Created
November 20, 2023 16:40
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Makefile: use arguments in the command line + help command
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TARGETS := $(shell grep -E '^[a-zA-Z0-9 -]+:' $(MAKEFILE_LIST) | sort | awk -F ':.*' '{print $$1}') | |
ARGS = $(wordlist 2, $(words $(MAKECMDGOALS)), $(MAKECMDGOALS)) | |
.DEFAULT_GOAL := help | |
help: # Show this help | |
@grep -E '^[a-zA-Z0-9 -]+:.*#' Makefile | sort | while read -r l; do printf "\033[1;32m$$(echo $$l | cut -f 1 -d':')\033[00m:$$(echo $$l | cut -f 2- -d'#')\n"; done | |
%: # Allow to pass arguments to 'make' commands without errors and show help if the command is not found | |
@if [ -z "$(filter $(firstword $(MAKECMDGOALS)),$(TARGETS))" ]; then \ | |
echo "Help: Unknown command '$(firstword $(MAKECMDGOALS))'"; \ | |
$(MAKE) --no-print-directory help; \ | |
exit 1; \ | |
fi | |
run: # Run anything here | |
@echo "Arguments:" $(ARGS) |
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