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# this could be done better
RELEASE ?= 0
OPTFLAGS != [ "$(RELEASE)" != "0" ] \
&& echo "-O2" \
|| echo "-O0"
LTO ?= 0
LTOFLAGS != [ "$(LTO)" != "0" ] \
&& echo "-flto=auto"
DEBUG ?= 1
DEBUGFLAGS != [ "$(DEBUG)" != "0" ] \
&& echo "-DDEBUG=1" \
|| echo "-DNDEBUG=1"
DEPFLAGS = -MT $@ -MMD -MP -MF $@.d
LINTFLAGS := -fsyntax-only
PREPROCESS := -E
LLVM ?= 0
BUILD := build
all: ejit.o
# default values, overwrite if/when needed
CROSS_COMPILE :=
OBJCOPY != [ "$(LLVM)" != "0" ] \
&& echo llvm-objcopy \
|| echo $(CROSS_COMPILE)objcopy
COMPILER != [ "$(LLVM)" != "0" ] \
&& echo clang --target="$(CROSS_COMPILE)" \
|| echo $(CROSS_COMPILE)gcc
OBFLAGS := -g
# interpreter is allowed to have uninitialized values
WARNFLAGS := -Wall -Wextra -Wno-maybe-uninitialized
COMPILE_FLAGS := $(CFLAGS) $(WARNFLAGS) $(OPTFLAGS) $(LTOFLAGS) \
$(OBFLAGS) $(ASSERTFLAGS) $(DEBUGFLAGS)
INCLUDE_FLAGS := -I include
COMPILE = $(COMPILER) \
$(COMPILE_FLAGS) $(DEPFLAGS) $(INCLUDE_FLAGS)
LINT = $(COMPILER) \
$(COMPILE_FLAGS) $(LINTFLAGS) $(INCLUDE_FLAGS)
UBSAN ?= 0
UBSAN_FLAGS != [ "$(UBSAN)" != "0" ] \
&& echo -fsanitize=undefined \
|| echo
COMPILE_EJIT = $(COMPILE) $(EJIT_FLAGS)
-include deps.mk
ejit.o: $(EJIT_OBJS)
ld -relocatable $(EJIT_OBJS) -o $@
examples: examples/loop examples/fib
examples/loop: examples/loop.c ejit.o
$(COMPILE_EJIT) examples/loop.c ejit.o -o $@
examples/fib: examples/fib.c ejit.o
$(COMPILE_EJIT) examples/fib.c ejit.o -o $@
# might lint some common things twice
.PHONY:
lint: $(TRISCV_LINTS)
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