.PHONY: all all: helloparallelstacks helloparallelstacks: helloparallelstacks.cpp g++-15 -std=c++23 -g -pthread -o helloparallelstacks helloparallelstacks.cpp .PHONY: clean clean: rm -f helloparallelstacks helloparallelstacks.o Digraph* DirectedGraph*