On Tue, 17 Aug 2010, Gianni Tedesco (3P) wrote:
> On Tue, 2010-08-17 at 06:51 +0100, Jiang, Yunhong wrote:
> > I always failed to build the xen in my enironment, with following error (my
> > gcc version is 4.1.2):
> >
> > > gcc -O1 -fno-omit-frame-pointer -fno-optimize-sibling-calls -m64 -g
> > > -fno-strict-aliasing -std=gnu99 -Wall -Wstrict-prototypes
> > > -Wno-unused-value
> > > -Wdeclaration-after-statement -D__XEN_TOOLS__ -MMD
> > > -MF .libxenlight.so.1.0.0.d -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE
> > > -Werror -Wno-format-zero-length -I. -fPIC -I../../tools/libxc
> > > -I../../tools/include
> > > -I../../tools/libxc -I../../tools/include -I../../tools/xenstore
> > > -I../../tools/include
> > > -I../../tools/blktap2/control -I../../tools/blktap2/include
> > > -I../../tools/include
> > > -Wl,-soname -Wl,libxenlight.so.1.0 -shared -o libxenlight.so.1.0.0
> > > flexarray.o
> > > libxl.o libxl_pci.o libxl_dom.o libxl_exec.o libxl_xshelp.o libxl_device.o
> > > libxl_internal.o xenguest.o libxl_utils.o osdeps.o libxl_paths.o
> > > libxl_bootloader.o libxl_blktap2.o
> > > /usr/bin/ld: libxl_dom.o: relocation R_X86_64_PC32 against
> > > `hvm_build_set_params' can not be used when making a shared object;
> > > recompile with -fPIC
> > > /usr/bin/ld: final link failed: Bad value
> > > collect2: ld returned 1 exit status
> > > make: *** [libxenlight.so.1.0.0] Error 1
> >
> > I suspect it is caused by changeset 21966, which add the hidden
> > attribute, but didn't update the tools/libxl/xenguest.c. Following
> > patch fix it, but I'm not sure if is right solution, can you please
> > have a look?
> >
> > diff -r 6469a683b174 tools/libxl/xenguest.c
> > --- a/tools/libxl/xenguest.c Mon Aug 16 18:05:07 2010 +0100
> > +++ b/tools/libxl/xenguest.c Tue Aug 17 13:53:13 2010 +0800
> > @@ -20,6 +20,7 @@
> > #include <string.h>
> >
> > #include "libxl.h"
> > +#include "libxl_internal.h"
> >
> > int hvm_build_set_params(xc_interface *handle, uint32_t domid,
> > libxl_domain_build_info *info,
>
> This looks like the correct fix to me.
>
> Somehow gcc 4.4.3 managed to work, but I don't understand how it could
> possibly have:
>
> 183: 000000000001725c 357 FUNC LOCAL HIDDEN 12 hvm_build_set_params
>
> Can you apply this Stefano?
Yes, I also think this is the correct fix.
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