--- configure.ac.orig	2024-08-12 21:08:19 UTC
+++ configure.ac
@@ -93,6 +93,10 @@ case "$host_os" in
         AC_MSG_ERROR([pthreads library not found])
     fi
     ;;
+  freebsd*)
+    AC_CHECK_LIB([intl], [libintl_gettext], [HAVE_LIBINTL=yes], [HAVE_LIBINTL=no])
+    AC_CHECK_LIB([pthread], [pthread_create])
+    ;;
   *)
     ;;
 esac