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 Original patch from: gentoo/src/patchsets/glibc/2.9/1085_all_glibc-2.9-check_native-headers.patch
3 -= BEGIN original header =-
4 many ports hit this warning:
5 ../sysdeps/unix/sysv/linux/check_native.c:46: warning: implicit declaration of function 'memset'
6 ../sysdeps/unix/sysv/linux/check_native.c:46: warning: implicit declaration of function 'memset'
10 -= END original header =-
12 diff -durN glibc-2_9.orig/sysdeps/unix/sysv/linux/check_native.c glibc-2_9/sysdeps/unix/sysv/linux/check_native.c
13 --- glibc-2_9.orig/sysdeps/unix/sysv/linux/check_native.c 2007-11-24 04:12:17.000000000 +0100
14 +++ glibc-2_9/sysdeps/unix/sysv/linux/check_native.c 2009-02-02 22:01:03.000000000 +0100