diff --git a/sys/alpha/include/pmc_mdep.h b/sys/alpha/include/pmc_mdep.h
new file mode 100644
index 000000000000..54100fb33d2a
--- /dev/null
+++ b/sys/alpha/include/pmc_mdep.h
@@ -0,0 +1,10 @@
+/*-
+ * This file is in the public domain.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef _MACHINE_PMC_MDEP_H_
+#define	_MACHINE_PMC_MDEP_H_
+
+#endif /* !_MACHINE_PMC_MDEP_H_ */
diff --git a/sys/arm/include/pmc_mdep.h b/sys/arm/include/pmc_mdep.h
new file mode 100644
index 000000000000..54100fb33d2a
--- /dev/null
+++ b/sys/arm/include/pmc_mdep.h
@@ -0,0 +1,10 @@
+/*-
+ * This file is in the public domain.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef _MACHINE_PMC_MDEP_H_
+#define	_MACHINE_PMC_MDEP_H_
+
+#endif /* !_MACHINE_PMC_MDEP_H_ */
diff --git a/sys/ia64/include/pmc_mdep.h b/sys/ia64/include/pmc_mdep.h
new file mode 100644
index 000000000000..54100fb33d2a
--- /dev/null
+++ b/sys/ia64/include/pmc_mdep.h
@@ -0,0 +1,10 @@
+/*-
+ * This file is in the public domain.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef _MACHINE_PMC_MDEP_H_
+#define	_MACHINE_PMC_MDEP_H_
+
+#endif /* !_MACHINE_PMC_MDEP_H_ */
diff --git a/sys/powerpc/include/pmc_mdep.h b/sys/powerpc/include/pmc_mdep.h
new file mode 100644
index 000000000000..54100fb33d2a
--- /dev/null
+++ b/sys/powerpc/include/pmc_mdep.h
@@ -0,0 +1,10 @@
+/*-
+ * This file is in the public domain.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef _MACHINE_PMC_MDEP_H_
+#define	_MACHINE_PMC_MDEP_H_
+
+#endif /* !_MACHINE_PMC_MDEP_H_ */
diff --git a/sys/sparc64/include/pmc_mdep.h b/sys/sparc64/include/pmc_mdep.h
new file mode 100644
index 000000000000..54100fb33d2a
--- /dev/null
+++ b/sys/sparc64/include/pmc_mdep.h
@@ -0,0 +1,10 @@
+/*-
+ * This file is in the public domain.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef _MACHINE_PMC_MDEP_H_
+#define	_MACHINE_PMC_MDEP_H_
+
+#endif /* !_MACHINE_PMC_MDEP_H_ */