waf: give a more sensible error on symlink_bin with missing directory

Pair-Programmed-With: Andrew Bartlett <abartlet@samba.org>

diff --git a/buildtools/wafsamba/samba_install.py b/buildtools/wafsamba/samba_install.py
index 5902d731f65cf0a3dd06589c4db812ea819e8adb..f25fd543e32a1943eb183b2218f7b03e88f01b01 100644 (file)
--- a/buildtools/wafsamba/samba_install.py
+++ b/buildtools/wafsamba/samba_install.py
@@ -211,6 +211,8 @@ def symlink_bin(self):
         return
 
     blddir = os.path.dirname(self.bld.srcnode.abspath(self.bld.env))
+    if not self.link_task.outputs or not self.link_task.outputs[0]:
+        raise Utils.WafError('no outputs found for %s in symlink_bin' % self.name)
     binpath = self.link_task.outputs[0].abspath(self.env)
     bldpath = os.path.join(self.bld.env.BUILD_DIRECTORY, self.link_task.outputs[0].name)