Re: statically linking standard libraries

[Axel Freyn <axel-freyn at gmx dot de>]

Hi Jerin,

> I'm having some issues trying to compile a standalone library.
> 
> I first create my object files without linking:
> cross-g++ -c -o  abc.o -fno-use-cxa-atexit abc.cc
> cross-g++ -c -o  cppfunc.o -fno-use-cxa-atexit cppfunc.cc
> cross-g++ -c -o  assemble.o -fno-use-cxa-atexit assemble.cc
> 
> I'm unable to link them together. When I run:
> cross-ld  -T test.ld assemble.o cppfunc.o abc.o -o standalone_program
> 
> The linker throws errors:
> : undefined reference to `printf'
> : undefined reference to `free'
> : undefined reference to `strcpy'
> ..
> 
> I'm trying to cross compile the code. I'm compiling on an x86 machine
> but the binary has to run on a different architecture. The "cross-g++"
> and "cross-ld" binaries compile code for the different architecture.
>
> I want to build a standalone binary. I tried passing a couple of
> options to the g++ and ld:
> -Bstatic
> -L/path to libstdc++.a
> 
> but that did not help.
The errors result from the fact that some libraries are missing. At
least "-lcstd" is needed (this includes "printf"). Did you try

cross-g++ -static assemble.o cppfunc.o abc.o -o standalone_program

?
This would leave cross-g++ the decision, which libraries have to be
passed to "ld" exactly.

HTH,

Axel