Added ability to compile w/o timestamps.

- Compiling binaries without timestamps is useful for testing and being able to
compare binaries using diff.

Marlin/Conditionals_LulzBot.h

@@ -200,7 +200,7 @@
 /* Endstop settings are determined by printer model, except for the
  * X_MAX which varies by toolhead. */
 
-if defined(LULZBOT_USE_NORMALLY_CLOSED_ENDSTOPS)
+#if defined(LULZBOT_USE_NORMALLY_CLOSED_ENDSTOPS)
     // TAZ 6+ and Huerfano Mini onwards use normally closed endstops.
     // This is safer, as a loose connector or broken wire will halt
     // the axis

Marlin/Makefile

@@ -338,6 +338,11 @@ LD_PREFIX=-nodefaultlibs
 LD_SUFFIX=-lm -lgcc -lc -lgcc
 endif
 
+#Disabling the timestamp is useful for diffing binaries between different builds.
+ifeq ($(NO_TIMESTAMP), 1)
+CDEFS +=-D__DATE__="??? ?? ????" -D__TIME__="??:??:??"
+endif
+
 #Check for Arduino 1.0.0 or higher and use the correct source files for that version
 ifeq ($(shell [ $(ARDUINO_VERSION) -ge 100 ] && echo true), true)
 CXXSRC += main.cpp

build-lulzbot-firmware.sh

@@ -147,7 +147,14 @@ check_avr_tools
 rm -rf build
 mkdir build
 
-if [ $# -eq 2 ]; then
+if [ "$1" = "--no-timestamp" ]
+then
+  shift
+  MAKEOPTS="NO_TIMESTAMP=1"
+fi
+
+if [ $# -eq 2 ]
+then
   build_firmware $1 $2
 else
   build_for_mini