initial import

libxshmfence/remove-forced-openbsd-futex-support.patch

@@ -0,0 +1,27 @@
+diff --git a/src/xshmfence_futex.h b/src/xshmfence_futex.h
+index 8a6dae0..673ac0e 100644
+--- a/src/xshmfence_futex.h
++++ b/src/xshmfence_futex.h
+@@ -26,21 +26,7 @@
+ 
+ #include <errno.h>
+ 
+-#ifdef HAVE_FUTEX
+-
+-#include <sys/time.h>
+-#include <sys/futex.h>
+-#include <limits.h>
+-
+-static inline int futex_wake(int32_t *addr) {
+-	return futex(addr, FUTEX_WAKE, INT_MAX, NULL, NULL);
+-}
+-
+-static inline int futex_wait(int32_t *addr, int32_t value) {
+-	return futex(addr, FUTEX_WAIT, value, NULL, NULL);
+-}
+-
+-#elif HAVE_UMTX
++#ifdef HAVE_UMTX
+ 
+ #include <sys/types.h>
+ #include <sys/umtx.h>