Re: [Xen-users] [Xen-devel] Compiling init-xenstore-domain.c to initialize a OCamel Xenstore Stubdomain

[xen@xxxxxxxxxx]

Zitat von Daniel De Graaf <dgdegra@xxxxxxxxxxxxx>:

> On 12/12/2012 01:35 PM, xen@xxxxxxxxxx wrote:
> > Hello all,
> >
> > I post this message to the xen-users and xen-devel list because I  
> > think that it is not clear if a user or only a developer can help  
> > me out.
> > At the moment I'm working on Dom0 disaggregation and I want to  
> > create a OCamel Xenstore Stubdomain. So I hope that I have all  
> > needed dependencies so I have Xen 4.2 with XSM and FLASK compiled  
> > in (XMS Framework appears in xl dmesg so I think it works  
> > completely) and Linux 3.6.10 (information in the web said that  
> > Linux 3.5 or above with pv_ops is needed for this).
> > Now I need to have the init-xenstore-domain utility to modify the  
> > init scripts so that the xenstore stubdomain get loaded instead of  
> > starting xenstored in Dom0 (I hope that this is right). So I wanted  
> > to compile init-xenstore-domain.c from the source directory  
> > /tools/xenstore/ within the Xen 4.2.0 source directory.
> > I tried to do this with this command:
> >
> > gcc -c -I/root/xen-4.2.0/dist/install/usr/include/  
> > -I/root/xen-4.2.0/tools/libxc/ -I/root/xen-4.2.0/xen/include/  
> > /root/xen-4.2.0/stubdom/xenstore/init-xenstore-domain.c -o  
> > /root/init-xenstore-domain
> >
> > In my case the xen-4.2.0 directory is located inside a debian base  
> > "build" chroot in the /root/ directory. At the moment I get this  
> > error and I don't know how to include the libelf.h file because of  
> > this I get this error:
> > In file included from  
> > /root/xen-4.2.0/stubdom/xenstore/init-xenstore-domain.c:9:
> > /root/xen-4.2.0/tools/libxc/xc_dom.h:17:31: error:  
> > xen/libelf/libelf.h: No such file or directory
> > In file included from  
> > /root/xen-4.2.0/stubdom/xenstore/init-xenstore-domain.c:9:
> > /root/xen-4.2.0/tools/libxc/xc_dom.h:63: error: field 'parms' has  
> > incomplete type
> Hmm, looks like it's not getting built by default. Try running:
>
> make -C stubdom/xenstore init-xenstore-domain
>
> This results in a successful build via the following two commands on  
> my system:
> gcc  -O1 -fno-omit-frame-pointer -m64 -g -fno-strict-aliasing  
> -std=gnu99 -Wall -Wstrict-prototypes -Wdeclaration-after-statement  
> -Wno-unused-but-set-variable   -D__XEN_TOOLS__ -MMD -MF  
> .init-xenstore-domain.o.d  -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE  
> -fno-optimize-sibling-calls  -Werror -I.  
> -I/home/daniel/xen/stubdom/xenstore/../../tools/libxc  
> -I/home/daniel/xen/stubdom/xenstore/../../tools/include  
> -I/home/daniel/xen/stubdom/xenstore/../../tools/libxc  
> -I/home/daniel/xen/stubdom/xenstore/../../tools/include  -c -o  
> init-xenstore-domain.o init-xenstore-domain.c
> gcc     init-xenstore-domain.o libxenstore.so  
> /home/daniel/xen/stubdom/xenstore/../../tools/libxc/libxenctrl.so  
> /home/daniel/xen/stubdom/xenstore/../../tools/libxc/libxenguest.so  
> /home/daniel/xen/stubdom/xenstore/../../tools/xenstore/libxenstore.so -o  
> init-xenstore-domain
>
> > I tried to include the directory /root/xen-4.2.0/xen/include/xen/  
> > (base on my directory structure) and also created a symlink so that  
> > the folder xen and the subfolder libelf (like mentioned in the  
> > include directive of the source file) and linked to the libelf.h  
> > file which is included in the directory mentioned above, but all  
> > this thing result in the same error so how could I compile  
> > init-xenstore-domain utility? The normal xenstore stubdomain file  
> > (not the ocamel variant) was builded successfully by the build  
> > system. But the build system at now don't seem to build the  
> > init-xenstore-domain utility so I thought I have to compile it  
> > seperately.
> > Hope that someone can help me out.
> >
> > Best Regards
> >
> >
> > _______________________________________________
> > Xen-devel mailing list
> > Xen-devel@xxxxxxxxxxxxx
> > http://lists.xen.org/xen-devel
>
> --
> Daniel De Graaf
> National Security Agency
Hello Daniel,

this command worked and I could compile an executable. Thanks for your help :)

Best Regards


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