From 8ef5787701f4d7cf46a27771d38ab54af2499e25 Mon Sep 17 00:00:00 2001
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From: Bernd Kuhls <bernd.kuhls@t-online.de>
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Date: Fri, 27 Mar 2020 21:23:53 +0100
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Subject: [PATCH] gcc: define _REENTRANT for OpenRISC when -pthread is passed
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The detection of pthread support fails on OpenRISC unless _REENTRANT
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is defined. Added the CPP_SPEC definition to correct this.
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Patch sent upstream: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94372
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Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
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---
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gcc/config/or1k/linux.h | 2 ++
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1 file changed, 2 insertions(+)
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diff --git a/gcc/config/or1k/linux.h b/gcc/config/or1k/linux.h
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index 196f3f3c8f0..0cbdc934af1 100644
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--- a/gcc/config/or1k/linux.h
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+++ b/gcc/config/or1k/linux.h
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@@ -32,6 +32,8 @@
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#undef MUSL_DYNAMIC_LINKER
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#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-or1k.so.1"
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+#define CPP_SPEC "%{pthread:-D_REENTRANT}"
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+
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#undef LINK_SPEC
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#define LINK_SPEC "%{h*} \
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%{static:-Bstatic} \
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--
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2.35.1
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