libtool/m4/ltsugar.m4
Gary V. Vaughan 9a7071e668 maint: update copyright notices to include 2013.
* gnulib/: Update to latest upstream.
* AUTHORS, ChangeLog.old, HACKING, Makefile.am, NEWS, README,
THANKS, TODO, bootstrap, bootstrap.conf,
build-aux/edit-readme-alpha, build-aux/ltmain.in, cfg.mk,
configure.ac, doc/libtool.texi, gl/build-aux/bootstrap.in,
gl/build-aux/extract-trace, gl/build-aux/funclib.sh,
gl/build-aux/inline-source, gl/build-aux/options-parser,
libltdl/README, libltdl/argz.c, libltdl/argz_.h,
libltdl/configure.ac, libltdl/libltdl/lt__alloc.h,
libltdl/libltdl/lt__dirent.h, libltdl/libltdl/lt__glibc.h,
libltdl/libltdl/lt__private.h, libltdl/libltdl/lt__strl.h,
libltdl/libltdl/lt_dlloader.h, libltdl/libltdl/lt_error.h,
libltdl/libltdl/lt_system.h, libltdl/libltdl/slist.h,
libltdl/loaders/dld_link.c, libltdl/loaders/dlopen.c,
libltdl/loaders/dyld.c, libltdl/loaders/load_add_on.c,
libltdl/loaders/loadlibrary.c, libltdl/loaders/preopen.c,
libltdl/loaders/shl_load.c, libltdl/lt__alloc.c,
libltdl/lt__dirent.c, libltdl/lt__strl.c, libltdl/lt_dlloader.c,
libltdl/lt_error.c, libltdl/ltdl.c, libltdl/ltdl.h,
libltdl/ltdl.mk, libltdl/slist.c, libtoolize.in, m4/argz.m4,
m4/autobuild.m4, m4/libtool.m4, m4/ltdl.m4, m4/ltoptions.m4,
m4/ltsugar.m4, m4/ltversion.in, m4/lt~obsolete.m4,
tests/am-subdir.at, tests/archive-in-archive.at,
tests/bindir.at, tests/cdemo.at, tests/cmdline_wrap.at,
tests/configure-iface.at, tests/convenience.at, tests/ctor.at,
tests/cwrapper.at, tests/darwin.at, tests/demo.at,
tests/depdemo.at, tests/deplib-in-subdir.at,
tests/deplibs-ident.at, tests/deplibs-mingw.at,
tests/destdir.at, tests/dlloader-api.at,
tests/dumpbin-symbols.at, tests/duplicate_conv.at,
tests/duplicate_deps.at, tests/duplicate_members.at,
tests/early-libtool.at, tests/exceptions.at,
tests/execute-mode.at, tests/exeext.at, tests/export.at,
tests/f77demo.at, tests/fail.at, tests/fcdemo.at,
tests/flags.at, tests/help.at, tests/indirect_deps.at,
tests/infer-tag.at, tests/inherited_flags.at, tests/install.at,
tests/lalib-syntax.at, tests/libtool.at, tests/libtoolize.at,
tests/link-order.at, tests/link-order2.at, tests/loadlibrary.at,
tests/localization.at, tests/lt_dladvise.at, tests/lt_dlexit.at,
tests/lt_dlopen.at, tests/lt_dlopen_a.at, tests/lt_dlopenext.at,
tests/ltdl-api.at, tests/ltdl-libdir.at, tests/mdemo.at,
tests/need_lib_prefix.at, tests/no-executables.at,
tests/nocase.at, tests/nonrecursive.at, tests/old-ltdl-iface.at,
tests/old-m4-iface.at, tests/pic_flag.at, tests/recursive.at,
tests/resident.at, tests/runpath-in-lalib.at,
tests/search-path.at, tests/shlibpath.at, tests/slist.at,
tests/standalone.at, tests/static.at, tests/stresstest.at,
tests/subproject.at, tests/sysroot.at, tests/tagdemo.at,
tests/template.at, tests/testsuite.at, tests/versioning.at,
tests/with-pic.at: Bump copyright year.

Signed-off-by: Gary V. Vaughan <gary@gnu.org>
2013-01-02 00:34:06 +07:00

125 lines
4.3 KiB
Plaintext

# ltsugar.m4 -- libtool m4 base layer. -*-Autoconf-*-
#
# Copyright (C) 2004-2005, 2007-2008, 2011-2013 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
])