Use ${CT_TOP_DIR}/build as a base for build directories (used in default values for paths).
Remove this directory on distclean (hard-coded).
Mark the version to be 0.0.1-svn (no release yet).
1 By Lennert Buytenhek <buytenh@wantstofly.org>
2 Adds support for arm*b-linux* big-endian ARM targets
4 Fixes following build error for big-endian ARM targets:
6 armeb-unknown-linux-gnu/gcc-4.0.0-20050410-glibc-2.3.4/bin/../lib/gcc/armeb-unknown-linux-gnu/4.0.0/../../../../armeb-unknown-linux-gnu/bin/ld: unrecognised emulation mode: armelf_linux
7 Supported emulations: armelfb_linux armelfb
8 collect2: ld returned 1 exit status
9 make[2]: *** [crosstool-0.32/build/armeb-unknown-linux-gnu/gcc-4.0.0-20050410-glibc-2.3.4/build-glibc/csu/crt1.o] Error 1
10 make[2]: Leaving directory `crosstool-0.32/build/armeb-unknown-linux-gnu/gcc-4.0.0-20050410-glibc-2.3.4/glibc-2.3.4/csu'
11 make[1]: *** [csu/subdir_lib] Error 2
12 make[1]: Leaving directory `crosstool-0.32/build/armeb-unknown-linux-gnu/gcc-4.0.0-20050410-glibc-2.3.4/glibc-2.3.4'
13 make: *** [lib] Error 2
16 See http://gcc.gnu.org/PR16350
18 --- gcc-4.0-20050305/gcc/config/arm/linux-elf.h.orig 2005-03-23 18:44:54.822707377 +0100
19 +++ gcc-4.0-20050305/gcc/config/arm/linux-elf.h 2005-03-23 18:46:18.228560206 +0100
21 /* Do not assume anything about header files. */
22 #define NO_IMPLICIT_EXTERN_C
25 + * 'config.gcc' defines TARGET_BIG_ENDIAN_DEFAULT as 1 for
26 + * arm*b-*-linux* (big endian) configurations.
28 +#if TARGET_BIG_ENDIAN_DEFAULT
29 +#define TARGET_ENDIAN_DEFAULT ARM_FLAG_BIG_END
30 +#define TARGET_ENDIAN_OPTION "mbig-endian"
31 +#define TARGET_LINKER_EMULATION "armelfb_linux"
33 +#define TARGET_ENDIAN_DEFAULT 0
34 +#define TARGET_ENDIAN_OPTION "mlittle-endian"
35 +#define TARGET_LINKER_EMULATION "armelf_linux"
38 #undef TARGET_DEFAULT_FLOAT_ABI
39 #define TARGET_DEFAULT_FLOAT_ABI ARM_FLOAT_ABI_HARD
42 -#define TARGET_DEFAULT (0)
43 +#define TARGET_DEFAULT (TARGET_ENDIAN_DEFAULT)
45 #define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm6
47 -#define SUBTARGET_EXTRA_LINK_SPEC " -m armelf_linux -p"
48 +#define SUBTARGET_EXTRA_LINK_SPEC " -m " TARGET_LINKER_EMULATION " -p"
50 #undef MULTILIB_DEFAULTS
51 #define MULTILIB_DEFAULTS \
52 - { "marm", "mlittle-endian", "mhard-float", "mno-thumb-interwork" }
53 + { "marm", TARGET_ENDIAN_OPTION, "mhard-float", "mno-thumb-interwork" }
55 /* The GNU C++ standard library requires that these macros be defined. */
56 #undef CPLUSPLUS_CPP_SPEC
58 %{rdynamic:-export-dynamic} \
59 %{!dynamic-linker:-dynamic-linker /lib/ld-linux.so.2} \
61 - %{mbig-endian:-EB}" \
62 + %{mbig-endian:-EB} %{mlittle-endian:-EL}" \
63 SUBTARGET_EXTRA_LINK_SPEC
65 #define TARGET_OS_CPP_BUILTINS() \
66 --- gcc-4.0-20050305/gcc/config.gcc.orig 2005-03-23 18:46:23.318105335 +0100
67 +++ gcc-4.0-20050305/gcc/config.gcc 2005-03-23 18:47:41.592546386 +0100
70 arm*-*-linux*) # ARM GNU/Linux with ELF
71 tm_file="dbxelf.h elfos.h linux.h arm/elf.h arm/linux-gas.h arm/linux-elf.h arm/aout.h arm/arm.h"
74 + tm_defines="${tm_defines} TARGET_BIG_ENDIAN_DEFAULT=1"
77 tmake_file="${tmake_file} arm/t-arm arm/t-linux"
78 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"