Index: head/x11-wm/enlightenment/Makefile
===================================================================
--- head/x11-wm/enlightenment/Makefile
+++ head/x11-wm/enlightenment/Makefile
@@ -20,7 +20,7 @@
 BROKEN_sparc64=		Does not install on sparc64: signal 10
 
 GNU_CONFIGURE=	yes
-USES=		alias autoreconf desktop-file-utils gettext-tools \
+USES=		alias autoreconf compiler:c11 desktop-file-utils gettext-tools \
 		gmake iconv libtool pathfix pkgconfig tar:xz
 USE_XORG=	xcb
 USE_LDCONFIG=	yes
Index: head/x11-wm/enlightenment/files/patch-src_modules_sysinfo_cpuclock_cpuclock__sysctl.c
===================================================================
--- head/x11-wm/enlightenment/files/patch-src_modules_sysinfo_cpuclock_cpuclock__sysctl.c
+++ head/x11-wm/enlightenment/files/patch-src_modules_sysinfo_cpuclock_cpuclock__sysctl.c
@@ -0,0 +1,10 @@
+--- src/modules/sysinfo/cpuclock/cpuclock_sysctl.c.orig	2019-07-23 16:46:44 UTC
++++ src/modules/sysinfo/cpuclock/cpuclock_sysctl.c
+@@ -2,6 +2,7 @@
+ #include <stdlib.h>
+ 
+ #if defined(__FreeBSD__) || defined(__DragonFly__)
++# include <sys/types.h>
+ # include <sys/sysctl.h>
+ #endif
+