Robert P. J. DAY says:
apparently, the patchset for gcc 4.2.1 applies properly to the
source for gcc 4.2.2 and gcc 4.2.3. so, if you want, you can simply
add support for those last two just by augmenting menuconfig and
adding a couple symlinks for those two directories. seems like a
cheap way to add a couple new versions.
1 diff -urN gcc-3.3.4.orig/gcc/config/arm/linux-elf.h gcc-3.3.4/gcc/config/arm/linux-elf.h
2 --- gcc-3.3.4.orig/gcc/config/arm/linux-elf.h 2004-03-30 22:43:45.000000000 +0200
3 +++ gcc-3.3.4/gcc/config/arm/linux-elf.h 2004-08-20 02:13:02.969084177 +0200
5 /* Do not assume anything about header files. */
6 #define NO_IMPLICIT_EXTERN_C
9 + * 'config.gcc' defines TARGET_BIG_ENDIAN_DEFAULT as 1 for arm*b-*
10 + * (big endian) configurations.
12 +#if TARGET_BIG_ENDIAN_DEFAULT
13 +#define TARGET_ENDIAN_DEFAULT ARM_FLAG_BIG_END
14 +#define TARGET_ENDIAN_OPTION "mbig-endian"
15 +#define TARGET_LINKER_EMULATION "armelfb_linux"
17 +#define TARGET_ENDIAN_DEFAULT 0
18 +#define TARGET_ENDIAN_OPTION "mlittle-endian"
19 +#define TARGET_LINKER_EMULATION "armelf_linux"
22 /* Default is to use APCS-32 mode. */
24 -#define TARGET_DEFAULT (ARM_FLAG_APCS_32 | ARM_FLAG_MMU_TRAPS)
25 +#define TARGET_DEFAULT (ARM_FLAG_APCS_32 | ARM_FLAG_MMU_TRAPS | TARGET_ENDIAN_DEFAULT)
27 #define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm6
29 -#define SUBTARGET_EXTRA_LINK_SPEC " -m armelf_linux -p"
30 +#define SUBTARGET_EXTRA_LINK_SPEC " -m " TARGET_LINKER_EMULATION " -p"
32 #undef MULTILIB_DEFAULTS
33 #define MULTILIB_DEFAULTS \
34 - { "marm", "mlittle-endian", "mhard-float", "mapcs-32", "mno-thumb-interwork" }
35 + { "marm", TARGET_ENDIAN_OPTION, "mhard-float", "mapcs-32", "mno-thumb-interwork" }
37 #define CPP_APCS_PC_DEFAULT_SPEC "-D__APCS_32__"
40 %{rdynamic:-export-dynamic} \
41 %{!dynamic-linker:-dynamic-linker /lib/ld-linux.so.2} \
43 - %{mbig-endian:-EB}" \
44 + %{mbig-endian:-EB} %{mlittle-endian:-EL}" \
45 SUBTARGET_EXTRA_LINK_SPEC
47 #define TARGET_OS_CPP_BUILTINS() \
48 diff -urN gcc-3.3.4.orig/gcc/config.gcc gcc-3.3.4/gcc/config.gcc
49 --- gcc-3.3.4.orig/gcc/config.gcc 2004-04-29 06:42:47.000000000 +0200
50 +++ gcc-3.3.4/gcc/config.gcc 2004-08-20 02:11:04.326143343 +0200
53 arm*-*-linux*) # ARM GNU/Linux with ELF
54 tm_file="dbxelf.h elfos.h arm/elf.h arm/linux-gas.h arm/linux-elf.h arm/aout.h arm/arm.h"
57 + tm_defines="TARGET_BIG_ENDIAN_DEFAULT=1 $tm_defines"
60 tmake_file="t-slibgcc-elf-ver t-linux arm/t-linux"
61 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"