# Make the TAGS files. # Copyright (C) 1992, 1994, 1995 Free Software Foundation, Inc. # This file is part of the GNU C Library. # The GNU C Library is free software; you can redistribute it and/or # modify it under the terms of the GNU Library General Public License # as published by the Free Software Foundation; either version 2 of # the License, or (at your option) any later version. # The GNU C Library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Library General Public License for more details. # You should have received a copy of the GNU Library General Public # License along with the GNU C Library; see the file COPYING.LIB. If # not, write to the Free Software Foundation, Inc., 675 Mass Ave, # Cambridge, MA 02139, USA. # Make this the default goal. TAGS: ifdef subdir .. := ../ endif include $(..)Makeconfig ifndef tags_sources ifeq ($(subdir),ctype) # In most cases, we want the C source files to come before # the header files so tags for optimizing #define's in the # headers won't be put in the tags files, but for ctype, # the functions are just backup for the #define's in the header. tags_sources = $(all-headers) $(all-sources) $(all-dist) else # Not ctype. tags_sources = $(all-sources) $(all-headers) $(all-dist) endif # ctype endif # No tags_sources sysdep-dirs := $(addprefix $(sysdep_dir)/,$(sysdirs)) ifndef sysdep_dirs # Find all sysdep directories. sysdep_dirs := $(shell find $(..)sysdeps -type d \ ! -name RCS ! -name CVS -print) endif # Find all sysdep dirs there are, but putting the ones # we are configured to use first and preserving their order. all-dirs := $(objdir) \ $(sysdep-dirs) \ $(source_dirs) \ $(filter-out $(sysdep-dirs),$(sysdep_dirs)) vpath %.h $(all-dirs) vpath %.c $(all-dirs) vpath %.S $(all-dirs) vpath %.s $(all-dirs) # Find all the subdirs there are, but putting the ones # we are configured to use first and preserving their order. ifndef subdir subdirs := $(subdirs) \ $(filter-out $(subdirs),\ $(shell sed -e 's/\#.*$$//' \ $(wildcard $(addsuffix /Subdirs,\ $(all-dirs)))\ /dev/null)) all-dist = $(foreach Dist,$(wildcard $(all-dirs:%=%/Dist)),\ $(addprefix $(Dist:%/Dist=%)/,\ $(filter %.c %.h %.S %.s,\ $(shell cat $(Dist))))) tags_sources = $(all-sources) $(all-headers) $(all-dist) else all-dist = $(distribute) endif sources += $(filter %.c %.s %.S,$(all-dist)) headers += $(filter %.h,$(all-dist)) all-dist := $(filter-out %.h %.c %.s %.S,$(all-dist)) # All different versions of $(sources), preserving the configured sysdep # directory order. all-sources = $(shell find $(all-dirs) -maxdepth 1 \( -name fnord \ $(foreach file,$(sort $(sources) $(sources:.c=.S) \ $(sources:.c=.s)),\ -o -name $(file)) \ \) -print) all-headers = $(shell find $(all-dirs) -maxdepth 1 \( -name fnord \ $(foreach file,$(headers),-o -name $(file)) \ \) -print) tags_sources := $(strip $(tags_sources)) TAGS: $(tags_sources) ifdef subdir ifdef tags_sources $(ETAGS) -o $@ $^ else # No sources. Create a dummy file. touch $@ endif # tags_sources else # parent TAGS: subdir_TAGS # Note that this uses the -i switch, and thus requires v19 etags. $(ETAGS) -o $@ \ $(subdirs:%=-i %/TAGS) \ $(filter-out subdir_TAGS,$^) .PHONY: subdir_TAGS $(subdirs:%=%/TAGS) subdir_TAGS: $(subdirs:%=%/TAGS) $(subdirs:%=%/TAGS): $(MAKE) -C $(@D) no_deps=t $(@F) endif # subdir