Add Makefile with llvm coverage

Author: iglesias

custom/tkp/Makefile

@@ -0,0 +1,32 @@
+CXX      := clang++
+COVFLAGS := -fprofile-instr-generate -fcoverage-mapping
+CXXFLAGS := -std=c++23 -Wall -Wextra $(COVFLAGS) -O0 -g
+AR       := llvm-ar
+ARFLAGS  := rc
+LDFLAGS  := $(COVFLAGS)
+
+all: coverage
+
+solver.o: solver.cpp
+	$(CXX) $(CXXFLAGS) -c $< -o $@
+
+libsolver.a: solver.o
+	$(AR) $(ARFLAGS) $@ $<
+
+test: test.cpp libsolver.a
+	$(CXX) $(CXXFLAGS) $^ -lgtest -o $@
+
+run: test
+	./test
+
+coverage: run
+	llvm-profdata merge -sparse -o default.profdata default.profraw
+	llvm-cov report libsolver.a -instr-profile=default.profdata
+
+#llvm-cov show libsolver.a -instr-profile=default.profdata -show-line-counts-or-regions -output-dir=coverage-report -format=html
+#llvm-cov export libsolver.a -instr-profile=default.profdata > coverage.json
+
+clean:
+	rm -v *.o *.a test default.profdata default.profraw
+
+.PHONY: all clean coverage run