diff --git a/gcc/config/i386/x-aix b/gcc/config/i386/x-aix
new file mode 100644
index 00000000000..d7430cc126f
--- /dev/null
+++ b/gcc/config/i386/x-aix
@@ -0,0 +1,5 @@
+# There is an alloca in -lbsd, but it is limited to 32K
+ALLOCA = alloca.o
+
+# Is this right?
+# INSTALL=cp