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[makefile] Avoid using ?=

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?= in a Makefile means that that variable can be overridden by the
environment.  This is confusing to users, especially with a generic
name like "ARCH".

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
This commit is contained in:
H. Peter Anvin
2008-09-29 13:48:51 -07:00
committed by Michael Brown
parent 6f87d622e1
commit e8b6077566
2 changed files with 6 additions and 6 deletions
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8
src/Makefile.housekeeping
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@@ -58,16 +58,16 @@ ECHO_E_BIN_ECHO_TAB := $(shell $(ECHO_E_BIN_ECHO) '\t')
ECHO_E_BIN_ECHO_E_TAB := $(shell $(ECHO_E_BIN_ECHO_E) '\t')
ifeq ($(ECHO_E_ECHO_TAB),$(TAB))
ECHO_E ?= $(ECHO_E_ECHO)
ECHO_E := $(ECHO_E_ECHO)
endif
ifeq ($(ECHO_E_ECHO_E_TAB),$(TAB))
ECHO_E ?= $(ECHO_E_ECHO_E)
ECHO_E := $(ECHO_E_ECHO_E)
endif
ifeq ($(ECHO_E_BIN_ECHO_TAB),$(TAB))
ECHO_E ?= $(ECHO_E_BIN_ECHO)
ECHO_E := $(ECHO_E_BIN_ECHO)
endif
ifeq ($(ECHO_E_BIN_ECHO_E_TAB),$(TAB))
ECHO_E ?= $(ECHO_E_BIN_ECHO_E)
ECHO_E := $(ECHO_E_BIN_ECHO_E)
endif
.echocheck :