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package/gcc: define _REENTRANT for OpenRISC when -pthread is passed

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Patch added by commit eee96b0f0a on gcc
9.3.0 must also be applied on gcc 10 and 11 to avoid the following build
failure on numerous packages (babeltrace2, pcsc-lite, tpm2-pkcs11,
etc.):

configure:13774: checking whether pthreads work with -pthread
configure:13868: /home/giuliobenetti/autobuild/run/instance-0/output-1/host/bin/or1k-linux-gcc -o conftest -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os -g2  -std=gnu99 -pthread -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  conftest.c   >&5
conftest.c:27:26: error: #error "_REENTRANT must be defined"
   27 | #                        error "_REENTRANT must be defined"
      |                          ^~~~~

It should be noted that external bootlins will have to be rebuilt.

Fixes:
 - http://autobuild.buildroot.org/results/cb58d4fbaeb08d188c2f8bf05ef1604789fa8766
 - http://autobuild.buildroot.org/results/7af9d4b68bd46ed260ed66ba2cc3c9c21482e741
 - http://autobuild.buildroot.org/results/6f926bec146752873f8032b593f0de1cb222ea46

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit 98e39dc80e)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Fabrice Fontaine 2022-01-18 23:24:24 +01:00 committed by Peter Korsgaard
parent 15e3def173
commit 62cdd11237
2 changed files with 62 additions and 0 deletions
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31
package/gcc/10.3.0/0005-gcc-define-_REENTRANT-for-OpenRISC-when-pthread-is-p.patch Normal file
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@ -0,0 +1,31 @@
From f80e9941739fb3973b61fc6a5abddef5ad2faf73 Mon Sep 17 00:00:00 2001
From: Bernd Kuhls <bernd.kuhls@t-online.de>
Date: Fri, 27 Mar 2020 21:23:53 +0100
Subject: [PATCH] gcc: define _REENTRANT for OpenRISC when -pthread is passed
The detection of pthread support fails on OpenRISC unless _REENTRANT
is defined. Added the CPP_SPEC definition to correct this.
Patch sent upstream: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94372
Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
---
gcc/config/or1k/linux.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/gcc/config/or1k/linux.h b/gcc/config/or1k/linux.h
index cbdc781418f..36303af892c 100644
--- a/gcc/config/or1k/linux.h
+++ b/gcc/config/or1k/linux.h
@@ -32,6 +32,8 @@
#undef MUSL_DYNAMIC_LINKER
#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-or1k.so.1"
+#define CPP_SPEC "%{pthread:-D_REENTRANT}"
+
#undef LINK_SPEC
#define LINK_SPEC "%{h*} \
%{static:-Bstatic} \
--
2.31.1

31
package/gcc/11.2.0/0003-gcc-define-_REENTRANT-for-OpenRISC-when-pthread-is-p.patch Normal file
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@ -0,0 +1,31 @@
From f80e9941739fb3973b61fc6a5abddef5ad2faf73 Mon Sep 17 00:00:00 2001
From: Bernd Kuhls <bernd.kuhls@t-online.de>
Date: Fri, 27 Mar 2020 21:23:53 +0100
Subject: [PATCH] gcc: define _REENTRANT for OpenRISC when -pthread is passed
The detection of pthread support fails on OpenRISC unless _REENTRANT
is defined. Added the CPP_SPEC definition to correct this.
Patch sent upstream: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94372
Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
---
gcc/config/or1k/linux.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/gcc/config/or1k/linux.h b/gcc/config/or1k/linux.h
index cbdc781418f..36303af892c 100644
--- a/gcc/config/or1k/linux.h
+++ b/gcc/config/or1k/linux.h
@@ -32,6 +32,8 @@
#undef MUSL_DYNAMIC_LINKER
#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-or1k.so.1"
+#define CPP_SPEC "%{pthread:-D_REENTRANT}"
+
#undef LINK_SPEC
#define LINK_SPEC "%{h*} \
%{static:-Bstatic} \
--
2.31.1