--- usbguard-0.7.8/Makefile.am.orig	2020-11-24 09:33:35.928205480 +0100
+++ usbguard-0.7.8/Makefile.am	2020-11-24 09:34:49.095621145 +0100
@@ -166,6 +166,7 @@
 	-I$(top_srcdir)/src/Library/public \
 	-I$(top_builddir)/src/Library/IPC \
 	${BOOST_CPPFLAGS} \
+	${PTHREAD_CPPFLAGS} \
 	@qb_CFLAGS@ \
 	@protobuf_CFLAGS@ \
 	@crypto_CFLAGS@ \
@@ -184,7 +185,9 @@
 	@pegtl_LIBS@ \
 	@atomic_LIBS@ \
 	@umockdev_LIBS@ \
-	${BOOST_IOSTREAMS_LIB}
+	${BOOST_IOSTREAMS_LIB} \
+	${PTHREAD_CFLAGS} \
+	${PTHREAD_LIBS}
 
 EXTRA_DIST+=\
 	src/Library/IPC/Devices.proto \