ltsugar.m4
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jeandet@pc-de-jeandet3.LAB-LPP.LOCAL
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r35 | # ltsugar.m4 -- libtool m4 base layer. -*-Autoconf-*- | ||
# | ||||
# Copyright (C) 2004, 2005, 2007, 2008 Free Software Foundation, Inc. | ||||
# Written by Gary V. Vaughan, 2004 | ||||
# | ||||
# This file is free software; the Free Software Foundation gives | ||||
# unlimited permission to copy and/or distribute it, with or without | ||||
# modifications, as long as this notice is preserved. | ||||
# serial 6 ltsugar.m4 | ||||
# This is to help aclocal find these macros, as it can't see m4_define. | ||||
AC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])]) | ||||
# lt_join(SEP, ARG1, [ARG2...]) | ||||
# ----------------------------- | ||||
# Produce ARG1SEPARG2...SEPARGn, omitting [] arguments and their | ||||
# associated separator. | ||||
# Needed until we can rely on m4_join from Autoconf 2.62, since all earlier | ||||
# versions in m4sugar had bugs. | ||||
m4_define([lt_join], | ||||
[m4_if([$#], [1], [], | ||||
[$#], [2], [[$2]], | ||||
[m4_if([$2], [], [], [[$2]_])$0([$1], m4_shift(m4_shift($@)))])]) | ||||
m4_define([_lt_join], | ||||
[m4_if([$#$2], [2], [], | ||||
[m4_if([$2], [], [], [[$1$2]])$0([$1], m4_shift(m4_shift($@)))])]) | ||||
# lt_car(LIST) | ||||
# lt_cdr(LIST) | ||||
# ------------ | ||||
# Manipulate m4 lists. | ||||
# These macros are necessary as long as will still need to support | ||||
# Autoconf-2.59 which quotes differently. | ||||
m4_define([lt_car], [[$1]]) | ||||
m4_define([lt_cdr], | ||||
[m4_if([$#], 0, [m4_fatal([$0: cannot be called without arguments])], | ||||
[$#], 1, [], | ||||
[m4_dquote(m4_shift($@))])]) | ||||
m4_define([lt_unquote], $1) | ||||
# lt_append(MACRO-NAME, STRING, [SEPARATOR]) | ||||
# ------------------------------------------ | ||||
# Redefine MACRO-NAME to hold its former content plus `SEPARATOR'`STRING'. | ||||
# Note that neither SEPARATOR nor STRING are expanded; they are appended | ||||
# to MACRO-NAME as is (leaving the expansion for when MACRO-NAME is invoked). | ||||
# No SEPARATOR is output if MACRO-NAME was previously undefined (different | ||||
# than defined and empty). | ||||
# | ||||
# This macro is needed until we can rely on Autoconf 2.62, since earlier | ||||
# versions of m4sugar mistakenly expanded SEPARATOR but not STRING. | ||||
m4_define([lt_append], | ||||
[m4_define([$1], | ||||
m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])]) | ||||
# lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...]) | ||||
# ---------------------------------------------------------- | ||||
# Produce a SEP delimited list of all paired combinations of elements of | ||||
# PREFIX-LIST with SUFFIX1 through SUFFIXn. Each element of the list | ||||
# has the form PREFIXmINFIXSUFFIXn. | ||||
# Needed until we can rely on m4_combine added in Autoconf 2.62. | ||||
m4_define([lt_combine], | ||||
[m4_if(m4_eval([$# > 3]), [1], | ||||
[m4_pushdef([_Lt_sep], [m4_define([_Lt_sep], m4_defn([lt_car]))])]]dnl | ||||
[[m4_foreach([_Lt_prefix], [$2], | ||||
[m4_foreach([_Lt_suffix], | ||||
]m4_dquote(m4_dquote(m4_shift(m4_shift(m4_shift($@)))))[, | ||||
[_Lt_sep([$1])[]m4_defn([_Lt_prefix])[$3]m4_defn([_Lt_suffix])])])])]) | ||||
# lt_if_append_uniq(MACRO-NAME, VARNAME, [SEPARATOR], [UNIQ], [NOT-UNIQ]) | ||||
# ----------------------------------------------------------------------- | ||||
# Iff MACRO-NAME does not yet contain VARNAME, then append it (delimited | ||||
# by SEPARATOR if supplied) and expand UNIQ, else NOT-UNIQ. | ||||
m4_define([lt_if_append_uniq], | ||||
[m4_ifdef([$1], | ||||
[m4_if(m4_index([$3]m4_defn([$1])[$3], [$3$2$3]), [-1], | ||||
[lt_append([$1], [$2], [$3])$4], | ||||
[$5])], | ||||
[lt_append([$1], [$2], [$3])$4])]) | ||||
# lt_dict_add(DICT, KEY, VALUE) | ||||
# ----------------------------- | ||||
m4_define([lt_dict_add], | ||||
[m4_define([$1($2)], [$3])]) | ||||
# lt_dict_add_subkey(DICT, KEY, SUBKEY, VALUE) | ||||
# -------------------------------------------- | ||||
m4_define([lt_dict_add_subkey], | ||||
[m4_define([$1($2:$3)], [$4])]) | ||||
# lt_dict_fetch(DICT, KEY, [SUBKEY]) | ||||
# ---------------------------------- | ||||
m4_define([lt_dict_fetch], | ||||
[m4_ifval([$3], | ||||
m4_ifdef([$1($2:$3)], [m4_defn([$1($2:$3)])]), | ||||
m4_ifdef([$1($2)], [m4_defn([$1($2)])]))]) | ||||
# lt_if_dict_fetch(DICT, KEY, [SUBKEY], VALUE, IF-TRUE, [IF-FALSE]) | ||||
# ----------------------------------------------------------------- | ||||
m4_define([lt_if_dict_fetch], | ||||
[m4_if(lt_dict_fetch([$1], [$2], [$3]), [$4], | ||||
[$5], | ||||
[$6])]) | ||||
# lt_dict_filter(DICT, [SUBKEY], VALUE, [SEPARATOR], KEY, [...]) | ||||
# -------------------------------------------------------------- | ||||
m4_define([lt_dict_filter], | ||||
[m4_if([$5], [], [], | ||||
[lt_join(m4_quote(m4_default([$4], [[, ]])), | ||||
lt_unquote(m4_split(m4_normalize(m4_foreach(_Lt_key, lt_car([m4_shiftn(4, $@)]), | ||||
[lt_if_dict_fetch([$1], _Lt_key, [$2], [$3], [_Lt_key ])])))))])[]dnl | ||||
]) | ||||