Created
December 7, 2016 14:46
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Makefile user interaction
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| # Make the clean target work without having to specify anything | |
| ifneq ($(filter clean,$(MAKECMDGOALS)),) | |
| IMPORTANT_PARAMETER=none | |
| endif | |
| ifndef IMPORTANT_PARAMETER | |
| INTERACT_WITH_USER=1 | |
| endif | |
| ifeq ($(INTERACT_WITH_USER),1) | |
| $(info IMPORTANT_PARAMETER not specified, use defaults(none)?) | |
| USER_AGREES := $(shell read -p "Use defaults? [Y/n]: " REPLY ; echo $$REPLY) | |
| ifeq ($(strip $(USER_AGREES)),) | |
| USER_AGREES = y | |
| endif | |
| ifneq ($(filter Y y, $(USER_AGREES)),) | |
| IMPORTANT_PARAMETER ?= none | |
| else | |
| $(error Build stopped!) | |
| endif | |
| endif |
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