugar.m4 -- libtool m4 base layer. -*-Autoconf-*- 2*75fd0b74Schristos# 3*75fd0b74Schristos# Copyright (C) 2004, 2005, 2007, 2008 Free Software Foundation, Inc. 4*75fd0b74Schristos# Written by Gary V. Vaughan, 2004 5*75fd0b74Schristos# 6*75fd0b74Schristos# This file is free software; the Free Software Foundation gives 7*75fd0b74Schristos# unlimited permission to copy and/or distribute it, with or without 8*75fd0b74Schristos# modifications, as long as this notice is preserved. 9*75fd0b74Schristos 10*75fd0b74Schristos# serial 6 ltsugar.m4 11*75fd0b74Schristos 12*75fd0b74Schristos# This is to help aclocal find these macros, as it can't see m4_define. 13*75fd0b74SchristosAC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])]) 14*75fd0b74Schristos 15*75fd0b74Schristos 16*75fd0b74Schristos# lt_join(SEP, ARG1, [ARG2...]) 17*75fd0b74Schristos# ----------------------------- 18*75fd0b74Schristos# Produce ARG1SEPARG2...SEPARGn, omitting [] arguments and their 19*75fd0b74Schristos# associated separator. 20*75fd0b74Schristos# Needed until we can rely on m4_join from Autoconf 2.62, since all earlier 21*75fd0b74Schristos# versions in m4sugar had bugs. 22*75fd0b74Schristosm4_define([lt_join], 23*75fd0b74Schristos[m4_if([$#], [1], [], 24*75fd0b74Schristos [$#], [2], [[$2]], 25*75fd0b74Schristos [m4_if([$2], [], [], [[$2]_])$0([$1], m4_shift(m4_shift($@)))])]) 26*75fd0b74Schristosm4_define([_lt_join], 27*75fd0b74Schristos[m4_if([$#$2], [2], [], 28*75fd0b74Schristos [m4_if([$2], [], [], [[$1$2]])$0([$1], m4_shift(m4_shift($@)))])]) 29*75fd0b74Schristos 30*75fd0b74Schristos 31*75fd0b74Schristos# lt_car(LIST) 32*75fd0b74Schristos# lt_cdr(LIST) 33*75fd0b74Schristos# ------------ 34*75fd0b74Schristos# Manipulate m4 lists. 35*75fd0b74Schristos# These macros are necessary as long as will still need to support 36*75fd0b74Schristos# Autoconf-2.59 which quotes differently. 37*75fd0b74Schristosm4_define([lt_car], [[$1]]) 38*75fd0b74Schristosm4_define([lt_cdr], 39*75fd0b74Schristos[m4_if([$#], 0, [m4_fatal([$0: cannot be called without arguments])], 40*75fd0b74Schristos [$#], 1, [], 41*75fd0b74Schristos [m4_dquote(m4_shift($@))])]) 42*75fd0b74Schristosm4_define([lt_unquote], $1) 43*75fd0b74Schristos 44*75fd0b74Schristos 45*75fd0b74Schristos# lt_append(MACRO-NAME, STRING, [SEPARATOR]) 46*75fd0b74Schristos# ------------------------------------------ 47*75fd0b74Schristos# Redefine MACRO-NAME to hold its former content plus `SEPARATOR'`STRING'. 48*75fd0b74Schristos# Note that neither SEPARATOR nor STRING are expanded; they are appended 49*75fd0b74Schristos# to MACRO-NAME as is (leaving the expansion for when MACRO-NAME is invoked). 50*75fd0b74Schristos# No SEPARATOR is output if MACRO-NAME was previously undefined (different 51*75fd0b74Schristos# than defined and empty). 52*75fd0b74Schristos# 53*75fd0b74Schristos# This macro is needed until we can rely on Autoconf 2.62, since earlier 54*75fd0b74Schristos# versions of m4sugar mistakenly expanded SEPARATOR but not STRING. 55*75fd0b74Schristosm4_define([lt_append], 56*75fd0b74Schristos[m4_define([$1], 57*75fd0b74Schristos m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])]) 58*75fd0b74Schristos 59*75fd0b74Schristos 60*75fd0b74Schristos 61*75fd0b74Schristos# lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...]) 62*75fd0b74Schristos# ---------------------------------------------------------- 63*75fd0b74Schristos# Produce a SEP delimited list of all paired combinations of elements of 64*75fd0b74Schristos# PREFIX-LIST with SUFFIX1 through SUFFIXn. Each element of the list 65*75fd0b74Schristos# has the form PREFIXmINFIXSUFFIXn. 66*75fd0b74Schristos# Needed until we can rely on m4_combine added in Autoconf 2.62. 67*75fd0b74Schristosm4_define([lt_combine], 68*75fd0b74Schristos[m4_if(m4_eval([$# > 3]), [1], 69*75fd0b74Schristos [m4_pushdef([_Lt_sep], [m4_define([_Lt_sep], m4_defn([lt_car]))])]]dnl 70*75fd0b74Schristos[[m4_foreach([_Lt_prefix], [$2], 71*75fd0b74Schristos [m4_foreach([_Lt_suffix], 72*75fd0b74Schristos ]m4_dquote(m4_dquote(m4_shift(m4_shift(m4_shift($@)))))[, 73*75fd0b74Schristos [_Lt_sep([$1])[]m4_defn([_Lt_prefix])[$3]m4_defn([_Lt_suffix])])])])]) 74*75fd0b74Schristos 75*75fd0b74Schristos 76*75fd0b74Schristos# lt_if_append_uniq(MACRO-NAME, VARNAME, [SEPARATOR], [UNIQ], [NOT-UNIQ]) 77*75fd0b74Schristos# ----------------------------------------------------------------------- 78*75fd0b74Schristos# Iff MACRO-NAME does not yet contain VARNAME, then append it (delimited 79*75fd0b74Schristos# by SEPARATOR if supplied) and expand UNIQ, else NOT-UNIQ. 80*75fd0b74Schristosm4_define([lt_if_append_uniq], 81*75fd0b74Schristos[m4_ifdef([$1], 82*75fd0b74Schristos [m4_if(m4_index([$3]m4_defn([$1])[$3], [$3$2$3]), [-1], 83*75fd0b74Schristos [lt_append([$1], [$2], [$3])$4], 84*75fd0b74Schristos [$5])], 85*75fd0b74Schristos [lt_append([$1], [$2], [$3])$4])]) 86*75fd0b74Schristos 87*75fd0b74Schristos 88*75fd0b74Schristos# lt_dict_add(DICT, KEY, VALUE) 89*75fd0b74Schristos# ----------------------------- 90*75fd0b74Schristosm4_define([lt_dict_add], 91*75fd0b74Schristos[m4_define([$1($2)], [$3])]) 92*75fd0b74Schristos 93*75fd0b74Schristos 94*75fd0b74Schristos# lt_dict_add_subkey(DICT, KEY, SUBKEY, VALUE) 95*75fd0b74Schristos# -------------------------------------------- 96*75fd0b74Schristosm4_define([lt_dict_add_subkey], 97*75fd0b74Schristos[m4_define([$1($2:$3)], [$4])]) 98*75fd0b74Schristos 99*75fd0b74Schristos 100*75fd0b74Schristos# lt_dict_fetch(DICT, KEY, [SUBKEY]) 101*75fd0b74Schristos# ---------------------------------- 102*75fd0b74Schristosm4_define([lt_dict_fetch], 103*75fd0b74Schristos[m4_ifval([$3], 104*75fd0b74Schristos m4_ifdef([$1($2:$3)], [m4_defn([$1($2:$3)])]), 105*75fd0b74Schristos m4_ifdef([$1($2)], [m4_defn([$1($2)])]))]) 106*75fd0b74Schristos 107*75fd0b74Schristos 108*75fd0b74Schristos# lt_if_dict_fetch(DICT, KEY, [SUBKEY], VALUE, IF-TRUE, [IF-FALSE]) 109*75fd0b74Schristos# ----------------------------------------------------------------- 110*75fd0b74Schristosm4_define([lt_if_dict_fetch], 111*75fd0b74Schristos[m4_if(lt_dict_fetch([$1], [$2], [$3]), [$4], 112*75fd0b74Schristos [$5], 113*75fd0b74Schristos [$6])]) 114*75fd0b74Schristos 115*75fd0b74Schristos 116*75fd0b74Schristos# lt_dict_filter(DICT, [SUBKEY], VALUE, [SEPARATOR], KEY, [...]) 117*75fd0b74Schristos# -------------------------------------------------------------- 118*75fd0b74Schristosm4_define([lt_dict_filter], 119*75fd0b74Schristos[m4_if([$5], [], [], 120*75fd0b74Schristos [lt_join(m4_quote(m4_default([$4], [[, ]])), 121*75fd0b74Schristos lt_unquote(m4_split(m4_normalize(m4_foreach(_Lt_key, lt_car([m4_shiftn(4, $@)]), 122*75fd0b74Schristos [lt_if_dict_fetch([$1], _Lt_key, [$2], [$3], [_Lt_key ])])))))])[]dnl 123*75fd0b74Schristos]) 124