1*5ddc57e5SXin Li# ltsugar.m4 -- libtool m4 base layer. -*-Autoconf-*- 2*5ddc57e5SXin Li# 3*5ddc57e5SXin Li# Copyright (C) 2004, 2005, 2007, 2008 Free Software Foundation, Inc. 4*5ddc57e5SXin Li# Written by Gary V. Vaughan, 2004 5*5ddc57e5SXin Li# 6*5ddc57e5SXin Li# This file is free software; the Free Software Foundation gives 7*5ddc57e5SXin Li# unlimited permission to copy and/or distribute it, with or without 8*5ddc57e5SXin Li# modifications, as long as this notice is preserved. 9*5ddc57e5SXin Li 10*5ddc57e5SXin Li# serial 6 ltsugar.m4 11*5ddc57e5SXin Li 12*5ddc57e5SXin Li# This is to help aclocal find these macros, as it can't see m4_define. 13*5ddc57e5SXin LiAC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])]) 14*5ddc57e5SXin Li 15*5ddc57e5SXin Li 16*5ddc57e5SXin Li# lt_join(SEP, ARG1, [ARG2...]) 17*5ddc57e5SXin Li# ----------------------------- 18*5ddc57e5SXin Li# Produce ARG1SEPARG2...SEPARGn, omitting [] arguments and their 19*5ddc57e5SXin Li# associated separator. 20*5ddc57e5SXin Li# Needed until we can rely on m4_join from Autoconf 2.62, since all earlier 21*5ddc57e5SXin Li# versions in m4sugar had bugs. 22*5ddc57e5SXin Lim4_define([lt_join], 23*5ddc57e5SXin Li[m4_if([$#], [1], [], 24*5ddc57e5SXin Li [$#], [2], [[$2]], 25*5ddc57e5SXin Li [m4_if([$2], [], [], [[$2]_])$0([$1], m4_shift(m4_shift($@)))])]) 26*5ddc57e5SXin Lim4_define([_lt_join], 27*5ddc57e5SXin Li[m4_if([$#$2], [2], [], 28*5ddc57e5SXin Li [m4_if([$2], [], [], [[$1$2]])$0([$1], m4_shift(m4_shift($@)))])]) 29*5ddc57e5SXin Li 30*5ddc57e5SXin Li 31*5ddc57e5SXin Li# lt_car(LIST) 32*5ddc57e5SXin Li# lt_cdr(LIST) 33*5ddc57e5SXin Li# ------------ 34*5ddc57e5SXin Li# Manipulate m4 lists. 35*5ddc57e5SXin Li# These macros are necessary as long as will still need to support 36*5ddc57e5SXin Li# Autoconf-2.59 which quotes differently. 37*5ddc57e5SXin Lim4_define([lt_car], [[$1]]) 38*5ddc57e5SXin Lim4_define([lt_cdr], 39*5ddc57e5SXin Li[m4_if([$#], 0, [m4_fatal([$0: cannot be called without arguments])], 40*5ddc57e5SXin Li [$#], 1, [], 41*5ddc57e5SXin Li [m4_dquote(m4_shift($@))])]) 42*5ddc57e5SXin Lim4_define([lt_unquote], $1) 43*5ddc57e5SXin Li 44*5ddc57e5SXin Li 45*5ddc57e5SXin Li# lt_append(MACRO-NAME, STRING, [SEPARATOR]) 46*5ddc57e5SXin Li# ------------------------------------------ 47*5ddc57e5SXin Li# Redefine MACRO-NAME to hold its former content plus `SEPARATOR'`STRING'. 48*5ddc57e5SXin Li# Note that neither SEPARATOR nor STRING are expanded; they are appended 49*5ddc57e5SXin Li# to MACRO-NAME as is (leaving the expansion for when MACRO-NAME is invoked). 50*5ddc57e5SXin Li# No SEPARATOR is output if MACRO-NAME was previously undefined (different 51*5ddc57e5SXin Li# than defined and empty). 52*5ddc57e5SXin Li# 53*5ddc57e5SXin Li# This macro is needed until we can rely on Autoconf 2.62, since earlier 54*5ddc57e5SXin Li# versions of m4sugar mistakenly expanded SEPARATOR but not STRING. 55*5ddc57e5SXin Lim4_define([lt_append], 56*5ddc57e5SXin Li[m4_define([$1], 57*5ddc57e5SXin Li m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])]) 58*5ddc57e5SXin Li 59*5ddc57e5SXin Li 60*5ddc57e5SXin Li 61*5ddc57e5SXin Li# lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...]) 62*5ddc57e5SXin Li# ---------------------------------------------------------- 63*5ddc57e5SXin Li# Produce a SEP delimited list of all paired combinations of elements of 64*5ddc57e5SXin Li# PREFIX-LIST with SUFFIX1 through SUFFIXn. Each element of the list 65*5ddc57e5SXin Li# has the form PREFIXmINFIXSUFFIXn. 66*5ddc57e5SXin Li# Needed until we can rely on m4_combine added in Autoconf 2.62. 67*5ddc57e5SXin Lim4_define([lt_combine], 68*5ddc57e5SXin Li[m4_if(m4_eval([$# > 3]), [1], 69*5ddc57e5SXin Li [m4_pushdef([_Lt_sep], [m4_define([_Lt_sep], m4_defn([lt_car]))])]]dnl 70*5ddc57e5SXin Li[[m4_foreach([_Lt_prefix], [$2], 71*5ddc57e5SXin Li [m4_foreach([_Lt_suffix], 72*5ddc57e5SXin Li ]m4_dquote(m4_dquote(m4_shift(m4_shift(m4_shift($@)))))[, 73*5ddc57e5SXin Li [_Lt_sep([$1])[]m4_defn([_Lt_prefix])[$3]m4_defn([_Lt_suffix])])])])]) 74*5ddc57e5SXin Li 75*5ddc57e5SXin Li 76*5ddc57e5SXin Li# lt_if_append_uniq(MACRO-NAME, VARNAME, [SEPARATOR], [UNIQ], [NOT-UNIQ]) 77*5ddc57e5SXin Li# ----------------------------------------------------------------------- 78*5ddc57e5SXin Li# Iff MACRO-NAME does not yet contain VARNAME, then append it (delimited 79*5ddc57e5SXin Li# by SEPARATOR if supplied) and expand UNIQ, else NOT-UNIQ. 80*5ddc57e5SXin Lim4_define([lt_if_append_uniq], 81*5ddc57e5SXin Li[m4_ifdef([$1], 82*5ddc57e5SXin Li [m4_if(m4_index([$3]m4_defn([$1])[$3], [$3$2$3]), [-1], 83*5ddc57e5SXin Li [lt_append([$1], [$2], [$3])$4], 84*5ddc57e5SXin Li [$5])], 85*5ddc57e5SXin Li [lt_append([$1], [$2], [$3])$4])]) 86*5ddc57e5SXin Li 87*5ddc57e5SXin Li 88*5ddc57e5SXin Li# lt_dict_add(DICT, KEY, VALUE) 89*5ddc57e5SXin Li# ----------------------------- 90*5ddc57e5SXin Lim4_define([lt_dict_add], 91*5ddc57e5SXin Li[m4_define([$1($2)], [$3])]) 92*5ddc57e5SXin Li 93*5ddc57e5SXin Li 94*5ddc57e5SXin Li# lt_dict_add_subkey(DICT, KEY, SUBKEY, VALUE) 95*5ddc57e5SXin Li# -------------------------------------------- 96*5ddc57e5SXin Lim4_define([lt_dict_add_subkey], 97*5ddc57e5SXin Li[m4_define([$1($2:$3)], [$4])]) 98*5ddc57e5SXin Li 99*5ddc57e5SXin Li 100*5ddc57e5SXin Li# lt_dict_fetch(DICT, KEY, [SUBKEY]) 101*5ddc57e5SXin Li# ---------------------------------- 102*5ddc57e5SXin Lim4_define([lt_dict_fetch], 103*5ddc57e5SXin Li[m4_ifval([$3], 104*5ddc57e5SXin Li m4_ifdef([$1($2:$3)], [m4_defn([$1($2:$3)])]), 105*5ddc57e5SXin Li m4_ifdef([$1($2)], [m4_defn([$1($2)])]))]) 106*5ddc57e5SXin Li 107*5ddc57e5SXin Li 108*5ddc57e5SXin Li# lt_if_dict_fetch(DICT, KEY, [SUBKEY], VALUE, IF-TRUE, [IF-FALSE]) 109*5ddc57e5SXin Li# ----------------------------------------------------------------- 110*5ddc57e5SXin Lim4_define([lt_if_dict_fetch], 111*5ddc57e5SXin Li[m4_if(lt_dict_fetch([$1], [$2], [$3]), [$4], 112*5ddc57e5SXin Li [$5], 113*5ddc57e5SXin Li [$6])]) 114*5ddc57e5SXin Li 115*5ddc57e5SXin Li 116*5ddc57e5SXin Li# lt_dict_filter(DICT, [SUBKEY], VALUE, [SEPARATOR], KEY, [...]) 117*5ddc57e5SXin Li# -------------------------------------------------------------- 118*5ddc57e5SXin Lim4_define([lt_dict_filter], 119*5ddc57e5SXin Li[m4_if([$5], [], [], 120*5ddc57e5SXin Li [lt_join(m4_quote(m4_default([$4], [[, ]])), 121*5ddc57e5SXin Li lt_unquote(m4_split(m4_normalize(m4_foreach(_Lt_key, lt_car([m4_shiftn(4, $@)]), 122*5ddc57e5SXin Li [lt_if_dict_fetch([$1], _Lt_key, [$2], [$3], [_Lt_key ])])))))])[]dnl 123*5ddc57e5SXin Li]) 124