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Jonathan Liu
05a16911ff
(From OE-Core rev: 9906f949627b64f9fc36bc129bb37c8dd84dc27c) Signed-off-by: Jonathan Liu <net147@gmail.com> Signed-off-by: Ross Burton <ross.burton@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
43 lines
1.3 KiB
Diff
43 lines
1.3 KiB
Diff
From 508ca17a7be01d1cc960d9a07d0af4513948fb8d Mon Sep 17 00:00:00 2001
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From: Thierry Reding <treding@nvidia.com>
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Date: Fri, 27 Jun 2014 08:40:33 +0200
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Subject: [PATCH] Link libunwind to libgcc_s rather than libgcc
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For some architectures, -lgcc and -lgcc_s are not equivalent. On ARM for
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example, libgcc_s.so.1 contains some symbols needed by libunwind which
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are not present in libgcc.
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This causes the following link error when building the X.Org X server
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with libunwind support:
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CCLD Xorg
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/usr/lib/libunwind.so: undefined reference to `__aeabi_unwind_cpp_pr0'
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/usr/lib/libunwind.so: undefined reference to `__aeabi_unwind_cpp_pr1'
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Linking against libgcc_s explicitly solves this problem.
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Upstream-Status: Backport
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Signed-off-by: Thierry Reding <treding@nvidia.com>
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Signed-off-by: Jonathan Liu <net147@gmail.com>
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---
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configure.ac | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/configure.ac b/configure.ac
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index cffe19b..3beb5f2 100644
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--- a/configure.ac
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+++ b/configure.ac
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@@ -258,7 +258,7 @@ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[#ifndef __INTEL_COMPILER
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if test x$GCC = xyes -a x$intel_compiler != xyes; then
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CFLAGS="${CFLAGS} -fexceptions -Wall -Wsign-compare"
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- LIBCRTS="-lgcc"
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+ LIBCRTS="-lgcc_s"
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fi
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AC_MSG_RESULT([$intel_compiler])
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--
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2.3.2
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