virtfs-proxy-helper fails due to bogus libattr test

* virtfs-proxy-helper fails due to bogus libattr test
@ 2021-01-12  9:51 Olaf Hering
  2021-01-12 12:26 ` Christian Schoenebeck via
  0 siblings, 1 reply; 7+ messages in thread
From: Olaf Hering @ 2021-01-12  9:51 UTC (permalink / raw)
  To: qemu-devel

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Depending on the build environment, the meson test to find a suitable libattr fails. Something appends -O0 to CFLAGS.

I see no "-O0" in qemu.git. This is a regression, it worked in 553032db17440f8de011390e5a1cfddd13751b0b.

Does anyone happen to know what is causing this?

Olaf

./configure --host=x86_64-suse-linux-gnu --build=x86_64-suse-linux-gnu --program-prefix= --disable-dependency-tracking --prefix=/usr --exec-prefix=/usr --bindir=/usr/bin --sbindir=/usr/sbin --sysconfdir=/etc --datadir=/usr/share --includedir=/usr/include --libdir=/usr/lib64 --libexecdir=/usr/libexec --localstatedir=/var --sharedstatedir=/var/lib --mandir=/usr/share/man --infodir=/usr/share/info --disable-dependency-tracking --cc=/usr/bin/gcc-10 --host-cc=/usr/bin/gcc-10 --cxx=/usr/bin/g++-10 --docdir=/usr/share/doc/packages --firmwarepath=/usr/share/qemu/firmware '--target-list=i386-softmmu x86_64-softmmu' '--audio-drv-list=alsa pa' --iasl=/usr/bin/iasl --install=/usr/bin/install --objcc=/usr/bin/false --python=/usr/bin/python3 --ninja=/usr/bin/ninja --tls-priority=NORMAL --with-git=/usr/bin/false --with-suffix=qemu --disable-docs --disable-gtk --disable-libnfs --disable-opengl --disable-rbd --disable-spice --disable-virglrenderer --disable-vte --enable-attr --disable-brlapi --disable-bsd-user --enable-bzip2 --enable-cap-ng --disable-capstone --disable-cocoa --enable-coroutine-pool --disable-crypto-afalg --enable-curl --enable-curses --disable-debug-info --disable-debug-mutex --disable-debug-tcg --with-default-devices --enable-docs --disable-fdt --enable-gcrypt --enable-gettext --disable-git-update --disable-glusterfs --enable-gnutls --enable-gtk --enable-guest-agent --disable-guest-agent-msi --disable-hax --disable-hvf --enable-iconv --disable-jemalloc --disable-keyring --enable-kvm --disable-libdaxctl --disable-libiscsi --enable-libnfs --enable-libssh --enable-libusb --enable-libxml2 --enable-linux-aio --disable-linux-user --enable-live-block-migration --disable-lzo --disable-lzfse --disable-malloc-trim --disable-membarrier --enable-modules --disable-mpath --disable-netmap --disable-nettle --enable-numa --enable-opengl --enable-pie --enable-plugins --disable-qom-cast-debug --enable-rbd --disable-rdma --enable-replication --enable-rng-none --disable-safe-stack --disable-sanitizers --disable-sdl --disable-sdl-image --disable-seccomp --disable-slirp --disable-smartcard --disable-snappy --disable-sparse --enable-spice --enable-stack-protector --disable-strip --enable-system --enable-tcg --disable-tcg-interpreter --disable-tcmalloc --enable-tools --disable-tpm --disable-tsan --disable-u2f --enable-usb-redir --disable-user --enable-vde --enable-vhost-crypto --enable-vhost-net --enable-vhost-scsi --enable-vhost-user --enable-vhost-user-fs --enable-vhost-vsock --enable-virglrenderer --enable-virtfs --disable-virtiofsd --enable-vnc --disable-vnc-jpeg --enable-vnc-png --disable-vnc-sasl --enable-vte --disable-werror --disable-whpx --enable-xen --enable-xen-pci-passthrough --enable-xfsctl
....
[  223s] Run-time dependency libnfs found: YES 4.0.0
[  223s] None of 'CC_LD' are defined in the environment, not changing global flags.
[  223s] Running compile:
[  223s] Working directory:  /home/abuild/rpmbuild/BUILD/qemu-20210111T151535.b3f846c59d/build/meson-private/tmpg908fqs3
[  223s] Command line:  /usr/bin/gcc-10 -I/usr/include/ncursesw /home/abuild/rpmbuild/BUILD/qemu-20210111T151535.b3f846c59d/build/meson-private/tmpg908fqs3/testfile.c -o /home/abuild/rpmbuild/BUILD/qemu-20210111T151535.b3f846c59d/build/meson-private/tmpg908fqs3/output.exe -pipe -O2 -Wall -D_FORTIFY_SOURCE=2 -fstack-protector-strong -funwind-tables -fasynchronous-unwind-tables -fstack-clash-protection -Werror=return-type -g -D_FILE_OFFSET_BITS=64 -O0 -std=gnu99 
[  223s] 
[  223s] Code:
[  223s]  
[  223s]   #include <stddef.h>
[  223s]   #include <sys/types.h>
[  223s]   #ifdef CONFIG_LIBATTR
[  223s]   #include <attr/xattr.h>
[  223s]   #else
[  223s]   #include <sys/xattr.h>
[  223s]   #endif
[  223s]   int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
[  223s] Compiler stdout:
[  223s]  
[  223s] Compiler stderr:
[  223s]  In file included from /usr/include/sys/types.h:25,
[  223s]                  from /home/abuild/rpmbuild/BUILD/qemu-20210111T151535.b3f846c59d/build/meson-private/tmpg908fqs3/testfile.c:3:
[  223s] /usr/include/features.h:397:4: warning: #warning _FORTIFY_SOURCE requires compiling with optimization (-O) [-Wcpp]
[  223s]   397 | #  warning _FORTIFY_SOURCE requires compiling with optimization (-O)
[  223s]       |    ^~~~~~~
[  223s] 
[  223s] Dependency libseccomp skipped: feature seccomp disabled
....

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