Developers using mingw: now supports makefile.burn_rules_dev

It's a private / individual developer's WIP file.  Add stuff in
this file so mainline changes to makefile.burn_rules doesn't mess with
your development :)

makefile.burn_rules_dev.template

@@ -0,0 +1,17 @@
+# makefile.burn_rules_dev (remove .template from the filename to use this)
+# NOTE: this is an individual-developer (private) WIP file.
+# During WIP/Development of your driver/device/etc, put it in here.  When it's
+# done or time to release, move it over to makefile.burn_rules
+
+# IMPORTANT: this is NOT for WIP stuff that is to be placed on github!
+# -- that stuff belongs in makefile.burn_rules :)
+
+# include directories, f.ex: cpu/newcore
+alldir += 
+
+#include drivers, f.ex: d_newdriver.o
+drvsrc += 
+
+#include devices, f.ex: newcore77.o superdev88.o
+depobj += 
+

makefile.mamemingw

@@ -81,6 +81,8 @@ objdir	= obj/$(COMPILENAME)/
 srcdir	= src/
 
 include makefile.burn_rules
+#optional: include developer's makefile.burn_rules_dev
+-include makefile.burn_rules_dev
 include makefile.burner_win32_rules
 
 incdir	= $(foreach dir,$(alldir),-I$(srcdir)$(dir)) -I$(objdir)dep/generated -I$(srcdir)dep/mingw/include -I$(srcdir)dep/mingw/include/directx9 -I$(srcdir)dep/mingw/include/xaudio2

makefile.mingw

@@ -98,6 +98,8 @@ endif
 srcdir	= src/
 
 include makefile.burn_rules
+#optional: include developer's makefile.burn_rules_dev
+-include makefile.burn_rules_dev
 include makefile.burner_win32_rules
 
 ifdef GCC345