cc/gcc: Apply CT_CC_GCC_DISABLE_PCH to do_cc_core.
Otherwise, users have to input --disable-libstdcxx-pch option
when building bare-metal CANADIAN C++ compiler.
Reviewed-by: Michael Hope
Signed-off-by: Zhenqiang Chen <zhenqiang.chen@linaro.org>
(transplanted from e3e1c9d45bddfbfb433ee9d583faf42fa31f50c0)
1 diff -durN gcc-4.4.4.orig/gcc/config/arm/linux-eabi.h gcc-4.4.4/gcc/config/arm/linux-eabi.h
2 --- gcc-4.4.4.orig/gcc/config/arm/linux-eabi.h 2007-11-08 14:44:09.000000000 +0100
3 +++ gcc-4.4.4/gcc/config/arm/linux-eabi.h 2010-05-16 19:13:00.000000000 +0200
5 The ARM10TDMI core is the default for armv5t, so set
6 SUBTARGET_CPU_DEFAULT to achieve this. */
7 #undef SUBTARGET_CPU_DEFAULT
8 -#define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm10tdmi
9 +#define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm9tdmi
11 /* TARGET_BIG_ENDIAN_DEFAULT is set in
12 config.gcc for big endian configurations. */