diff --git a/devel/pika/Makefile b/devel/pika/Makefile
index 9b5cd586b4c1..6a76d91a598f 100644
--- a/devel/pika/Makefile
+++ b/devel/pika/Makefile
@@ -1,37 +1,40 @@
 PORTNAME=	pika
 DISTVERSION=	0.11.0
 CATEGORIES=	devel
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	C++ library for concurrency and parallelism
 WWW=		https://github.com/pika-org/pika
 
 LICENSE=	BSL
 LICENSE_FILE=	${WRKSRC}/LICENSE_1_0.txt
 
+BROKEN_FreeBSD_12=	compilation error: /usr/include/sys/sysctl.h:1117:25: error: unknown type name 'u_int'
+BROKEN_aarch64=		compilation error: error: 'regparm' is not valid on this platform
+
 BUILD_DEPENDS=	boost-libs>=0:devel/boost-libs
 LIB_DEPENDS=	libboost_context.so:devel/boost-libs \
 		libfmt.so:devel/libfmt \
 		libhwloc.so:devel/hwloc2 \
 		libtcmalloc_minimal.so:devel/google-perftools
 
 USES=		cmake:testing compiler:c++17-lang
 USE_LDCONFIG=	yes
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	pika-org
 
 CMAKE_ON=	PIKA_WITH_MALLOC
 CMAKE_ON+=	PIKA_WITH_GENERIC_CONTEXT_COROUTINES # prerequisite, build breaks on aarch64, armv6 w/out it
 CMAKE_TESTING_ON=	PIKA_WITH_TESTS PIKA_WITH_TESTS_UNIT
 CMAKE_TESTING_TARGET=	tests # 3 tests are known to fail, see https://github.com/pika-org/pika/issues/463
 
 BINARY_ALIAS=	git=false
 
 post-install:
 	@${RM} -r ${STAGEDIR}${DATADIR} # remove copy of license
 
 pre-test: # unlike most other cmake projects tests fail to build when reconfigured, and require full rebuild
 	@${RM} -r ${BUILD_WRKSRC}/*
 
 .include <bsd.port.mk>