Makefile.pgo

##
# Project Title
#
# @file
# @version 0.1

CC=clang
CFLAGS += -O3 -ffast-math -pedantic -Wall -Wextra  -march=native -flto
LDFLAGS += -march=native -flto  -O3 -ffast-math
SRCS =  $(wildcard *.c)
OBJS = $(patsubst %.c,%.o,$(SRCS))
DEPS = $(patsubst %.c,%.d,$(SRCS))

OBJS_PROF = $(patsubst %.c,%.prof.o,$(SRCS))

.PHONY: all clean run

all:  speedshark

prof: default.profdata

default.profdata: speedshark.prof
	for i in $$(seq 1 10); do \
	LLVM_PROFILE_FILE="./default-%p.rawprof" ./speedshark.prof rand$$i.pcapng ./tmp; \
	done
	llvm-profdata merge -o default.profdata ./default-*.rawprof

clean:
	rm -rf $(OBJS) $(DEPS) $(OBJS_PROF) speedshark speedshark.prof default.profdata ./default-*.rawprof ./tmp

run: all
	SSHARK_SRC_PORT="22" SSHARK_SRC_IP="192.168.1.200" ./speedshark 100.pcapng out.pcapng

speedshark: default.profdata $(OBJS)
	$(CC) $(LDFLAGS) -fprofile-instr-use=$^ -o $@

speedshark.prof: $(OBJS_PROF)
	$(CC) $(LDFLAGS) -fcoverage-mapping -fprofile-instr-generate $^ -o $@

-include $(DEPS)

%.o: %.c default.profdata
	$(CC) $(CFLAGS) -fprofile-instr-use -MMD -MP -c $< -o $@

%.prof.o: %.c
	$(CC) $(CFLAGS) -fcoverage-mapping -fprofile-instr-generate -c $< -o $@

# end