From c87b366bfec4eeda2646b33cb8a33822a301456c Mon Sep 17 00:00:00 2001
From: M Joonas Pihlaja <jpihlaja@cc.helsinki.fi>
Date: Wed, 2 Sep 2009 04:09:46 +0100
Subject: [PATCH] [constructors] Guard against being called without any input
 files.

The make-cairo-(test|boilerplate)-constructors scripts ought
never to be called without arguments lest we are left constructorless.
---
 boilerplate/make-cairo-boilerplate-constructors.sh | 7 ++++++-
 test/make-cairo-test-constructors.sh               | 7 ++++++-
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/boilerplate/make-cairo-boilerplate-constructors.sh b/boilerplate/make-cairo-boilerplate-constructors.sh
index 2c7fc85e8..dd6311178 100644
--- a/boilerplate/make-cairo-boilerplate-constructors.sh
+++ b/boilerplate/make-cairo-boilerplate-constructors.sh
@@ -1,4 +1,9 @@
-#!/bin/sh
+#! /bin/sh
+
+if test $# == 0; then
+    echo "$0: no input files." >&2
+    exit 0
+fi
 
 cat <<HERE
 /* WARNING: Autogenerated file - see $0! */
diff --git a/test/make-cairo-test-constructors.sh b/test/make-cairo-test-constructors.sh
index d0325e876..fdb84e9dc 100644
--- a/test/make-cairo-test-constructors.sh
+++ b/test/make-cairo-test-constructors.sh
@@ -1,4 +1,9 @@
-#!/bin/sh
+#! /bin/sh
+
+if test $# == 0; then
+    echo "$0: no input files." >&2
+    exit 0
+fi
 
 cat <<HERE
 /* WARNING: Autogenerated file - see $0! */