1*1debfc3dSmrg# ltsugar.m4 -- libtool m4 base layer. -*-Autoconf-*- 2*1debfc3dSmrg# 3*1debfc3dSmrg# Copyright (C) 2004, 2005, 2007, 2008 Free Software Foundation, Inc. 4*1debfc3dSmrg# Written by Gary V. Vaughan, 2004 5*1debfc3dSmrg# 6*1debfc3dSmrg# This file is free software; the Free Software Foundation gives 7*1debfc3dSmrg# unlimited permission to copy and/or distribute it, with or without 8*1debfc3dSmrg# modifications, as long as this notice is preserved. 9*1debfc3dSmrg 10*1debfc3dSmrg# serial 6 ltsugar.m4 11*1debfc3dSmrg 12*1debfc3dSmrg# This is to help aclocal find these macros, as it can't see m4_define. 13*1debfc3dSmrgAC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])]) 14*1debfc3dSmrg 15*1debfc3dSmrg 16*1debfc3dSmrg# lt_join(SEP, ARG1, [ARG2...]) 17*1debfc3dSmrg# ----------------------------- 18*1debfc3dSmrg# Produce ARG1SEPARG2...SEPARGn, omitting [] arguments and their 19*1debfc3dSmrg# associated separator. 20*1debfc3dSmrg# Needed until we can rely on m4_join from Autoconf 2.62, since all earlier 21*1debfc3dSmrg# versions in m4sugar had bugs. 22*1debfc3dSmrgm4_define([lt_join], 23*1debfc3dSmrg[m4_if([$#], [1], [], 24*1debfc3dSmrg [$#], [2], [[$2]], 25*1debfc3dSmrg [m4_if([$2], [], [], [[$2]_])$0([$1], m4_shift(m4_shift($@)))])]) 26*1debfc3dSmrgm4_define([_lt_join], 27*1debfc3dSmrg[m4_if([$#$2], [2], [], 28*1debfc3dSmrg [m4_if([$2], [], [], [[$1$2]])$0([$1], m4_shift(m4_shift($@)))])]) 29*1debfc3dSmrg 30*1debfc3dSmrg 31*1debfc3dSmrg# lt_car(LIST) 32*1debfc3dSmrg# lt_cdr(LIST) 33*1debfc3dSmrg# ------------ 34*1debfc3dSmrg# Manipulate m4 lists. 35*1debfc3dSmrg# These macros are necessary as long as will still need to support 36*1debfc3dSmrg# Autoconf-2.59 which quotes differently. 37*1debfc3dSmrgm4_define([lt_car], [[$1]]) 38*1debfc3dSmrgm4_define([lt_cdr], 39*1debfc3dSmrg[m4_if([$#], 0, [m4_fatal([$0: cannot be called without arguments])], 40*1debfc3dSmrg [$#], 1, [], 41*1debfc3dSmrg [m4_dquote(m4_shift($@))])]) 42*1debfc3dSmrgm4_define([lt_unquote], $1) 43*1debfc3dSmrg 44*1debfc3dSmrg 45*1debfc3dSmrg# lt_append(MACRO-NAME, STRING, [SEPARATOR]) 46*1debfc3dSmrg# ------------------------------------------ 47*1debfc3dSmrg# Redefine MACRO-NAME to hold its former content plus `SEPARATOR'`STRING'. 48*1debfc3dSmrg# Note that neither SEPARATOR nor STRING are expanded; they are appended 49*1debfc3dSmrg# to MACRO-NAME as is (leaving the expansion for when MACRO-NAME is invoked). 50*1debfc3dSmrg# No SEPARATOR is output if MACRO-NAME was previously undefined (different 51*1debfc3dSmrg# than defined and empty). 52*1debfc3dSmrg# 53*1debfc3dSmrg# This macro is needed until we can rely on Autoconf 2.62, since earlier 54*1debfc3dSmrg# versions of m4sugar mistakenly expanded SEPARATOR but not STRING. 55*1debfc3dSmrgm4_define([lt_append], 56*1debfc3dSmrg[m4_define([$1], 57*1debfc3dSmrg m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])]) 58*1debfc3dSmrg 59*1debfc3dSmrg 60*1debfc3dSmrg 61*1debfc3dSmrg# lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...]) 62*1debfc3dSmrg# ---------------------------------------------------------- 63*1debfc3dSmrg# Produce a SEP delimited list of all paired combinations of elements of 64*1debfc3dSmrg# PREFIX-LIST with SUFFIX1 through SUFFIXn. Each element of the list 65*1debfc3dSmrg# has the form PREFIXmINFIXSUFFIXn. 66*1debfc3dSmrg# Needed until we can rely on m4_combine added in Autoconf 2.62. 67*1debfc3dSmrgm4_define([lt_combine], 68*1debfc3dSmrg[m4_if(m4_eval([$# > 3]), [1], 69*1debfc3dSmrg [m4_pushdef([_Lt_sep], [m4_define([_Lt_sep], m4_defn([lt_car]))])]]dnl 70*1debfc3dSmrg[[m4_foreach([_Lt_prefix], [$2], 71*1debfc3dSmrg [m4_foreach([_Lt_suffix], 72*1debfc3dSmrg ]m4_dquote(m4_dquote(m4_shift(m4_shift(m4_shift($@)))))[, 73*1debfc3dSmrg [_Lt_sep([$1])[]m4_defn([_Lt_prefix])[$3]m4_defn([_Lt_suffix])])])])]) 74*1debfc3dSmrg 75*1debfc3dSmrg 76*1debfc3dSmrg# lt_if_append_uniq(MACRO-NAME, VARNAME, [SEPARATOR], [UNIQ], [NOT-UNIQ]) 77*1debfc3dSmrg# ----------------------------------------------------------------------- 78*1debfc3dSmrg# Iff MACRO-NAME does not yet contain VARNAME, then append it (delimited 79*1debfc3dSmrg# by SEPARATOR if supplied) and expand UNIQ, else NOT-UNIQ. 80*1debfc3dSmrgm4_define([lt_if_append_uniq], 81*1debfc3dSmrg[m4_ifdef([$1], 82*1debfc3dSmrg [m4_if(m4_index([$3]m4_defn([$1])[$3], [$3$2$3]), [-1], 83*1debfc3dSmrg [lt_append([$1], [$2], [$3])$4], 84*1debfc3dSmrg [$5])], 85*1debfc3dSmrg [lt_append([$1], [$2], [$3])$4])]) 86*1debfc3dSmrg 87*1debfc3dSmrg 88*1debfc3dSmrg# lt_dict_add(DICT, KEY, VALUE) 89*1debfc3dSmrg# ----------------------------- 90*1debfc3dSmrgm4_define([lt_dict_add], 91*1debfc3dSmrg[m4_define([$1($2)], [$3])]) 92*1debfc3dSmrg 93*1debfc3dSmrg 94*1debfc3dSmrg# lt_dict_add_subkey(DICT, KEY, SUBKEY, VALUE) 95*1debfc3dSmrg# -------------------------------------------- 96*1debfc3dSmrgm4_define([lt_dict_add_subkey], 97*1debfc3dSmrg[m4_define([$1($2:$3)], [$4])]) 98*1debfc3dSmrg 99*1debfc3dSmrg 100*1debfc3dSmrg# lt_dict_fetch(DICT, KEY, [SUBKEY]) 101*1debfc3dSmrg# ---------------------------------- 102*1debfc3dSmrgm4_define([lt_dict_fetch], 103*1debfc3dSmrg[m4_ifval([$3], 104*1debfc3dSmrg m4_ifdef([$1($2:$3)], [m4_defn([$1($2:$3)])]), 105*1debfc3dSmrg m4_ifdef([$1($2)], [m4_defn([$1($2)])]))]) 106*1debfc3dSmrg 107*1debfc3dSmrg 108*1debfc3dSmrg# lt_if_dict_fetch(DICT, KEY, [SUBKEY], VALUE, IF-TRUE, [IF-FALSE]) 109*1debfc3dSmrg# ----------------------------------------------------------------- 110*1debfc3dSmrgm4_define([lt_if_dict_fetch], 111*1debfc3dSmrg[m4_if(lt_dict_fetch([$1], [$2], [$3]), [$4], 112*1debfc3dSmrg [$5], 113*1debfc3dSmrg [$6])]) 114*1debfc3dSmrg 115*1debfc3dSmrg 116*1debfc3dSmrg# lt_dict_filter(DICT, [SUBKEY], VALUE, [SEPARATOR], KEY, [...]) 117*1debfc3dSmrg# -------------------------------------------------------------- 118*1debfc3dSmrgm4_define([lt_dict_filter], 119*1debfc3dSmrg[m4_if([$5], [], [], 120*1debfc3dSmrg [lt_join(m4_quote(m4_default([$4], [[, ]])), 121*1debfc3dSmrg lt_unquote(m4_split(m4_normalize(m4_foreach(_Lt_key, lt_car([m4_shiftn(4, $@)]), 122*1debfc3dSmrg [lt_if_dict_fetch([$1], _Lt_key, [$2], [$3], [_Lt_key ])])))))])[]dnl 123*1debfc3dSmrg]) 124