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 -ru gdb-6.8.orig/bfd/sysdep.h gdb-6.8/bfd/sysdep.h
2 --- gdb-6.8.orig/bfd/sysdep.h 2007-07-03 16:26:42.000000000 +0200
3 +++ gdb-6.8/bfd/sysdep.h 2011-08-21 13:33:47.000000000 +0200
9 +#if !HAVE_DECL_STPCPY && !defined(stpcpy)
10 extern char *stpcpy (char *__dest, const char *__src);