https://bugs.gentoo.org/889266
https://gitlab.freedesktop.org/libbsd/libbsd/-/issues/15
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -538,10 +538,10 @@ else()
 
                     if(HAVE_LIBBSD_ARC4RANDOM_BUF)
                         list(APPEND MINIZIP_DEF -DHAVE_LIBBSD -DHAVE_ARC4RANDOM_BUF)
-                        list(APPEND MINIZIP_INC ${LIBBSD_INCLUDE_DIRS})
                         list(APPEND MINIZIP_LIB ${LIBBSD_LIBRARIES})
                         list(APPEND MINIZIP_LBD ${LIBBSD_LIBRARY_DIRS})
 
+                        add_compile_options(${LIBBSD_CFLAGS})
                         link_directories(${LIBBSD_LIBRARY_DIRS})
                     endif()
                 else()