package/bullet: fix musl build

Fix the following build failure on musl raised since bump to version
3.0.9 in commit 28b4947ed8f53c4edfbf8fef9304dc76480c01ca:

In file included from /tmp/instance-5/output-1/build/bullet-3.09/src/LinearMath/btScalar.h:289,
                 from /tmp/instance-5/output-1/build/bullet-3.09/src/LinearMath/btVector3.h:19,
                 from /tmp/instance-5/output-1/build/bullet-3.09/src/LinearMath/btConvexHullComputer.h:18,
                 from /tmp/instance-5/output-1/build/bullet-3.09/Extras/VHACD/src/VHACD.cpp:28:
/tmp/instance-5/output-1/build/bullet-3.09/Extras/BulletRobotics/../../Extras/VHACD/inc/vhacdMutex.h: In constructor 'VHACD::Mutex::Mutex()':
/tmp/instance-5/output-1/build/bullet-3.09/Extras/BulletRobotics/../../Extras/VHACD/inc/vhacdMutex.h:97:54: error: 'PTHREAD_MUTEX_RECURSIVE_NP' was not declared in this scope; did you mean 'PTHREAD_MUTEX_RECURSIVE'?
   97 |   VHACD_VERIFY(pthread_mutexattr_settype(&mutexAttr, PTHREAD_MUTEX_RECURSIVE_NP) == 0);
      |                                                      ^~~~~~~~~~~~~~~~~~~~~~~~~~

Fixes:
 - http://autobuild.buildroot.org/results/79cd2024b3dfc8d3e896cdacf67fb891df81ca6e

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

diff --git a/package/bullet/0001-Extras-VHACD-inc-vhacdMutex.h-fix-musl-build.patch b/package/bullet/0001-Extras-VHACD-inc-vhacdMutex.h-fix-musl-build.patch
new file mode 100644 (file)
index 0000000..d01bb97
--- /dev/null
+++ b/package/bullet/0001-Extras-VHACD-inc-vhacdMutex.h-fix-musl-build.patch
@@ -0,0 +1,42 @@
+From dd37b97e79aea231ae026ac93c6ca4c7a2667582 Mon Sep 17 00:00:00 2001
+From: Fabrice Fontaine <fontaine.fabrice@gmail.com>
+Date: Sat, 7 Aug 2021 17:11:24 +0200
+Subject: [PATCH] Extras/VHACD/inc/vhacdMutex.h: fix musl build
+
+Fix the following build failure on musl (which does not provide
+PTHREAD_MUTEX_RECURSIVE_NP):
+
+In file included from /tmp/instance-5/output-1/build/bullet-3.09/src/LinearMath/btScalar.h:289,
+                 from /tmp/instance-5/output-1/build/bullet-3.09/src/LinearMath/btVector3.h:19,
+                 from /tmp/instance-5/output-1/build/bullet-3.09/src/LinearMath/btConvexHullComputer.h:18,
+                 from /tmp/instance-5/output-1/build/bullet-3.09/Extras/VHACD/src/VHACD.cpp:28:
+/tmp/instance-5/output-1/build/bullet-3.09/Extras/BulletRobotics/../../Extras/VHACD/inc/vhacdMutex.h: In constructor 'VHACD::Mutex::Mutex()':
+/tmp/instance-5/output-1/build/bullet-3.09/Extras/BulletRobotics/../../Extras/VHACD/inc/vhacdMutex.h:97:54: error: 'PTHREAD_MUTEX_RECURSIVE_NP' was not declared in this scope; did you mean 'PTHREAD_MUTEX_RECURSIVE'?
+   97 |   VHACD_VERIFY(pthread_mutexattr_settype(&mutexAttr, PTHREAD_MUTEX_RECURSIVE_NP) == 0);
+      |                                                      ^~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Fixes:
+ - http://autobuild.buildroot.org/results/79cd2024b3dfc8d3e896cdacf67fb891df81ca6e
+
+Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
+[Upstream status: https://github.com/bulletphysics/bullet3/pull/3930]
+---
+ Extras/VHACD/inc/vhacdMutex.h | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/Extras/VHACD/inc/vhacdMutex.h b/Extras/VHACD/inc/vhacdMutex.h
+index 4d1ad2a7d..78c111383 100644
+--- a/Extras/VHACD/inc/vhacdMutex.h
++++ b/Extras/VHACD/inc/vhacdMutex.h
+@@ -69,7 +69,7 @@
+ #include <pthread.h>
+ #endif
+ 
+-#if defined(__APPLE__)
++#if defined(__APPLE__) || !defined(__GLIBC__)
+ #define PTHREAD_MUTEX_RECURSIVE_NP PTHREAD_MUTEX_RECURSIVE
+ #endif
+ 
+-- 
+2.30.2
+