mirror of
git://git.savannah.gnu.org/libtool.git
synced 2024-12-09 06:40:24 +08:00
3bd31694ac
with the fixed semantics of Autoconf-59c CVS, in order to work with 2.59. (lt_combine): Use it.
114 lines
3.4 KiB
Plaintext
114 lines
3.4 KiB
Plaintext
# ltsugar.m4 -- libtool m4 base layer. -*-Autoconf-*-
|
|
#
|
|
# Copyright (C) 2004, 2005 Free Software Foundation, Inc.
|
|
# Written by Gary V. Vaughan.
|
|
#
|
|
# 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 2
|
|
|
|
# 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.
|
|
m4_define([lt_join],
|
|
[m4_case([$#],
|
|
[0], [m4_fatal([$0: too few arguments: $#])],
|
|
[1], [],
|
|
[2], [[$2]],
|
|
[m4_ifval([$2],
|
|
[m4_ifval([$3],
|
|
[[$2][$1][]$0([$1], m4_shiftn(2, $@))],
|
|
[m4_if([$#], [3],
|
|
[$2],
|
|
[$0([$1], [$2], m4_shiftn(3, $@))])])],
|
|
[$0([$1], m4_shiftn(2, $@))])])[]dnl
|
|
])
|
|
|
|
|
|
# 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($@))])])
|
|
|
|
|
|
# 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.
|
|
m4_define([lt_combine],
|
|
[m4_if([$2], [], [],
|
|
[lt_join(m4_quote(m4_default([$1], [, ])),
|
|
_$0([$1], lt_car($2)[$3], m4_shiftn(3, $@)),
|
|
$0([$1], lt_cdr($2), m4_shiftn(2, $@)))])])
|
|
m4_define([_lt_combine],
|
|
[m4_if([$3], [], [],
|
|
[lt_join(m4_quote(m4_default([$1], [, ])),
|
|
[$2$3],
|
|
$0([$1], [$2], m4_shiftn(3, $@)))])[]dnl
|
|
])
|
|
|
|
|
|
# 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_bmatch($3[]m4_defn([$1])$3, $3[]m4_re_escape([$2])$3,
|
|
[$5],
|
|
[m4_append([$1], [$2], [$3])$4])],
|
|
[m4_append([$1], [$2], [$3])$4])])
|
|
|
|
|
|
# lt_dict_add(DICT, KEY, VALUE)
|
|
# -----------------------------
|
|
m4_define([lt_dict_add],
|
|
[m4_define([$1($2)], [$4])])
|
|
|
|
|
|
# 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], [[, ]])),
|
|
m4_quote(lt_if_dict_fetch([$1], [$5], [$2], [$3], [$5])),
|
|
m4_quote($0([$1], [$2], [$3], [$4], m4_shiftn(5, $@))))])dnl
|
|
])
|