try different compiler flags

2 files changed, 77 insertions, 44 deletions

diff --git a/zumo/makefile b/zumo/makefile
index c388a28..08c01d7 100644
--- a/zumo/makefile
+++ b/zumo/makefile
@@ -2,33 +2,58 @@ PORT = /dev/ttyUSB0
 
 C++ = avr-g++
 CC = avr-gcc
-LD = avr-ld
+LD = avr-gcc
 RM = rm -f
 
 MCU = atmega32u4
 TARGET = main
 SRCS += main.cpp
 
-CFLAGS += -mcall-prologues
-CFLAGS += -mmcu=$(MCU)
-CFLAGS += -Os
-CFLAGS += -g
-CFLAGS += -Wl,-gc-sections
-CFLAGS += -Wl,-relax
+C_CPP_FLAGS += -mmcu=$(MCU)
+C_CPP_FLAGS += -Wl,-gc-sections
+SHARED_FLAGS += -Os
+
+C_CPP_FLAGS += -mcall-prologues
+C_CPP_FLAGS += -g
+C_CPP_FLAGS += -Wl,-relax
+C_CPP_FLAGS += -MMD
+C_CPP_FLAGS += -ffunction-sections
+C_CPP_FLAGS += -fdata-sections
+
+LFLAGS += -flto
+LFLAGS += -fuse-linker-plugin
+LFLAGS += -lc -lm
+# LFLAGS += -L/usr/avr/lib/avr5/ -L/usr/lib/gcc/avr/12.2.0/avr5 -lgcc -lm -lc -latmega32u4
+# LFLAGS += -flto -fuse-linker-plugin -mmcu=atmega32u4 -Wl,--gc-sections -Os -lc -lm
+
+
+CFLAGS += -fno-fat-lto-objects
+# CFLAGS += -std=gnu11
+
+CPPFLAGS += -fpermissive
+CPPFLAGS += -fno-exceptions
+CPPFLAGS += -fno-threadsafe-statics
+CPPFLAGS += -fno-devirtualize
+# CPPFLAGS += -std=gnu++11
+
+
+LFLAGS += $(SHARED_FLAGS)
+CFLAGS += $(C_CPP_FLAGS) $(SHARED_FLAGS)
+CPPFLAGS += $(C_CPP_FLAGS) $(SHARED_FLAGS)
 
 include zumo.mk
 
 OBJS := $(patsubst %.c,%.o, $(SRCS))
 OBJS := $(patsubst %.cpp,%.o, $(OBJS))
 
-MAKEFLAGS += -j4
+MAKEFLAGS += -j
 
 .PHONY: all clean flash
 
 all: $(TARGET).hex
 
 %.o: %.cpp
-	$(C++) $(CFLAGS) -o $@ -c $<
+	$(C++) $(CPPFLAGS) -o $@ -c $<
 
 %.o: %.c
 	$(CC) $(CFLAGS) -o $@ -c $<
diff --git a/zumo/zumo.mk b/zumo/zumo.mk
index 3645513..f5ab84b 100644
--- a/zumo/zumo.mk
+++ b/zumo/zumo.mk
@@ -1,31 +1,39 @@
-CFLAGS += -DF_CPU=16000000
-CFLAGS += -I./lib/zumo-32u4-arduino-library/src
-CFLAGS += -I./lib/fastgpio-arduino
-CFLAGS += -I./lib/pushbutton-arduino
-CFLAGS += -I./lib/usb-pause-arduino
-CFLAGS += -I./lib/pololu-buzzer-arduino/src
-CFLAGS += -I./lib/pololu-hd44780-arduino
-CFLAGS += -I./lib/pololu-menu-arduino/src
-CFLAGS += -I./lib/pololu-oled-arduino/src
-CFLAGS += -I./lib/ArduinoCore-avr/cores/arduino
-CFLAGS += -I./lib/ArduinoCore-avr/libraries/HID/src
-CFLAGS += -I./lib/ArduinoCore-avr/libraries/SoftwareSerial/src
-CFLAGS += -I./lib/ArduinoCore-avr/libraries/SPI/src
-CFLAGS += -I./lib/ArduinoCore-avr/libraries/EEPROM/src
-CFLAGS += -I./lib/ArduinoCore-avr/libraries/Wire/src
-CFLAGS += -I./lib/ArduinoCore-avr/variants/circuitplay32u4
+C_CPP_FLAGS += -DF_CPU=16000000L
+C_CPP_FLAGS += -D__PROG_TYPES_COMPAT__
+C_CPP_FLAGS += -DARDUINO=1819
+C_CPP_FLAGS += -DARDUINO_AVR_LEONARDO
+C_CPP_FLAGS += -DARDUINO_ARCH_AVR
+C_CPP_FLAGS += -DARDUINO_BOARD='"AVR_LEONARDO"'
+C_CPP_FLAGS += -DARDUINO_VARIANT='"leonardo"'
+C_CPP_FLAGS += -DUSB_VID=0x2341
+C_CPP_FLAGS += -DUSB_PID=0x8036
+C_CPP_FLAGS += -DUSB_PRODUCT='"Arduino Leonardo"'
+C_CPP_FLAGS += -DUSB_MANUFACTURER='"Unknown"'
 
-CFLAGS += -L/usr/avr/lib/avr5/ -L/usr/lib/gcc/avr/12.2.0/avr5 -lgcc -lm -lc -latmega32u4
-LFLAGS += -L/usr/avr/lib/avr5/ -L/usr/lib/gcc/avr/12.2.0/avr5 -lgcc -lm -lc -latmega32u4
+C_CPP_FLAGS += -I./lib/zumo-32u4-arduino-library/src
+C_CPP_FLAGS += -I./lib/fastgpio-arduino
+C_CPP_FLAGS += -I./lib/pushbutton-arduino
+C_CPP_FLAGS += -I./lib/usb-pause-arduino
+C_CPP_FLAGS += -I./lib/pololu-buzzer-arduino/src
+C_CPP_FLAGS += -I./lib/pololu-hd44780-arduino
+C_CPP_FLAGS += -I./lib/pololu-menu-arduino/src
+C_CPP_FLAGS += -I./lib/pololu-oled-arduino/src
+C_CPP_FLAGS += -I./lib/ArduinoCore-avr/cores/arduino
+C_CPP_FLAGS += -I./lib/ArduinoCore-avr/libraries/HID/src
+C_CPP_FLAGS += -I./lib/ArduinoCore-avr/libraries/SoftwareSerial/src
+C_CPP_FLAGS += -I./lib/ArduinoCore-avr/libraries/SPI/src
+C_CPP_FLAGS += -I./lib/ArduinoCore-avr/libraries/EEPROM/src
+C_CPP_FLAGS += -I./lib/ArduinoCore-avr/libraries/Wire/src
+C_CPP_FLAGS += -I./lib/ArduinoCore-avr/variants/leonardo
 
-LIBS += lib/ArduinoCore-avr/cores/arduino/PluggableUSB.cpp
+# LIBS += lib/ArduinoCore-avr/cores/arduino/PluggableUSB.cpp
 LIBS += lib/ArduinoCore-avr/cores/arduino/CDC.cpp
 LIBS += lib/ArduinoCore-avr/cores/arduino/HardwareSerial.cpp
 LIBS += lib/ArduinoCore-avr/cores/arduino/USBCore.cpp
-# LIBS += lib/ArduinoCore-avr/cores/arduino/HardwareSerial0.cpp
-# LIBS += lib/ArduinoCore-avr/cores/arduino/HardwareSerial1.cpp
-# LIBS += lib/ArduinoCore-avr/cores/arduino/HardwareSerial2.cpp
-# LIBS += lib/ArduinoCore-avr/cores/arduino/HardwareSerial3.cpp
+LIBS += lib/ArduinoCore-avr/cores/arduino/HardwareSerial0.cpp
+LIBS += lib/ArduinoCore-avr/cores/arduino/HardwareSerial1.cpp
+LIBS += lib/ArduinoCore-avr/cores/arduino/HardwareSerial2.cpp
+LIBS += lib/ArduinoCore-avr/cores/arduino/HardwareSerial3.cpp
 LIBS += lib/ArduinoCore-avr/cores/arduino/IPAddress.cpp
 LIBS += lib/ArduinoCore-avr/cores/arduino/Print.cpp
 LIBS += lib/ArduinoCore-avr/cores/arduino/Stream.cpp
@@ -34,10 +42,20 @@ LIBS += lib/ArduinoCore-avr/cores/arduino/WString.cpp
 LIBS += lib/ArduinoCore-avr/cores/arduino/abi.cpp
 LIBS += lib/ArduinoCore-avr/cores/arduino/main.cpp
 LIBS += lib/ArduinoCore-avr/cores/arduino/new.cpp
-LIBS += lib/ArduinoCore-avr/libraries/HID/src/HID.cpp
-LIBS += lib/ArduinoCore-avr/libraries/SPI/src/SPI.cpp
+# LIBS += lib/ArduinoCore-avr/libraries/HID/src/HID.cpp
+# LIBS += lib/ArduinoCore-avr/libraries/SPI/src/SPI.cpp
 # LIBS += lib/ArduinoCore-avr/libraries/SoftwareSerial/src/SoftwareSerial.cpp
 LIBS += lib/ArduinoCore-avr/libraries/Wire/src/Wire.cpp
+LIBS += lib/ArduinoCore-avr/cores/arduino/WInterrupts.c
+LIBS += lib/ArduinoCore-avr/cores/arduino/hooks.c
+LIBS += lib/ArduinoCore-avr/cores/arduino/wiring_shift.c
+LIBS += lib/ArduinoCore-avr/cores/arduino/wiring_digital.c
+LIBS += lib/ArduinoCore-avr/cores/arduino/wiring_analog.c
+LIBS += lib/ArduinoCore-avr/cores/arduino/wiring_pulse.c
+LIBS += lib/ArduinoCore-avr/cores/arduino/wiring.c
+LIBS += lib/ArduinoCore-avr/cores/arduino/Tone.cpp
+# LIBS += lib/ArduinoCore-avr/libraries/Wire/src/utility/twi.c
+
 LIBS += lib/pololu-buzzer-arduino/src/PololuBuzzer.cpp
 LIBS += lib/pushbutton-arduino/Pushbutton.cpp
 LIBS += lib/zumo-32u4-arduino-library/src/QTRSensors.cpp
@@ -50,16 +68,6 @@ LIBS += lib/usb-pause-arduino/USBPause.cpp
 LIBS += lib/pololu-hd44780-arduino/PololuHD44780.cpp
 LIBS += lib/fastgpio-arduino/FastGPIO.cpp
 LIBS += lib/pololu-oled-arduino/src/font.cpp
-# LIBS += lib/ArduinoCore-avr/cores/arduino/Tone.cpp
-# LIBS += lib/ArduinoCore-avr/libraries/Wire/src/utility/twi.c
-
-LIBS += lib/ArduinoCore-avr/cores/arduino/WInterrupts.c
-LIBS += lib/ArduinoCore-avr/cores/arduino/hooks.c
-LIBS += lib/ArduinoCore-avr/cores/arduino/wiring_shift.c
-LIBS += lib/ArduinoCore-avr/cores/arduino/wiring_digital.c
-LIBS += lib/ArduinoCore-avr/cores/arduino/wiring_analog.c
-# LIBS += lib/ArduinoCore-avr/cores/arduino/wiring_pulse.c
-LIBS += lib/ArduinoCore-avr/cores/arduino/wiring.c
 
 SRCS += $(LIBS)