diff --git a/meson.build b/meson.build
index 593bfeebd5a..06953b364a8 100644
--- a/meson.build
+++ b/meson.build
@@ -778,6 +778,11 @@ if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
   error('When using GCC, version 4.4.6 or later is required.')
 endif
 
+# Support systems without ETIME (e.g. FreeBSD)
+if cc.get_define('ETIME', prefix : '#include <errno.h>') == ''
+  pre_args += '-DETIME=ETIMEDOUT'
+endif
+
 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
 if get_option('buildtype') == 'debug'
   pre_args += '-DDEBUG'
diff --git a/src/gallium/drivers/iris/iris_bufmgr.c b/src/gallium/drivers/iris/iris_bufmgr.c
index d5e7a1e85ba..e34c8f34912 100644
--- a/src/gallium/drivers/iris/iris_bufmgr.c
+++ b/src/gallium/drivers/iris/iris_bufmgr.c
@@ -51,9 +51,6 @@
 #include <time.h>
 
 #include "errno.h"
-#ifndef ETIME
-#define ETIME ETIMEDOUT
-#endif
 #include "common/gen_clflush.h"
 #include "dev/gen_debug.h"
 #include "common/gen_gem.h"
diff --git a/src/mesa/drivers/dri/i965/brw_bufmgr.c b/src/mesa/drivers/dri/i965/brw_bufmgr.c
index a7c68406315..c19e87fd82e 100644
--- a/src/mesa/drivers/dri/i965/brw_bufmgr.c
+++ b/src/mesa/drivers/dri/i965/brw_bufmgr.c
@@ -49,9 +49,6 @@
 #include <stdbool.h>
 
 #include "errno.h"
-#ifndef ETIME
-#define ETIME ETIMEDOUT
-#endif
 #include "common/gen_clflush.h"
 #include "dev/gen_debug.h"
 #include "common/gen_gem.h"