advent: compile with optimizations off for gcc6809 :(

diff --git a/Applications/cave/Makefile.6809 b/Applications/cave/Makefile.6809
index 62c708f..2287624 100644 (file)
--- a/Applications/cave/Makefile.6809
+++ b/Applications/cave/Makefile.6809
@@ -5,7 +5,8 @@
 
 PLATFORM = 6809
 CC = m6809-unknown-gcc
-CCOPTS = -O2
+# pointer to pointer gcc compilation problems: use -O0.
+CCOPTS = -O0
 # These are wrappers for lwasm and lwar
 ASM = m6809-unknown-as
 AR = m6809-unknown-ar