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31 lines
941 B
31 lines
941 B
3 years ago
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ifneq ($(lastword a b),b)
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$(error This Makefile require make 3.81 or newer)
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endif
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# Detect whether shell style is windows or not
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# https://stackoverflow.com/questions/714100/os-detecting-makefile/52062069#52062069
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ifeq '$(findstring ;,$(PATH))' ';'
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CMDEXE := 1
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endif
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# Set TOP to be the path to get from the current directory (where make was
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# invoked) to the top of the tree. $(lastword $(MAKEFILE_LIST)) returns
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# the name of this makefile relative to where make was invoked.
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THIS_MAKEFILE := $(lastword $(MAKEFILE_LIST))
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TOP := $(patsubst %/tools/top.mk,%,$(THIS_MAKEFILE))
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ifeq ($(CMDEXE),1)
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TOP := $(subst \,/,$(shell for %%i in ( $(TOP) ) do echo %%~fi))
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else
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TOP := $(shell realpath $(TOP))
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endif
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#$(info Top directory is $(TOP))
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ifeq ($(CMDEXE),1)
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CURRENT_PATH := $(subst $(TOP)/,,$(subst \,/,$(shell echo %CD%)))
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else
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CURRENT_PATH := $(shell realpath --relative-to=$(TOP) `pwd`)
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endif
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#$(info Path from top is $(CURRENT_PATH))
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