diff --git a/ld/config/hmake-sun4 b/ld/config/hmake-sun4
new file mode 100755
index 0000000000..eb6c569b82
--- /dev/null
+++ b/ld/config/hmake-sun4
@@ -0,0 +1 @@
+CDEFINES=-DHOST_SYS=SUN4_SYS