在執行期取得目前Makefile腳本檔所在的目錄 Absolute Path of current Makefile 含測試結果

範例程式取得Makefile所在絕對路徑 (Absolute Path of current Makefile)

	current_mk_abspathname := $(abspath $(lastword $(MAKEFILE_LIST)))
	current_mk_absdir := $(dir $(current_mk_abspathname))
	all:
	@echo "Makefile absolute pathname: $(current_mk_abspathname)" ; \
	echo "Makefile absolute path: $(current_mk_absdir)"

view raw 01-abspath-mk.mk hosted with ❤ by GitHub

test results on linux

	/build$ make -v
	GNU Make 4.1
	Built for x86_64-pc-linux-gnu
	Copyright (C) 1988-2014 Free Software Foundation, Inc.
	License GPLv3+: GNU GPL version 3 or later
	This is free software: you are free to change and redistribute it.
	There is NO WARRANTY, to the extent permitted by law.
	/build$ lsb_release -a
	No LSB modules are available.
	Distributor ID: Ubuntu
	Description: Ubuntu 16.04.4 LTS
	Release: 16.04
	Codename: xenial
	/build$ make -f 2019-03-21/01-abspath-mk.mk
	Makefile absolute pathname: /build/2019-03-21/01-abspath-mk.mk
	Makefile absolute path: /build/2019-03-21/

view raw test_result_on_linux_01-abspath-mk hosted with ❤ by GitHub

參考

- https://www.systutorials.com/241620/how-to-get-the-full-path-and-directory-of-a-makefile-itself/