1*4882a593Smuzhiyun# ltsugar.m4 -- libtool m4 base layer. -*-Autoconf-*- 2*4882a593Smuzhiyun# 3*4882a593Smuzhiyun# Copyright (C) 2004-2005, 2007-2008, 2011-2015 Free Software 4*4882a593Smuzhiyun# Foundation, Inc. 5*4882a593Smuzhiyun# Written by Gary V. Vaughan, 2004 6*4882a593Smuzhiyun# 7*4882a593Smuzhiyun# This file is free software; the Free Software Foundation gives 8*4882a593Smuzhiyun# unlimited permission to copy and/or distribute it, with or without 9*4882a593Smuzhiyun# modifications, as long as this notice is preserved. 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun# serial 6 ltsugar.m4 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun# This is to help aclocal find these macros, as it can't see m4_define. 14*4882a593SmuzhiyunAC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])]) 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun# lt_join(SEP, ARG1, [ARG2...]) 18*4882a593Smuzhiyun# ----------------------------- 19*4882a593Smuzhiyun# Produce ARG1SEPARG2...SEPARGn, omitting [] arguments and their 20*4882a593Smuzhiyun# associated separator. 21*4882a593Smuzhiyun# Needed until we can rely on m4_join from Autoconf 2.62, since all earlier 22*4882a593Smuzhiyun# versions in m4sugar had bugs. 23*4882a593Smuzhiyunm4_define([lt_join], 24*4882a593Smuzhiyun[m4_if([$#], [1], [], 25*4882a593Smuzhiyun [$#], [2], [[$2]], 26*4882a593Smuzhiyun [m4_if([$2], [], [], [[$2]_])$0([$1], m4_shift(m4_shift($@)))])]) 27*4882a593Smuzhiyunm4_define([_lt_join], 28*4882a593Smuzhiyun[m4_if([$#$2], [2], [], 29*4882a593Smuzhiyun [m4_if([$2], [], [], [[$1$2]])$0([$1], m4_shift(m4_shift($@)))])]) 30*4882a593Smuzhiyun 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun# lt_car(LIST) 33*4882a593Smuzhiyun# lt_cdr(LIST) 34*4882a593Smuzhiyun# ------------ 35*4882a593Smuzhiyun# Manipulate m4 lists. 36*4882a593Smuzhiyun# These macros are necessary as long as will still need to support 37*4882a593Smuzhiyun# Autoconf-2.59, which quotes differently. 38*4882a593Smuzhiyunm4_define([lt_car], [[$1]]) 39*4882a593Smuzhiyunm4_define([lt_cdr], 40*4882a593Smuzhiyun[m4_if([$#], 0, [m4_fatal([$0: cannot be called without arguments])], 41*4882a593Smuzhiyun [$#], 1, [], 42*4882a593Smuzhiyun [m4_dquote(m4_shift($@))])]) 43*4882a593Smuzhiyunm4_define([lt_unquote], $1) 44*4882a593Smuzhiyun 45*4882a593Smuzhiyun 46*4882a593Smuzhiyun# lt_append(MACRO-NAME, STRING, [SEPARATOR]) 47*4882a593Smuzhiyun# ------------------------------------------ 48*4882a593Smuzhiyun# Redefine MACRO-NAME to hold its former content plus 'SEPARATOR''STRING'. 49*4882a593Smuzhiyun# Note that neither SEPARATOR nor STRING are expanded; they are appended 50*4882a593Smuzhiyun# to MACRO-NAME as is (leaving the expansion for when MACRO-NAME is invoked). 51*4882a593Smuzhiyun# No SEPARATOR is output if MACRO-NAME was previously undefined (different 52*4882a593Smuzhiyun# than defined and empty). 53*4882a593Smuzhiyun# 54*4882a593Smuzhiyun# This macro is needed until we can rely on Autoconf 2.62, since earlier 55*4882a593Smuzhiyun# versions of m4sugar mistakenly expanded SEPARATOR but not STRING. 56*4882a593Smuzhiyunm4_define([lt_append], 57*4882a593Smuzhiyun[m4_define([$1], 58*4882a593Smuzhiyun m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])]) 59*4882a593Smuzhiyun 60*4882a593Smuzhiyun 61*4882a593Smuzhiyun 62*4882a593Smuzhiyun# lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...]) 63*4882a593Smuzhiyun# ---------------------------------------------------------- 64*4882a593Smuzhiyun# Produce a SEP delimited list of all paired combinations of elements of 65*4882a593Smuzhiyun# PREFIX-LIST with SUFFIX1 through SUFFIXn. Each element of the list 66*4882a593Smuzhiyun# has the form PREFIXmINFIXSUFFIXn. 67*4882a593Smuzhiyun# Needed until we can rely on m4_combine added in Autoconf 2.62. 68*4882a593Smuzhiyunm4_define([lt_combine], 69*4882a593Smuzhiyun[m4_if(m4_eval([$# > 3]), [1], 70*4882a593Smuzhiyun [m4_pushdef([_Lt_sep], [m4_define([_Lt_sep], m4_defn([lt_car]))])]]dnl 71*4882a593Smuzhiyun[[m4_foreach([_Lt_prefix], [$2], 72*4882a593Smuzhiyun [m4_foreach([_Lt_suffix], 73*4882a593Smuzhiyun ]m4_dquote(m4_dquote(m4_shift(m4_shift(m4_shift($@)))))[, 74*4882a593Smuzhiyun [_Lt_sep([$1])[]m4_defn([_Lt_prefix])[$3]m4_defn([_Lt_suffix])])])])]) 75*4882a593Smuzhiyun 76*4882a593Smuzhiyun 77*4882a593Smuzhiyun# lt_if_append_uniq(MACRO-NAME, VARNAME, [SEPARATOR], [UNIQ], [NOT-UNIQ]) 78*4882a593Smuzhiyun# ----------------------------------------------------------------------- 79*4882a593Smuzhiyun# Iff MACRO-NAME does not yet contain VARNAME, then append it (delimited 80*4882a593Smuzhiyun# by SEPARATOR if supplied) and expand UNIQ, else NOT-UNIQ. 81*4882a593Smuzhiyunm4_define([lt_if_append_uniq], 82*4882a593Smuzhiyun[m4_ifdef([$1], 83*4882a593Smuzhiyun [m4_if(m4_index([$3]m4_defn([$1])[$3], [$3$2$3]), [-1], 84*4882a593Smuzhiyun [lt_append([$1], [$2], [$3])$4], 85*4882a593Smuzhiyun [$5])], 86*4882a593Smuzhiyun [lt_append([$1], [$2], [$3])$4])]) 87*4882a593Smuzhiyun 88*4882a593Smuzhiyun 89*4882a593Smuzhiyun# lt_dict_add(DICT, KEY, VALUE) 90*4882a593Smuzhiyun# ----------------------------- 91*4882a593Smuzhiyunm4_define([lt_dict_add], 92*4882a593Smuzhiyun[m4_define([$1($2)], [$3])]) 93*4882a593Smuzhiyun 94*4882a593Smuzhiyun 95*4882a593Smuzhiyun# lt_dict_add_subkey(DICT, KEY, SUBKEY, VALUE) 96*4882a593Smuzhiyun# -------------------------------------------- 97*4882a593Smuzhiyunm4_define([lt_dict_add_subkey], 98*4882a593Smuzhiyun[m4_define([$1($2:$3)], [$4])]) 99*4882a593Smuzhiyun 100*4882a593Smuzhiyun 101*4882a593Smuzhiyun# lt_dict_fetch(DICT, KEY, [SUBKEY]) 102*4882a593Smuzhiyun# ---------------------------------- 103*4882a593Smuzhiyunm4_define([lt_dict_fetch], 104*4882a593Smuzhiyun[m4_ifval([$3], 105*4882a593Smuzhiyun m4_ifdef([$1($2:$3)], [m4_defn([$1($2:$3)])]), 106*4882a593Smuzhiyun m4_ifdef([$1($2)], [m4_defn([$1($2)])]))]) 107*4882a593Smuzhiyun 108*4882a593Smuzhiyun 109*4882a593Smuzhiyun# lt_if_dict_fetch(DICT, KEY, [SUBKEY], VALUE, IF-TRUE, [IF-FALSE]) 110*4882a593Smuzhiyun# ----------------------------------------------------------------- 111*4882a593Smuzhiyunm4_define([lt_if_dict_fetch], 112*4882a593Smuzhiyun[m4_if(lt_dict_fetch([$1], [$2], [$3]), [$4], 113*4882a593Smuzhiyun [$5], 114*4882a593Smuzhiyun [$6])]) 115*4882a593Smuzhiyun 116*4882a593Smuzhiyun 117*4882a593Smuzhiyun# lt_dict_filter(DICT, [SUBKEY], VALUE, [SEPARATOR], KEY, [...]) 118*4882a593Smuzhiyun# -------------------------------------------------------------- 119*4882a593Smuzhiyunm4_define([lt_dict_filter], 120*4882a593Smuzhiyun[m4_if([$5], [], [], 121*4882a593Smuzhiyun [lt_join(m4_quote(m4_default([$4], [[, ]])), 122*4882a593Smuzhiyun lt_unquote(m4_split(m4_normalize(m4_foreach(_Lt_key, lt_car([m4_shiftn(4, $@)]), 123*4882a593Smuzhiyun [lt_if_dict_fetch([$1], _Lt_key, [$2], [$3], [_Lt_key ])])))))])[]dnl 124*4882a593Smuzhiyun]) 125