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82 lines
2.5 KiB
Diff
82 lines
2.5 KiB
Diff
--- a/arch/mips/Makefile
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+++ b/arch/mips/Makefile
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@@ -44,10 +44,10 @@ MAKEBOOT = $(MAKE) -C arch/$(ARCH)/boot
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GCCFLAGS := -I $(TOPDIR)/include/asm/gcc
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GCCFLAGS += -G 0 -mno-abicalls -fno-pic -pipe
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GCCFLAGS += $(call check_gcc, -finline-limit=100000,)
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-LINKFLAGS += -G 0 -static -n
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-MODFLAGS += -mlong-calls
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+LINKFLAGS += -G 0 -static -n -nostdlib
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+MODFLAGS += -mlong-calls -fno-common
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-ifdef CONFIG_DEBUG_INFO
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+ifdef CONFIG_REMOTE_DEBUG
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GCCFLAGS += -g
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ifdef CONFIG_SB1XXX_CORELIS
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GCCFLAGS += -mno-sched-prolog -fno-omit-frame-pointer
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@@ -69,13 +69,13 @@ endif
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set_gccflags = $(shell \
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while :; do \
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cpu=$(1); isa=-$(2); \
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- for gcc_opt in -march= -mcpu=; do \
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+ for gcc_opt in -march= -mtune=; do \
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$(CC) $$gcc_opt$$cpu $$isa -S -o /dev/null \
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-xc /dev/null > /dev/null 2>&1 && \
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break 2; \
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done; \
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cpu=$(3); isa=-$(4); \
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- for gcc_opt in -march= -mcpu=; do \
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+ for gcc_opt in -march= -mtune=; do \
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$(CC) $$gcc_opt$$cpu $$isa -S -o /dev/null \
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-xc /dev/null > /dev/null 2>&1 && \
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break 2; \
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@@ -90,7 +90,7 @@ else \
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fi; \
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gas_abi=-Wa,-32; gas_cpu=$$cpu; gas_isa=-Wa,$$isa; \
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while :; do \
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- for gas_opt in -Wa,-march= -Wa,-mcpu=; do \
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+ for gas_opt in -Wa,-march= -Wa,-mtune=; do \
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$(CC) $$gas_abi $$gas_opt$$cpu $$gas_isa -Wa,-Z -c \
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-o /dev/null -xassembler /dev/null > /dev/null 2>&1 && \
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break 2; \
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@@ -172,6 +172,7 @@ endif
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endif
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AFLAGS += $(GCCFLAGS)
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+ASFLAGS += $(GCCFLAGS)
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CFLAGS += $(GCCFLAGS)
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LD += -m $(ld-emul)
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--- a/Makefile
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+++ b/Makefile
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@@ -17,7 +17,7 @@ HPATH = $(TOPDIR)/include
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FINDHPATH = $(HPATH)/asm $(HPATH)/linux $(HPATH)/scsi $(HPATH)/net $(HPATH)/math-emu
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HOSTCC = gcc
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-HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer
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+HOSTCFLAGS = -Wall -Wstrict-prototypes -Os -fomit-frame-pointer
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CROSS_COMPILE =
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@@ -88,10 +88,9 @@ export MODLIB
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#
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# standard CFLAGS
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#
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-
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CPPFLAGS := -D__KERNEL__ -I$(HPATH)
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-CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes -Wno-trigraphs -O2 \
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+CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes -Wno-trigraphs -Os \
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-fno-strict-aliasing -fno-common
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CFLAGS += -fno-builtin-strpbrk -fno-builtin-sprintf
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ifndef CONFIG_FRAME_POINTER
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@@ -108,6 +107,8 @@ CFLAGS += $(call check_gcc,-Wno-pointer-
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# disable stupid and dangerous "optimization" in gcc 3.2+
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CFLAGS += $(call check_gcc,-fno-delete-null-pointer-checks,)
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+CFLAGS += $(call check_gcc, -funit-at-a-time,)
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+
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#
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# ROOT_DEV specifies the default root-device when making the image.
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# This can be either FLOPPY, CURRENT, /dev/xxxx or empty, in which case
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