Calling flex from a makefile

Question

I would like to call flex to build a .l file, then call gcc to build everything.

I tryed:

comp:
    lex scanner.l   \\
    gcc -o a.out main.c hash.c -I.         


        

Answer 1

all: a.out

lex.yy.c: scanner.l
    lex scanner.l

a.out: lex.yy.c main.c hash.c
    gcc -o a.out main.c hash.c -I.