libc/uClibc: Add CUSTOM version and CUSTOM_LOCATION config options and GetCustom
CUSTOM_LOCATION config options only presented in menuconfig if component
CUSTOM version selected.
Signed-off-by: "David Holsgrove" <david.holsgrove@xilinx.com>
[yann.morin.1998@free.fr: fix indentation, don't patch custom dir location]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Message-Id: <712995e3e719fbbe24af.1349931201@localhost.localdomain>
PatchWork-Id: 190794
1 Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org> wrote:
3 I tried to use crosstool-ng to generate a toolchain for Linux on big
4 endian arm with recent versions of gcc, glibc, etc... but had a few
7 It appears that the gcc patch (for gcc 4.2.x)
8 for big-endian arm (240-arm-bigendian.patch) lacks the change attached
9 to this mail as 240-arm-bigendian2.patch.
11 --- gcc-4.2.4/gcc/config/arm/bpabi.h~ 2007-09-01 17:28:30.000000000 +0200
12 +++ gcc-4.2.4/gcc/config/arm/bpabi.h 2009-01-05 19:19:10.000000000 +0100
14 #undef FPUTYPE_DEFAULT
15 #define FPUTYPE_DEFAULT FPUTYPE_VFP
18 + * 'config.gcc' defines TARGET_BIG_ENDIAN_DEFAULT as 1 for arm*b-*
19 + * (big endian) configurations.
21 +#if TARGET_BIG_ENDIAN_DEFAULT
22 +#define TARGET_ENDIAN_DEFAULT MASK_BIG_END
24 +#define TARGET_ENDIAN_DEFAULT 0
27 /* EABI targets should enable interworking by default. */
29 -#define TARGET_DEFAULT MASK_INTERWORK
30 +#define TARGET_DEFAULT (MASK_INTERWORK | TARGET_ENDIAN_DEFAULT)
32 /* The ARM BPABI functions return a boolean; they use no special
33 calling convention. */