108 lines
3.2 KiB
Plaintext
108 lines
3.2 KiB
Plaintext
# Make the TAGS files.
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# Copyright (C) 1992, 1994 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 Library General Public License
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# as published by the Free Software Foundation; either version 2 of
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# 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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# Library General Public License for more details.
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# You should have received a copy of the GNU Library General Public
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# License along with the GNU C Library; see the file COPYING.LIB. If
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# not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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# Cambridge, MA 02139, USA.
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# Make this the default goal.
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TAGS:
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ifdef subdir
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.. := ../
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endif
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include $(..)Makeconfig
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ifndef tags_sources
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ifeq ($(subdir),ctype)
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# In most cases, we want the C source files to come before
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# the header files so tags for optimizing #define's in the
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# headers won't be put in the tags files, but for ctype,
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# the functions are just backup for the #define's in the header.
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tags_sources = $(all-headers) $(all-sources)
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else # Not ctype.
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tags_sources = $(all-sources) $(all-headers)
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endif # ctype
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endif # No tags_sources
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sysdep-dirs := $(addprefix $(sysdep_dir)/,$(sysdirs))
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ifndef sysdep_dirs
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# Find all sysdep directories.
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sysdep_dirs := $(shell find $(..)sysdeps -type d ! -name RCS -print)
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endif
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# Find all sysdep dirs there are, but putting the ones
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# we are configured to use first and preserving their order.
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all-dirs := $(objdir) \
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$(sysdep-dirs) \
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$(source_dirs) \
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$(filter-out $(sysdep-dirs),$(sysdep_dirs))
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# Find all the subdirs there are, but putting the ones
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# we are configured to use first and preserving their order.
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ifndef subdir
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subdirs := $(subdirs) \
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$(filter-out $(subdirs),\
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$(shell sed -e 's/\#.*$$//' \
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$(wildcard $(addsuffix /Subdirs,\
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$(all-dirs)))\
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/dev/null))
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all-dist = $(foreach Dist,$(wildcard $(all-dirs:%=%/Dist)),\
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$(addprefix $(Dist:%/Dist=%)/,\
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$(filter %.c %.h %.S %.s,\
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$(shell cat $(Dist)))))
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tags_sources = $(all-sources) $(all-headers) $(all-dist)
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endif
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# All different versions of $(sources), preserving the configured sysdep
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# directory order.
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all-sources = $(wildcard $(foreach file,$(sources),\
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$(file) \
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$(foreach dir,$(all-dirs),\
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$(dir)/$(file) \
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$(dir)/$(file:.c=.S) \
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$(dir)/$(file:.c=.s))))
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all-headers = $(wildcard $(foreach file,$(headers),\
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$(file) \
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$(foreach dir,$(all-dirs),$(dir)/$(file))))
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tags_sources := $(strip $(tags_sources))
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TAGS: $(tags_sources)
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ifdef subdir
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ifdef tags_sources
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$(ETAGS) -o $@ $^
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else
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# No sources. Create a dummy file.
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touch $@
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endif # tags_sources
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else # parent
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TAGS: subdir_TAGS
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# Note that this uses the -i switch, and thus requires v19 etags.
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$(ETAGS) -o $@ \
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$(subdirs:%=-i %/TAGS) \
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$(filter-out subdir_TAGS,$^)
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.PHONY: subdir_TAGS $(subdirs:%=%/TAGS)
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subdir_TAGS: $(subdirs:%=%/TAGS)
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$(subdirs:%=%/TAGS):
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$(MAKE) -C $(@D) no_deps=t $(@F)
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endif # subdir
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