By default QEMU enables a lot of features if it can probe and find the support libraries. It also enables a bunch of features by default. This patch adds the ability to build --without-default-features which can be paired with a --without-default-devices for a barely functional build.
The main use case for this is testing our build assumptions and for minimising the amount of stuff you build if you just want to test a particular feature on your relatively slow emulated test system. Signed-off-by: Alex Bennée <alex.ben...@linaro.org> --- configure | 159 ++++++++++++++++++++++++++++++------------------------ 1 file changed, 88 insertions(+), 71 deletions(-) diff --git a/configure b/configure index 8f2095a2db..a08e6c96e0 100755 --- a/configure +++ b/configure @@ -291,10 +291,24 @@ unset target_list_exclude # # Always add --enable-foo and --disable-foo command line args. # Distributions want to ensure that several features are compiled in, and it -# is impossible without a --enable-foo that exits if a feature is not found. +# is impossible without a --enable-foo that exits if a feature is not +# found. -brlapi="" -curl="" +default_feature="" +default_yes_feature="yes" +# parse CC options second +for opt do + optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') + case "$opt" in + --without-default-features) + default_feature="no" + default_yes_feature="no" + ;; + esac +done + +brlapi="$default_feature" +curl="$default_feature" iconv="auto" curses="auto" docs="auto" @@ -303,52 +317,52 @@ netmap="no" sdl="auto" sdl_image="auto" virtiofsd="auto" -virtfs="" +virtfs="$default_feature" libudev="auto" mpath="auto" vnc="enabled" sparse="auto" -vde="" +vde="$default_feature" vnc_sasl="auto" vnc_jpeg="auto" vnc_png="auto" xkbcommon="auto" -xen="" -xen_ctrl_version="" +xen="$default_feature" +xen_ctrl_version="$default_feature" xen_pci_passthrough="auto" -linux_aio="" -linux_io_uring="" -cap_ng="" -attr="" -libattr="" -xfs="" +linux_aio="$default_feature" +linux_io_uring="$default_feature" +cap_ng="$default_feature" +attr="$default_feature" +libattr="$default_feature" +xfs="$default_feature" tcg="enabled" -membarrier="" -vhost_net="" -vhost_crypto="" -vhost_scsi="" -vhost_vsock="" +membarrier="$default_feature" +vhost_net="$default_feature" +vhost_crypto="$default_feature" +vhost_scsi="$default_feature" +vhost_vsock="$default_feature" vhost_user="no" vhost_user_blk_server="auto" -vhost_user_fs="" +vhost_user_fs="$default_feature" kvm="auto" hax="auto" hvf="auto" whpx="auto" -rdma="" -pvrdma="" +rdma="$default_feature" +pvrdma="$default_feature" gprof="no" debug_tcg="no" debug="no" sanitizers="no" tsan="no" -fortify_source="" +fortify_source="$default_feature" strip_opt="yes" tcg_interpreter="no" bigendian="no" mingw32="no" gcov="no" -EXESUF="" +EXESUF="$default_feature" HOST_DSOSUF=".so" modules="no" module_upgrades="no" @@ -370,81 +384,81 @@ pie="" qom_cast_debug="yes" trace_backends="log" trace_file="trace" -spice="" -rbd="" -smartcard="" +spice="$default_feature" +rbd="$default_feature" +smartcard="$default_feature" u2f="auto" -libusb="" -usb_redir="" -opengl="" +libusb="$default_feature" +usb_redir="$default_feature" +opengl="$default_feature" opengl_dmabuf="no" cpuid_h="no" -avx2_opt="" +avx2_opt="$default_feature" capstone="auto" -lzo="" -snappy="" -bzip2="" -lzfse="" -zstd="" -guest_agent="" +lzo="$default_feature" +snappy="$default_feature" +bzip2="$default_feature" +lzfse="$default_feature" +zstd="$default_feature" +guest_agent="$default_feature" guest_agent_with_vss="no" guest_agent_ntddscsi="no" -guest_agent_msi="" -vss_win32_sdk="" +guest_agent_msi="$default_feature" +vss_win32_sdk="$default_feature" win_sdk="no" -want_tools="" -libiscsi="" -libnfs="" +want_tools="$default_feature" +libiscsi="$default_feature" +libnfs="$default_feature" coroutine="" -coroutine_pool="" +coroutine_pool="$default_feature" debug_stack_usage="no" crypto_afalg="no" -seccomp="" -glusterfs="" +seccomp="$default_feature" +glusterfs="$default_feature" glusterfs_xlator_opt="no" glusterfs_discard="no" glusterfs_fallocate="no" glusterfs_zerofill="no" glusterfs_ftruncate_has_stat="no" glusterfs_iocb_has_stat="no" -gtk="" +gtk="$default_feature" gtk_gl="no" tls_priority="NORMAL" -gnutls="" -nettle="" +gnutls="$default_feature" +nettle="$default_feature" nettle_xts="no" -gcrypt="" +gcrypt="$default_feature" gcrypt_hmac="no" gcrypt_xts="no" qemu_private_xts="yes" -auth_pam="" -vte="" -virglrenderer="" -tpm="" -libssh="" -live_block_migration="yes" -numa="" +auth_pam="$default_feature" +vte="$default_feature" +virglrenderer="$default_feature" +tpm="$default_feature" +libssh="$default_feature" +live_block_migration="$default_yes_feature" +numa="$default_feature" tcmalloc="no" jemalloc="no" -replication="yes" -bochs="yes" -cloop="yes" -dmg="yes" -qcow1="yes" -vdi="yes" -vvfat="yes" -qed="yes" -parallels="yes" +replication="$default_yes_feature" +bochs="$default_yes_feature" +cloop="$default_yes_feature" +dmg="$default_yes_feature" +qcow1="$default_yes_feature" +vdi="$default_yes_feature" +vvfat="$default_yes_feature" +qed="$default_yes_feature" +parallels="$default_yes_feature" sheepdog="no" -libxml2="" +libxml2="$default_feature" debug_mutex="no" -libpmem="" +libpmem="$default_feature" default_devices="yes" plugins="no" fuzzing="no" rng_none="no" -secret_keyring="" -libdaxctl="" +secret_keyring="$default_feature" +libdaxctl="$default_feature" meson="" ninja="" skip_meson=no @@ -453,7 +467,7 @@ gettext="" bogus_os="no" malloc_trim="auto" -# parse CC options first +# parse CC options second for opt do optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') case "$opt" in @@ -796,7 +810,7 @@ Linux) audio_possible_drivers="oss alsa sdl pa" linux="yes" linux_user="yes" - vhost_user="yes" + vhost_user="$default_yes_feature" ;; esac @@ -940,6 +954,8 @@ for opt do ;; --without-default-devices) default_devices="no" ;; + --without-default-features) # processed above + ;; --enable-gprof) gprof="yes" ;; --enable-gcov) gcov="yes" @@ -1737,7 +1753,8 @@ Advanced options (experts only): --gdb=GDB-path gdb to use for gdbstub tests [$gdb_bin] Optional features, enabled with --enable-FEATURE and -disabled with --disable-FEATURE, default is enabled if available: +disabled with --disable-FEATURE, default is enabled if available +(unless built with --without-default-features): system all system emulation targets user supported user emulation targets -- 2.20.1
