diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e2eff03b769..69c3d3610f7 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,7 @@
 Wed May 17 18:06:12 2000  John David Anglin <dave@hiauly1.hia.nrc.ca>
 
+	* mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
+
 	* tree.c (build_common_tree_nodes): Do not build TI nodes unless
 	HOST_BITS_PER_WIDE_INT is >= 64.
 
diff --git a/gcc/mklibgcc.in b/gcc/mklibgcc.in
index e39df8305ad..42c8d7cdc87 100644
--- a/gcc/mklibgcc.in
+++ b/gcc/mklibgcc.in
@@ -106,9 +106,9 @@ case X"$LIBGCC1" in
 
       echo $out: $libgcc1_c_dep
       if [ -z "@NO_MINUS_C_MINUS_O@" ]; then
-	echo "	$oldcc_compile" $flags -c '$(srcdir)/libgcc1.c' -o $out
+	echo "	$oldcc_compile" -DL$name $flags -c '$(srcdir)/libgcc1.c' -o $out
       else
-	echo "	$oldcc_compile" $flags -c '$(srcdir)/libgcc1.c'
+	echo "	$oldcc_compile" -DL$name $flags -c '$(srcdir)/libgcc1.c'
 	echo "	mv libgcc1${objext} $out"
       fi