diff --git a/ClanLib-1.0.0-use-pthread_mutexattr_settype.patch b/ClanLib-1.0.0-use-pthread_mutexattr_settype.patch
new file mode 100644
index 0000000..6315ec1
--- /dev/null
+++ b/ClanLib-1.0.0-use-pthread_mutexattr_settype.patch
@@ -0,0 +1,39 @@
+diff -up ClanLib-1.0.0/Sources/Core/System/Unix/mutex_pthread.cpp~ ClanLib-1.0.0/Sources/Core/System/Unix/mutex_pthread.cpp
+--- ClanLib-1.0.0/Sources/Core/System/Unix/mutex_pthread.cpp~	2008-11-13 17:09:02.000000000 +0100
++++ ClanLib-1.0.0/Sources/Core/System/Unix/mutex_pthread.cpp	2022-03-06 19:06:28.886408533 +0100
+@@ -36,17 +36,6 @@
+ #include <pthread.h>
+ #include "mutex_pthread.h"
+ 
+-// We need to do this because the posix threads library under linux obviously
+-// suck:
+-extern "C"
+-{
+-#if defined(__APPLE__) || defined (__FreeBSD__) || defined(__OpenBSD__)
+-	int pthread_mutexattr_settype(pthread_mutexattr_t *attr, int kind);
+-#else
+-	int pthread_mutexattr_setkind_np(pthread_mutexattr_t *attr, int kind);
+-#endif
+-}
+-
+ CL_Mutex *CL_Mutex::create()
+ {
+ 	return new CL_Mutex;
+@@ -60,16 +49,7 @@ CL_Mutex::CL_Mutex()
+ 	pthread_mutexattr_t attr;
+ 	pthread_mutexattr_init(&attr);
+ 
+-#if defined(__APPLE__) || defined (__FreeBSD__) || defined(__OpenBSD__)
+-        pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
+-#else
+-#if PTHREAD_MUTEX_RECURSIVE_NP
+-// cygwin
+-	pthread_mutexattr_setkind_np(&attr, PTHREAD_MUTEX_RECURSIVE);
+-#else
+-	pthread_mutexattr_setkind_np(&attr, PTHREAD_MUTEX_RECURSIVE_NP);
+-#endif
+-#endif
++	pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE_NP);
+ 	pthread_mutex_init(&impl->mutex, &attr);
+ 	pthread_mutexattr_destroy(&attr);
+ 
diff --git a/ClanLib1.spec b/ClanLib1.spec
index a021c70..8157ddb 100644
--- a/ClanLib1.spec
+++ b/ClanLib1.spec
@@ -3,7 +3,7 @@
 Summary:        Cross platform C++ game library
 Name:           ClanLib1
 Version:        1.0.0
-Release:        36%{?dist}
+Release:        37%{?dist}
 License:        zlib
 URL:            http://www.clanlib.org/
 Source0:        http://www.clanlib.org/download/releases-1.0/%{realname}-%{version}.tgz
@@ -17,6 +17,7 @@ Patch1:         ClanLib-1.0.0-fullscreen-viewport.patch
 Patch2:         ClanLib-1.0.0-libpng15.patch
 Patch3:         ClanLib-1.0.0-gcc6.patch
 Patch4:         ClanLib-1.0.0-NULL-not-defined.patch
+Patch5:         ClanLib-1.0.0-use-pthread_mutexattr_settype.patch
 BuildRequires:  make gcc-c++
 BuildRequires:  libX11-devel libXi-devel libXmu-devel libGLU-devel libICE-devel
 BuildRequires:  libXext-devel libXxf86vm-devel libXt-devel xorg-x11-proto-devel
@@ -59,6 +60,8 @@ sed -i 's|Libs:   -L${libdir}|Libs:   -L${libdir}/%{realname}-1.0|' \
 %build
 %configure --disable-dependency-tracking --disable-static --enable-dyn \
   --disable-docs
+sed -i 's|^hardcode_libdir_flag_spec=.*|hardcode_libdir_flag_spec=""|g' libtool
+sed -i 's|^runpath_var=LD_RUN_PATH|runpath_var=DIE_RPATH_DIE|g' libtool
 make %{?_smp_mflags}
 
 
@@ -96,6 +99,10 @@ done
 
 
 %changelog
+* Sun Mar  6 2022 Hans de Goede <hdegoede@redhat.com> - 1.0.0-37
+- Stop using obsolete pthread_mutexattr_setkind_np, fixing FTBFS of dependend
+  packages
+
 * Wed Jan 19 2022 Fedora Release Engineering <releng@fedoraproject.org> - 1.0.0-36
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_36_Mass_Rebuild