ed8efcf4f1
After deprecating the top-file Makefile, "make tags" cannot easily be used any more. Moving the tags-related rules out to a separate Makefile allows to continue using it using either "make -f tools/Makefile.tags tags", or including it in your own Makefile. R=yangguo@chromium.org CC=ahaas@chromium.org Bug: v8:7346 Change-Id: Id2a8186c392fbca4d144b166d598c9e930defa37 Reviewed-on: https://chromium-review.googlesource.com/881018 Reviewed-by: Yang Guo <yangguo@chromium.org> Commit-Queue: Clemens Hammacher <clemensh@chromium.org> Cr-Commit-Position: refs/heads/master@{#50889}
31 lines
1.5 KiB
Makefile
31 lines
1.5 KiB
Makefile
# Copyright 2018 the V8 project authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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# Variable default definitions. Override them by exporting them in your shell.
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V8_DIR ?= $(realpath $(dir $(lastword $(MAKEFILE_LIST)))/..)
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# Support for the GNU GLOBAL Source Code Tag System.
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$(V8_DIR)/gtags.files: $(wildcard $(addprefix $(V8_DIR)/,$(shell cat $(V8_DIR)/gtags.files 2> /dev/null)))
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@(cd $(V8_DIR) && find include src test -name '*.h' -o -name '*.cc' -o -name '*.c') > $@
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# We need to manually set the stack limit here, to work around bugs in
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# gmake-3.81 and global-5.7.1 on recent 64-bit Linux systems.
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# Using $(wildcard ...) gracefully ignores non-existing files, so that stale
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# gtags.files after switching branches don't cause recipe failures.
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$(V8_DIR)/GPATH $(V8_DIR)/GRTAGS $(V8_DIR)/GSYMS $(V8_DIR)/GTAGS: $(V8_DIR)/gtags.files $(wildcard $(addprefix $(V8_DIR)/,$(shell cat $(V8_DIR)/gtags.files 2> /dev/null)))
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@cd $(V8_DIR) && bash -c 'ulimit -s 10240 && GTAGSFORCECPP=yes gtags -i -q -f $<'
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$(V8_DIR)/tags: $(V8_DIR)/gtags.files $(wildcard $(addprefix $(V8_DIR)/,$(shell cat $(V8_DIR)/gtags.files 2> /dev/null)))
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@(ctags --version | grep 'Exuberant Ctags' >/dev/null) || \
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(echo "Please install Exuberant Ctags (check 'ctags --version')" >&2; false)
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@cd $(V8_DIR) && ctags --fields=+l -L gtags.files
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tags: $(V8_DIR)/tags
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tags.clean:
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@rm -f $(addprefix $(V8_DIR), gtags.files GPATH GRTAGS GSYMS GTAGS tags)
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clean: tags.clean
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