linux-kernel - Re: `-mcpu=' is deprecated. Use `-mtune=' or '-march=' instead.

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Message-Id: <E1HEyvD-0007Cj-67@flower>
Date:	Thu, 8 Feb 2007 03:22:03 +0100
From:	Oleg Verych <olecom@...wer.upol.cz>
To:	Trond Myklebust <trond.myklebust@....uio.no>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: `-mcpu=' is deprecated. Use `-mtune=' or '-march=' instead.

> From: Trond Myklebust
> Newsgroups: gmane.linux.kernel
> Subject: `-mcpu=' is deprecated. Use `-mtune=' or '-march=' instead.
> Date: Wed, 07 Feb 2007 17:13:32 -0800
> Archived-At: <http://permalink.gmane.org/gmane.linux.kernel/490940>

Hallo, Trond.

> The latest pull from the git tree spews out a torrent of the above
> warning on a recent Fedora Core 6 machine running gcc-4.1.1. config file
> is attached...

Current situation isn't known, this change may be reverted or not, but
patch to fix this now was already posted and got to Linus.

Here it is for you. Thanks for testing.


---
 scripts/Kbuild.include |   40 ++++++++++++++++++++--------------------
 1 file changed, 20 insertions(+), 20 deletions(-)

Index: linux-2.6.20/scripts/Kbuild.include
===================================================================
--- linux-2.6.20.orig/scripts/Kbuild.include	2007-02-07 22:54:01.814467250 +0100
+++ linux-2.6.20/scripts/Kbuild.include	2007-02-07 22:54:17.099422500 +0100
@@ -58,5 +58,5 @@ endef
 
 # checker-shell
-# Usage: option = $(call checker-shell, $(CC)...-o $$OUT, option-ok, otherwise)
+# Usage: option = $(call checker-shell,$(CC)...-o $$OUT,option-ok,otherwise)
 # Exit code chooses option. $$OUT is safe location for needless output.
 define checker-shell
@@ -75,21 +75,21 @@ endef
 
 # as-option
-# Usage: cflags-y += $(call as-option, -Wa$(comma)-isa=foo,)
-as-option = $(call checker-shell, \
-   $(CC) $(CFLAGS) $(1) -c -xassembler /dev/null -o $$OUT, $(1), $(2))
+# Usage: cflags-y += $(call as-option,-Wa$(comma)-isa=foo,)
+as-option = $(call checker-shell,\
+   $(CC) $(CFLAGS) $(1) -c -xassembler /dev/null -o $$OUT,$(1),$(2))
 
 # as-instr
-# Usage: cflags-y += $(call as-instr, instr, option1, option2)
-as-instr = $(call checker-shell, \
-   printf "$(1)" | $(CC) $(AFLAGS) -c -xassembler -o $$OUT -, $(2), $(3))
+# Usage: cflags-y += $(call as-instr,instr,option1,option2)
+as-instr = $(call checker-shell,\
+   printf "$(1)" | $(CC) $(AFLAGS) -c -xassembler -o $$OUT -,$(2),$(3))
 
 # cc-option
-# Usage: cflags-y += $(call cc-option, -march=winchip-c6, -march=i586)
-cc-option = $(call checker-shell, \
-   $(CC) $(CFLAGS) $(if $(3),$(3),$(1)) -S -xc /dev/null -o $$OUT, $(1), $(2))
+# Usage: cflags-y += $(call cc-option,-march=winchip-c6,-march=i586)
+cc-option = $(call checker-shell,\
+   $(CC) $(CFLAGS) $(if $(3),$(3),$(1)) -S -xc /dev/null -o $$OUT,$(1),$(2))
 
 # cc-option-yn
-# Usage: flag := $(call cc-option-yn, -march=winchip-c6)
-cc-option-yn = $(call cc-option, "y", "n", $(1))
+# Usage: flag := $(call cc-option-yn,-march=winchip-c6)
+cc-option-yn = $(call cc-option,"y","n",$(1))
 
 # cc-option-align
@@ -99,5 +99,5 @@ cc-option-align = $(subst -functions=0,,
 
 # cc-version
-# Usage gcc-ver := $(call cc-version, $(CC))
+# Usage gcc-ver := $(call cc-version,$(CC))
 cc-version = $(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-version.sh $(CC))
 
@@ -108,6 +108,6 @@ cc-ifversion = $(shell [ $(call cc-versi
 # ld-option
 # Usage: ldflags += $(call ld-option, -Wl$(comma)--hash-style=both)
-ld-option = $(call checker-shell, \
-   $(CC) $(1) -nostdlib -xc /dev/null -o $$OUT, $(1), $(2))
+ld-option = $(call checker-shell,\
+   $(CC) $(1) -nostdlib -xc /dev/null -o $$OUT,$(1),$(2))
 
 ######
@@ -121,13 +121,13 @@ build := -f $(if $(KBUILD_SRC),$(srctree
 # add original to the end
 addtree = $(if \
-	$(filter-out -I/%, $(1)), $(patsubst -I%,-I$(srctree)/%,$(1))) $(1)
+	$(filter-out -I/%,$(1)),$(patsubst -I%,-I$(srctree)/%,$(1))) $(1)
 
 # Find all -I options and call addtree
-flags = $(foreach o,$($(1)), \
-	$(if $(filter -I%,$(o)), $(call addtree, $(o)), $(o)))
+flags = $(foreach o,$($(1)),\
+	$(if $(filter -I%,$(o)),$(call addtree,$(o)),$(o)))
 
 # echo command.
 # Short version is used, if $(quiet) equals `quiet_', otherwise full one.
-echo-cmd = $(if $($(quiet)cmd_$(1)), \
+echo-cmd = $(if $($(quiet)cmd_$(1)),\
 	echo '  $(call escsq,$($(quiet)cmd_$(1)))$(echo-why)';)
 
@@ -136,5 +136,5 @@ cmd = @$(echo-cmd) $(cmd_$(1))
 
 # Add $(obj)/ for paths that are not absolute
-objectify = $(foreach o,$(1), $(if $(filter /%,$(o)), $(o), $(obj)/$(o)))
+objectify = $(foreach o,$(1),$(if $(filter /%,$(o)),$(o),$(obj)/$(o)))
 
 ###
-
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