.DEFAULT_GOAL := all .PHONY: all clean install tncattach compiler = gcc flags = -std=gnu11 -lm all: tncattach rebuild: clean all clean: @echo "Cleaning tncattach build..." rm tncattach tncattach: @echo "Making tncattach..." @echo "Compiling with: ${compiler}" ${compiler} ${flags} tncattach.c Serial.c KISS.c TAP.c -o tncattach -Wall install: all @echo "Installing tncattach..."