diff --git a/sys/boot/fdt/dts/Makefile b/sys/boot/fdt/dts/Makefile
new file mode 100644
index 000000000000..66f65a712fe4
--- /dev/null
+++ b/sys/boot/fdt/dts/Makefile
@@ -0,0 +1,5 @@
+# $FreeBSD$
+
+SUBDIR=arm mips powerpc
+
+.include <bsd.subdir.mk>
diff --git a/sys/boot/fdt/dts/Makefile.inc b/sys/boot/fdt/dts/Makefile.inc
new file mode 100644
index 000000000000..e10280f44119
--- /dev/null
+++ b/sys/boot/fdt/dts/Makefile.inc
@@ -0,0 +1,7 @@
+# $FreeBSD$
+
+test-dts:
+.for dts in ${DTS}
+	dtc -I dts -O dtb -o /dev/null ${dts}
+.endfor
+
diff --git a/sys/boot/fdt/dts/arm/Makefile b/sys/boot/fdt/dts/arm/Makefile
new file mode 100644
index 000000000000..03d156d94770
--- /dev/null
+++ b/sys/boot/fdt/dts/arm/Makefile
@@ -0,0 +1,7 @@
+# $FreeBSD$
+
+DTS!=ls *.dts
+
+all: test-dts
+
+.include <bsd.init.mk>
diff --git a/sys/boot/fdt/dts/mips/Makefile b/sys/boot/fdt/dts/mips/Makefile
new file mode 100644
index 000000000000..03d156d94770
--- /dev/null
+++ b/sys/boot/fdt/dts/mips/Makefile
@@ -0,0 +1,7 @@
+# $FreeBSD$
+
+DTS!=ls *.dts
+
+all: test-dts
+
+.include <bsd.init.mk>
diff --git a/sys/boot/fdt/dts/powerpc/Makefile b/sys/boot/fdt/dts/powerpc/Makefile
new file mode 100644
index 000000000000..03d156d94770
--- /dev/null
+++ b/sys/boot/fdt/dts/powerpc/Makefile
@@ -0,0 +1,7 @@
+# $FreeBSD$
+
+DTS!=ls *.dts
+
+all: test-dts
+
+.include <bsd.init.mk>