diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/top.mk | 25 |
1 files changed, 18 insertions, 7 deletions
diff --git a/tools/top.mk b/tools/top.mk index 84523a557..cefe9884c 100644 --- a/tools/top.mk +++ b/tools/top.mk @@ -1,30 +1,41 @@ ifneq ($(lastword a b),b) -$(error This Makefile require make 3.81 or newer) +$(error This Makefile requires make 3.81 or newer) endif # Detect whether shell style is windows or not # https://stackoverflow.com/questions/714100/os-detecting-makefile/52062069#52062069 ifeq '$(findstring ;,$(PATH))' ';' -CMDEXE := 1 +# PATH contains semicolon - so we're definitely on Windows. +CMDEXE := 1# makefile shell commands should use syntax for DOS CMD, not unix sh +# Unfortunately, SHELL may point to sh or bash, which can't accept DOS syntax. +# $(info top.mk: SHELL=$(SHELL)) +# We can't just use sh, because while sh and/or bash shell may be available, +# many Windows environments won't have utilities like realpath used below, so... +SHELL := cmd.exe# Force DOS command shell on Windows. endif +#$(info top.mk: SHELL=$(SHELL)) +#$(info top.mk: CMDEXE=$(CMDEXE)...) + # Set TOP to be the path to get from the current directory (where make was # invoked) to the top of the tree. $(lastword $(MAKEFILE_LIST)) returns # the name of this makefile relative to where make was invoked. +THIS_MAKEFILE := $(lastword $(MAKEFILE_LIST))# this makefile is the one most recently appended to the list of makefiles +TOP := $(patsubst %/tools/top.mk,%,$(THIS_MAKEFILE))# strip off /tools/top.mk to get for example ../../.. +#$(info top.mk: Initial TOP=$(TOP)) -THIS_MAKEFILE := $(lastword $(MAKEFILE_LIST)) -TOP := $(patsubst %/tools/top.mk,%,$(THIS_MAKEFILE)) - +# Set TOP to an absolute path, for example /tinyUSB (from ../../..) ifeq ($(CMDEXE),1) TOP := $(subst \,/,$(shell for %%i in ( $(TOP) ) do echo %%~fi)) else TOP := $(shell realpath $(TOP)) endif -#$(info Top directory is $(TOP)) +#$(info top.mk: Top directory is $(TOP)) +# Set CURRENT_PATH to the relative path from TOP to the current directory, ie examples/device/cdc_msc_freertos ifeq ($(CMDEXE),1) CURRENT_PATH := $(subst $(TOP)/,,$(subst \,/,$(shell echo %CD%))) else CURRENT_PATH := $(shell realpath --relative-to=$(TOP) `pwd`) endif -#$(info Path from top is $(CURRENT_PATH)) +#$(info top.mk: Path from top is $(CURRENT_PATH)) |