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COMMON_OPT_FLAGS?= -O3 -march=native -pipe -flto \
-march=native -fgraphite -fopenmp -floop-parallelize-all -ftree-parallelize-loops=4 \
-floop-interchange -ftree-loop-distribution -floop-strip-mine -floop-block \
-fno-stack-check -fno-strict-aliasing
C_OPT_FLAGS?=
CXX_OPT_FLAGS?= -felide-constructors
LD_OPT_FLAGS?=-O3 -flto
COMMON_FLAGS=-Wall -pedantic $(COMMON_OPT_FLAGS)
CFLAGS?=$(COMMMON_FLAGS) --std=gnu11 $(C_OPT_FLAGS)
CXXFLAGS?=$(COMMON_FLAGS) --std=gnu++20 $(CXX_OPT_FLAGS)
LDFLAGS?=$(LD_OPT_FLAGS)
CXXFLAGS+= -fno-exceptions
.PHONY: all
all: part1 part2
part1: day3.cpp
$(CXX) $< $(CXXFLAGS) -o $@ $(LDFLAGS)
strip $@
part2: day3.cpp
$(CXX) $< -DPART2 $(CXXFLAGS) -o $@ $(LDFLAGS)
strip $@
clean:
rm -f part{1,2}