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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