Rebuild.

diff --git a/configure b/configure
index 1734008516b637eb291a30ccbf4acdd893f6062b..4f0a3dca61f6d9360c035af334ed7c6772912103 100755 (executable)
--- a/configure
+++ b/configure
@@ -2576,7 +2576,7 @@ _ACEOF
   powerpc-apple-darwin* )
     machine=powermac opsys=darwin
     # Define CPP as follows to make autoconf work correctly.
-    CPP="${CC} -E -no-cpp-precomp"
+    CPP="${CC-cc} -E -no-cpp-precomp"
   ;;
 
   ## AMD x86-64 Linux-based GNU system