1428d7b3dSmrg# ltsugar.m4 -- libtool m4 base layer. -*-Autoconf-*- 2428d7b3dSmrg# 3428d7b3dSmrg# Copyright (C) 2004, 2005, 2007, 2008 Free Software Foundation, Inc. 4428d7b3dSmrg# Written by Gary V. Vaughan, 2004 5428d7b3dSmrg# 6428d7b3dSmrg# This file is free software; the Free Software Foundation gives 7428d7b3dSmrg# unlimited permission to copy and/or distribute it, with or without 8428d7b3dSmrg# modifications, as long as this notice is preserved. 9428d7b3dSmrg 10428d7b3dSmrg# serial 6 ltsugar.m4 11428d7b3dSmrg 12428d7b3dSmrg# This is to help aclocal find these macros, as it can't see m4_define. 13428d7b3dSmrgAC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])]) 14428d7b3dSmrg 15428d7b3dSmrg 16428d7b3dSmrg# lt_join(SEP, ARG1, [ARG2...]) 17428d7b3dSmrg# ----------------------------- 18428d7b3dSmrg# Produce ARG1SEPARG2...SEPARGn, omitting [] arguments and their 19428d7b3dSmrg# associated separator. 20428d7b3dSmrg# Needed until we can rely on m4_join from Autoconf 2.62, since all earlier 21428d7b3dSmrg# versions in m4sugar had bugs. 22428d7b3dSmrgm4_define([lt_join], 23428d7b3dSmrg[m4_if([$#], [1], [], 24428d7b3dSmrg [$#], [2], [[$2]], 25428d7b3dSmrg [m4_if([$2], [], [], [[$2]_])$0([$1], m4_shift(m4_shift($@)))])]) 26428d7b3dSmrgm4_define([_lt_join], 27428d7b3dSmrg[m4_if([$#$2], [2], [], 28428d7b3dSmrg [m4_if([$2], [], [], [[$1$2]])$0([$1], m4_shift(m4_shift($@)))])]) 29428d7b3dSmrg 30428d7b3dSmrg 31428d7b3dSmrg# lt_car(LIST) 32428d7b3dSmrg# lt_cdr(LIST) 33428d7b3dSmrg# ------------ 34428d7b3dSmrg# Manipulate m4 lists. 35428d7b3dSmrg# These macros are necessary as long as will still need to support 36428d7b3dSmrg# Autoconf-2.59 which quotes differently. 37428d7b3dSmrgm4_define([lt_car], [[$1]]) 38428d7b3dSmrgm4_define([lt_cdr], 39428d7b3dSmrg[m4_if([$#], 0, [m4_fatal([$0: cannot be called without arguments])], 40428d7b3dSmrg [$#], 1, [], 41428d7b3dSmrg [m4_dquote(m4_shift($@))])]) 42428d7b3dSmrgm4_define([lt_unquote], $1) 43428d7b3dSmrg 44428d7b3dSmrg 45428d7b3dSmrg# lt_append(MACRO-NAME, STRING, [SEPARATOR]) 46428d7b3dSmrg# ------------------------------------------ 47428d7b3dSmrg# Redefine MACRO-NAME to hold its former content plus `SEPARATOR'`STRING'. 48428d7b3dSmrg# Note that neither SEPARATOR nor STRING are expanded; they are appended 49428d7b3dSmrg# to MACRO-NAME as is (leaving the expansion for when MACRO-NAME is invoked). 50428d7b3dSmrg# No SEPARATOR is output if MACRO-NAME was previously undefined (different 51428d7b3dSmrg# than defined and empty). 52428d7b3dSmrg# 53428d7b3dSmrg# This macro is needed until we can rely on Autoconf 2.62, since earlier 54428d7b3dSmrg# versions of m4sugar mistakenly expanded SEPARATOR but not STRING. 55428d7b3dSmrgm4_define([lt_append], 56428d7b3dSmrg[m4_define([$1], 57428d7b3dSmrg m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])]) 58428d7b3dSmrg 59428d7b3dSmrg 60428d7b3dSmrg 61428d7b3dSmrg# lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...]) 62428d7b3dSmrg# ---------------------------------------------------------- 63428d7b3dSmrg# Produce a SEP delimited list of all paired combinations of elements of 64428d7b3dSmrg# PREFIX-LIST with SUFFIX1 through SUFFIXn. Each element of the list 65428d7b3dSmrg# has the form PREFIXmINFIXSUFFIXn. 66428d7b3dSmrg# Needed until we can rely on m4_combine added in Autoconf 2.62. 67428d7b3dSmrgm4_define([lt_combine], 68428d7b3dSmrg[m4_if(m4_eval([$# > 3]), [1], 69428d7b3dSmrg [m4_pushdef([_Lt_sep], [m4_define([_Lt_sep], m4_defn([lt_car]))])]]dnl 70428d7b3dSmrg[[m4_foreach([_Lt_prefix], [$2], 71428d7b3dSmrg [m4_foreach([_Lt_suffix], 72428d7b3dSmrg ]m4_dquote(m4_dquote(m4_shift(m4_shift(m4_shift($@)))))[, 73428d7b3dSmrg [_Lt_sep([$1])[]m4_defn([_Lt_prefix])[$3]m4_defn([_Lt_suffix])])])])]) 74428d7b3dSmrg 75428d7b3dSmrg 76428d7b3dSmrg# lt_if_append_uniq(MACRO-NAME, VARNAME, [SEPARATOR], [UNIQ], [NOT-UNIQ]) 77428d7b3dSmrg# ----------------------------------------------------------------------- 78428d7b3dSmrg# Iff MACRO-NAME does not yet contain VARNAME, then append it (delimited 79428d7b3dSmrg# by SEPARATOR if supplied) and expand UNIQ, else NOT-UNIQ. 80428d7b3dSmrgm4_define([lt_if_append_uniq], 81428d7b3dSmrg[m4_ifdef([$1], 82428d7b3dSmrg [m4_if(m4_index([$3]m4_defn([$1])[$3], [$3$2$3]), [-1], 83428d7b3dSmrg [lt_append([$1], [$2], [$3])$4], 84428d7b3dSmrg [$5])], 85428d7b3dSmrg [lt_append([$1], [$2], [$3])$4])]) 86428d7b3dSmrg 87428d7b3dSmrg 88428d7b3dSmrg# lt_dict_add(DICT, KEY, VALUE) 89428d7b3dSmrg# ----------------------------- 90428d7b3dSmrgm4_define([lt_dict_add], 91428d7b3dSmrg[m4_define([$1($2)], [$3])]) 92428d7b3dSmrg 93428d7b3dSmrg 94428d7b3dSmrg# lt_dict_add_subkey(DICT, KEY, SUBKEY, VALUE) 95428d7b3dSmrg# -------------------------------------------- 96428d7b3dSmrgm4_define([lt_dict_add_subkey], 97428d7b3dSmrg[m4_define([$1($2:$3)], [$4])]) 98428d7b3dSmrg 99428d7b3dSmrg 100428d7b3dSmrg# lt_dict_fetch(DICT, KEY, [SUBKEY]) 101428d7b3dSmrg# ---------------------------------- 102428d7b3dSmrgm4_define([lt_dict_fetch], 103428d7b3dSmrg[m4_ifval([$3], 104428d7b3dSmrg m4_ifdef([$1($2:$3)], [m4_defn([$1($2:$3)])]), 105428d7b3dSmrg m4_ifdef([$1($2)], [m4_defn([$1($2)])]))]) 106428d7b3dSmrg 107428d7b3dSmrg 108428d7b3dSmrg# lt_if_dict_fetch(DICT, KEY, [SUBKEY], VALUE, IF-TRUE, [IF-FALSE]) 109428d7b3dSmrg# ----------------------------------------------------------------- 110428d7b3dSmrgm4_define([lt_if_dict_fetch], 111428d7b3dSmrg[m4_if(lt_dict_fetch([$1], [$2], [$3]), [$4], 112428d7b3dSmrg [$5], 113428d7b3dSmrg [$6])]) 114428d7b3dSmrg 115428d7b3dSmrg 116428d7b3dSmrg# lt_dict_filter(DICT, [SUBKEY], VALUE, [SEPARATOR], KEY, [...]) 117428d7b3dSmrg# -------------------------------------------------------------- 118428d7b3dSmrgm4_define([lt_dict_filter], 119428d7b3dSmrg[m4_if([$5], [], [], 120428d7b3dSmrg [lt_join(m4_quote(m4_default([$4], [[, ]])), 121428d7b3dSmrg lt_unquote(m4_split(m4_normalize(m4_foreach(_Lt_key, lt_car([m4_shiftn(4, $@)]), 122428d7b3dSmrg [lt_if_dict_fetch([$1], _Lt_key, [$2], [$3], [_Lt_key ])])))))])[]dnl 123428d7b3dSmrg]) 124