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41bdb6e20c
2001-07-06 Paul Eggert <eggert@twinsun.com> * manual/argp.texi: Remove ignored LGPL copyright notice; it's not appropriate for documentation anyway. * manual/libc-texinfo.sh: "Library General Public License" -> "Lesser General Public License". 2001-07-06 Andreas Jaeger <aj@suse.de> * All files under GPL/LGPL version 2: Place under LGPL version 2.1.
52 lines
1.9 KiB
Makefile
52 lines
1.9 KiB
Makefile
# Copyright (C) 1991, 1992, 1997 Free Software Foundation, Inc.
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# This file is part of the GNU C Library.
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# The GNU C Library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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# The GNU C Library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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# You should have received a copy of the GNU Lesser General Public
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# License along with the GNU C Library; if not, write to the Free
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# Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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# 02111-1307 USA.
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ifeq ($(subdir),math)
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sysdep_routines := $(sysdep_routines) switch
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# Find all the sources that have 68881 versions.
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+68881-sources := \
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$(notdir $(wildcard $(addprefix $(filter %/fpu,$(sysdirs)),$(sources))))
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# Sysdep directories other than fpu and fpu/switch (this one).
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+non68881-dirs := $(filter-out %/fpu %/fpu/switch,$(+sysdep_dirs))
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# Get a non-68881 version of the target.
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+non68881-version = $(firstword $(wildcard $(addsuffix /$@,$(+non68881-dirs))))
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# Directory containing 68881 sources.
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+68881-dir := $(filter %/fpu,$(+sysdep_dirs))
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# For all the files that have 68881 versions and don't exist already in
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# the source directory (math), automatically make ones that switch between
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# 68881 and soft versions.
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$(addprefix $(objpfx), \
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$(filter-out $(wildcard $(+68881-sources)),$(+68881-sources))):
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(echo '#include <68881-sw.h>' ;\
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echo '#define $* __$*_68881' ;\
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echo '#include <$(+68881-dir)/$@>' ;\
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echo '#undef $*' ;\
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echo '#define $* __$*_soft' ;\
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echo '#include <$(non68881-version)>' ;\
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echo '#undef $*' ;\
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echo 'switching_function($*);') > $@-tmp
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mv $@-tmp $@
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endif
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