Xen devel - May 2008 - error while static linking of libxenctrl and libxenguest

Hello,

When statically linking the following program:

#include <stdio.h>
#include <xenctrl.h>
#include <xenguest.h>

int main(void) {
	printf("%p\n", xc_domain_resume);
	printf("%p\n", xc_domain_save);
	return 0;
}

gcc -static test.c -o test -lxenguest -lxenctrl -lpthread -lz

we get

/usr/lib/gcc/x86_64-linux-gnu/4.2.3/../../../../lib/libxenctrl.a(xc_private.o):
In function `lock_pages'':
/home/sthibault/xen-unstable-stubdom.hg/tools/libxc/xc_private.c:130: multiple
definition of `lock_pages''
/usr/lib/gcc/x86_64-linux-gnu/4.2.3/../../../../lib/libxenguest.a(xg_private.o):/home/sthibault/xen-unstable-stubdom.hg/tools/libxc/xg_private.c:15:
first defined here
/usr/lib/gcc/x86_64-linux-gnu/4.2.3/../../../../lib/libxenctrl.a(xc_private.o):
In function `unlock_pages'':
/home/sthibault/xen-unstable-stubdom.hg/tools/libxc/xc_private.c:142: multiple
definition of `unlock_pages''
/usr/lib/gcc/x86_64-linux-gnu/4.2.3/../../../../lib/libxenguest.a(xg_private.o):/home/sthibault/xen-unstable-stubdom.hg/tools/libxc/xg_private.c:24:
first defined here

Since libxenguest depends on libxenctrl anyway, shouldn''t it use
xc_private''s lock/unlock functions?

Samuel

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That would make sense. Please send a patch.

 -- Keir


On 19/5/08 16:16, "Samuel Thibault"
<samuel.thibault@eu.citrix.com> wrote:
> Hello,
> 
> When statically linking the following program:
> 
> #include <stdio.h>
> #include <xenctrl.h>
> #include <xenguest.h>
> 
> int main(void) {
> printf("%p\n", xc_domain_resume);
> printf("%p\n", xc_domain_save);
> return 0;
> }
> 
> gcc -static test.c -o test -lxenguest -lxenctrl -lpthread -lz
> 
> we get
> 
>
/usr/lib/gcc/x86_64-linux-gnu/4.2.3/../../../../lib/libxenctrl.a(xc_private.o)
> : In function `lock_pages'':
> /home/sthibault/xen-unstable-stubdom.hg/tools/libxc/xc_private.c:130:
multiple
> definition of `lock_pages''
>
/usr/lib/gcc/x86_64-linux-gnu/4.2.3/../../../../lib/libxenguest.a(xg_private.o
> ):/home/sthibault/xen-unstable-stubdom.hg/tools/libxc/xg_private.c:15:
first
> defined here
>
/usr/lib/gcc/x86_64-linux-gnu/4.2.3/../../../../lib/libxenctrl.a(xc_private.o)
> : In function `unlock_pages'':
> /home/sthibault/xen-unstable-stubdom.hg/tools/libxc/xc_private.c:142:
multiple
> definition of `unlock_pages''
>
/usr/lib/gcc/x86_64-linux-gnu/4.2.3/../../../../lib/libxenguest.a(xg_private.o
> ):/home/sthibault/xen-unstable-stubdom.hg/tools/libxc/xg_private.c:24:
first
> defined here
> 
> Since libxenguest depends on libxenctrl anyway, shouldn''t it use
> xc_private''s lock/unlock functions?
> 
> Samuel
> 
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xensource.com
> http://lists.xensource.com/xen-devel


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