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45 lines
1.5 KiB
45 lines
1.5 KiB
From 31b6b6bc14197cd4183bdbd311fddeb36b5ae100 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?J=C3=B6rg=20Krause?= <joerg.krause@embedded.rocks>
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Date: Sat, 19 Sep 2015 22:53:29 +0200
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Subject: [PATCH] Fix use of compact eh frames on MIPS
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Newer MIPS toolchains use a different (compact) eh_frame format.
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libffi don't like them, so we have to switch to the older format.
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This patch add -mno-compact-eh to CFLAGS when compiling for
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Mips and compiler support it.
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Signed-off-by: Jérôme Pouiller <jezz@sysmic.org>
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[unfuzz for 3.2.1]
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Signed-off-by: Jörg Krause <joerg.krause@embedded.rocks>
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---
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configure.ac | 10 ++++++++++
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1 file changed, 10 insertions(+)
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diff --git a/configure.ac b/configure.ac
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index a7bf5ee..36cd0d4 100644
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--- a/configure.ac
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+++ b/configure.ac
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@@ -469,6 +469,16 @@ esac
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AM_CONDITIONAL(FFI_EXEC_TRAMPOLINE_TABLE, test x$FFI_EXEC_TRAMPOLINE_TABLE = x1)
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AC_SUBST(FFI_EXEC_TRAMPOLINE_TABLE)
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+if test x$TARGET = xMIPS; then
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+ save_CFLAGS="$CFLAGS"
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+ CFLAGS=-mno-compact-eh
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+ AC_MSG_CHECKING([whether the C compiler needs -mno-compact-eh])
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+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])],
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+ [AC_MSG_RESULT([yes])]; [save_CFLAGS="$save_CFLAGS -mno-compact-eh"],
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+ [AC_MSG_RESULT([no])])
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+ CFLAGS="$save_CFLAGS"
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+fi
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+
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if test x$TARGET = xX86_64; then
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AC_CACHE_CHECK([toolchain supports unwind section type],
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libffi_cv_as_x86_64_unwind_section_type, [
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--
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2.5.3
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