1266072Sdes# ltsugar.m4 -- libtool m4 base layer. -*-Autoconf-*- 2266072Sdes# 3266072Sdes# Copyright (C) 2004, 2005, 2007, 2008 Free Software Foundation, Inc. 4266072Sdes# Written by Gary V. Vaughan, 2004 5266072Sdes# 6266072Sdes# This file is free software; the Free Software Foundation gives 7266072Sdes# unlimited permission to copy and/or distribute it, with or without 8266072Sdes# modifications, as long as this notice is preserved. 9266072Sdes 10266072Sdes# serial 6 ltsugar.m4 11266072Sdes 12266072Sdes# This is to help aclocal find these macros, as it can't see m4_define. 13266072SdesAC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])]) 14266072Sdes 15266072Sdes 16266072Sdes# lt_join(SEP, ARG1, [ARG2...]) 17266072Sdes# ----------------------------- 18266072Sdes# Produce ARG1SEPARG2...SEPARGn, omitting [] arguments and their 19266072Sdes# associated separator. 20266072Sdes# Needed until we can rely on m4_join from Autoconf 2.62, since all earlier 21266072Sdes# versions in m4sugar had bugs. 22266072Sdesm4_define([lt_join], 23266072Sdes[m4_if([$#], [1], [], 24266072Sdes [$#], [2], [[$2]], 25266072Sdes [m4_if([$2], [], [], [[$2]_])$0([$1], m4_shift(m4_shift($@)))])]) 26266072Sdesm4_define([_lt_join], 27266072Sdes[m4_if([$#$2], [2], [], 28266072Sdes [m4_if([$2], [], [], [[$1$2]])$0([$1], m4_shift(m4_shift($@)))])]) 29266072Sdes 30266072Sdes 31266072Sdes# lt_car(LIST) 32266072Sdes# lt_cdr(LIST) 33266072Sdes# ------------ 34266072Sdes# Manipulate m4 lists. 35266072Sdes# These macros are necessary as long as will still need to support 36266072Sdes# Autoconf-2.59 which quotes differently. 37266072Sdesm4_define([lt_car], [[$1]]) 38266072Sdesm4_define([lt_cdr], 39266072Sdes[m4_if([$#], 0, [m4_fatal([$0: cannot be called without arguments])], 40266072Sdes [$#], 1, [], 41266072Sdes [m4_dquote(m4_shift($@))])]) 42266072Sdesm4_define([lt_unquote], $1) 43266072Sdes 44266072Sdes 45266072Sdes# lt_append(MACRO-NAME, STRING, [SEPARATOR]) 46266072Sdes# ------------------------------------------ 47266072Sdes# Redefine MACRO-NAME to hold its former content plus `SEPARATOR'`STRING'. 48266072Sdes# Note that neither SEPARATOR nor STRING are expanded; they are appended 49266072Sdes# to MACRO-NAME as is (leaving the expansion for when MACRO-NAME is invoked). 50266072Sdes# No SEPARATOR is output if MACRO-NAME was previously undefined (different 51266072Sdes# than defined and empty). 52266072Sdes# 53266072Sdes# This macro is needed until we can rely on Autoconf 2.62, since earlier 54266072Sdes# versions of m4sugar mistakenly expanded SEPARATOR but not STRING. 55266072Sdesm4_define([lt_append], 56266072Sdes[m4_define([$1], 57266072Sdes m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])]) 58266072Sdes 59266072Sdes 60266072Sdes 61266072Sdes# lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...]) 62266072Sdes# ---------------------------------------------------------- 63266072Sdes# Produce a SEP delimited list of all paired combinations of elements of 64266072Sdes# PREFIX-LIST with SUFFIX1 through SUFFIXn. Each element of the list 65266072Sdes# has the form PREFIXmINFIXSUFFIXn. 66266072Sdes# Needed until we can rely on m4_combine added in Autoconf 2.62. 67266072Sdesm4_define([lt_combine], 68266072Sdes[m4_if(m4_eval([$# > 3]), [1], 69266072Sdes [m4_pushdef([_Lt_sep], [m4_define([_Lt_sep], m4_defn([lt_car]))])]]dnl 70266072Sdes[[m4_foreach([_Lt_prefix], [$2], 71266072Sdes [m4_foreach([_Lt_suffix], 72266072Sdes ]m4_dquote(m4_dquote(m4_shift(m4_shift(m4_shift($@)))))[, 73266072Sdes [_Lt_sep([$1])[]m4_defn([_Lt_prefix])[$3]m4_defn([_Lt_suffix])])])])]) 74266072Sdes 75266072Sdes 76266072Sdes# lt_if_append_uniq(MACRO-NAME, VARNAME, [SEPARATOR], [UNIQ], [NOT-UNIQ]) 77266072Sdes# ----------------------------------------------------------------------- 78266072Sdes# Iff MACRO-NAME does not yet contain VARNAME, then append it (delimited 79266072Sdes# by SEPARATOR if supplied) and expand UNIQ, else NOT-UNIQ. 80266072Sdesm4_define([lt_if_append_uniq], 81266072Sdes[m4_ifdef([$1], 82266072Sdes [m4_if(m4_index([$3]m4_defn([$1])[$3], [$3$2$3]), [-1], 83266072Sdes [lt_append([$1], [$2], [$3])$4], 84266072Sdes [$5])], 85266072Sdes [lt_append([$1], [$2], [$3])$4])]) 86266072Sdes 87266072Sdes 88266072Sdes# lt_dict_add(DICT, KEY, VALUE) 89266072Sdes# ----------------------------- 90266072Sdesm4_define([lt_dict_add], 91266072Sdes[m4_define([$1($2)], [$3])]) 92266072Sdes 93266072Sdes 94266072Sdes# lt_dict_add_subkey(DICT, KEY, SUBKEY, VALUE) 95266072Sdes# -------------------------------------------- 96266072Sdesm4_define([lt_dict_add_subkey], 97266072Sdes[m4_define([$1($2:$3)], [$4])]) 98266072Sdes 99266072Sdes 100266072Sdes# lt_dict_fetch(DICT, KEY, [SUBKEY]) 101266072Sdes# ---------------------------------- 102266072Sdesm4_define([lt_dict_fetch], 103266072Sdes[m4_ifval([$3], 104266072Sdes m4_ifdef([$1($2:$3)], [m4_defn([$1($2:$3)])]), 105266072Sdes m4_ifdef([$1($2)], [m4_defn([$1($2)])]))]) 106266072Sdes 107266072Sdes 108266072Sdes# lt_if_dict_fetch(DICT, KEY, [SUBKEY], VALUE, IF-TRUE, [IF-FALSE]) 109266072Sdes# ----------------------------------------------------------------- 110266072Sdesm4_define([lt_if_dict_fetch], 111266072Sdes[m4_if(lt_dict_fetch([$1], [$2], [$3]), [$4], 112266072Sdes [$5], 113266072Sdes [$6])]) 114266072Sdes 115266072Sdes 116266072Sdes# lt_dict_filter(DICT, [SUBKEY], VALUE, [SEPARATOR], KEY, [...]) 117266072Sdes# -------------------------------------------------------------- 118266072Sdesm4_define([lt_dict_filter], 119266072Sdes[m4_if([$5], [], [], 120266072Sdes [lt_join(m4_quote(m4_default([$4], [[, ]])), 121266072Sdes lt_unquote(m4_split(m4_normalize(m4_foreach(_Lt_key, lt_car([m4_shiftn(4, $@)]), 122266072Sdes [lt_if_dict_fetch([$1], _Lt_key, [$2], [$3], [_Lt_key ])])))))])[]dnl 123266072Sdes]) 124