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Wed, 16 Dec 2020 08:48:37 -0800 (PST) Received: from zen.linaroharston ([51.148.130.216]) by smtp.gmail.com with ESMTPSA id j9sm3919189wrm.14.2020.12.16.08.48.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 16 Dec 2020 08:48:32 -0800 (PST) Received: from zen.lan (localhost [127.0.0.1]) by zen.linaroharston (Postfix) with ESMTP id 40EDE1FF90; Wed, 16 Dec 2020 16:48:28 +0000 (GMT) From: =?UTF-8?q?Alex=20Benn=C3=A9e?= To: peter.maydell@linaro.org Subject: [PULL 04/11] configure: add --without-default-features Date: Wed, 16 Dec 2020 16:48:20 +0000 Message-Id: <20201216164827.24457-5-alex.bennee@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20201216164827.24457-1-alex.bennee@linaro.org> References: <20201216164827.24457-1-alex.bennee@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::333; envelope-from=alex.bennee@linaro.org; helo=mail-wm1-x333.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Paolo Bonzini , Thomas Huth , =?UTF-8?q?Alex=20Benn=C3=A9e?= , qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" 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. On it's own I go from: $ ls -lh qemu-system-aarch64 -rwxr-xr-x 1 alex alex 120M Dec 10 12:45 qemu-system-aarch64* $ ldd qemu-system-aarch64 | wc -l 170 to: $ ls -lh qemu-aarch64 -rwxr-xr-x 1 alex alex 43M Dec 10 12:41 qemu-aarch64* $ ldd qemu-system-aarch64 | wc -l 57 which is still able to run my default Debian ARM64 machine with a lot less fat involved. Signed-off-by: Alex Bennée Acked-by: Thomas Huth Acked-by: Paolo Bonzini Message-Id: <20201210190417.31673-5-alex.bennee@linaro.org> diff --git a/configure b/configure index f9b1e4fbb0..0e542b4c46 100755 --- a/configure +++ b/configure @@ -293,8 +293,19 @@ unset target_list_exclude # 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. -brlapi="" -curl="" +default_feature="" +# parse CC options second +for opt do + optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') + case "$opt" in + --without-default-features) + default_feature="no" + ;; + esac +done + +brlapi="$default_feature" +curl="$default_feature" iconv="auto" curses="auto" docs="auto" @@ -303,52 +314,52 @@ netmap="no" sdl="auto" sdl_image="auto" virtiofsd="auto" -virtfs="" +virtfs="$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="$default_feature" HOST_DSOSUF=".so" modules="no" module_upgrades="no" @@ -370,81 +381,81 @@ pie="" qom_cast_debug="yes" trace_backends="log" trace_file="trace" -spice="" -rbd="" -smartcard="" +spice="$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_feature:-yes} +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_feature:-yes} +bochs=${default_feature:-yes} +cloop=${default_feature:-yes} +dmg=${default_feature:-yes} +qcow1=${default_feature:-yes} +vdi=${default_feature:-yes} +vvfat=${default_feature:-yes} +qed=${default_feature:-yes} +parallels=${default_feature:-yes} 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 @@ -455,7 +466,7 @@ fuse_lseek="auto" bogus_os="no" malloc_trim="auto" -# parse CC options first +# parse CC options second for opt do optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') case "$opt" in @@ -798,7 +809,7 @@ Linux) audio_possible_drivers="oss alsa sdl pa" linux="yes" linux_user="yes" - vhost_user="yes" + vhost_user=${default_feature:-yes} ;; esac @@ -942,6 +953,8 @@ for opt do ;; --without-default-devices) default_devices="no" ;; + --without-default-features) # processed above + ;; --enable-gprof) gprof="yes" ;; --enable-gcov) gcov="yes" @@ -1747,7 +1760,8 @@ Advanced options (experts only): --gdb=GDB-path gdb to use for gdbstub tests [$gdb_bin] Optional features, enabled with --enable-FEATURE and -disabled with --disable-FEATURE, default is enabled if available: +disabled with --disable-FEATURE, default is enabled if available +(unless built with --without-default-features): system all system emulation targets user supported user emulation targets @@ -6957,6 +6971,7 @@ NINJA=$ninja $meson setup \ -Ddocs=$docs -Dsphinx_build=$sphinx_build -Dinstall_blobs=$blobs \ -Dvhost_user_blk_server=$vhost_user_blk_server \ -Dfuse=$fuse -Dfuse_lseek=$fuse_lseek \ + $(if test "$default_features" = no; then echo "-Dauto_features=disabled"; fi) \ $cross_arg \ "$PWD" "$source_path" -- 2.20.1