Re: [Xen-users] Problem compiling Xen-4.7 with qemu-traditional for IGD passthrough

[Roger Pau Monné <roger.pau@xxxxxxxxxx>]

On Thu, Jan 05, 2017 at 02:21:40PM -0500, Bill Mccabe wrote:
> Thanks, those rules are extremely helpful and have helped me get
> through many build errors. Now I am getting another one though:
> 
> 
> cc 
> -I/usr/local/src/xen-4.7.0/debian/build/build-utils_amd64/tools/qemu-xen-dir/tcg
> -I/usr/local/src/xen-4.7.0/debian/build/build-utils_amd64/tools/qemu-xen-dir/tcg/i386
> -I/usr/local/src/xen-4.7.0/debian/build/build-utils_amd64/tools/qemu-xen-dir/linux-headers
> -I/usr/local/src/xen-4.7.0/debian/build/build-utils_amd64/tools/qemu-xen-dir/linux-headers
> -I. 
> -I/usr/local/src/xen-4.7.0/debian/build/build-utils_amd64/tools/qemu-xen-dir
> -I/usr/local/src/xen-4.7.0/debian/build/build-utils_amd64/tools/qemu-xen-dir/include
> -Ihw/9pfs -Ihw/9pfs -I/usr/include/pixman-1  -Werror -fPIE -DPIE -m64
> -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE
> -Wstrict-prototypes -Wredundant-decls -Wall -Wundef -Wwrite-strings
> -Wmissing-prototypes -fno-strict-aliasing -fno-common
> -DXC_WANT_COMPAT_EVTCHN_API=1   -DXC_WANT_COMPAT_GNTTAB_API=1
> -DXC_WANT_COMPAT_MAP_FOREIGN_API=1
> -I/usr/local/src/xen-4.7.0/debian/build/build-utils_amd64/tools/../tools/include
>        
> -I/usr/local/src/xen-4.7.0/debian/build/build-utils_amd64/tools/../tools/libs/toollog/include
>  
> -I/usr/local/src/xen-4.7.0/debian/build/build-utils_amd64/tools/../tools/libs/evtchn/include
>     
> -I/usr/local/src/xen-4.7.0/debian/build/build-utils_amd64/tools/../tools/libs/gnttab/include
>    
> -I/usr/local/src/xen-4.7.0/debian/build/build-utils_amd64/tools/../tools/libs/foreignmemory/include
>     
> -I/usr/local/src/xen-4.7.0/debian/build/build-utils_amd64/tools/../tools/libxc/include
>  
> -I/usr/local/src/xen-4.7.0/debian/build/build-utils_amd64/tools/../tools/xenstore/include
>       
> -I/usr/local/src/xen-4.7.0/debian/build/build-utils_amd64/tools/../tools/xenstore/compat/include
>         -Wendif-labels -Wempty-body -Wnested-externs -Wformat-security
> -Wformat-y2k -Winit-self -Wignored-qualifiers -Wold-style-declaration
> -Wold-style-definition -Wtype-limits -fstack-protector-strong
> -I/usr/include/p11-kit-1  -I/usr/include/p11-kit-1
> -I/usr/include/libpng16 -I/usr/include/spice-server
> -I/usr/include/spice-1 -I/usr/include/libusb-1.0
> -I/usr/local/src/xen-4.7.0/debian/build/build-utils_amd64/tools/qemu-xen-dir/tests
> -MMD -MP -MT hw/9pfs/virtio-9p-local.o -MF hw/9pfs/virtio-9p-local.d
> -O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -pthread
> -I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include
> -g   -c -o hw/9pfs/virtio-9p-local.o hw/9pfs/virtio-9p-local.c
> hw/9pfs/virtio-9p-local.c: In function ‘local_readdir_r’:
> hw/9pfs/virtio-9p-local.c:396:5: error: ‘readdir_r’ is deprecated
> [-Werror=deprecated-declarations]
>      ret = readdir_r(fs->dir, entry, result);
>      ^~~
> In file included from /usr/include/features.h:364:0,
>                  from /usr/include/stdio.h:27,
>                  from
> /usr/local/src/xen-4.7.0/debian/build/build-utils_amd64/tools/qemu-xen-dir/include/qemu/fprintf-fn.h:12,
>                  from
> /usr/local/src/xen-4.7.0/debian/build/build-utils_amd64/tools/qemu-xen-dir/include/qemu-common.h:18,
>                  from
> /usr/local/src/xen-4.7.0/debian/build/build-utils_amd64/tools/qemu-xen-dir/include/hw/hw.h:5,
>                  from
> /usr/local/src/xen-4.7.0/debian/build/build-utils_amd64/tools/qemu-xen-dir/include/hw/virtio/virtio.h:17,
>                  from hw/9pfs/virtio-9p-local.c:14:
> /usr/include/dirent.h:189:12: note: declared here
>  extern int __REDIRECT (readdir_r,
>             ^
> cc1: all warnings being treated as errors

Please do not top-post. Looks like you are using glib >= 2.24, you will need
(at least) this patch series for QEMU:

https://lists.gnu.org/archive/html/qemu-devel/2016-06/msg00675.html

(or else disable treating warnings as errors).

Roger.


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