diff options
Diffstat (limited to 'arch/sparc64/Makefile')
| -rw-r--r-- | arch/sparc64/Makefile | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/arch/sparc64/Makefile b/arch/sparc64/Makefile index 4f51537e2..868dd6851 100644 --- a/arch/sparc64/Makefile +++ b/arch/sparc64/Makefile @@ -1,4 +1,4 @@ -# $Id: Makefile,v 1.41 1999/12/21 04:02:23 davem Exp $ +# $Id: Makefile,v 1.42 2000/03/09 05:56:43 jj Exp $ # sparc64/Makefile # # Makefile for the architecture dependent flags and dependencies on the @@ -14,8 +14,9 @@ SHELL =/bin/bash CC := sparc64-linux-gcc -IS_EGCS := $(shell if $(CC) -m64 -mcmodel=medlow -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo y; else echo n; fi; ) +NEW_GCC := $(shell if $(CC) -m64 -mcmodel=medlow -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo y; else echo n; fi; ) NEW_GAS := $(shell if $(LD) --version 2>&1 | grep 'elf64_sparc' > /dev/null; then echo y; else echo n; fi) +UNDECLARED_REGS := $(shell if $(CC) -c -x assembler /dev/null -Wa,--help | grep undeclared-regs > /dev/null; then echo y; else echo n; fi; ) ifneq ($(NEW_GAS),y) AS = sparc64-linux-as @@ -28,19 +29,26 @@ AS := $(AS) -64 LD := $(LD) -m elf64_sparc endif ELFTOAOUT = elftoaout +ifneq ($(UNDECLARED_REGS),y) +CC_UNDECL = +else +CC_UNDECL = -Wa,--undeclared-regs +AS := $(AS) --undeclared-regs +endif # # Uncomment the first CFLAGS if you are doing kgdb source level # debugging of the kernel to get the proper debugging information. #CFLAGS := $(CFLAGS) -g -pipe -fcall-used-g5 -fcall-used-g7 -ifneq ($(IS_EGCS),y) +ifneq ($(NEW_GCC),y) CFLAGS := $(CFLAGS) -pipe -mno-fpu -mtune=ultrasparc -mmedlow \ -ffixed-g4 -fcall-used-g5 -fcall-used-g7 -Wno-sign-compare else CFLAGS := $(CFLAGS) -m64 -pipe -mno-fpu -mcpu=ultrasparc -mcmodel=medlow \ - -ffixed-g4 -fcall-used-g5 -fcall-used-g7 -Wno-sign-compare - AFLAGS += -m64 -mcpu=ultrasparc + -ffixed-g4 -fcall-used-g5 -fcall-used-g7 -Wno-sign-compare \ + $(CC_UNDECL) + AFLAGS += -m64 -mcpu=ultrasparc $(CC_UNDECL) endif # Uncomment this to get spinlock/rwlock debugging on SMP. |