From 49b21f0fe5fb93b30b94cc449429fd33de0652a7 Mon Sep 17 00:00:00 2001
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From: Richard Purdie <richard.purdie@linuxfoundation.org>
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Date: Thu, 18 Aug 2016 14:46:32 +0100
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Subject: [PATCH] If you:
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TCLIBC=musl bitbake unwind
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TCLIBC=musl bitbake gcc-runtime -c cleansstate
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TCLIBC=musl bitbake gcc-runtime
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you will see libstdc++ fail to build due to finding libunwind's header file.
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Khem: "When we build any of gcc components they expect to use internal version
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and that works with glibc based gcc since the search headers first look into gcc
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headers, however with musl the gcc headers are searched after the standard
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headers ( which is by design the right thing )."
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This patch hacks around the issue by looking for a define used during gcc-runtime's
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build and skipping to the internal header in that case.
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[YOCTO #10129]
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RP 2016/8/18
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Upstream-Status: Inappropriate [really need to fix gcc]
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---
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include/unwind.h | 4 ++++
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1 file changed, 4 insertions(+)
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diff --git a/include/unwind.h b/include/unwind.h
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index 7cf128d..31c2871 100644
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--- a/include/unwind.h
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+++ b/include/unwind.h
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@@ -23,6 +23,10 @@ LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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+#ifdef _GLIBCXX_SHARED
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+#include_next <unwind.h>
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+#endif
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+
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#ifndef _UNWIND_H
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#define _UNWIND_H
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