Makefile.sparc64
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- # This material is inherited from the Linux Makefile: arch/sparc64/Makefile:
- #
- # Makefile for the architecture dependent flags and dependencies on the
- # 64-bit Sparc.
- #
- # Copyright (C) 1996,1998 David S. Miller (davem@caip.rutgers.edu)
- # Copyright (C) 1998 Jakub Jelinek (jj@ultra.linux.cz)
- CC := $(shell if gcc -m64 -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo gcc; else echo sparc64-linux-gcc; 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 $(CC) -c -x assembler /dev/null -Wa,--help | grep undeclared-regs > /dev/null; then echo y; else echo n; fi; )
- export NEW_GCC
- ifneq ($(NEW_GAS),y)
- AS = sparc64-linux-as
- LD = sparc64-linux-ld
- NM = sparc64-linux-nm
- AR = sparc64-linux-ar
- RANLIB = sparc64-linux-ranlib
- else
- 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 := $(CFLAGS) -g -pipe -fcall-used-g5 -fcall-used-g7
- ifneq ($(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
- $(CC_UNDECL)
- AFLAGS += -m64 -mcpu=ultrasparc $(CC_UNDECL)
- endif
- # Uncomment this to get spinlock/rwlock debugging on SMP.
- # DEBUG_SPINLOCK = 1
- ifdef CONFIG_SMP
- ifdef DEBUG_SPINLOCK
- CFLAGS += -DSPIN_LOCK_DEBUG
- AFLAGS += -DSPIN_LOCK_DEBUG
- endif
- endif