USE_CLANG = 1 ifdef USE_CLANG CC = clang++ CFLAGS = -std=c++1y -stdlib=libc++ -g else CC = g++ CFLAGS = -std=c++1y -g endif all: peglint peglint : peglint.cc ../peglib.h $(CC) -o peglint $(CFLAGS) -I.. peglint.cc