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minor clean up

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hathach 2023-01-30 17:21:48 +07:00
parent 9b6ef4fcbc
commit 39eb1ce70e
1 changed files with 10 additions and 6 deletions
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16
tools/top.mk
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@ -6,22 +6,26 @@ endif
# https://stackoverflow.com/questions/714100/os-detecting-makefile/52062069#52062069 # https://stackoverflow.com/questions/714100/os-detecting-makefile/52062069#52062069
ifeq '$(findstring ;,$(PATH))' ';' ifeq '$(findstring ;,$(PATH))' ';'
# PATH contains semicolon - so we're definitely on Windows. # PATH contains semicolon - so we're definitely on Windows.
CMDEXE := 1# makefile shell commands should use syntax for DOS CMD, not unix sh 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. # 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, # 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... # many Windows environments won't have utilities like realpath used below, so...
SHELL := cmd.exe# Force DOS command shell on Windows. # Force DOS command shell on Windows.
SHELL := cmd.exe
endif endif
#$(info top.mk: SHELL=$(SHELL)) #$(info top.mk: SHELL=$(SHELL))
#$(info top.mk: CMDEXE=$(CMDEXE)...) #$(info top.mk: CMDEXE=$(CMDEXE))
# Set TOP to be the path to get from the current directory (where make was # 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 # invoked) to the top of the tree. $(lastword $(MAKEFILE_LIST)) returns
# the name of this makefile relative to where make was invoked. # 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 THIS_MAKEFILE := $(lastword $(MAKEFILE_LIST))
TOP := $(patsubst %/tools/top.mk,%,$(THIS_MAKEFILE))# strip off /tools/top.mk to get for example ../../..
# strip off /tools/top.mk to get for example ../../..
TOP := $(patsubst %/tools/top.mk,%,$(THIS_MAKEFILE))
#$(info top.mk: Initial TOP=$(TOP)) #$(info top.mk: Initial TOP=$(TOP))
# Set TOP to an absolute path, for example /tinyUSB (from ../../..) # Set TOP to an absolute path, for example /tinyUSB (from ../../..)