linux-2.6.8-arm-nonofpu.patch

linux下编译交叉工具链的工具源码

http://www.spinics.net/lists/arm/msg08012.html

To: Dimitry Andric <dimitry@xxxxxxxxxx>
Subject: Re: Kernel Compile Error: use of old and new-style options to set FPU type
From: Marc Britten <maillists@xxxxxxxxxxxxxxxxx>
Date: Wed, 16 Jun 2004 03:03:15 -0400
Cc: linux-arm@xxxxxxxxxxxxxxxxxxxxxx
In-reply-to: <[e-mail]>

Dimitry Andric wrote:

>>Assembler messages:
>>Error: use of old and new-style options to set FPU type
>   Try removing -Wa,-mno-fpu from CFLAGS (and possibly AFLAGS, but I'm
>   not sure, depends on what your compiler generates by default) in
>   arch/arm/Makefile.

Just to let people know, this was successful.

Thanks,

Marc Britten

--------

Fixes error

...
make -f scripts/Makefile.build obj=scripts/mod
  /opt/crosstool/arm-unknown-linux-gnu/gcc-3.4.1-glibc-2.3.3/bin/arm-unknown-linux-gnu-gcc -Wp,-MD,scripts/mod/.empty.o.d -nostdinc -iwithprefix include -D__KERNEL__ -Iinclude  -Wall -Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -fno-omit-frame-pointer -mapcs -mno-sched-prolog -mlittle-endian -mapcs-32   -malignment-traps -msoft-float -Wa,-mno-fpu -Uarm -Os -Wdeclaration-after-statement    -DKBUILD_BASENAME=empty -DKBUILD_MODNAME=empty -c -o scripts/mod/empty.o scripts/mod/empty.c
Assembler messages:
Error: use of old and new-style options to set FPU type
make[2]: *** [scripts/mod/empty.o] Error 1
make[1]: *** [scripts/mod] Error 2
make: *** [scripts] Error 2


--- linux-2.6.8/arch/arm/Makefile.old	2004-09-01 21:27:07.000000000 -0700
+++ linux-2.6.8/arch/arm/Makefile	2004-09-01 21:27:31.000000000 -0700
@@ -55,8 +55,8 @@
 tune-$(CONFIG_CPU_V6)		:=-mtune=strongarm
 
 # Need -Uarm for gcc < 3.x
-CFLAGS		+=-mapcs-32 $(arch-y) $(tune-y) $(call check_gcc,-malignment-traps,-mshort-load-bytes) -msoft-float -Wa,-mno-fpu -Uarm
-AFLAGS		+=-mapcs-32 $(arch-y) $(tune-y) -msoft-float -Wa,-mno-fpu
+CFLAGS		+=-mapcs-32 $(arch-y) $(tune-y) $(call check_gcc,-malignment-traps,-mshort-load-bytes) -msoft-float -Uarm
+AFLAGS		+=-mapcs-32 $(arch-y) $(tune-y) -msoft-float
 
 CHECK		:= $(CHECK) -D__arm__=1