# Use gcc / binutils toolchain
PREFIX = riscv64-unknown-elf-
CC  = $(PREFIX)gcc
CXX = $(PREFIX)g++
LD   = $(PREFIX)gcc
AS   = $(PREFIX)as
SIZE = $(PREFIX)size
DUMP = $(PREFIX)objdump
COPY = $(PREFIX)objcopy
#OBJS  += startup.o system.o
CFLAGS+= -Os
CCPU   = -march=rv32imac -mabi=ilp32
MCPU   = $(CCPU)

CFLAGS+= $(MCPU) -fmessage-length=0 -I/usr/include/newlib
LFLAGS+= -Wl,--Map=$(@:%.elf=%.map),--gc-sections
#LFLAGS+= -Wl,--print-sysroot -- chyba ld ?
LFLAGS+= -O3 $(MCPU) -nostartfiles -nostdlib
#LFLAGS+= -L${HOME}/Downloads/MRS_Toolchain_Linux_x64_V1.91/RISC-V_Embedded_GCC/riscv-none-embed/lib/rv32imac/ilp32 -lprintf -lc
#LDLIBS+= -L$(SRCDIR)/Ld -T Link.ld
LDLIBS+= -L./ch32v203 -T script.ld