63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews# ltsugar.m4 -- libtool m4 base layer. -*-Autoconf-*-
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews# Copyright (C) 2004, 2005, 2007, 2008 Free Software Foundation, Inc.
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews# Written by Gary V. Vaughan, 2004
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews# This file is free software; the Free Software Foundation gives
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews# unlimited permission to copy and/or distribute it, with or without
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews# modifications, as long as this notice is preserved.
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews# This is to help aclocal find these macros, as it can't see m4_define.
63dd46733010bb9622810faa17d88c3e3c28b730Mark AndrewsAC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])])
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews# lt_join(SEP, ARG1, [ARG2...])
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews# -----------------------------
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews# Produce ARG1SEPARG2...SEPARGn, omitting [] arguments and their
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews# associated separator.
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews# Needed until we can rely on m4_join from Autoconf 2.62, since all earlier
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews# versions in m4sugar had bugs.
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrewsm4_define([lt_join],
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews[m4_if([$#], [1], [],
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews [$#], [2], [[$2]],
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews [m4_if([$2], [], [], [[$2]_])$0([$1], m4_shift(m4_shift($@)))])])
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrewsm4_define([_lt_join],
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews[m4_if([$#$2], [2], [],
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews [m4_if([$2], [], [], [[$1$2]])$0([$1], m4_shift(m4_shift($@)))])])
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews# lt_car(LIST)
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews# lt_cdr(LIST)
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews# ------------
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews# Manipulate m4 lists.
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews# These macros are necessary as long as will still need to support
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews# Autoconf-2.59 which quotes differently.
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrewsm4_define([lt_car], [[$1]])
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrewsm4_define([lt_cdr],
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews[m4_if([$#], 0, [m4_fatal([$0: cannot be called without arguments])],
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews [$#], 1, [],
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews [m4_dquote(m4_shift($@))])])
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrewsm4_define([lt_unquote], $1)
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews# lt_append(MACRO-NAME, STRING, [SEPARATOR])
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews# ------------------------------------------
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews# Redefine MACRO-NAME to hold its former content plus `SEPARATOR'`STRING'.
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews# Note that neither SEPARATOR nor STRING are expanded; they are appended
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews# to MACRO-NAME as is (leaving the expansion for when MACRO-NAME is invoked).
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews# No SEPARATOR is output if MACRO-NAME was previously undefined (different
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews# than defined and empty).
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews# This macro is needed until we can rely on Autoconf 2.62, since earlier
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews# versions of m4sugar mistakenly expanded SEPARATOR but not STRING.
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrewsm4_define([lt_append],
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews[m4_define([$1],
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])])
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews# lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...])
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews# ----------------------------------------------------------
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews# Produce a SEP delimited list of all paired combinations of elements of
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews# PREFIX-LIST with SUFFIX1 through SUFFIXn. Each element of the list
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews# has the form PREFIXmINFIXSUFFIXn.
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews# Needed until we can rely on m4_combine added in Autoconf 2.62.
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrewsm4_define([lt_combine],
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews[m4_if(m4_eval([$# > 3]), [1],
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews [m4_pushdef([_Lt_sep], [m4_define([_Lt_sep], m4_defn([lt_car]))])]]dnl
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews[[m4_foreach([_Lt_prefix], [$2],
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews [m4_foreach([_Lt_suffix],
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews ]m4_dquote(m4_dquote(m4_shift(m4_shift(m4_shift($@)))))[,
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews [_Lt_sep([$1])[]m4_defn([_Lt_prefix])[$3]m4_defn([_Lt_suffix])])])])])
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews# lt_if_append_uniq(MACRO-NAME, VARNAME, [SEPARATOR], [UNIQ], [NOT-UNIQ])
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews# -----------------------------------------------------------------------
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews# Iff MACRO-NAME does not yet contain VARNAME, then append it (delimited
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews# by SEPARATOR if supplied) and expand UNIQ, else NOT-UNIQ.
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrewsm4_define([lt_if_append_uniq],
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews[m4_ifdef([$1],
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews [m4_if(m4_index([$3]m4_defn([$1])[$3], [$3$2$3]), [-1],
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews [lt_append([$1], [$2], [$3])$4],
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews [lt_append([$1], [$2], [$3])$4])])
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews# lt_dict_add(DICT, KEY, VALUE)
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews# -----------------------------
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrewsm4_define([lt_dict_add],
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews[m4_define([$1($2)], [$3])])
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews# lt_dict_add_subkey(DICT, KEY, SUBKEY, VALUE)
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews# --------------------------------------------
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrewsm4_define([lt_dict_add_subkey],
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews[m4_define([$1($2:$3)], [$4])])
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews# lt_dict_fetch(DICT, KEY, [SUBKEY])
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews# ----------------------------------
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrewsm4_define([lt_dict_fetch],
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews[m4_ifval([$3],
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews m4_ifdef([$1($2:$3)], [m4_defn([$1($2:$3)])]),
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews m4_ifdef([$1($2)], [m4_defn([$1($2)])]))])
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews# lt_if_dict_fetch(DICT, KEY, [SUBKEY], VALUE, IF-TRUE, [IF-FALSE])
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews# -----------------------------------------------------------------
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrewsm4_define([lt_if_dict_fetch],
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews[m4_if(lt_dict_fetch([$1], [$2], [$3]), [$4],
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews# lt_dict_filter(DICT, [SUBKEY], VALUE, [SEPARATOR], KEY, [...])
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews# --------------------------------------------------------------
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrewsm4_define([lt_dict_filter],
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews[m4_if([$5], [], [],
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews [lt_join(m4_quote(m4_default([$4], [[, ]])),
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews lt_unquote(m4_split(m4_normalize(m4_foreach(_Lt_key, lt_car([m4_shiftn(4, $@)]),
63dd46733010bb9622810faa17d88c3e3c28b730Mark Andrews [lt_if_dict_fetch([$1], _Lt_key, [$2], [$3], [_Lt_key ])])))))])[]dnl