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f8d4ce3d0e
Then use this script to check that all packages can be extracted and patched. Signed-off-by: Alexey Neyman <stilor@att.net>
73 lines
3.1 KiB
Diff
73 lines
3.1 KiB
Diff
From 175cef4163dd60f95106cfd5f593b8a4e09d02c9 Mon Sep 17 00:00:00 2001
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From: Joseph Myers <joseph@codesourcery.com>
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Date: Tue, 20 May 2014 21:27:13 +0000
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Subject: [PATCH] Fix ARM build with GCC trunk.
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sysdeps/unix/sysv/linux/arm/unwind-resume.c and
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sysdeps/unix/sysv/linux/arm/unwind-forcedunwind.c have static
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variables that are written in C code but only read from toplevel asms.
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Current GCC trunk now optimizes away such apparently write-only static
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variables, so causing a build failure. This patch marks those
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variables with __attribute_used__ to avoid that optimization.
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Tested that this fixes the build for ARM.
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* sysdeps/unix/sysv/linux/arm/unwind-forcedunwind.c
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(libgcc_s_resume): Use __attribute_used__.
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* sysdeps/unix/sysv/linux/arm/unwind-resume.c (libgcc_s_resume):
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Likewise.
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---
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sysdeps/unix/sysv/linux/arm/unwind-forcedunwind.c | 3 ++-
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sysdeps/unix/sysv/linux/arm/unwind-resume.c | 3 ++-
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3 files changed, 11 insertions(+), 2 deletions(-)
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--- a/sysdeps/unix/sysv/linux/arm/nptl/unwind-forcedunwind.c
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+++ b/sysdeps/unix/sysv/linux/arm/nptl/unwind-forcedunwind.c
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@@ -23,7 +23,8 @@
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#include <pthreadP.h>
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static void *libgcc_s_handle;
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-static void (*libgcc_s_resume) (struct _Unwind_Exception *exc);
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+static void (*libgcc_s_resume) (struct _Unwind_Exception *exc)
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+ __attribute_used__;
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static _Unwind_Reason_Code (*libgcc_s_personality)
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(int, _Unwind_Action, _Unwind_Exception_Class, struct _Unwind_Exception *,
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struct _Unwind_Context *);
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static _Unwind_Reason_Code (*libgcc_s_forcedunwind)
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diff --git a/sysdeps/unix/sysv/linux/arm/unwind-resume.c b/sysdeps/unix/sysv/linux/arm/unwind-resume.c
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index bff3e2b..1f1eb71 100644
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--- a/sysdeps/unix/sysv/linux/arm/nptl/unwind-resume.c
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+++ b/sysdeps/unix/sysv/linux/arm/nptl/unwind-resume.c
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@@ -21,7 +21,8 @@
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#include <stdio.h>
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#include <unwind.h>
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-static void (*libgcc_s_resume) (struct _Unwind_Exception *exc);
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+static void (*libgcc_s_resume) (struct _Unwind_Exception *exc)
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+ __attribute_used__;
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static _Unwind_Reason_Code (*libgcc_s_personality)
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(int, _Unwind_Action, _Unwind_Exception_Class, struct _Unwind_Exception *,
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struct _Unwind_Context *);
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--- a/sysdeps/unix/sysv/linux/arm/eabi/nptl/unwind-forcedunwind.c
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+++ b/sysdeps/unix/sysv/linux/arm/eabi/nptl/unwind-forcedunwind.c
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@@ -23,7 +23,8 @@
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#include <pthreadP.h>
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static void *libgcc_s_handle;
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-static void (*libgcc_s_resume) (struct _Unwind_Exception *exc);
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+static void (*libgcc_s_resume) (struct _Unwind_Exception *exc)
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+ __attribute_used__;
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static _Unwind_Reason_Code (*libgcc_s_personality)
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(_Unwind_State, struct _Unwind_Exception *, struct _Unwind_Context *);
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static _Unwind_Reason_Code (*libgcc_s_forcedunwind)
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--- a/sysdeps/unix/sysv/linux/arm/eabi/nptl/unwind-resume.c
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+++ b/sysdeps/unix/sysv/linux/arm/eabi/nptl/unwind-resume.c
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@@ -21,7 +21,8 @@
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#include <stdio.h>
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#include <unwind.h>
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-static void (*libgcc_s_resume) (struct _Unwind_Exception *exc);
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+static void (*libgcc_s_resume) (struct _Unwind_Exception *exc)
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+ __attribute_used__;
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static _Unwind_Reason_Code (*libgcc_s_personality)
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(_Unwind_State, struct _Unwind_Exception *, struct _Unwind_Context *);
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