| 1 | --- a/arch/mips/Makefile |
| 2 | +++ b/arch/mips/Makefile |
| 3 | @@ -44,10 +44,10 @@ MAKEBOOT = $(MAKE) -C arch/$(ARCH)/boot |
| 4 | GCCFLAGS := -I $(TOPDIR)/include/asm/gcc |
| 5 | GCCFLAGS += -G 0 -mno-abicalls -fno-pic -pipe |
| 6 | GCCFLAGS += $(call check_gcc, -finline-limit=100000,) |
| 7 | -LINKFLAGS += -G 0 -static -n |
| 8 | -MODFLAGS += -mlong-calls |
| 9 | +LINKFLAGS += -G 0 -static -n -nostdlib |
| 10 | +MODFLAGS += -mlong-calls -fno-common |
| 11 | |
| 12 | -ifdef CONFIG_DEBUG_INFO |
| 13 | +ifdef CONFIG_REMOTE_DEBUG |
| 14 | GCCFLAGS += -g |
| 15 | ifdef CONFIG_SB1XXX_CORELIS |
| 16 | GCCFLAGS += -mno-sched-prolog -fno-omit-frame-pointer |
| 17 | @@ -69,13 +69,13 @@ endif |
| 18 | set_gccflags = $(shell \ |
| 19 | while :; do \ |
| 20 | cpu=$(1); isa=-$(2); \ |
| 21 | - for gcc_opt in -march= -mcpu=; do \ |
| 22 | + for gcc_opt in -march= -mtune=; do \ |
| 23 | $(CC) $$gcc_opt$$cpu $$isa -S -o /dev/null \ |
| 24 | -xc /dev/null > /dev/null 2>&1 && \ |
| 25 | break 2; \ |
| 26 | done; \ |
| 27 | cpu=$(3); isa=-$(4); \ |
| 28 | - for gcc_opt in -march= -mcpu=; do \ |
| 29 | + for gcc_opt in -march= -mtune=; do \ |
| 30 | $(CC) $$gcc_opt$$cpu $$isa -S -o /dev/null \ |
| 31 | -xc /dev/null > /dev/null 2>&1 && \ |
| 32 | break 2; \ |
| 33 | @@ -90,7 +90,7 @@ else \ |
| 34 | fi; \ |
| 35 | gas_abi=-Wa,-32; gas_cpu=$$cpu; gas_isa=-Wa,$$isa; \ |
| 36 | while :; do \ |
| 37 | - for gas_opt in -Wa,-march= -Wa,-mcpu=; do \ |
| 38 | + for gas_opt in -Wa,-march= -Wa,-mtune=; do \ |
| 39 | $(CC) $$gas_abi $$gas_opt$$cpu $$gas_isa -Wa,-Z -c \ |
| 40 | -o /dev/null -xassembler /dev/null > /dev/null 2>&1 && \ |
| 41 | break 2; \ |
| 42 | @@ -172,6 +172,7 @@ endif |
| 43 | endif |
| 44 | |
| 45 | AFLAGS += $(GCCFLAGS) |
| 46 | +ASFLAGS += $(GCCFLAGS) |
| 47 | CFLAGS += $(GCCFLAGS) |
| 48 | |
| 49 | LD += -m $(ld-emul) |
| 50 | --- a/Makefile |
| 51 | +++ b/Makefile |
| 52 | @@ -17,7 +17,7 @@ HPATH = $(TOPDIR)/include |
| 53 | FINDHPATH = $(HPATH)/asm $(HPATH)/linux $(HPATH)/scsi $(HPATH)/net $(HPATH)/math-emu |
| 54 | |
| 55 | HOSTCC = gcc |
| 56 | -HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer |
| 57 | +HOSTCFLAGS = -Wall -Wstrict-prototypes -Os -fomit-frame-pointer |
| 58 | |
| 59 | CROSS_COMPILE = |
| 60 | |
| 61 | @@ -88,10 +88,9 @@ export MODLIB |
| 62 | # |
| 63 | # standard CFLAGS |
| 64 | # |
| 65 | - |
| 66 | CPPFLAGS := -D__KERNEL__ -I$(HPATH) |
| 67 | |
| 68 | -CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes -Wno-trigraphs -O2 \ |
| 69 | +CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes -Wno-trigraphs -Os \ |
| 70 | -fno-strict-aliasing -fno-common |
| 71 | CFLAGS += -fno-builtin-strpbrk -fno-builtin-sprintf |
| 72 | ifndef CONFIG_FRAME_POINTER |
| 73 | @@ -108,6 +107,8 @@ CFLAGS += $(call check_gcc,-Wno-pointer- |
| 74 | # disable stupid and dangerous "optimization" in gcc 3.2+ |
| 75 | CFLAGS += $(call check_gcc,-fno-delete-null-pointer-checks,) |
| 76 | |
| 77 | +CFLAGS += $(call check_gcc, -funit-at-a-time,) |
| 78 | + |
| 79 | # |
| 80 | # ROOT_DEV specifies the default root-device when making the image. |
| 81 | # This can be either FLOPPY, CURRENT, /dev/xxxx or empty, in which case |
| 82 | |
