Re: [Qemu-devel] qemu-seccomp.c:216: error: '__NR_getcpu' undeclared here (not in a function)

[Andrew Jones <drjones@redhat.com>]

On Sat, Dec 05, 2015 at 11:50:36AM +0000, Paul Roland wrote:
> Hi there, I am trying to create an rpm package out of qemu 2.4.1, thought
> maybe it's something obvious and somebody could guide me in the right
> direction
> 
> As soon as I add --enable-seccomp I get this error on compilation:
> 
> qemu-seccomp.c:216: error: '__NR_getcpu' undeclared here (not in a function)
> make: *** [qemu-seccomp.o] Error 1
> make: *** Waiting for unfinished jobs....
> 
> Other relevant info:
> 
> [root@devel SPECS]# rpm -qa | grep secc
> libseccomp-2.2.3-0.fc23.x86_64
> libseccomp-devel-2.2.3-0.fc23.x86_64
> [root@devel SPECS]#

The issue doesn't reproduce for me when just building v2.4.1 from the source
dir, using your configure line below. I built on an up-to-date F23 guest
using the same libseccomp packages you point out above.

Maybe it's something with the rpmbuild? Somehow not including kernel
headers?

drew


> 
> + ./configure '--extra-cflags=-O2 -g -pipe -fexceptions -fstack-protector
> --param=ssp-buffer-size=4 -m64 -mtune=generic -fPIE -DPIE' --prefix=/usr
> --libdir=/usr/lib64 --sysconfdir=/etc --interp-prefix=/usr/qemu-%M
> --with-confsuffix=/qemu-kvm --localstatedir=/var --libexecdir=/usr/libexec
> --target-list=x86_64-softmmu --disable-qom-cast-debug --disable-vhdx
> --disable-libssh2 --disable-glusterfs --enable-seccomp --disable-usb-redir
> --disable-libusb --disable-smartcard-nss --disable-libiscsi --disable-spice
> --disable-docs --disable-vde --disable-guest-base --disable-bsd-user
> --disable-rdma --disable-slirp --disable-bluez --disable-fdt --disable-curl
> --disable-curses --disable-vnc-png --disable-vnc-jpeg --disable-vnc-sasl
> --disable-vnc-tls --disable-brlapi --disable-xen-pci-passthrough
> --disable-xen --disable-cocoa --disable-virtfs --disable-gtk --disable-sdl
> --disable-debug-info --disable-debug-tcg --enable-vhost-net --enable-kvm
> --enable-linux-user --disable-cap-ng
> --block-drv-rw-whitelist=qcow2,raw,file,host_device
> --block-drv-ro-whitelist=vmdk,vhdx,vpc --enable-guest-agent
> --enable-libssh2 --enable-numa --enable-coroutine-pool --disable-tpm
> --disable-snappy --disable-bzip2 --disable-lzo --disable-vnc-tls
> --disable-gnutls --disable-vte
> Install prefix    /usr
> BIOS directory    /usr/share/qemu-kvm
> binary directory  /usr/bin
> library directory /usr/lib64
> module directory  /usr/lib64/qemu-kvm
> libexec directory /usr/libexec
> include directory /usr/include
> config directory  /etc
> local state directory   /var
> Manual directory  /usr/share/man
> ELF interp prefix /usr/qemu-%M
> Source path       /root/rpmbuild/BUILD/qemu-2.4.1
> C compiler        cc
> Host C compiler   cc
> C++ compiler      c++
> Objective-C compiler cc
> ARFLAGS           rv
> CFLAGS            -O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -pthread
> -I/usr/include/glib-2.0 -I/usr/lib64/glib-2.0/include
> QEMU_CFLAGS       -I/usr/include/pixman-1    -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  -O2 -g -pipe -fexceptions
> -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -fPIE -DPIE
> -Wendif-labels -Wmissing-include-dirs -Wempty-body -Wnested-externs
> -Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers
> -Wold-style-declaration -Wold-style-definition -Wtype-limits
> -fstack-protector-all
> LDFLAGS           -Wl,--warn-common -Wl,-z,relro -Wl,-z,now -pie -m64
> make              make
> install           install
> python            python -B
> module support    no
> host CPU          x86_64
> host big endian   no
> target list       x86_64-softmmu
> tcg debug enabled no
> gprof enabled     no
> sparse enabled    no
> strip binaries    yes
> profiler          no
> static build      no
> pixman            system
> SDL support       no
> GTK support       no
> GNUTLS support    no
> GNUTLS hash       no
> GNUTLS gcrypt     no
> GNUTLS nettle     no ()
> VTE support       no
> curses support    no
> curl support      no
> mingw32 support   no
> Audio drivers     oss
> Block whitelist (rw) qcow2 raw file host_device
> Block whitelist (ro) vmdk vhdx vpc
> VirtFS support    no
> VNC support       yes
> VNC TLS support   no
> VNC SASL support  no
> VNC JPEG support  no
> VNC PNG support   no
> xen support       no
> brlapi support    no
> bluez  support    no
> Documentation     no
> GUEST_BASE        no
> PIE               yes
> vde support       no
> netmap support    no
> Linux AIO support yes
> ATTR/XATTR support yes
> Install blobs     yes
> KVM support       yes
> RDMA support      no
> TCG interpreter   no
> fdt support       no
> preadv support    yes
> fdatasync         yes
> madvise           yes
> posix_madvise     yes
> sigev_thread_id   yes
> uuid support      yes
> libcap-ng support no
> vhost-net support yes
> vhost-scsi support yes
> Trace backends    nop
> spice support     no
> rbd support       no
> xfsctl support    no
> nss used          no
> libusb            no
> usb net redir     no
> OpenGL support    no
> libiscsi support  no
> libnfs support    no
> build guest agent yes
> QGA VSS support   no
> QGA w32 disk info no
> seccomp support   yes
> coroutine backend ucontext
> coroutine pool    yes
> GlusterFS support no
> Archipelago support no
> gcov              gcov
> gcov enabled      no
> TPM support       no
> libssh2 support   yes
> TPM passthrough   no
> QOM debugging     no
> vhdx              no
> lzo support       no
> snappy support    no
> bzip2 support     no
> NUMA host support yes
> tcmalloc support  no