diff --git a/ld/config/hmake-dec3100 b/ld/config/hmake-dec3100
new file mode 100755
index 00000000000..4a17e631b96
--- /dev/null
+++ b/ld/config/hmake-dec3100
@@ -0,0 +1,2 @@
+HDEFINES=-DHOST_SYS=DEC3100_SYS
+YACC=yacc -vd