Index: head/emulators/qemu40/Makefile
===================================================================
--- head/emulators/qemu40/Makefile
+++ head/emulators/qemu40/Makefile
@@ -3,7 +3,7 @@
 
 PORTNAME=	qemu
 PORTVERSION=	4.0.1
-PORTREVISION=	1
+PORTREVISION=	2
 CATEGORIES=	emulators
 MASTER_SITES=	https://download.qemu.org/
 PKGNAMESUFFIX=	40
Index: head/emulators/qemu40/files/patch-util-cacheinfo.c
===================================================================
--- head/emulators/qemu40/files/patch-util-cacheinfo.c
+++ head/emulators/qemu40/files/patch-util-cacheinfo.c
@@ -0,0 +1,41 @@
+--- util/cacheinfo.c.orig	2019-10-17 15:17:44.000000000 -0500
++++ util/cacheinfo.c	2020-01-17 21:13:29.459470000 -0600
+@@ -65,25 +65,28 @@ static void sys_cache_info(int *isize, int *dsize)
+     g_free(buf);
+ }
+ 
+-#elif defined(__APPLE__) \
+-      || defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
++#elif defined(__APPLE__)
+ # include <sys/sysctl.h>
+-# if defined(__APPLE__)
+-#  define SYSCTL_CACHELINE_NAME "hw.cachelinesize"
+-# else
+-#  define SYSCTL_CACHELINE_NAME "machdep.cacheline_size"
+-# endif
+-
+ static void sys_cache_info(int *isize, int *dsize)
+ {
+     /* There's only a single sysctl for both I/D cache line sizes.  */
+     long size;
+     size_t len = sizeof(size);
+-    if (!sysctlbyname(SYSCTL_CACHELINE_NAME, &size, &len, NULL, 0)) {
++    if (!sysctlbyname("hw.cachelinesize", &size, &len, NULL, 0)) {
+         *isize = *dsize = size;
+     }
+ }
+-
++#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
++# include <sys/sysctl.h>
++static void sys_cache_info(int *isize, int *dsize)
++{
++    /* There's only a single sysctl for both I/D cache line sizes.  */
++    int size;
++    size_t len = sizeof(size);
++    if (!sysctlbyname("machdep.cacheline_size", &size, &len, NULL, 0)) {
++        *isize = *dsize = size;
++    }
++}
+ #else
+ /* POSIX */
+