ltsugar.m4
资源名称:vlc-1.0.5.zip [点击查看]
上传用户:kjfoods
上传日期:2020-07-06
资源大小:29949k
文件大小:4k
源码类别:
midi
开发平台:
Unix_Linux
- # 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
- ])