diff options
Diffstat (limited to 'target/linux/linux-2.4/patches/generic/006-build_flags.patch')
| -rw-r--r-- | target/linux/linux-2.4/patches/generic/006-build_flags.patch | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/target/linux/linux-2.4/patches/generic/006-build_flags.patch b/target/linux/linux-2.4/patches/generic/006-build_flags.patch new file mode 100644 index 000000000..207dd0be2 --- /dev/null +++ b/target/linux/linux-2.4/patches/generic/006-build_flags.patch @@ -0,0 +1,99 @@ +diff -urN linux.old/Makefile linux.dev/Makefile +--- linux.old/Makefile 2005-08-26 13:41:41.689634168 +0200 ++++ linux.dev/Makefile 2005-08-26 13:44:34.233403528 +0200 +@@ -17,9 +17,9 @@ + FINDHPATH = $(HPATH)/asm $(HPATH)/linux $(HPATH)/scsi $(HPATH)/net $(HPATH)/math-emu + + HOSTCC = gcc +-HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer ++HOSTCFLAGS = -Wall -Wstrict-prototypes -Os -fomit-frame-pointer + +-CROSS_COMPILE = ++CROSS_COMPILE= + + # + # Include the make variables (CC, etc...) +@@ -89,6 +89,8 @@ + # standard CFLAGS + # + ++check_gcc = $(shell if $(CC) $(1) -S -o /dev/null -xc /dev/null > /dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi) ++ + CPPFLAGS := -D__KERNEL__ -I$(HPATH) + + CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes -Wno-trigraphs -Os \ +@@ -91,8 +93,10 @@ + + CPPFLAGS := -D__KERNEL__ -I$(HPATH) + +-CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes -Wno-trigraphs -O2 \ ++CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes -Wno-trigraphs -Os \ + -fno-strict-aliasing -fno-common ++ ++ + ifndef CONFIG_FRAME_POINTER + CFLAGS += -fomit-frame-pointer + endif +@@ -100,6 +105,12 @@ + endif + AFLAGS := -D__ASSEMBLY__ $(CPPFLAGS) + ++CFLAGS += $(call check_gcc, -funit-at-a-time,) ++ ++ ++ ++ ++ + # + # ROOT_DEV specifies the default root-device when making the image. + # This can be either FLOPPY, CURRENT, /dev/xxxx or empty, in which case +diff -urN linux.old/arch/mips/Makefile linux.dev/arch/mips/Makefile +--- linux.old/arch/mips/Makefile 2005-11-07 23:12:50.582887000 +0100 ++++ linux.dev/arch/mips/Makefile 2005-11-07 21:57:08.537629000 +0100 +@@ -46,10 +46,10 @@ + GCCFLAGS := -I $(TOPDIR)/include/asm/gcc + GCCFLAGS += -G 0 -mno-abicalls -fno-pic -pipe + GCCFLAGS += $(call check_gcc, -finline-limit=100000,) +-LINKFLAGS += -G 0 -static -n +-MODFLAGS += -mlong-calls ++LINKFLAGS += -G 0 -static -n -nostdlib ++MODFLAGS += -mlong-calls -fno-common + +-ifdef CONFIG_DEBUG_INFO ++ifdef CONFIG_REMOTE_DEBUG + GCCFLAGS += -g + ifdef CONFIG_SB1XXX_CORELIS + GCCFLAGS += -mno-sched-prolog -fno-omit-frame-pointer +@@ -71,13 +71,13 @@ + set_gccflags = $(shell \ + while :; do \ + cpu=$(1); isa=-$(2); \ +- for gcc_opt in -march= -mcpu=; do \ ++ for gcc_opt in -march= -mtune=; do \ + $(CC) $$gcc_opt$$cpu $$isa -S -o /dev/null \ + -xc /dev/null > /dev/null 2>&1 && \ + break 2; \ + done; \ + cpu=$(3); isa=-$(4); \ +- for gcc_opt in -march= -mcpu=; do \ ++ for gcc_opt in -march= -mtune=; do \ + $(CC) $$gcc_opt$$cpu $$isa -S -o /dev/null \ + -xc /dev/null > /dev/null 2>&1 && \ + break 2; \ +@@ -92,7 +92,7 @@ + fi; \ + gas_abi=-Wa,-32; gas_cpu=$$cpu; gas_isa=-Wa,$$isa; \ + while :; do \ +- for gas_opt in -Wa,-march= -Wa,-mcpu=; do \ ++ for gas_opt in -Wa,-march= -Wa,-mtune=; do \ + $(CC) $$gas_abi $$gas_opt$$cpu $$gas_isa -Wa,-Z -c \ + -o /dev/null -xassembler /dev/null > /dev/null 2>&1 && \ + break 2; \ +@@ -174,6 +174,7 @@ + endif + + AFLAGS += $(GCCFLAGS) ++ASFLAGS += $(GCCFLAGS) + CFLAGS += $(GCCFLAGS) + + LD += -m $(ld-emul) |