Index: head/devel/libepoll-shim/Makefile
===================================================================
--- head/devel/libepoll-shim/Makefile	(revision 560400)
+++ head/devel/libepoll-shim/Makefile	(revision 560401)
@@ -1,35 +1,36 @@
 # Created by: Johannes Lundberg <johalun0@gmail.com>
 # $FreeBSD$
 
 PORTNAME=	libepoll-shim
-PORTVERSION=	0.0.20200602
+PORTVERSION=	0.0.20201229
 CATEGORIES=	devel
 
 MAINTAINER=	x11@FreeBSD.org
 COMMENT=	Small epoll implementation using kqueue
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 USES=		cmake compiler:c11
 USE_LDCONFIG=	yes
 USE_GITHUB=	yes
 GH_ACCOUNT=	jiixyj
 GH_PROJECT=	epoll-shim
-GH_TAGNAME=	3840e9c
+GH_TAGNAME=	1c27d2d
+PLIST_SUB=	SHIM_EVENTFD="${exists(/usr/include/sys/eventfd.h):?@comment :}"
 
 do-test:
 	# Exclude certain tests in resource restricted environments
 	@(if [ `ulimit -n` -lt 20100 ]; then \
 	    ${ECHO} "Skipping test perf-many-fds.perf_many_fds__perf"; \
 	    SKIP_TESTS="-E ^(perf-many-fds.perf_many_fds__perf"; \
 	    if [ `ulimit -n` -lt 1100 ]; then \
 	        ${ECHO} "Skipping test timerfd-test.timerfd__many_timers"; \
 	        SKIP_TESTS=$$SKIP_TESTS"|timerfd-test.timerfd__many_timers"; \
 	    fi; \
 	    SKIP_TESTS=$$SKIP_TESTS")$$"; \
 	fi; \
 	cd ${TEST_WRKSRC} && \
 	${SETENV} ${TEST_ENV} ctest -C ${CMAKE_BUILD_TYPE} $$SKIP_TESTS)
 
 .include <bsd.port.mk>
Index: head/devel/libepoll-shim/distinfo
===================================================================
--- head/devel/libepoll-shim/distinfo	(revision 560400)
+++ head/devel/libepoll-shim/distinfo	(revision 560401)
@@ -1,3 +1,3 @@
-TIMESTAMP = 1591116464
-SHA256 (jiixyj-epoll-shim-0.0.20200602-3840e9c_GH0.tar.gz) = 6b02ccc2d9a2f1c19c498a9300edd0b7362e11c4fea00ddc16b629baebe14c98
-SIZE (jiixyj-epoll-shim-0.0.20200602-3840e9c_GH0.tar.gz) = 59473
+TIMESTAMP = 1609265133
+SHA256 (jiixyj-epoll-shim-0.0.20201229-1c27d2d_GH0.tar.gz) = 38e33bab1066a733e611188e03e8501923c396efbb27e0ae936ad5ab9facc4a6
+SIZE (jiixyj-epoll-shim-0.0.20201229-1c27d2d_GH0.tar.gz) = 60751
Index: head/devel/libepoll-shim/pkg-plist
===================================================================
--- head/devel/libepoll-shim/pkg-plist	(revision 560400)
+++ head/devel/libepoll-shim/pkg-plist	(revision 560401)
@@ -1,10 +1,10 @@
 include/libepoll-shim/sys/epoll.h
-include/libepoll-shim/sys/eventfd.h
+%%SHIM_EVENTFD%%include/libepoll-shim/sys/eventfd.h
 include/libepoll-shim/sys/signalfd.h
 include/libepoll-shim/sys/timerfd.h
 lib/cmake/epoll-shim/epoll-shim-config.cmake
 lib/cmake/epoll-shim/epoll-shim-targets-%%CMAKE_BUILD_TYPE%%.cmake
 lib/cmake/epoll-shim/epoll-shim-targets.cmake
 lib/libepoll-shim.so
 lib/libepoll-shim.so.0
 libdata/pkgconfig/epoll-shim.pc