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 many ports hit this warning:
2 ../sysdeps/unix/sysv/linux/check_native.c:46: warning: implicit declaration of function 'memset'
3 ../sysdeps/unix/sysv/linux/check_native.c:46: warning: implicit declaration of function 'memset'
7 diff -durN glibc-2.10.1.orig/sysdeps/unix/sysv/linux/check_native.c glibc-2.10.1/sysdeps/unix/sysv/linux/check_native.c
8 --- glibc-2.10.1.orig/sysdeps/unix/sysv/linux/check_native.c 2007-11-24 04:12:17.000000000 +0100
9 +++ glibc-2.10.1/sysdeps/unix/sysv/linux/check_native.c 2009-11-13 00:50:11.000000000 +0100