# Build rules
#--------------------------------------------------------------------
-RISCV_PREFIX=riscv64-unknown-elf-
+RISCV_PREFIX=riscv$(XLEN)-unknown-elf-
RISCV_GCC = $(RISCV_PREFIX)gcc
RISCV_GCC_OPTS = -std=gnu99 -O2 -ffast-math
RISCV_LINK = $(RISCV_GCC) -T $(common)/test.ld $(incs)