1f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson# ltsugar.m4 -- libtool m4 base layer. -*-Autoconf-*- 2f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson# 3f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson# Copyright (C) 2004, 2005, 2007, 2008 Free Software Foundation, Inc. 4f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson# Written by Gary V. Vaughan, 2004 5f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson# 6f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson# This file is free software; the Free Software Foundation gives 7f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson# unlimited permission to copy and/or distribute it, with or without 8f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson# modifications, as long as this notice is preserved. 9f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson 10f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson# serial 6 ltsugar.m4 11f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson 12f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson# This is to help aclocal find these macros, as it can't see m4_define. 13f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian HodsonAC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])]) 14f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson 15f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson 16f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson# lt_join(SEP, ARG1, [ARG2...]) 17f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson# ----------------------------- 18f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson# Produce ARG1SEPARG2...SEPARGn, omitting [] arguments and their 19f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson# associated separator. 20f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson# Needed until we can rely on m4_join from Autoconf 2.62, since all earlier 21f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson# versions in m4sugar had bugs. 22f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodsonm4_define([lt_join], 23f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson[m4_if([$#], [1], [], 24f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson [$#], [2], [[$2]], 25f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson [m4_if([$2], [], [], [[$2]_])$0([$1], m4_shift(m4_shift($@)))])]) 26f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodsonm4_define([_lt_join], 27f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson[m4_if([$#$2], [2], [], 28f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson [m4_if([$2], [], [], [[$1$2]])$0([$1], m4_shift(m4_shift($@)))])]) 29f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson 30f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson 31f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson# lt_car(LIST) 32f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson# lt_cdr(LIST) 33f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson# ------------ 34f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson# Manipulate m4 lists. 35f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson# These macros are necessary as long as will still need to support 36f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson# Autoconf-2.59 which quotes differently. 37f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodsonm4_define([lt_car], [[$1]]) 38f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodsonm4_define([lt_cdr], 39f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson[m4_if([$#], 0, [m4_fatal([$0: cannot be called without arguments])], 40f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson [$#], 1, [], 41f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson [m4_dquote(m4_shift($@))])]) 42f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodsonm4_define([lt_unquote], $1) 43f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson 44f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson 45f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson# lt_append(MACRO-NAME, STRING, [SEPARATOR]) 46f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson# ------------------------------------------ 47f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson# Redefine MACRO-NAME to hold its former content plus `SEPARATOR'`STRING'. 48f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson# Note that neither SEPARATOR nor STRING are expanded; they are appended 49f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson# to MACRO-NAME as is (leaving the expansion for when MACRO-NAME is invoked). 50f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson# No SEPARATOR is output if MACRO-NAME was previously undefined (different 51f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson# than defined and empty). 52f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson# 53f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson# This macro is needed until we can rely on Autoconf 2.62, since earlier 54f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson# versions of m4sugar mistakenly expanded SEPARATOR but not STRING. 55f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodsonm4_define([lt_append], 56f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson[m4_define([$1], 57f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])]) 58f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson 59f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson 60f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson 61f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson# lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...]) 62f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson# ---------------------------------------------------------- 63f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson# Produce a SEP delimited list of all paired combinations of elements of 64f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson# PREFIX-LIST with SUFFIX1 through SUFFIXn. Each element of the list 65f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson# has the form PREFIXmINFIXSUFFIXn. 66f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson# Needed until we can rely on m4_combine added in Autoconf 2.62. 67f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodsonm4_define([lt_combine], 68f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson[m4_if(m4_eval([$# > 3]), [1], 69f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson [m4_pushdef([_Lt_sep], [m4_define([_Lt_sep], m4_defn([lt_car]))])]]dnl 70f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson[[m4_foreach([_Lt_prefix], [$2], 71f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson [m4_foreach([_Lt_suffix], 72f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson ]m4_dquote(m4_dquote(m4_shift(m4_shift(m4_shift($@)))))[, 73f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson [_Lt_sep([$1])[]m4_defn([_Lt_prefix])[$3]m4_defn([_Lt_suffix])])])])]) 74f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson 75f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson 76f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson# lt_if_append_uniq(MACRO-NAME, VARNAME, [SEPARATOR], [UNIQ], [NOT-UNIQ]) 77f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson# ----------------------------------------------------------------------- 78f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson# Iff MACRO-NAME does not yet contain VARNAME, then append it (delimited 79f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson# by SEPARATOR if supplied) and expand UNIQ, else NOT-UNIQ. 80f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodsonm4_define([lt_if_append_uniq], 81f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson[m4_ifdef([$1], 82f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson [m4_if(m4_index([$3]m4_defn([$1])[$3], [$3$2$3]), [-1], 83f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson [lt_append([$1], [$2], [$3])$4], 84f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson [$5])], 85f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson [lt_append([$1], [$2], [$3])$4])]) 86f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson 87f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson 88f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson# lt_dict_add(DICT, KEY, VALUE) 89f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson# ----------------------------- 90f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodsonm4_define([lt_dict_add], 91f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson[m4_define([$1($2)], [$3])]) 92f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson 93f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson 94f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson# lt_dict_add_subkey(DICT, KEY, SUBKEY, VALUE) 95f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson# -------------------------------------------- 96f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodsonm4_define([lt_dict_add_subkey], 97f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson[m4_define([$1($2:$3)], [$4])]) 98f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson 99f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson 100f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson# lt_dict_fetch(DICT, KEY, [SUBKEY]) 101f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson# ---------------------------------- 102f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodsonm4_define([lt_dict_fetch], 103f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson[m4_ifval([$3], 104f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson m4_ifdef([$1($2:$3)], [m4_defn([$1($2:$3)])]), 105f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson m4_ifdef([$1($2)], [m4_defn([$1($2)])]))]) 106f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson 107f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson 108f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson# lt_if_dict_fetch(DICT, KEY, [SUBKEY], VALUE, IF-TRUE, [IF-FALSE]) 109f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson# ----------------------------------------------------------------- 110f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodsonm4_define([lt_if_dict_fetch], 111f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson[m4_if(lt_dict_fetch([$1], [$2], [$3]), [$4], 112f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson [$5], 113f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson [$6])]) 114f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson 115f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson 116f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson# lt_dict_filter(DICT, [SUBKEY], VALUE, [SEPARATOR], KEY, [...]) 117f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson# -------------------------------------------------------------- 118f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodsonm4_define([lt_dict_filter], 119f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson[m4_if([$5], [], [], 120f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson [lt_join(m4_quote(m4_default([$4], [[, ]])), 121f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson lt_unquote(m4_split(m4_normalize(m4_foreach(_Lt_key, lt_car([m4_shiftn(4, $@)]), 122f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson [lt_if_dict_fetch([$1], _Lt_key, [$2], [$3], [_Lt_key ])])))))])[]dnl 123f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson]) 124