Hi
On Thu, Oct 7, 2021 at 5:28 PM Paolo Bonzini <pbonz...@redhat.com> wrote:
> Right now meson_options.txt lists about 90 options. Each option
> needs code in configure to parse it and pass the option down to Meson as
> a -D command-line argument; in addition the default must be duplicated
> between configure and meson_options.txt. This series tries to remove
> the code duplication by generating the case statement for those --enable
> and --disable options, as well as the corresponding help text.
>
> About 80% of the options can be handled completely by the new mechanism.
> Eight meson options are not of the --enable/--disable kind. Six more need
> to be parsed in configure for various reasons documented in the patch,
> but they still have their help automatically generated.
>
> The advantages are:
>
> - less code in configure
>
> - parsing and help is more consistent (for example --enable-blobs was
> not supported)
>
> - options are described entirely in one place, meson_options.txt.
> This make it more attractive to use Meson options instead of
> hand-crafted configure options and config-host.mak
>
> A few options change name: --enable-tcmalloc and --enable-jemalloc
> become --enable-malloc={tcmalloc,jemalloc}; --disable-blobs becomes
> --disable-install-blobs; --enable-trace-backend becomes
> --enable-trace-backends.
>
> Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
>
I have not investigated why, but this broke at least
--enable-trace-backend=log for me:
ERROR: unknown option --enable-trace-backend=log
---
> configure | 540 ++--------------------------------
> docs/devel/build-system.rst | 133 +++++----
> meson_options.txt | 8 +
> scripts/meson-buildoptions.py | 92 ++++++
> scripts/meson-buildoptions.sh | 256 ++++++++++++++++
> 5 files changed, 449 insertions(+), 580 deletions(-)
>
> diff --git a/configure b/configure
> index d979476e03..4e1dfbea14 100755
> --- a/configure
> +++ b/configure
> @@ -286,41 +286,8 @@ for opt do
> esac
> done
>
> -brlapi="auto"
> -curl="auto"
> -iconv="auto"
> -curses="auto"
> -docs="auto"
> -fdt="auto"
> -netmap="auto"
> -sdl="auto"
> -sdl_image="auto"
> -virtiofsd="auto"
> -virtfs="auto"
> -libudev="auto"
> -mpath="auto"
> -vnc="auto"
> -sparse="auto"
> -vde="auto"
> -vnc_sasl="auto"
> -vnc_jpeg="auto"
> -vnc_png="auto"
> -xkbcommon="auto"
> -alsa="auto"
> -coreaudio="auto"
> -dsound="auto"
> -jack="auto"
> -oss="auto"
> -pa="auto"
> -xen=${default_feature:+disabled}
> xen_ctrl_version="$default_feature"
> -xen_pci_passthrough="auto"
> -linux_aio="auto"
> -linux_io_uring="auto"
> -cap_ng="auto"
> -attr="auto"
> xfs="$default_feature"
> -tcg="enabled"
> membarrier="$default_feature"
> vhost_kernel="$default_feature"
> vhost_net="$default_feature"
> @@ -328,15 +295,8 @@ vhost_crypto="$default_feature"
> vhost_scsi="$default_feature"
> vhost_vsock="$default_feature"
> vhost_user="no"
> -vhost_user_blk_server="auto"
> vhost_user_fs="$default_feature"
> vhost_vdpa="$default_feature"
> -bpf="auto"
> -kvm="auto"
> -hax="auto"
> -hvf="auto"
> -whpx="auto"
> -nvmm="auto"
> rdma="$default_feature"
> pvrdma="$default_feature"
> gprof="no"
> @@ -346,7 +306,6 @@ sanitizers="no"
> tsan="no"
> fortify_source="$default_feature"
> strip_opt="yes"
> -tcg_interpreter="false"
> mingw32="no"
> gcov="no"
> EXESUF=""
> @@ -354,62 +313,32 @@ modules="no"
> module_upgrades="no"
> prefix="/usr/local"
> qemu_suffix="qemu"
> -slirp="auto"
> bsd="no"
> linux="no"
> solaris="no"
> profiler="no"
> -cocoa="auto"
> softmmu="yes"
> linux_user="no"
> bsd_user="no"
> -blobs="true"
> pkgversion=""
> pie=""
> qom_cast_debug="yes"
> trace_backends="log"
> trace_file="trace"
> -spice="auto"
> -spice_protocol="auto"
> -rbd="auto"
> -smartcard="auto"
> -u2f="auto"
> -libusb="auto"
> -usb_redir="auto"
> opengl="$default_feature"
> cpuid_h="no"
> avx2_opt="$default_feature"
> -capstone="auto"
> -lzo="auto"
> -snappy="auto"
> -bzip2="auto"
> -lzfse="auto"
> -zstd="auto"
> guest_agent="$default_feature"
> guest_agent_with_vss="no"
> guest_agent_ntddscsi="no"
> -guest_agent_msi="auto"
> vss_win32_sdk="$default_feature"
> win_sdk="no"
> want_tools="$default_feature"
> -libiscsi="auto"
> -libnfs="auto"
> coroutine=""
> coroutine_pool="$default_feature"
> debug_stack_usage="no"
> crypto_afalg="no"
> -cfi="false"
> -cfi_debug="false"
> -seccomp="auto"
> -glusterfs="auto"
> -gtk="auto"
> tls_priority="NORMAL"
> -gnutls="auto"
> -nettle="auto"
> -gcrypt="auto"
> -auth_pam="auto"
> -vte="auto"
> -virglrenderer="auto"
> tpm="$default_feature"
> libssh="$default_feature"
> live_block_migration=${default_feature:-yes}
> @@ -427,24 +356,34 @@ qed=${default_feature:-yes}
> parallels=${default_feature:-yes}
> libxml2="auto"
> debug_mutex="no"
> -libpmem="auto"
> -default_devices="true"
> plugins="$default_feature"
> -fuzzing="false"
> rng_none="no"
> secret_keyring="$default_feature"
> libdaxctl="auto"
> meson=""
> +meson_args=""
> ninja=""
> +gio="$default_feature"
> skip_meson=no
> -gettext="auto"
> -fuse="auto"
> -fuse_lseek="auto"
> -multiprocess="auto"
> slirp_smbd="$default_feature"
>
> -malloc_trim="auto"
> -gio="$default_feature"
> +# The following Meson options are handled manually (still they
> +# are included in the automatically generated help message)
> +
> +# 1. Track which submodules are needed
> +capstone="auto"
> +fdt="auto"
> +slirp="auto"
> +
> +# 2. Support --with/--without option
> +default_devices="true"
> +
> +# 3. Automatically enable/disable other options
> +tcg="enabled"
> +cfi="false"
> +
> +# 4. Detection partly done in configure
> +xen=${default_feature:+disabled}
>
> # parse CC options second
> for opt do
> @@ -874,11 +813,6 @@ for opt do
> error_exit "Can't mix --target-list-exclude with
> --target-list"
> fi
> ;;
> - --enable-trace-backends=*) trace_backends="$optarg"
> - ;;
> - # XXX: backwards compatibility
> - --enable-trace-backend=*) trace_backends="$optarg"
> - ;;
> --with-trace-file=*) trace_file="$optarg"
> ;;
> --with-default-devices) default_devices="true"
> @@ -941,42 +875,10 @@ for opt do
> # configure to be used by RPM and similar macros that set
> # lots of directory switches by default.
> ;;
> - --disable-sdl) sdl="disabled"
> - ;;
> - --enable-sdl) sdl="enabled"
> - ;;
> - --disable-sdl-image) sdl_image="disabled"
> - ;;
> - --enable-sdl-image) sdl_image="enabled"
> - ;;
> --disable-qom-cast-debug) qom_cast_debug="no"
> ;;
> --enable-qom-cast-debug) qom_cast_debug="yes"
> ;;
> - --disable-virtfs) virtfs="disabled"
> - ;;
> - --enable-virtfs) virtfs="enabled"
> - ;;
> - --disable-libudev) libudev="disabled"
> - ;;
> - --enable-libudev) libudev="enabled"
> - ;;
> - --disable-virtiofsd) virtiofsd="disabled"
> - ;;
> - --enable-virtiofsd) virtiofsd="enabled"
> - ;;
> - --disable-mpath) mpath="disabled"
> - ;;
> - --enable-mpath) mpath="enabled"
> - ;;
> - --disable-vnc) vnc="disabled"
> - ;;
> - --enable-vnc) vnc="enabled"
> - ;;
> - --disable-gettext) gettext="disabled"
> - ;;
> - --enable-gettext) gettext="enabled"
> - ;;
> --audio-drv-list=*) audio_drv_list="$optarg"
> ;;
> --block-drv-rw-whitelist=*|--block-drv-whitelist=*)
> block_drv_rw_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
> @@ -1007,24 +909,8 @@ for opt do
> ;;
> --disable-tsan) tsan="no"
> ;;
> - --enable-sparse) sparse="enabled"
> - ;;
> - --disable-sparse) sparse="disabled"
> - ;;
> --disable-strip) strip_opt="no"
> ;;
> - --disable-vnc-sasl) vnc_sasl="disabled"
> - ;;
> - --enable-vnc-sasl) vnc_sasl="enabled"
> - ;;
> - --disable-vnc-jpeg) vnc_jpeg="disabled"
> - ;;
> - --enable-vnc-jpeg) vnc_jpeg="enabled"
> - ;;
> - --disable-vnc-png) vnc_png="disabled"
> - ;;
> - --enable-vnc-png) vnc_png="enabled"
> - ;;
> --disable-slirp) slirp="disabled"
> ;;
> --enable-slirp) slirp="enabled"
> @@ -1033,113 +919,17 @@ for opt do
> ;;
> --enable-slirp=*) slirp="$optarg"
> ;;
> - --disable-vde) vde="disabled"
> - ;;
> - --enable-vde) vde="enabled"
> - ;;
> - --disable-netmap) netmap="disabled"
> - ;;
> - --enable-netmap) netmap="enabled"
> - ;;
> --disable-xen) xen="disabled"
> ;;
> --enable-xen) xen="enabled"
> ;;
> - --disable-xen-pci-passthrough) xen_pci_passthrough="disabled"
> - ;;
> - --enable-xen-pci-passthrough) xen_pci_passthrough="enabled"
> - ;;
> - --disable-alsa) alsa="disabled"
> - ;;
> - --enable-alsa) alsa="enabled"
> - ;;
> - --disable-coreaudio) coreaudio="disabled"
> - ;;
> - --enable-coreaudio) coreaudio="enabled"
> - ;;
> - --disable-dsound) dsound="disabled"
> - ;;
> - --enable-dsound) dsound="enabled"
> - ;;
> - --disable-jack) jack="disabled"
> - ;;
> - --enable-jack) jack="enabled"
> - ;;
> - --disable-oss) oss="disabled"
> - ;;
> - --enable-oss) oss="enabled"
> - ;;
> - --disable-pa) pa="disabled"
> - ;;
> - --enable-pa) pa="enabled"
> - ;;
> - --disable-brlapi) brlapi="disabled"
> - ;;
> - --enable-brlapi) brlapi="enabled"
> - ;;
> - --disable-kvm) kvm="disabled"
> - ;;
> - --enable-kvm) kvm="enabled"
> - ;;
> - --disable-hax) hax="disabled"
> - ;;
> - --enable-hax) hax="enabled"
> - ;;
> - --disable-hvf) hvf="disabled"
> - ;;
> - --enable-hvf) hvf="enabled"
> - ;;
> - --disable-nvmm) nvmm="disabled"
> - ;;
> - --enable-nvmm) nvmm="enabled"
> - ;;
> - --disable-whpx) whpx="disabled"
> - ;;
> - --enable-whpx) whpx="enabled"
> - ;;
> - --disable-tcg-interpreter) tcg_interpreter="false"
> - ;;
> - --enable-tcg-interpreter) tcg_interpreter="true"
> - ;;
> - --disable-cap-ng) cap_ng="disabled"
> - ;;
> - --enable-cap-ng) cap_ng="enabled"
> - ;;
> --disable-tcg) tcg="disabled"
> plugins="no"
> ;;
> --enable-tcg) tcg="enabled"
> ;;
> - --disable-malloc-trim) malloc_trim="disabled"
> - ;;
> - --enable-malloc-trim) malloc_trim="enabled"
> - ;;
> - --disable-spice) spice="no"
> - ;;
> - --enable-spice)
> - spice_protocol="yes"
> - spice="yes"
> - ;;
> - --disable-spice-protocol)
> - spice_protocol="no"
> - spice="no"
> - ;;
> - --enable-spice-protocol) spice_protocol="yes"
> - ;;
> - --disable-libiscsi) libiscsi="disabled"
> - ;;
> - --enable-libiscsi) libiscsi="enabled"
> - ;;
> - --disable-libnfs) libnfs="disabled"
> - ;;
> - --enable-libnfs) libnfs="enabled"
> - ;;
> --enable-profiler) profiler="yes"
> ;;
> - --disable-cocoa) cocoa="disabled"
> - ;;
> - --enable-cocoa) cocoa="enabled"
> - ;;
> --disable-system) softmmu="no"
> ;;
> --enable-system) softmmu="yes"
> @@ -1183,22 +973,6 @@ for opt do
> ;;
> --disable-cfi) cfi="false"
> ;;
> - --enable-cfi-debug) cfi_debug="true"
> - ;;
> - --disable-cfi-debug) cfi_debug="false"
> - ;;
> - --disable-curses) curses="disabled"
> - ;;
> - --enable-curses) curses="enabled"
> - ;;
> - --disable-iconv) iconv="disabled"
> - ;;
> - --enable-iconv) iconv="enabled"
> - ;;
> - --disable-curl) curl="disabled"
> - ;;
> - --enable-curl) curl="enabled"
> - ;;
> --disable-fdt) fdt="disabled"
> ;;
> --enable-fdt) fdt="enabled"
> @@ -1207,28 +981,10 @@ for opt do
> ;;
> --enable-fdt=*) fdt="$optarg"
> ;;
> - --disable-linux-aio) linux_aio="disabled"
> - ;;
> - --enable-linux-aio) linux_aio="enabled"
> - ;;
> - --disable-linux-io-uring) linux_io_uring="disabled"
> - ;;
> - --enable-linux-io-uring) linux_io_uring="enabled"
> - ;;
> - --disable-attr) attr="disabled"
> - ;;
> - --enable-attr) attr="enabled"
> - ;;
> --disable-membarrier) membarrier="no"
> ;;
> --enable-membarrier) membarrier="yes"
> ;;
> - --disable-bpf) bpf="disabled"
> - ;;
> - --enable-bpf) bpf="enabled"
> - ;;
> - --disable-blobs) blobs="false"
> - ;;
> --with-pkgversion=*) pkgversion="$optarg"
> ;;
> --with-coroutine=*) coroutine="$optarg"
> @@ -1243,10 +999,6 @@ for opt do
> ;;
> --disable-crypto-afalg) crypto_afalg="no"
> ;;
> - --disable-docs) docs="disabled"
> - ;;
> - --enable-docs) docs="enabled"
> - ;;
> --disable-vhost-net) vhost_net="no"
> ;;
> --enable-vhost-net) vhost_net="yes"
> @@ -1263,10 +1015,6 @@ for opt do
> ;;
> --enable-vhost-vsock) vhost_vsock="yes"
> ;;
> - --disable-vhost-user-blk-server) vhost_user_blk_server="disabled"
> - ;;
> - --enable-vhost-user-blk-server) vhost_user_blk_server="enabled"
> - ;;
> --disable-vhost-user-fs) vhost_user_fs="no"
> ;;
> --enable-vhost-user-fs) vhost_user_fs="yes"
> @@ -1275,60 +1023,16 @@ for opt do
> ;;
> --enable-opengl) opengl="yes"
> ;;
> - --disable-rbd) rbd="disabled"
> - ;;
> - --enable-rbd) rbd="enabled"
> - ;;
> --disable-xfsctl) xfs="no"
> ;;
> --enable-xfsctl) xfs="yes"
> ;;
> - --disable-smartcard) smartcard="disabled"
> - ;;
> - --enable-smartcard) smartcard="enabled"
> - ;;
> - --disable-u2f) u2f="disabled"
> - ;;
> - --enable-u2f) u2f="enabled"
> - ;;
> - --disable-libusb) libusb="disabled"
> - ;;
> - --enable-libusb) libusb="enabled"
> - ;;
> - --disable-usb-redir) usb_redir="disabled"
> - ;;
> - --enable-usb-redir) usb_redir="enabled"
> - ;;
> --disable-zlib-test)
> ;;
> - --disable-lzo) lzo="disabled"
> - ;;
> - --enable-lzo) lzo="enabled"
> - ;;
> - --disable-snappy) snappy="disabled"
> - ;;
> - --enable-snappy) snappy="enabled"
> - ;;
> - --disable-bzip2) bzip2="disabled"
> - ;;
> - --enable-bzip2) bzip2="enabled"
> - ;;
> - --enable-lzfse) lzfse="enabled"
> - ;;
> - --disable-lzfse) lzfse="disabled"
> - ;;
> - --disable-zstd) zstd="disabled"
> - ;;
> - --enable-zstd) zstd="enabled"
> - ;;
> --enable-guest-agent) guest_agent="yes"
> ;;
> --disable-guest-agent) guest_agent="no"
> ;;
> - --enable-guest-agent-msi) guest_agent_msi="enabled"
> - ;;
> - --disable-guest-agent-msi) guest_agent_msi="disabled"
> - ;;
> --with-vss-sdk) vss_win32_sdk=""
> ;;
> --with-vss-sdk=*) vss_win32_sdk="$optarg"
> @@ -1345,12 +1049,6 @@ for opt do
> ;;
> --disable-tools) want_tools="no"
> ;;
> - --enable-seccomp) seccomp="enabled"
> - ;;
> - --disable-seccomp) seccomp="disabled"
> - ;;
> - --disable-glusterfs) glusterfs="disabled"
> - ;;
> --disable-avx2) avx2_opt="no"
> ;;
> --enable-avx2) avx2_opt="yes"
> @@ -1359,9 +1057,6 @@ for opt do
> ;;
> --enable-avx512f) avx512f_opt="yes"
> ;;
> -
> - --enable-glusterfs) glusterfs="enabled"
> - ;;
> --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
> echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
> ;;
> @@ -1371,28 +1066,8 @@ for opt do
> --enable-uuid|--disable-uuid)
> echo "$0: $opt is obsolete, UUID support is always built" >&2
> ;;
> - --disable-gtk) gtk="disabled"
> - ;;
> - --enable-gtk) gtk="enabled"
> - ;;
> --tls-priority=*) tls_priority="$optarg"
> ;;
> - --disable-gnutls) gnutls="disabled"
> - ;;
> - --enable-gnutls) gnutls="enabled"
> - ;;
> - --disable-nettle) nettle="disabled"
> - ;;
> - --enable-nettle) nettle="enabled"
> - ;;
> - --disable-gcrypt) gcrypt="disabled"
> - ;;
> - --enable-gcrypt) gcrypt="enabled"
> - ;;
> - --disable-auth-pam) auth_pam="disabled"
> - ;;
> - --enable-auth-pam) auth_pam="enabled"
> - ;;
> --enable-rdma) rdma="yes"
> ;;
> --disable-rdma) rdma="no"
> @@ -1401,14 +1076,6 @@ for opt do
> ;;
> --disable-pvrdma) pvrdma="no"
> ;;
> - --disable-vte) vte="disabled"
> - ;;
> - --enable-vte) vte="enabled"
> - ;;
> - --disable-virglrenderer) virglrenderer="disabled"
> - ;;
> - --enable-virglrenderer) virglrenderer="enabled"
> - ;;
> --disable-tpm) tpm="no"
> ;;
> --enable-tpm) tpm="yes"
> @@ -1425,18 +1092,6 @@ for opt do
> ;;
> --enable-numa) numa="yes"
> ;;
> - --disable-libxml2) libxml2="disabled"
> - ;;
> - --enable-libxml2) libxml2="enabled"
> - ;;
> - --disable-tcmalloc) tcmalloc="no"
> - ;;
> - --enable-tcmalloc) tcmalloc="yes"
> - ;;
> - --disable-jemalloc) jemalloc="no"
> - ;;
> - --enable-jemalloc) jemalloc="yes"
> - ;;
> --disable-replication) replication="no"
> ;;
> --enable-replication) replication="yes"
> @@ -1502,14 +1157,6 @@ for opt do
> ;;
> --disable-debug-mutex) debug_mutex=no
> ;;
> - --enable-libpmem) libpmem="enabled"
> - ;;
> - --disable-libpmem) libpmem="disabled"
> - ;;
> - --enable-xkbcommon) xkbcommon="enabled"
> - ;;
> - --disable-xkbcommon) xkbcommon="disabled"
> - ;;
> --enable-plugins) if test "$mingw32" = "yes"; then
> error_exit "TCG plugins not currently supported
> on Windows platforms"
> else
> @@ -1522,10 +1169,6 @@ for opt do
> ;;
> --disable-containers) use_containers="no"
> ;;
> - --enable-fuzzing) fuzzing=true
> - ;;
> - --disable-fuzzing) fuzzing=false
> - ;;
> --gdb=*) gdb_bin="$optarg"
> ;;
> --enable-rng-none) rng_none=yes
> @@ -1536,22 +1179,6 @@ for opt do
> ;;
> --disable-keyring) secret_keyring="no"
> ;;
> - --enable-libdaxctl) libdaxctl="enabled"
> - ;;
> - --disable-libdaxctl) libdaxctl="disabled"
> - ;;
> - --enable-fuse) fuse="enabled"
> - ;;
> - --disable-fuse) fuse="disabled"
> - ;;
> - --enable-fuse-lseek) fuse_lseek="enabled"
> - ;;
> - --disable-fuse-lseek) fuse_lseek="disabled"
> - ;;
> - --enable-multiprocess) multiprocess="enabled"
> - ;;
> - --disable-multiprocess) multiprocess="disabled"
> - ;;
> --enable-gio) gio=yes
> ;;
> --disable-gio) gio=no
> @@ -1714,9 +1341,6 @@ for config in $mak_wilds; do
> fi
> done
>
> -# Enumerate public trace backends for --help output
> -trace_backend_list=$(echo $(grep -le '^PUBLIC = True$'
> "$source_path"/scripts/tracetool/backend/*.py | sed -e
> 's/^.*\/\(.*\)\.py$/\1/'))
> -
> if test x"$show_help" = x"yes" ; then
> cat << EOF
>
> @@ -1793,18 +1417,12 @@ Advanced options (experts only):
> (by default affects only QEMU, not tools like
> qemu-img)
> --enable-block-drv-whitelist-in-tools
> use block whitelist also in tools instead of
> only QEMU
> - --enable-trace-backends=B Set trace backend
> - Available backends: $trace_backend_list
> --with-trace-file=NAME Full PATH,NAME of file to store traces
> Default:trace-<pid>
> - --disable-slirp disable SLIRP userspace network connectivity
> - --enable-tcg-interpreter enable TCI (TCG with bytecode interpreter,
> experimental and slow)
> - --enable-malloc-trim enable libc malloc_trim() for memory
> optimization
> --cpu=CPU Build for host CPU [$cpu]
> --with-coroutine=BACKEND coroutine backend. Supported options:
> ucontext, sigaltstack, windows
> --enable-gcov enable test coverage analysis with gcov
> - --disable-blobs disable installing provided firmware blobs
> --with-vss-sdk=SDK-path enable Windows VSS support in QEMU Guest Agent
> --with-win-sdk=SDK-path path to Windows Platform SDK (to build VSS
> .tlb)
> --tls-priority default TLS protocol/cipher priority string
> @@ -1823,9 +1441,7 @@ cat << EOF
> user supported user emulation targets
> linux-user all linux usermode emulation targets
> bsd-user all BSD usermode emulation targets
> - docs build documentation
> guest-agent build the QEMU Guest Agent
> - guest-agent-msi build guest agent Windows MSI installation package
> pie Position Independent Executables
> modules modules support (non-Windows)
> module-upgrades try to load modules from alternate paths for upgrades
> @@ -1835,98 +1451,26 @@ cat << EOF
> sparse sparse checker
> safe-stack SafeStack Stack Smash Protection. Depends on
> clang/llvm >= 3.7 and requires coroutine backend
> ucontext.
> - cfi Enable Control-Flow Integrity for indirect function
> calls.
> - In case of a cfi violation, QEMU is terminated with
> SIGILL
> - Depends on lto and is incompatible with modules
> - Automatically enables Link-Time Optimization (lto)
> - cfi-debug In case of a cfi violation, a message containing the
> line that
> - triggered the error is written to stderr. After the
> error,
> - QEMU is still terminated with SIGILL
> - gnutls GNUTLS cryptography support
> - nettle nettle cryptography support
> - gcrypt libgcrypt cryptography support
> - auth-pam PAM access control
> - sdl SDL UI
> - sdl-image SDL Image support for icons
> - gtk gtk UI
> - vte vte support for the gtk UI
> - curses curses UI
> - iconv font glyph conversion support
> - vnc VNC UI support
> - vnc-sasl SASL encryption for VNC server
> - vnc-jpeg JPEG lossy compression for VNC server
> - vnc-png PNG compression for VNC server
> - cocoa Cocoa UI (Mac OS X only)
> - virtfs VirtFS
> - virtiofsd build virtiofs daemon (virtiofsd)
> - libudev Use libudev to enumerate host devices
> - mpath Multipath persistent reservation passthrough
> - xen xen backend driver support
> - xen-pci-passthrough PCI passthrough support for Xen
> - alsa ALSA sound support
> - coreaudio CoreAudio sound support
> - dsound DirectSound sound support
> - jack JACK sound support
> - oss OSS sound support
> - pa PulseAudio sound support
> - brlapi BrlAPI (Braile)
> - curl curl connectivity
> membarrier membarrier system call (for Linux 4.14+ or Windows)
> - fdt fdt device tree
> - kvm KVM acceleration support
> - hax HAX acceleration support
> - hvf Hypervisor.framework acceleration support
> - nvmm NVMM acceleration support
> - whpx Windows Hypervisor Platform acceleration support
> rdma Enable RDMA-based migration
> pvrdma Enable PVRDMA support
> - vde support for vde network
> - netmap support for netmap network
> - linux-aio Linux AIO support
> - linux-io-uring Linux io_uring support
> - cap-ng libcap-ng support
> - attr attr and xattr support
> vhost-net vhost-net kernel acceleration support
> vhost-vsock virtio sockets device support
> vhost-scsi vhost-scsi kernel target support
> vhost-crypto vhost-user-crypto backend support
> vhost-kernel vhost kernel backend support
> vhost-user vhost-user backend support
> - vhost-user-blk-server vhost-user-blk server support
> vhost-vdpa vhost-vdpa kernel backend support
> - bpf BPF kernel support
> - spice spice
> - spice-protocol spice-protocol
> - rbd rados block device (rbd)
> - libiscsi iscsi support
> - libnfs nfs support
> - smartcard smartcard support (libcacard)
> - u2f U2F support (u2f-emu)
> - libusb libusb (for usb passthrough)
> live-block-migration Block migration in the main migration stream
> - usb-redir usb network redirection support
> - lzo support of lzo compression library
> - snappy support of snappy compression library
> - bzip2 support of bzip2 compression library
> - (for reading bzip2-compressed dmg images)
> - lzfse support of lzfse compression library
> - (for reading lzfse-compressed dmg images)
> - zstd support for zstd compression library
> - (for migration compression and qcow2 cluster
> compression)
> - seccomp seccomp support
> coroutine-pool coroutine freelist (better performance)
> - glusterfs GlusterFS backend
> tpm TPM support
> libssh ssh block device support
> numa libnuma support
> libxml2 for Parallels image format
> - tcmalloc tcmalloc support
> - jemalloc jemalloc support
> avx2 AVX2 optimization support
> avx512f AVX512F optimization support
> replication replication support
> opengl opengl support
> - virglrenderer virgl rendering support
> xfsctl xfsctl support
> qom-cast-debug cast debugging support
> tools build qemu-io, qemu-nbd and qemu-img tools
> @@ -1939,15 +1483,8 @@ cat << EOF
> qed qed image format support
> parallels parallels image format support
> crypto-afalg Linux AF_ALG crypto backend driver
> - capstone capstone disassembler support
> debug-mutex mutex debugging support
> - libpmem libpmem support
> - xkbcommon xkbcommon support
> rng-none dummy RNG, avoid using /dev/(u)random and getrandom()
> - libdaxctl libdaxctl support
> - fuse FUSE block device export
> - fuse-lseek SEEK_HOLE/SEEK_DATA support for FUSE exports
> - multiprocess Out of process device emulation support
> gio libgio support
> slirp-smbd use smbd (at path --smbd=*) in slirp networking
>
> @@ -3171,16 +2708,6 @@ EOF
> fi
> fi
>
> -malloc=system
> -if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then
> - echo "ERROR: tcmalloc && jemalloc can't be used at the same time"
> - exit 1
> -elif test "$tcmalloc" = "yes" ; then
> - malloc=tcmalloc
> -elif test "$jemalloc" = "yes" ; then
> - malloc=jemalloc
> -fi
> -
> # check for usbfs
> have_usbfs=no
> if test "$linux_user" = "yes"; then
> @@ -4511,40 +4038,23 @@ if test "$skip_meson" = no; then
> --sysconfdir "$sysconfdir" \
> --localedir "$localedir" \
> --localstatedir "$local_statedir" \
> + -Daudio_drv_list=$audio_drv_list \
> + -Ddefault_devices=$default_devices \
> -Ddocdir="$docdir" \
> -Dqemu_firmwarepath="$firmwarepath" \
> -Dqemu_suffix="$qemu_suffix" \
> + -Dsphinx_build="$sphinx_build" \
> + -Dtrace_file="$trace_file" \
> -Doptimization=$(if test "$debug" = yes; then echo 0; else echo
> 2; fi) \
> -Ddebug=$(if test "$debug_info" = yes; then echo true; else echo
> false; fi) \
> -Dwerror=$(if test "$werror" = yes; then echo true; else echo
> false; fi) \
> -Dstrip=$(if test "$strip_opt" = yes; then echo true; else echo
> false; fi) \
> -Db_pie=$(if test "$pie" = yes; then echo true; else echo false;
> fi) \
> -Db_coverage=$(if test "$gcov" = yes; then echo true; else echo
> false; fi) \
> - -Db_lto=$lto -Dcfi=$cfi -Dcfi_debug=$cfi_debug -Dfuzzing=$fuzzing
> \
> + -Db_lto=$lto -Dcfi=$cfi -Dtcg=$tcg -Dxen=$xen \
> + -Dcapstone=$capstone -Dfdt=$fdt -Dslirp=$slirp \
> $(test -n "${LIB_FUZZING_ENGINE+xxx}" && echo
> "-Dfuzzing_engine=$LIB_FUZZING_ENGINE") \
> - -Dmalloc=$malloc -Dmalloc_trim=$malloc_trim -Dsparse=$sparse \
> - -Dkvm=$kvm -Dhax=$hax -Dwhpx=$whpx -Dhvf=$hvf -Dnvmm=$nvmm \
> - -Dxen=$xen -Dxen_pci_passthrough=$xen_pci_passthrough -Dtcg=$tcg \
> - -Dcocoa=$cocoa -Dgtk=$gtk -Dmpath=$mpath -Dsdl=$sdl
> -Dsdl_image=$sdl_image \
> - -Dlibusb=$libusb -Dsmartcard=$smartcard -Dusb_redir=$usb_redir
> -Dvte=$vte \
> - -Dvnc=$vnc -Dvnc_sasl=$vnc_sasl -Dvnc_jpeg=$vnc_jpeg
> -Dvnc_png=$vnc_png \
> - -Dgettext=$gettext -Dxkbcommon=$xkbcommon -Du2f=$u2f
> -Dvirtiofsd=$virtiofsd \
> - -Dcapstone=$capstone -Dslirp=$slirp -Dfdt=$fdt -Dbrlapi=$brlapi \
> - -Dcurl=$curl -Dglusterfs=$glusterfs -Dbzip2=$bzip2
> -Dlibiscsi=$libiscsi \
> - -Dlibnfs=$libnfs -Diconv=$iconv -Dcurses=$curses
> -Dlibudev=$libudev\
> - -Drbd=$rbd -Dlzo=$lzo -Dsnappy=$snappy -Dlzfse=$lzfse
> -Dlibxml2=$libxml2 \
> - -Dlibdaxctl=$libdaxctl -Dlibpmem=$libpmem
> -Dlinux_io_uring=$linux_io_uring \
> - -Dgnutls=$gnutls -Dnettle=$nettle -Dgcrypt=$gcrypt
> -Dauth_pam=$auth_pam \
> - -Dzstd=$zstd -Dseccomp=$seccomp -Dvirtfs=$virtfs -Dcap_ng=$cap_ng
> \
> - -Dattr=$attr -Ddefault_devices=$default_devices
> -Dvirglrenderer=$virglrenderer \
> - -Ddocs=$docs -Dsphinx_build=$sphinx_build -Dinstall_blobs=$blobs \
> - -Dvhost_user_blk_server=$vhost_user_blk_server
> -Dmultiprocess=$multiprocess \
> - -Dfuse=$fuse -Dfuse_lseek=$fuse_lseek
> -Dguest_agent_msi=$guest_agent_msi -Dbpf=$bpf\
> $(if test "$default_feature" = no; then echo
> "-Dauto_features=disabled"; fi) \
> - -Dalsa=$alsa -Dcoreaudio=$coreaudio -Ddsound=$dsound -Djack=$jack
> -Doss=$oss \
> - -Dpa=$pa -Daudio_drv_list=$audio_drv_list
> -Dtcg_interpreter=$tcg_interpreter \
> - -Dtrace_backends=$trace_backends -Dtrace_file=$trace_file
> -Dlinux_aio=$linux_aio \
> - -Dnetmap=$netmap -Dvde=$vde \
> "$@" $cross_arg "$PWD" "$source_path"
> }
> eval run_meson $meson_options
> diff --git a/docs/devel/build-system.rst b/docs/devel/build-system.rst
> index 0f636d620e..b79012b965 100644
> --- a/docs/devel/build-system.rst
> +++ b/docs/devel/build-system.rst
> @@ -42,73 +42,21 @@ perform a build:
> ../configure
> make
>
> -For now, checks on the compilation environment are found in configure
> -rather than meson.build, though this is expected to change. The command
> -line is parsed in the configure script and, whenever needed, converted
> -into the appropriate options to Meson.
> -
> -New checks should be added to Meson, which usually comprises the
> -following tasks:
> -
> - - Add a Meson build option to meson_options.txt.
> -
> - - Add support to the command line arg parser to handle any new
> - ``--enable-XXX``/``--disable-XXX`` flags required by the feature.
> -
> - - Add information to the help output message to report on the new
> - feature flag.
> -
> - - Add code to perform the actual feature check.
> -
> - - Add code to include the feature status in ``config-host.h``
> -
> - - Add code to print out the feature status in the configure summary
> - upon completion.
> -
> -
> -Taking the probe for SDL2_Image as an example, we have the following
> pieces
> -in configure::
> -
> - # Initial variable state
> - sdl_image=auto
> -
> - ..snip..
> -
> - # Configure flag processing
> - --disable-sdl-image) sdl_image=disabled
> - ;;
> - --enable-sdl-image) sdl_image=enabled
> - ;;
> -
> - ..snip..
> -
> - # Help output feature message
> - sdl-image SDL Image support for icons
> -
> - ..snip..
> -
> - # Meson invocation
> - -Dsdl_image=$sdl_image
> -
> -In meson_options.txt::
> -
> - option('sdl', type : 'feature', value : 'auto',
> - description: 'SDL Image support for icons')
> -
> -In meson.build::
> -
> - # Detect dependency
> - sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
> - method: 'pkg-config',
> - kwargs: static_kwargs)
> -
> - # Create config-host.h (if applicable)
> - config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
> -
> - # Summary
> - summary_info += {'SDL image support': sdl_image.found()}
> +The configure script automatically recognizes
> +command line options for which a same-named Meson option exists;
> +dashes in the command line are replaced with underscores.
>
> +Many checks on the compilation environment are still found in configure
> +rather than `meson.build`, but new checks should be added directly to
> +`meson.build`.
>
> +Patches are also welcome to move existing checks from the configure
> +phase to `meson.build`. When doing so, ensure that `meson.build` does
> +not use anymore the keys that you have removed from `config-host.mak`.
> +Typically these will be replaced in `meson.build` by boolean variables,
> +``get_option('optname')`` invocations, or `dep.found()` expressions.
> +In general, the remaining checks have little or no interdependencies,
> +so they can be moved one by one.
>
> Helper functions
> ----------------
> @@ -335,6 +283,61 @@ new target, or enabling new devices or hardware for a
> particular
> system/userspace emulation target
>
>
> +Adding checks
> +-------------
> +
> +New checks should be added to Meson. Compiler checks can be as simple as
> +the following::
> +
> + config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
> +
> +A more complex task such as adding a new dependency usually
> +comprises the following tasks:
> +
> + - Add a Meson build option to meson_options.txt.
> +
> + - Add code to perform the actual feature check.
> +
> + - Add code to include the feature status in `config-host.h`
> +
> + - Add code to print out the feature status in the configure summary
> + upon completion.
> +
> +Taking the probe for SDL2_Image as an example, we have the following
> +in ``meson_options.txt``::
> +
> + option('sdl_image', type : 'feature', value : 'auto',
> + description: 'SDL Image support for icons')
> +
> +Unless the option was given a non-``auto`` value (on the configure
> +command line), the detection code must be performed only if the
> +dependency will be used::
> +
> + sdl_image = not_found
> + if not get_option('sdl_image').auto() or have_system
> + sdl_image = dependency('SDL2_image', required:
> get_option('sdl_image'),
> + method: 'pkg-config',
> + static: enable_static)
> + endif
> +
> +This avoids warnings on static builds of user-mode emulators, for example.
> +Most of the libraries used by system-mode emulators are not available for
> +static linking.
> +
> +The other supporting code is generally simple::
> +
> + # Create config-host.h (if applicable)
> + config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
> +
> + # Summary
> + summary_info += {'SDL image support': sdl_image.found()}
> +
> +For the configure script to parse the new option, the
> +``scripts/meson-buildoptions.sh`` file must be up-to-date; ``make
> +For the configure script to parse the new option, the
> ``meson-buildoptions.json``
> +update-buildoptions`` (or just `make`) will take care of updating it.
> +
> +
> Support scripts
> ---------------
>
> diff --git a/meson_options.txt b/meson_options.txt
> index 5a140af7f7..4ab4570125 100644
> --- a/meson_options.txt
> +++ b/meson_options.txt
> @@ -1,3 +1,7 @@
> +# These options do not correspond to a --enable/--disable-* option
> +# on the configure script command line. If you add more, list them in
> +# scripts/meson-buildoptions.py's SKIP_OPTIONS constant too.
> +
> option('qemu_suffix', type : 'string', value: 'qemu',
> description: 'Suffix for QEMU data/modules/config directories (can
> be empty)')
> option('docdir', type : 'string', value : 'doc',
> @@ -16,6 +20,10 @@ option('fuzzing_engine', type : 'string', value : '',
> option('trace_file', type: 'string', value: 'trace',
> description: 'Trace file prefix for simple backend')
>
> +# Everything else can be set via --enable/--disable-* option
> +# on the configure script command line. After adding an option
> +# here make sure to run "make update-buildoptions".
> +
> option('docs', type : 'feature', value : 'auto',
> description: 'Documentations build support')
> option('fuzzing', type : 'boolean', value: false,
> diff --git a/scripts/meson-buildoptions.py b/scripts/meson-buildoptions.py
> index 8948c296b7..9132e86efb 100755
> --- a/scripts/meson-buildoptions.py
> +++ b/scripts/meson-buildoptions.py
> @@ -25,10 +25,71 @@
> import shlex
> import sys
>
> +SKIP_OPTIONS = {
> + "audio_drv_list",
> + "default_devices",
> + "docdir",
> + "fuzzing_engine",
> + "qemu_firmwarepath",
> + "qemu_suffix",
> + "sphinx_build",
> + "trace_file",
> +}
> +
> +LINE_WIDTH = 76
> +
> +# Convert the default value of an option to the string used in
> +# the help message
> +def value_to_help(value):
> + if isinstance(value, list):
> + return ",".join(value)
> + if isinstance(value, bool):
> + return "enabled" if value else "disabled"
> + return str(value)
> +
> +
> +def wrap(left, text, indent):
> + length = LINE_WIDTH - indent
> + if len(left) >= indent:
> + yield left
> + yield from wrap("", text, indent)
> + else:
> + spaces = " " * indent
> + left = (left + spaces)[0:indent]
> + yield from textwrap.wrap(
> + text, width=LINE_WIDTH, initial_indent=left,
> subsequent_indent=spaces
> + )
> +
> +
> def sh_print(line=""):
> print(' printf "%s\\n"', shlex.quote(line))
>
>
> +def help_line(left, opt, indent, long):
> + right = f"{opt['description']}"
> + if long:
> + value = value_to_help(opt["value"])
> + if value != "auto":
> + right += f" [{value}]"
> + if "choices" in opt and long:
> + choices = "/".join(sorted(opt["choices"]))
> + right += f" (choices: {choices})"
> + for x in wrap(" " + left, right, indent):
> + sh_print(x)
> +
> +
> +# Return whether the option (a dictionary) can be used with
> +# arguments. Booleans can never be used with arguments;
> +# combos allow an argument only if they accept other values
> +# than "auto", "enabled", and "disabled".
> +def allow_arg(opt):
> + if opt["type"] == "boolean":
> + return False
> + if opt["type"] != "combo":
> + return True
> + return not (set(opt["choices"]) <= {"auto", "disabled", "enabled"})
> +
> +
> def load_options(json):
> json = [
> x
> @@ -42,17 +103,48 @@ def load_options(json):
>
> def print_help(options):
> print("meson_options_help() {")
> + for opt in options:
> + key = opt["name"].replace("_", "-")
> + # The first section includes options that have an arguments,
> + # and booleans (i.e., only one of enable/disable makes sense)
> + if opt["type"] == "boolean":
> + left = f"--disable-{key}" if opt["value"] else
> f"--enable-{key}"
> + help_line(left, opt, 27, False)
> + elif allow_arg(opt):
> + if opt["type"] == "combo" and "enabled" in opt["choices"]:
> + left = f"--enable-{key}[=CHOICE]"
> + else:
> + left = f"--enable-{key}=CHOICE"
> + help_line(left, opt, 27, True)
> +
> sh_print()
> sh_print("Optional features, enabled with --enable-FEATURE and")
> sh_print("disabled with --disable-FEATURE, default is enabled if
> available")
> sh_print("(unless built with --without-default-features):")
> sh_print()
> + for opt in options:
> + key = opt["name"].replace("_", "-")
> + if opt["type"] != "boolean" and not allow_arg(opt):
> + help_line(key, opt, 18, False)
> print("}")
>
>
> def print_parse(options):
> print("_meson_option_parse() {")
> print(" case $1 in")
> + for opt in options:
> + key = opt["name"].replace("_", "-")
> + name = opt["name"]
> + if opt["type"] == "boolean":
> + print(f' --enable-{key}) printf "%s" -D{name}=true ;;')
> + print(f' --disable-{key}) printf "%s" -D{name}=false ;;')
> + else:
> + if opt["type"] == "combo" and "enabled" in opt["choices"]:
> + print(f' --enable-{key}) printf "%s" -D{name}=enabled
> ;;')
> + if opt["type"] == "combo" and "disabled" in opt["choices"]:
> + print(f' --disable-{key}) printf "%s"
> -D{name}=disabled ;;')
> + if allow_arg(opt):
> + print(f' --enable-{key}=*) quote_sh "-D{name}=$2" ;;')
> print(" *) return 1 ;;")
> print(" esac")
> print("}")
> diff --git a/scripts/meson-buildoptions.sh b/scripts/meson-buildoptions.sh
> index 3be3058a6c..b81e99644f 100644
> --- a/scripts/meson-buildoptions.sh
> +++ b/scripts/meson-buildoptions.sh
> @@ -1,12 +1,268 @@
> meson_options_help() {
> + printf "%s\n" ' --enable-capstone[=CHOICE]'
> + printf "%s\n" ' Whether and how to find the
> capstone library'
> + printf "%s\n" ' (choices:
> auto/disabled/enabled/internal/system)'
> + printf "%s\n" ' --enable-cfi Control-Flow Integrity (CFI)'
> + printf "%s\n" ' --enable-cfi-debug Verbose errors in case of CFI
> violation'
> + printf "%s\n" ' --enable-fdt[=CHOICE] Whether and how to find the
> libfdt library'
> + printf "%s\n" ' (choices:
> auto/disabled/enabled/internal/system)'
> + printf "%s\n" ' --enable-fuzzing build fuzzing targets'
> + printf "%s\n" ' --disable-install-blobs install provided firmware
> blobs'
> + printf "%s\n" ' --enable-malloc=CHOICE choose memory allocator to
> use [system] (choices:'
> + printf "%s\n" ' jemalloc/system/tcmalloc)'
> + printf "%s\n" ' --enable-slirp[=CHOICE] Whether and how to find the
> slirp library'
> + printf "%s\n" ' (choices:
> auto/disabled/enabled/internal/system)'
> + printf "%s\n" ' --enable-tcg-interpreter TCG with bytecode interpreter
> (experimental and'
> + printf "%s\n" ' slow)'
> + printf "%s\n" ' --enable-trace-backends=CHOICE'
> + printf "%s\n" ' Set available tracing
> backends [log]'
> printf "%s\n" ''
> printf "%s\n" 'Optional features, enabled with --enable-FEATURE and'
> printf "%s\n" 'disabled with --disable-FEATURE, default is enabled if
> available'
> printf "%s\n" '(unless built with --without-default-features):'
> printf "%s\n" ''
> + printf "%s\n" ' alsa ALSA sound support'
> + printf "%s\n" ' attr attr/xattr support'
> + printf "%s\n" ' auth-pam PAM access control'
> + printf "%s\n" ' bpf eBPF support'
> + printf "%s\n" ' brlapi brlapi character device driver'
> + printf "%s\n" ' bzip2 bzip2 support for DMG images'
> + printf "%s\n" ' cap-ng cap_ng support'
> + printf "%s\n" ' cocoa Cocoa user interface (macOS only)'
> + printf "%s\n" ' coreaudio CoreAudio sound support'
> + printf "%s\n" ' curl CURL block device driver'
> + printf "%s\n" ' curses curses UI'
> + printf "%s\n" ' docs Documentations build support'
> + printf "%s\n" ' dsound DirectSound sound support'
> + printf "%s\n" ' fuse FUSE block device export'
> + printf "%s\n" ' fuse-lseek SEEK_HOLE/SEEK_DATA support for FUSE
> exports'
> + printf "%s\n" ' gcrypt libgcrypt cryptography support'
> + printf "%s\n" ' gettext Localization of the GTK+ user
> interface'
> + printf "%s\n" ' glusterfs Glusterfs block device driver'
> + printf "%s\n" ' gnutls GNUTLS cryptography support'
> + printf "%s\n" ' gtk GTK+ user interface'
> + printf "%s\n" ' guest-agent-msi Build MSI package for the QEMU Guest
> Agent'
> + printf "%s\n" ' hax HAX acceleration support'
> + printf "%s\n" ' hvf HVF acceleration support'
> + printf "%s\n" ' iconv Font glyph conversion support'
> + printf "%s\n" ' jack JACK sound support'
> + printf "%s\n" ' kvm KVM acceleration support'
> + printf "%s\n" ' libdaxctl libdaxctl support'
> + printf "%s\n" ' libiscsi libiscsi userspace initiator'
> + printf "%s\n" ' libnfs libnfs block device driver'
> + printf "%s\n" ' libpmem libpmem support'
> + printf "%s\n" ' libudev Use libudev to enumerate host devices'
> + printf "%s\n" ' libusb libusb support for USB passthrough'
> + printf "%s\n" ' libxml2 libxml2 support for Parallels image
> format'
> + printf "%s\n" ' linux-aio Linux AIO support'
> + printf "%s\n" ' linux-io-uring Linux io_uring support'
> + printf "%s\n" ' lzfse lzfse support for DMG images'
> + printf "%s\n" ' lzo lzo compression support'
> + printf "%s\n" ' malloc-trim enable libc malloc_trim() for memory
> optimization'
> + printf "%s\n" ' mpath Multipath persistent reservation
> passthrough'
> + printf "%s\n" ' multiprocess Out of process device emulation
> support'
> + printf "%s\n" ' netmap netmap network backend support'
> + printf "%s\n" ' nettle nettle cryptography support'
> + printf "%s\n" ' nvmm NVMM acceleration support'
> + printf "%s\n" ' oss OSS sound support'
> + printf "%s\n" ' pa PulseAudio sound support'
> + printf "%s\n" ' rbd Ceph block device driver'
> + printf "%s\n" ' sdl SDL user interface'
> + printf "%s\n" ' sdl-image SDL Image support for icons'
> + printf "%s\n" ' seccomp seccomp support'
> + printf "%s\n" ' smartcard CA smartcard emulation support'
> + printf "%s\n" ' snappy snappy compression support'
> + printf "%s\n" ' sparse sparse checker'
> + printf "%s\n" ' spice Spice server support'
> + printf "%s\n" ' spice-protocol Spice protocol support'
> + printf "%s\n" ' tcg TCG support'
> + printf "%s\n" ' u2f U2F emulation support'
> + printf "%s\n" ' usb-redir libusbredir support'
> + printf "%s\n" ' vde vde network backend support'
> + printf "%s\n" ' vhost-user-blk-server'
> + printf "%s\n" ' build vhost-user-blk server'
> + printf "%s\n" ' virglrenderer virgl rendering support'
> + printf "%s\n" ' virtfs virtio-9p support'
> + printf "%s\n" ' virtiofsd build virtiofs daemon (virtiofsd)'
> + printf "%s\n" ' vnc VNC server'
> + printf "%s\n" ' vnc-jpeg JPEG lossy compression for VNC server'
> + printf "%s\n" ' vnc-png PNG compression for VNC server'
> + printf "%s\n" ' vnc-sasl SASL authentication for VNC server'
> + printf "%s\n" ' vte vte support for the gtk UI'
> + printf "%s\n" ' whpx WHPX acceleration support'
> + printf "%s\n" ' xen Xen backend support'
> + printf "%s\n" ' xen-pci-passthrough'
> + printf "%s\n" ' Xen PCI passthrough support'
> + printf "%s\n" ' xkbcommon xkbcommon support'
> + printf "%s\n" ' zstd zstd compression support'
> }
> _meson_option_parse() {
> case $1 in
> + --enable-alsa) printf "%s" -Dalsa=enabled ;;
> + --disable-alsa) printf "%s" -Dalsa=disabled ;;
> + --enable-attr) printf "%s" -Dattr=enabled ;;
> + --disable-attr) printf "%s" -Dattr=disabled ;;
> + --enable-auth-pam) printf "%s" -Dauth_pam=enabled ;;
> + --disable-auth-pam) printf "%s" -Dauth_pam=disabled ;;
> + --enable-bpf) printf "%s" -Dbpf=enabled ;;
> + --disable-bpf) printf "%s" -Dbpf=disabled ;;
> + --enable-brlapi) printf "%s" -Dbrlapi=enabled ;;
> + --disable-brlapi) printf "%s" -Dbrlapi=disabled ;;
> + --enable-bzip2) printf "%s" -Dbzip2=enabled ;;
> + --disable-bzip2) printf "%s" -Dbzip2=disabled ;;
> + --enable-cap-ng) printf "%s" -Dcap_ng=enabled ;;
> + --disable-cap-ng) printf "%s" -Dcap_ng=disabled ;;
> + --enable-capstone) printf "%s" -Dcapstone=enabled ;;
> + --disable-capstone) printf "%s" -Dcapstone=disabled ;;
> + --enable-capstone=*) quote_sh "-Dcapstone=$2" ;;
> + --enable-cfi) printf "%s" -Dcfi=true ;;
> + --disable-cfi) printf "%s" -Dcfi=false ;;
> + --enable-cfi-debug) printf "%s" -Dcfi_debug=true ;;
> + --disable-cfi-debug) printf "%s" -Dcfi_debug=false ;;
> + --enable-cocoa) printf "%s" -Dcocoa=enabled ;;
> + --disable-cocoa) printf "%s" -Dcocoa=disabled ;;
> + --enable-coreaudio) printf "%s" -Dcoreaudio=enabled ;;
> + --disable-coreaudio) printf "%s" -Dcoreaudio=disabled ;;
> + --enable-curl) printf "%s" -Dcurl=enabled ;;
> + --disable-curl) printf "%s" -Dcurl=disabled ;;
> + --enable-curses) printf "%s" -Dcurses=enabled ;;
> + --disable-curses) printf "%s" -Dcurses=disabled ;;
> + --enable-docs) printf "%s" -Ddocs=enabled ;;
> + --disable-docs) printf "%s" -Ddocs=disabled ;;
> + --enable-dsound) printf "%s" -Ddsound=enabled ;;
> + --disable-dsound) printf "%s" -Ddsound=disabled ;;
> + --enable-fdt) printf "%s" -Dfdt=enabled ;;
> + --disable-fdt) printf "%s" -Dfdt=disabled ;;
> + --enable-fdt=*) quote_sh "-Dfdt=$2" ;;
> + --enable-fuse) printf "%s" -Dfuse=enabled ;;
> + --disable-fuse) printf "%s" -Dfuse=disabled ;;
> + --enable-fuse-lseek) printf "%s" -Dfuse_lseek=enabled ;;
> + --disable-fuse-lseek) printf "%s" -Dfuse_lseek=disabled ;;
> + --enable-fuzzing) printf "%s" -Dfuzzing=true ;;
> + --disable-fuzzing) printf "%s" -Dfuzzing=false ;;
> + --enable-gcrypt) printf "%s" -Dgcrypt=enabled ;;
> + --disable-gcrypt) printf "%s" -Dgcrypt=disabled ;;
> + --enable-gettext) printf "%s" -Dgettext=enabled ;;
> + --disable-gettext) printf "%s" -Dgettext=disabled ;;
> + --enable-glusterfs) printf "%s" -Dglusterfs=enabled ;;
> + --disable-glusterfs) printf "%s" -Dglusterfs=disabled ;;
> + --enable-gnutls) printf "%s" -Dgnutls=enabled ;;
> + --disable-gnutls) printf "%s" -Dgnutls=disabled ;;
> + --enable-gtk) printf "%s" -Dgtk=enabled ;;
> + --disable-gtk) printf "%s" -Dgtk=disabled ;;
> + --enable-guest-agent-msi) printf "%s" -Dguest_agent_msi=enabled ;;
> + --disable-guest-agent-msi) printf "%s" -Dguest_agent_msi=disabled ;;
> + --enable-hax) printf "%s" -Dhax=enabled ;;
> + --disable-hax) printf "%s" -Dhax=disabled ;;
> + --enable-hvf) printf "%s" -Dhvf=enabled ;;
> + --disable-hvf) printf "%s" -Dhvf=disabled ;;
> + --enable-iconv) printf "%s" -Diconv=enabled ;;
> + --disable-iconv) printf "%s" -Diconv=disabled ;;
> + --enable-install-blobs) printf "%s" -Dinstall_blobs=true ;;
> + --disable-install-blobs) printf "%s" -Dinstall_blobs=false ;;
> + --enable-jack) printf "%s" -Djack=enabled ;;
> + --disable-jack) printf "%s" -Djack=disabled ;;
> + --enable-kvm) printf "%s" -Dkvm=enabled ;;
> + --disable-kvm) printf "%s" -Dkvm=disabled ;;
> + --enable-libdaxctl) printf "%s" -Dlibdaxctl=enabled ;;
> + --disable-libdaxctl) printf "%s" -Dlibdaxctl=disabled ;;
> + --enable-libiscsi) printf "%s" -Dlibiscsi=enabled ;;
> + --disable-libiscsi) printf "%s" -Dlibiscsi=disabled ;;
> + --enable-libnfs) printf "%s" -Dlibnfs=enabled ;;
> + --disable-libnfs) printf "%s" -Dlibnfs=disabled ;;
> + --enable-libpmem) printf "%s" -Dlibpmem=enabled ;;
> + --disable-libpmem) printf "%s" -Dlibpmem=disabled ;;
> + --enable-libudev) printf "%s" -Dlibudev=enabled ;;
> + --disable-libudev) printf "%s" -Dlibudev=disabled ;;
> + --enable-libusb) printf "%s" -Dlibusb=enabled ;;
> + --disable-libusb) printf "%s" -Dlibusb=disabled ;;
> + --enable-libxml2) printf "%s" -Dlibxml2=enabled ;;
> + --disable-libxml2) printf "%s" -Dlibxml2=disabled ;;
> + --enable-linux-aio) printf "%s" -Dlinux_aio=enabled ;;
> + --disable-linux-aio) printf "%s" -Dlinux_aio=disabled ;;
> + --enable-linux-io-uring) printf "%s" -Dlinux_io_uring=enabled ;;
> + --disable-linux-io-uring) printf "%s" -Dlinux_io_uring=disabled ;;
> + --enable-lzfse) printf "%s" -Dlzfse=enabled ;;
> + --disable-lzfse) printf "%s" -Dlzfse=disabled ;;
> + --enable-lzo) printf "%s" -Dlzo=enabled ;;
> + --disable-lzo) printf "%s" -Dlzo=disabled ;;
> + --enable-malloc=*) quote_sh "-Dmalloc=$2" ;;
> + --enable-malloc-trim) printf "%s" -Dmalloc_trim=enabled ;;
> + --disable-malloc-trim) printf "%s" -Dmalloc_trim=disabled ;;
> + --enable-mpath) printf "%s" -Dmpath=enabled ;;
> + --disable-mpath) printf "%s" -Dmpath=disabled ;;
> + --enable-multiprocess) printf "%s" -Dmultiprocess=enabled ;;
> + --disable-multiprocess) printf "%s" -Dmultiprocess=disabled ;;
> + --enable-netmap) printf "%s" -Dnetmap=enabled ;;
> + --disable-netmap) printf "%s" -Dnetmap=disabled ;;
> + --enable-nettle) printf "%s" -Dnettle=enabled ;;
> + --disable-nettle) printf "%s" -Dnettle=disabled ;;
> + --enable-nvmm) printf "%s" -Dnvmm=enabled ;;
> + --disable-nvmm) printf "%s" -Dnvmm=disabled ;;
> + --enable-oss) printf "%s" -Doss=enabled ;;
> + --disable-oss) printf "%s" -Doss=disabled ;;
> + --enable-pa) printf "%s" -Dpa=enabled ;;
> + --disable-pa) printf "%s" -Dpa=disabled ;;
> + --enable-rbd) printf "%s" -Drbd=enabled ;;
> + --disable-rbd) printf "%s" -Drbd=disabled ;;
> + --enable-sdl) printf "%s" -Dsdl=enabled ;;
> + --disable-sdl) printf "%s" -Dsdl=disabled ;;
> + --enable-sdl-image) printf "%s" -Dsdl_image=enabled ;;
> + --disable-sdl-image) printf "%s" -Dsdl_image=disabled ;;
> + --enable-seccomp) printf "%s" -Dseccomp=enabled ;;
> + --disable-seccomp) printf "%s" -Dseccomp=disabled ;;
> + --enable-slirp) printf "%s" -Dslirp=enabled ;;
> + --disable-slirp) printf "%s" -Dslirp=disabled ;;
> + --enable-slirp=*) quote_sh "-Dslirp=$2" ;;
> + --enable-smartcard) printf "%s" -Dsmartcard=enabled ;;
> + --disable-smartcard) printf "%s" -Dsmartcard=disabled ;;
> + --enable-snappy) printf "%s" -Dsnappy=enabled ;;
> + --disable-snappy) printf "%s" -Dsnappy=disabled ;;
> + --enable-sparse) printf "%s" -Dsparse=enabled ;;
> + --disable-sparse) printf "%s" -Dsparse=disabled ;;
> + --enable-spice) printf "%s" -Dspice=enabled ;;
> + --disable-spice) printf "%s" -Dspice=disabled ;;
> + --enable-spice-protocol) printf "%s" -Dspice_protocol=enabled ;;
> + --disable-spice-protocol) printf "%s" -Dspice_protocol=disabled ;;
> + --enable-tcg) printf "%s" -Dtcg=enabled ;;
> + --disable-tcg) printf "%s" -Dtcg=disabled ;;
> + --enable-tcg-interpreter) printf "%s" -Dtcg_interpreter=true ;;
> + --disable-tcg-interpreter) printf "%s" -Dtcg_interpreter=false ;;
> + --enable-trace-backends=*) quote_sh "-Dtrace_backends=$2" ;;
> + --enable-u2f) printf "%s" -Du2f=enabled ;;
> + --disable-u2f) printf "%s" -Du2f=disabled ;;
> + --enable-usb-redir) printf "%s" -Dusb_redir=enabled ;;
> + --disable-usb-redir) printf "%s" -Dusb_redir=disabled ;;
> + --enable-vde) printf "%s" -Dvde=enabled ;;
> + --disable-vde) printf "%s" -Dvde=disabled ;;
> + --enable-vhost-user-blk-server) printf "%s"
> -Dvhost_user_blk_server=enabled ;;
> + --disable-vhost-user-blk-server) printf "%s"
> -Dvhost_user_blk_server=disabled ;;
> + --enable-virglrenderer) printf "%s" -Dvirglrenderer=enabled ;;
> + --disable-virglrenderer) printf "%s" -Dvirglrenderer=disabled ;;
> + --enable-virtfs) printf "%s" -Dvirtfs=enabled ;;
> + --disable-virtfs) printf "%s" -Dvirtfs=disabled ;;
> + --enable-virtiofsd) printf "%s" -Dvirtiofsd=enabled ;;
> + --disable-virtiofsd) printf "%s" -Dvirtiofsd=disabled ;;
> + --enable-vnc) printf "%s" -Dvnc=enabled ;;
> + --disable-vnc) printf "%s" -Dvnc=disabled ;;
> + --enable-vnc-jpeg) printf "%s" -Dvnc_jpeg=enabled ;;
> + --disable-vnc-jpeg) printf "%s" -Dvnc_jpeg=disabled ;;
> + --enable-vnc-png) printf "%s" -Dvnc_png=enabled ;;
> + --disable-vnc-png) printf "%s" -Dvnc_png=disabled ;;
> + --enable-vnc-sasl) printf "%s" -Dvnc_sasl=enabled ;;
> + --disable-vnc-sasl) printf "%s" -Dvnc_sasl=disabled ;;
> + --enable-vte) printf "%s" -Dvte=enabled ;;
> + --disable-vte) printf "%s" -Dvte=disabled ;;
> + --enable-whpx) printf "%s" -Dwhpx=enabled ;;
> + --disable-whpx) printf "%s" -Dwhpx=disabled ;;
> + --enable-xen) printf "%s" -Dxen=enabled ;;
> + --disable-xen) printf "%s" -Dxen=disabled ;;
> + --enable-xen-pci-passthrough) printf "%s"
> -Dxen_pci_passthrough=enabled ;;
> + --disable-xen-pci-passthrough) printf "%s"
> -Dxen_pci_passthrough=disabled ;;
> + --enable-xkbcommon) printf "%s" -Dxkbcommon=enabled ;;
> + --disable-xkbcommon) printf "%s" -Dxkbcommon=disabled ;;
> + --enable-zstd) printf "%s" -Dzstd=enabled ;;
> + --disable-zstd) printf "%s" -Dzstd=disabled ;;
> *) return 1 ;;
> esac
> }
> --
> 2.31.1
>
>
>
--
Marc-André Lureau
