Re: libraries
Re: libraries
- Subject: Re: libraries
- From: Tomas Zahradnicky <email@hidden>
- Date: Mon, 21 Jul 2003 08:11:45 +0200
Ok, I've just wrecked my eyes and brain reading through the man pages for
both gcc and ld, and I still can't quite get my head around how to do
something that i KNOW has got to be really simple.
All I want to do is build a library (in standard C) with a couple of
functions in it, then include it in my project, and use it.
For testing, I've been just using one dummy function:
int adder(int a, int b) {
return (a+b);
}
I compiled like this first:
gcc adder.c -object
which wouldn't work, because gcc wanted me to use the "-static" flag. So
then I tried:
gcc adder.c -static -object
which couldn't find some symbol(s), so I did:
gcc adder.c -nostdlib -static -object
this is ok, but it doesn't build a lib. This only builds object code.
To make it a lib you have to use "ar" to make it an archive and then
"ranlib" tool to make toc of the archive created.
i.e. make static library from 2 files
gcc2 adder.c -nostdlib -static -object -o adder.o
gcc2 multiplier.c -nostdlib -static -object -o multiplier.o
ar -r arithmetics.a adder.o multiplier.o
ranlib arithmetics.a
-Tomas
--
Ing. Tomas Zahradnicky, Jr.
Production Manager, 24U Software
Associate Member, Filemaker Solutions Alliance
mailto:email@hidden
http://www.24uSoftware.com
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| References: | |
| | >libraries (From: Philip George <email@hidden>) |