diff --git a/libm/amd64/Makefile.inc b/libm/amd64/Makefile.inc
new file mode 100644
index 0000000..43da775
--- /dev/null
+++ b/libm/amd64/Makefile.inc
@@ -0,0 +1,5 @@
+# $FreeBSD: src/lib/msun/amd64/Makefile.inc,v 1.4 2005/04/16 21:12:55 das Exp $
+
+ARCH_SRCS = e_sqrt.S e_sqrtf.S s_llrint.S s_llrintf.S s_lrint.S s_lrintf.S \
+	    s_remquo.S s_remquof.S s_scalbn.S s_scalbnf.S s_scalbnl.S
+LDBL_PREC = 64