tools: make help-*: just grep make rules, case insensitively
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							| @ -48,11 +48,11 @@ $(call def-help-heading, ) | |||||||
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| add-to-help-1: $(call def-help,[help], list documented rules in this makefile ) | add-to-help-1: $(call def-help,[help], list documented rules in this makefile ) | ||||||
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| help-%: $(call def-help,help-SECTION, list documented rules in the given section ) | help-%: $(call def-help,help-SECTION, list documented rules containing some string ) | ||||||
| 	make help 2>&1 | sed -n '/$*/,/: $$/p' | 	make help 2>&1 | grep -i $* | ||||||
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| %-help: $(call def-help,SECTION-help, same but easier to type (can append "-help" to any "make RULE") ) | %-help: $(call def-help,SECTION-help, same but easier to type (can append "-help" to any "make RULE") ) | ||||||
| 	@make help 2>&1 | sed -n '/$*/,/: $$/p' | 	@make help 2>&1 | grep -i $* | ||||||
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| add-to-help-2: $(call def-help,RULE -n, show what RULE would do ) | add-to-help-2: $(call def-help,RULE -n, show what RULE would do ) | ||||||
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