updated for version 7.0c03
diff --git a/src/auto/configure b/src/auto/configure
index 2eea4af..e8b9a5d 100755
--- a/src/auto/configure
+++ b/src/auto/configure
@@ -2992,7 +2992,7 @@
   elif test "x$MACARCH" = "xintel"; then
     CPPFLAGS="$CPPFLAGS -arch intel"
     LDFLAGS="$LDFLAGS -arch intel"
-  else
+  elif test "x$MACARCH" = "xppc"; then
     CPPFLAGS="$CPPFLAGS -arch ppc"
     LDFLAGS="$LDFLAGS -arch ppc"
   fi