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 -durN gcc-4.4.0.orig/gcc/config/sparc/freebsd.h gcc-4.4.0/gcc/config/sparc/freebsd.h
2 --- gcc-4.4.0.orig/gcc/config/sparc/freebsd.h 2007-08-02 12:49:31.000000000 +0200
3 +++ gcc-4.4.0/gcc/config/sparc/freebsd.h 2009-05-27 21:38:16.000000000 +0200
5 /* FreeBSD needs the platform name (sparc64) defined.
6 Emacs needs to know if the arch is 64 or 32-bits. */
8 -#undef CPP_CPU64_DEFAULT_SPEC
9 -#define CPP_CPU64_DEFAULT_SPEC \
10 - "-D__sparc64__ -D__sparc_v9__ -D__sparcv9 -D__arch64__"
11 +#undef FBSD_TARGET_CPU_CPP_BUILTINS
12 +#define FBSD_TARGET_CPU_CPP_BUILTINS() \
15 + if (TARGET_ARCH64) \
17 + builtin_define ("__sparc64__"); \
18 + builtin_define ("__sparc_v9__"); \
19 + builtin_define ("__sparcv9"); \
22 + builtin_define ("__sparc"); \
23 + builtin_define ("__sparc__"); \
28 #define LINK_SPEC "%(link_arch) \
29 %{!mno-relax:%{!r:-relax}} \