> henry wrote:
>
> Dear List:
> I have 2 sub-libraries(image.c ,gif.c ) used by a libraries
> generic.c
> How could I link them as a static library libgeneric.a ,
> Could someone shed some light?
>
>
> gcc -c image.c -o image.o
> ar rcs libimage.a image.o
>
> gcc -c gif.c -o gif.o
> ar rcs libgif.a gif.o
>
> gcc -c generic.c -o generic.o -L. -limage -lgif <- it seems that I
> do wrong on this line
> ar rcs libgeneric.a generic.o
I'm not really sure what you're trying to do. If your trying to build a
file called libgeneric.a that contains the object files from image.c,
gif.c and generic.c, you just need to do this:
gcc -c image.c -o image.o
gcc -c gif.c -o gif.o
gcc -c generic.c -o generic.o
ar rcs libgeneric.a image.o gif.o generic.o
You only use -L/-l when you're linking an executable. Creating a static
library (.a file) is not the same as linking -- all building a static
library does is archive your object files together.
Matthew
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