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-2.6.1/sysdeps/unix/sysv/linux/kernel-features.h 2006-07-29 07:43:27.000000000 +0300
2 +++ glibc-2.6.1/sysdeps/unix/sysv/linux/kernel-features.h.new 2008-07-26 08:45:06.000000000 +0300
4 /* The *at syscalls were introduced just after 2.6.16-rc1. Due to the way the
5 kernel versions are advertised we can only rely on 2.6.17 to have
7 -#if __LINUX_KERNEL_VERSION >= 0x020611
8 +#if __LINUX_KERNEL_VERSION >= 0x020611 && !defined __alpha__
9 # define __ASSUME_ATFCTS 1