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/2.9/1080_all_glibc-no-inline-gmon.patch
3 -= BEGIN original header =-
4 http://bugs.gentoo.org/196245
5 http://sourceware.org/ml/libc-alpha/2006-05/msg00017.html
7 Attached is a patch to add __attribute__ ((noinline)) to
10 Without this patch, the sec script that processed initfini.s removes a
11 part of inlined call_gmon_start, causing undefined label errors.
13 This patch solves the problem by forcing gcc not to inline
14 call_gmon_start with __attribute__ ((noinline)).
16 Tested by building for arm-none-lixux-gnueabi. OK to apply?
20 2006-05-07 Kazu Hirata <kazu@codesourcery.com>
22 * sysdeps/generic/initfini.c (call_gmon_start): Add
23 __attribute__ ((noinline)).
25 -= END original header =-
27 diff -durN glibc-2_9.orig/sysdeps/generic/initfini.c glibc-2_9/sysdeps/generic/initfini.c
28 --- glibc-2_9.orig/sysdeps/generic/initfini.c 2007-06-17 20:02:40.000000000 +0200
29 +++ glibc-2_9/sysdeps/generic/initfini.c 2009-02-02 22:01:01.000000000 +0100
31 /* The beginning of _init: */
32 asm ("\n/*@_init_PROLOG_BEGINS*/");
35 +static void __attribute__ ((noinline))
38 extern void __gmon_start__ (void) __attribute__ ((weak)); /*weak_extern (__gmon_start__);*/