--- configure.ac.orig	2025-05-03 00:02:42 UTC
+++ configure.ac
@@ -205,7 +205,8 @@ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 #include <infiniband/verbs.h>
 #include <rdma/rdma_cma.h>
-#include <rdma/rdma_verbs.h>]],
+#include <rdma/rdma_verbs.h>
+#error not on FreeBSD]],
 [[int ibv = IBV_WC_SEND;]])],
 [libiscsi_cv_HAVE_LINUX_ISER=yes],[libiscsi_cv_HAVE_LINUX_ISER=no])])
 if test x"$libiscsi_cv_HAVE_LINUX_ISER" = x"yes"; then
@@ -229,6 +230,21 @@ AM_CONDITIONAL([HAVE_PTHREAD], [test x$libiscsi_cv_HAV
 	   AC_DEFINE(HAVE_MULTITHREADING,1,[Whether we have multithreading support])
 	fi
 AM_CONDITIONAL([HAVE_PTHREAD], [test x$libiscsi_cv_HAVE_PTHREAD = xyes])
+
+AC_CACHE_CHECK([whether libthr is available],
+               [ac_cv_have_thr],
+               [ac_save_CFLAGS="$CFLAGS"
+                ac_save_LIBS="$LIBS"
+                CFLAGS="$CFLAGS $GLIB_CFLAGS"
+                LIBS="$GLIB_LIBS $LIBS -lthr"
+                AC_LINK_IFELSE([AC_LANG_PROGRAM([[
+                    #include <pthread.h>
+                    ]], [[]])],[ac_cv_have_thr=yes],[ac_cv_have_thr=no])
+                CFLAGS="$ac_save_CFLAGS"
+                LIBS="$ac_save_LIBS"])
+if test "$ac_cv_have_thr" = yes ; then
+	LIBS="$LIBS -lthr"
+fi
 
 AC_CACHE_CHECK([whether libcunit is available],
                [ac_cv_have_cunit],