From 5ebcb2ebde350e2840928dc2dcf3663feff93dda Mon Sep 17 00:00:00 2001
From: Tony Theodore <tonyt@logyst.com>
Date: Tue, 22 Dec 2015 20:10:47 +1100
Subject: [PATCH] Makefile: error on paths with dollar signs

see #1085
---
 Makefile | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Makefile b/Makefile
index 1f439009..120cba63 100644
--- a/Makefile
+++ b/Makefile
@@ -230,6 +230,11 @@ ifneq ($(words $(PWD)),1)
     $(error GNU Make chokes on paths with spaces)
 endif
 
+# dollar signs also cause troubles
+ifneq (,$(findstring $$,$(PWD)))
+    $(error GNU Make chokes on paths with dollar signs)
+endif
+
 ifeq ($(IGNORE_SETTINGS),yes)
     $(info [ignore settings.mk])
 else ifeq ($(wildcard $(PWD)/settings.mk),$(PWD)/settings.mk)