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: gentoo/src/patchsets/gcc/4.3.1/gentoo/66_all_gcc43-pr25343.patch
2 http://gcc.gnu.org/PR25343
6 2008-04-27 Roman Zippel <zippel@linux-m68k.org>
8 * config/host-linux.c (TRY_EMPTY_VM_SPACE): Define for __mc68000__.
10 diff -durN gcc-4.3.1.orig/gcc/config/host-linux.c gcc-4.3.1/gcc/config/host-linux.c
11 --- gcc-4.3.1.orig/gcc/config/host-linux.c 2007-08-02 12:49:31.000000000 +0200
12 +++ gcc-4.3.1/gcc/config/host-linux.c 2008-06-10 14:58:28.000000000 +0200
14 # define TRY_EMPTY_VM_SPACE 0x8000000000
15 #elif defined(__sparc__)
16 # define TRY_EMPTY_VM_SPACE 0x60000000
17 +#elif defined(__mc68000__)
18 +# define TRY_EMPTY_VM_SPACE 0x40000000
20 # define TRY_EMPTY_VM_SPACE 0