/usr/src/gcc-4.6/debian/patches/cross-fixes-trunk.diff is in gcc-4.6-source 4.6.4-6ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 | # DP: Fix the linker error when creating an xcc for ia64
---
gcc/config/alpha/linux-unwind.h | 3 +++
gcc/config/ia64/fde-glibc.c | 3 +++
gcc/config/ia64/unwind-ia64.c | 3 ++-
gcc/unwind-compat.c | 2 ++
gcc/unwind-generic.h | 2 ++
6 files changed, 14 insertions(+), 1 deletions(-)
--- a/src/libgcc/config/alpha/linux-unwind.h
+++ b/src/libgcc/config/alpha/linux-unwind.h
@@ -29,6 +29,7 @@ Boston, MA 02110-1301, USA. */
/* Do code reading to identify a signal frame, and set the frame
state data appropriately. See unwind-dw2.c for the structs. */
+#ifndef inhibit_libc
#include <signal.h>
#include <sys/ucontext.h>
@@ -80,3 +81,5 @@ alpha_fallback_frame_state (struct _Unwind_Context *context,
fs->retaddr_column = 64;
return _URC_NO_REASON;
}
+
+#endif
--- a/src/libgcc/config/ia64/fde-glibc.c
+++ b/src/libgcc/config/ia64/fde-glibc.c
@@ -31,6 +31,7 @@
#ifndef _GNU_SOURCE
#define _GNU_SOURCE 1
#endif
+#ifndef inhibit_libc
#include "config.h"
#include <stddef.h>
#include <stdlib.h>
@@ -162,3 +163,5 @@ _Unwind_FindTableEntry (void *pc, unsigned long *segment_base,
return data.ret;
}
+
+#endif
--- a/src/libgcc/config/ia64/unwind-ia64.c
+++ b/src/libgcc/config/ia64/unwind-ia64.c
@@ -27,6 +27,7 @@
This exception does not however invalidate any other reasons why
the executable file might be covered by the GNU General Public License. */
+#ifndef inhibit_libc
#include "tconfig.h"
#include "tsystem.h"
#include "coretypes.h"
@@ -2417,3 +2417,4 @@ alias (_Unwind_SetIP);
#endif
#endif
+#endif
--- a/src/libgcc/unwind-compat.c
+++ b/src/libgcc/unwind-compat.c
@@ -29,6 +29,7 @@
02110-1301, USA. */
#if defined (USE_GAS_SYMVER) && defined (USE_LIBUNWIND_EXCEPTIONS)
+#ifndef inhibit_libc
#include "tconfig.h"
#include "tsystem.h"
#include "unwind.h"
@@ -213,3 +214,4 @@ _Unwind_SetIP (struct _Unwind_Context *context, _Unwind_Ptr val)
}
symver (_Unwind_SetIP, GCC_3.0);
#endif
+#endif
--- a/src/libgcc/unwind-generic.h
+++ b/src/libgcc/unwind-generic.h
@@ -214,6 +214,7 @@ _Unwind_SjLj_Resume_or_Rethrow (struct _Unwind_Exception *);
compatible with the standard ABI for IA-64, we inline these. */
#ifdef __ia64__
+#ifndef inhibit_libc
#include <stdlib.h>
static inline _Unwind_Ptr
@@ -232,6 +233,7 @@ _Unwind_GetTextRelBase (struct _Unwind_Context *_C __attribute__ ((__unused__)))
/* @@@ Retrieve the Backing Store Pointer of the given context. */
extern _Unwind_Word _Unwind_GetBSP (struct _Unwind_Context *);
+#endif
#else
extern _Unwind_Ptr _Unwind_GetDataRelBase (struct _Unwind_Context *);
extern _Unwind_Ptr _Unwind_GetTextRelBase (struct _Unwind_Context *);
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