man 페이지에서.

level 값이 2인것의 의미가 무엇인지

궁금합니다.

-g는 디버깅 정보링크 더군요.

-Olevel

Generate optimized output files. This might use

significantly more time and therefore probably

should be enabled only for generating the final bi

>>곤 님께서 쓰시길<<

:: 실행파일을 생성할 때 부수적으로 호출하는 GNU linker (ld)가 사용하는

:: 옵션들이군요. man ld 로 확인해 보시길...

::

:: >>손님 님께서 쓰시길<<

::

:: :: gcc의 -O2 -g 옵션은 무슨뜻입니까?

:: ::

:: :: OBJS = src1.o src2.o src3.o

:: :: CFLAGS = -O2 -g

:: :: test : $(OBJS)

:: :: gcc $(CFLAGS) -o test $(OBJS)

:: :: src1.o : headerfile.h src1.c

:: :: gcc -c src1.c

:: :: .........

:: ::

:: ::

:: :: Options starting with -g, -f, -m, -O or -W are automatically passed on to

:: :: the various sub-processes invoked by gcc. In order to pass other options

:: :: on to these processes the -W<letter> options must be used.

:: ::