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 --- glibc-2.7/sysdeps/unix/sysv/linux/kernel-features.h 2007-08-14 06:21:09.000000000 +0300
2 +++ glibc-2.7/sysdeps/unix/sysv/linux/kernel-features.h.new 2008-07-23 07:05:20.000000000 +0300
4 and on Alpha just after 2.6.22-rc1. */
5 #if __LINUX_KERNEL_VERSION >= 0x020611 \
6 && ((!defined __sh__ && !defined __alpha__) \
7 - || (__LINUX_KERNEL_VERSION >= 0x020613 && defined __sh__) \
8 - || (__LINUX_KERNEL_VERSION >= 0x020617 && defined __alpha__))
9 + || (__LINUX_KERNEL_VERSION >= 0x020613 && defined __sh__))
10 # define __ASSUME_ATFCTS 1