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Makefile: add GNU global tags support
GNU Global is another tags engine which is more like cscope in being able to support finding both references and definitions. You will be un-surprised to know it also integrates well with Emacs. The main benefit of integrating it into find-src-path is it takes less time to rebuild the database from scratch when you have a lot of build directories under your source tree. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20210114165730.31607-3-alex.bennee@linaro.org>
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3
.gitignore
vendored
3
.gitignore
vendored
@ -7,6 +7,9 @@
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cscope.*
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tags
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TAGS
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GPATH
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GRTAGS
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GTAGS
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*~
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*.ast_raw
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*.depend_raw
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14
Makefile
14
Makefile
@ -253,6 +253,18 @@ ctags:
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rm -f "$(SRC_PATH)/"tags
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$(find-src-path) -exec ctags -f "$(SRC_PATH)/"tags --append {} +
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.PHONY: gtags
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gtags:
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$(call quiet-command, \
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rm -f "$(SRC_PATH)/"GTAGS; \
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rm -f "$(SRC_PATH)/"GRTAGS; \
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rm -f "$(SRC_PATH)/"GPATH, \
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"GTAGS", "Remove old $@ files")
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$(call quiet-command, \
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(cd $(SRC_PATH) && \
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$(find-src-path) | gtags -f -), \
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"GTAGS", "Re-index $(SRC_PATH)")
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.PHONY: TAGS
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TAGS:
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rm -f "$(SRC_PATH)/"TAGS
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@ -279,7 +291,7 @@ help:
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$(call print-help,all,Build all)
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$(call print-help,dir/file.o,Build specified target only)
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$(call print-help,install,Install QEMU, documentation and tools)
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$(call print-help,ctags/TAGS,Generate tags file for editors)
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$(call print-help,ctags/gtags/TAGS,Generate tags file for editors)
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$(call print-help,cscope,Generate cscope index)
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$(call print-help,sparse,Run sparse on the QEMU source)
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@echo ''
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