diff options
Diffstat (limited to 'meta-agl-profile-graphical-html5/recipes-wam/chromium')
4 files changed, 620 insertions, 0 deletions
diff --git a/meta-agl-profile-graphical-html5/recipes-wam/chromium/chromium-browser-service.bb b/meta-agl-profile-graphical-html5/recipes-wam/chromium/chromium-browser-service.bb new file mode 100644 index 00000000..2686c7c8 --- /dev/null +++ b/meta-agl-profile-graphical-html5/recipes-wam/chromium/chromium-browser-service.bb @@ -0,0 +1,19 @@ +SUMMARY = "Chromium browser widget" +DESCRIPTION = "Wgt packaging for running chromium installed browser" +HOMEPAGE = "https://webosose.org" +SECTION = "apps" +LICENSE = "Apache-2.0" +LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/Apache-2.0;md5=89aea4e17d99a7cacdbeed46a0096b10" + +SRC_URI = "gitsm://github.com/webosose/${PN}.git;branch=halibut;protocol=https" +SRCREV = "7dabb46483ff6a3a4fa5cfe532b91412f185554d" + +PV = "1.0+git${SRCPV}" +S = "${WORKDIR}/git" + +#build-time dependencies +DEPENDS += "af-binder af-main-native chromium68" + +inherit cmake aglwgt + +RDEPENDS_${PN} += "chromium68-browser runxdg" diff --git a/meta-agl-profile-graphical-html5/recipes-wam/chromium/chromium68/v8-qemu-wrapper.patch b/meta-agl-profile-graphical-html5/recipes-wam/chromium/chromium68/v8-qemu-wrapper.patch new file mode 100644 index 00000000..485766b0 --- /dev/null +++ b/meta-agl-profile-graphical-html5/recipes-wam/chromium/chromium68/v8-qemu-wrapper.patch @@ -0,0 +1,40 @@ +Upstream-Status: Inappropriate [embedder specific] + +The patch below makes the V8 binaries run during the build be invoked through +QEMU, as they are built for the target. + +Signed-off-by: Raphael Kubo da Costa <raphael.kubo.da.costa@intel.com> +Signed-off-by: Maksim Sisov <msisov@igalia.com> + +Index: git/src/tools/v8_context_snapshot/BUILD.gn +=================================================================== +--- git.orig/src/tools/v8_context_snapshot/BUILD.gn ++++ git/src/tools/v8_context_snapshot/BUILD.gn +@@ -62,6 +62,7 @@ if (use_v8_context_snapshot) { + output_path = rebase_path(output_file, root_build_dir) + + args = [ ++ "./v8-qemu-wrapper.sh", + "./" + rebase_path( + get_label_info( + ":v8_context_snapshot_generator($v8_snapshot_toolchain)", +Index: git/src/v8/BUILD.gn +=================================================================== +--- git.orig/src/v8/BUILD.gn ++++ git/src/v8/BUILD.gn +@@ -900,6 +900,7 @@ action("run_torque") { + } + + args = [ ++ "./v8-qemu-wrapper.sh", + "./" + rebase_path(get_label_info(":torque($v8_torque_toolchain)", + "root_out_dir") + "/torque", + root_build_dir), +@@ -977,6 +978,7 @@ template("run_mksnapshot") { + data = [] + + args = [ ++ "./v8-qemu-wrapper.sh", + "./" + rebase_path(get_label_info(":mksnapshot($v8_snapshot_toolchain)", + "root_out_dir") + "/mksnapshot", + root_build_dir), diff --git a/meta-agl-profile-graphical-html5/recipes-wam/chromium/chromium68_git.bb b/meta-agl-profile-graphical-html5/recipes-wam/chromium/chromium68_git.bb new file mode 100644 index 00000000..8b47bc73 --- /dev/null +++ b/meta-agl-profile-graphical-html5/recipes-wam/chromium/chromium68_git.bb @@ -0,0 +1,404 @@ +# Copyright (c) 2018 LG Electronics, Inc. + +SUMMARY = "Chromium webruntime for webOS" +AUTHOR = "Lokesh Kumar Goel <lokeshkumar.goel@lge.com>" +SECTION = "webos/apps" +LICENSE = "Apache-2.0 & BSD-3-Clause & LGPL-2.0 & LGPL-2.1" +LIC_FILES_CHKSUM = "\ + file://src/LICENSE;md5=0fca02217a5d49a14dfe2d11837bb34d \ + file://src/third_party/blink/renderer/core/LICENSE-LGPL-2;md5=36357ffde2b64ae177b2494445b79d21 \ + file://src/third_party/blink/renderer/core/LICENSE-LGPL-2.1;md5=a778a33ef338abbaf8b8a7c36b6eec80 \ +" + +require gn-utils.inc + +inherit gettext qemu + +DEPENDS = "virtual/gettext wayland wayland-native pixman freetype glib-2.0 fontconfig openssl pango cairo icu libxkbcommon libexif dbus pciutils udev libcap alsa-lib virtual/egl elfutils-native libdrm atk gperf-native gconf nss nss-native nspr nspr-native bison-native qemu-native" + +PROVIDES = "${BROWSER_APPLICATION}" + +SRC_URI = "\ + git://github.com/webosose/${PN};branch=@39.agl.guppy;protocol=https;rev=${SRCREV_chromium68} \ + git://github.com/webosose/v8;destsuffix=git/src/v8;rev=${SRCREV_v8} \ + file://v8-qemu-wrapper.patch \ +" +SRCREV_chromium68 = "5ebefe83ead91ce6fd2ac8ff9699b848a83ee0ff" +SRCREV_v8 = "1e3af71f1ff3735e8a5b639c48dfca63a7b8a647" + +# we don't include SRCPV in PV, so we have to manually include SRCREVs in do_fetch vardeps +do_fetch[vardeps] += "SRCREV_v8" +SRCREV_FORMAT = "main_v8" + +S = "${WORKDIR}/git" + +SRC_DIR = "${S}/src" +OUT_DIR = "${WORKDIR}/build" +BUILD_TYPE = "Release" + +B = "${OUT_DIR}/${BUILD_TYPE}" + +WEBRUNTIME_BUILD_TARGET = "webos:weboswebruntime" +BROWSER_APP_BUILD_TARGET = "chrome" +BROWSER_APPLICATION = "chromium68-browser" +BROWSER_APPLICATION_DIR = "/opt/chromium68" + +TARGET = "${WEBRUNTIME_BUILD_TARGET} ${BROWSER_APP_BUILD_TARGET}" + +# Skip do_install_append of webos_system_bus. It is not compatible with this component. +WEBOS_SYSTEM_BUS_FILES_LOCATION = "${S}/files/sysbus" + +PACKAGECONFIG ?= "jumbo use-upstream-wayland" + +# Options to enable debug-webcore build. +# Add the following line to local.conf (or local.dev.inc) to enable them: +# PACKAGECONFIG_append_pn-chromium68 = " debug-webcore" +# Other debug options are controlled by sections later in this file +PACKAGECONFIG[debug-webcore] = "remove_webcore_debug_symbols=false,remove_webcore_debug_symbols=true" + +# Set a default value for jumbo file merge of 8. This should be good for build +# servers and workstations with a big number of cores. In case build is +# happening in a machine with less cores but still enough RAM a good value could +# be 50. +JUMBO_FILE_MERGE_LIMIT="8" +PACKAGECONFIG[jumbo] = "use_jumbo_build=true jumbo_file_merge_limit=${JUMBO_FILE_MERGE_LIMIT}, use_jumbo_build=false" + +PACKAGECONFIG[lttng] = "use_lttng=true,use_lttng=false,lttng-ust,lttng-tools lttng-modules babeltrace" + +# Chromium can use v4l2 device for hardware accelerated video decoding on such boards as Renesas R-car M3, for example. +# In case of R-car m3, additional patches are required for gstreamer and v4l2apps. +# See https://github.com/igel-oss/meta-browser-hwdecode/tree/igalia-chromium71. +PACKAGECONFIG[use-linux-v4l2] = "use_v4l2_codec=true use_v4lplugin=true use_linux_v4l2_only=true" + +PACKAGECONFIG[use-upstream-wayland] = " \ + ozone_platform_wayland_external=false ozone_platform_wayland=true \ + use_system_minigbm=true, \ + ozone_platform_wayland_external=true ozone_platform_wayland=false \ +" + +GN_ARGS = "\ + enable_memorymanager_webapi=false\ + ffmpeg_branding=\"Chrome\"\ + host_os=\"linux\"\ + ozone_auto_platforms=false\ + proprietary_codecs=true\ + target_os=\"linux\"\ + treat_warnings_as_errors=false\ + is_agl=true\ + use_cbe=true\ + is_chrome_cbe=true\ + use_cups=false\ + use_custom_libcxx=false\ + use_kerberos=false\ + use_neva_media=false\ + use_ozone=true\ + use_xkbcommon=true\ + use_pmlog=false\ + use_system_debugger_abort=true\ + use_webos_gpu_info_collector=false\ + ${PACKAGECONFIG_CONFARGS}\ +" + +# From Chromium's BUILDCONFIG.gn: +# Set to enable the official build level of optimization. This has nothing +# to do with branding, but enables an additional level of optimization above +# release (!is_debug). This might be better expressed as a tri-state +# (debug, release, official) but for historical reasons there are two +# separate flags. +# See also: https://groups.google.com/a/chromium.org/d/msg/chromium-dev/hkcb6AOX5gE/PPT1ukWoBwAJ +GN_ARGS += "is_debug=false is_official_build=true" + +# is_cfi default value is true for x86-64 builds with is_official_build=true. +# As of M63, we explicitly need to set it to false, otherwise we fail the +# following assertion in //build/config/sanitizers/sanitizers.gni: +# assert(!is_cfi || is_clang, +# "is_cfi requires setting is_clang = true in 'gn args'") +GN_ARGS += "is_cfi=false" + +# By default, passing is_official_build=true to GN causes its symbol_level +# variable to be set to "2". This means the compiler will be passed "-g2" and +# we will end up with a very large chrome binary (around 5Gb as of M58) +# regardless of whether DEBUG_BUILD has been set or not. In addition, binutils, +# file and other utilities are unable to read a 32-bit binary this size, which +# causes it not to be stripped. +# The solution is two-fold: +# 1. Make sure -g is not passed on 32-bit architectures via DEBUG_FLAGS. -g is +# the same as -g2. -g1 generates an 800MB binary, which is a lot more +# manageable. +# 2. Explicitly pass symbol_level=0 to GN. This causes -g0 to be passed +# instead, so that if DEBUG_BUILD is not set GN will not create a huge debug +# binary anyway. Since our compiler flags are passed after GN's, -g0 does +# not cause any issues if DEBUG_BUILD is set, as -g1 will be passed later. +DEBUG_FLAGS_remove_arm = "-g" +DEBUG_FLAGS_append_arm = "-g1" +DEBUG_FLAGS_remove_x86 = "-g" +DEBUG_FLAGS_append_x86 = "-g1" +GN_ARGS += "symbol_level=0" + +# We do not want to use Chromium's own Debian-based sysroots, it is easier to +# just let Chromium's build system assume we are not using a sysroot at all and +# let Yocto handle everything. +GN_ARGS += "use_sysroot=false" + +# Toolchains we will use for the build. We need to point to the toolchain file +# we've created, set the right target architecture and make sure we are not +# using Chromium's toolchain (bundled clang, bundled binutils etc). +GN_ARGS += "\ + custom_toolchain=\"//build/toolchain/yocto:yocto_target\" \ + gold_path=\"\" \ + host_toolchain=\"//build/toolchain/yocto:yocto_native\" \ + is_clang=${@is_default_cc_clang(d)} \ + clang_base_path=\"${@clang_install_path(d)}\" \ + clang_use_chrome_plugins=false \ + linux_use_bundled_binutils=false \ + target_cpu=\"${@gn_target_arch_name(d)}\" \ + v8_snapshot_toolchain=\"//build/toolchain/yocto:yocto_target\" \ +" + +# ARM builds need special additional flags (see ${S}/build/config/arm.gni). +# If we do not pass |arm_arch| and friends to GN, it will deduce a value that +# will then conflict with TUNE_CCARGS and CC. +# Note that as of M61 in some corner cases parts of the build system disable +# the "compiler_arm_fpu" GN config, whereas -mfpu is always passed via ${CC}. +# We might want to rework that if there are issues in the future. +def get_compiler_flag(params, param_name, d): + """Given a sequence of compiler arguments in |params|, returns the value of + an option |param_name| or an empty string if the option is not present.""" + for param in params: + if param.startswith(param_name): + return param.split('=')[1] + return '' + +ARM_FLOAT_ABI = "${@bb.utils.contains('TUNE_FEATURES', 'callconvention-hard', 'hard', 'softfp', d)}" +ARM_FPU = "${@get_compiler_flag(d.getVar('TUNE_CCARGS').split(), '-mfpu', d)}" +ARM_TUNE = "${@get_compiler_flag(d.getVar('TUNE_CCARGS').split(), '-mcpu', d)}" +ARM_VERSION_aarch64 = "8" +ARM_VERSION_armv7a = "7" +ARM_VERSION_armv7ve = "7" +ARM_VERSION_armv6 = "6" + +# GN computes and defaults to it automatically where needed +# forcing it from cmdline breaks build on places where it ends up +# overriding what GN wants +TUNE_CCARGS_remove = "-mthumb" + +GN_ARGS_append_arm = " \ + arm_float_abi=\"${ARM_FLOAT_ABI}\" \ + arm_fpu=\"${ARM_FPU}\" \ + arm_tune=\"${ARM_TUNE}\" \ + arm_version=${ARM_VERSION} \ +" +# tcmalloc's atomicops-internals-arm-v6plus.h uses the "dmb" instruction that +# is not available on (some?) ARMv6 models, which causes the build to fail. +GN_ARGS_append_armv6 += 'use_allocator="none"' +# The WebRTC code fails to build on ARMv6 when NEON is enabled. +# https://bugs.chromium.org/p/webrtc/issues/detail?id=6574 +GN_ARGS_append_armv6 += 'arm_use_neon=false' + +# Disable glibc shims on musl +# tcmalloc does not play well with musl as of M62 (and possibly earlier). +# https://github.com/gperftools/gperftools/issues/693 +GN_ARGS_append_libc-musl = ' use_allocator_shim=false' + +# V8's JIT infrastructure requires binaries such as mksnapshot and +# mkpeephole to be run in the host during the build. However, these +# binaries must have the same bit-width as the target (e.g. a x86_64 +# host targeting ARMv6 needs to produce a 32-bit binary). Instead of +# depending on a third Yocto toolchain, we just build those binaries +# for the target and run them on the host with QEMU. +python do_create_v8_qemu_wrapper () { + """Creates a small wrapper that invokes QEMU to run some target V8 binaries + on the host.""" + qemu_libdirs = [d.expand('${STAGING_DIR_HOST}${libdir}'), + d.expand('${STAGING_DIR_HOST}${base_libdir}')] + qemu_cmd = qemu_wrapper_cmdline(d, d.getVar('STAGING_DIR_HOST', True), + qemu_libdirs) + wrapper_path = d.expand('${B}/v8-qemu-wrapper.sh') + with open(wrapper_path, 'w') as wrapper_file: + wrapper_file.write("""#!/bin/sh + +# This file has been generated automatically. +# It invokes QEMU to run binaries built for the target in the host during the +# build process. + +%s "$@" +""" % qemu_cmd) + os.chmod(wrapper_path, 0o755) +} +do_create_v8_qemu_wrapper[dirs] = "${B}" +addtask create_v8_qemu_wrapper after do_patch before do_configure + +python do_write_toolchain_file () { + """Writes a BUILD.gn file for Yocto detailing its toolchains.""" + toolchain_dir = d.expand("${S}/src/build/toolchain/yocto") + bb.utils.mkdirhier(toolchain_dir) + toolchain_file = os.path.join(toolchain_dir, "BUILD.gn") + write_toolchain_file(d, toolchain_file) +} +addtask write_toolchain_file after do_patch before do_configure + +# More options to speed up the build +GN_ARGS += "\ + enable_nacl=false\ + disable_ftp_support=true\ + enable_print_preview=false\ + enable_remoting=false\ + use_glib=true\ + use_gnome_keyring=false\ + use_pulseaudio=false\ +" + +# Respect ld-is-gold in DISTRO_FEATURES when enabling gold +# Similar patch applied in meta-browser +# http://patchwork.openembedded.org/patch/77755/ +EXTRA_OEGN_GOLD = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-gold', 'use_gold=true', 'use_gold=false', d)}" +GN_ARGS += "${EXTRA_OEGN_GOLD}" + +# Doesn't build for armv[45]* +COMPATIBLE_MACHINE = "(-)" +COMPATIBLE_MACHINE_aarch64 = "(.*)" +COMPATIBLE_MACHINE_armv6 = "(.*)" +COMPATIBLE_MACHINE_armv7a = "(.*)" +COMPATIBLE_MACHINE_armv7ve = "(.*)" +COMPATIBLE_MACHINE_x86 = "(.*)" +COMPATIBLE_MACHINE_x86-64 = "(.*)" + +#CHROMIUM_PLUGINS_PATH = "${libdir}" +CBE_DATA_PATH = "${libdir}/cbe" +CBE_DATA_LOCALES_PATH = "${CBE_DATA_PATH}/locales" + +# The text relocations are intentional -- see comments in [GF-52468] +# TODO: check if we need INSANE_SKIP on ldflags +INSANE_SKIP_${PN} = "textrel ldflags" + + +do_compile[progress] = "outof:^\[(\d+)/(\d+)\]\s+" +do_compile() { + if [ ! -f ${OUT_DIR}/${BUILD_TYPE}/build.ninja ]; then + do_configure + fi + + export PATH="${S}/depot_tools:$PATH" + ${S}/depot_tools/ninja -v -C ${OUT_DIR}/${BUILD_TYPE} ${TARGET} +} + +do_configure() { + configure_env +} + +configure_env() { + export GYP_CHROMIUM_NO_ACTION=1 + export PATH="${S}/depot_tools:$PATH" + + GN_ARGS="${GN_ARGS}" + echo GN_ARGS is ${GN_ARGS} + echo BUILD_TARGETS are ${TARGET} + cd ${SRC_DIR} + gn gen ${OUT_DIR}/${BUILD_TYPE} --args="${GN_ARGS}" +} + +WINDOW_SIZE ?= "1920,1080" + +configure_browser_settings() { + USER_AGENT="Mozilla/5.0 (Linux; NetCast; U) AppleWebKit/537.31 (KHTML, like Gecko) Chrome/${CHROMIUM_VERSION} Safari/537.31" + echo "${USER_AGENT}" > ${D_DIR}/user_agent_conf + #We can replace below WINDOW_SIZE values from build configuration if available + #echo "${WINDOW_SIZE}" > ${D_DIR}/window_size_conf +} + +install_chromium_browser() { + D_DIR=${D}${BROWSER_APPLICATION_DIR} + install -d ${D_DIR} + + # Install browser files + if [ -e "${SRC_DIR}/webos/install" ]; then + cd ${OUT_DIR}/${BUILD_TYPE} + xargs --arg-file=${SRC_DIR}/webos/install/default_browser/binary.list cp -R --no-dereference --preserve=mode,links -v --target-directory=${D_DIR} + cd ${SRC_DIR} + xargs --arg-file=${SRC_DIR}/webos/install/default_browser/runtime.list cp -R --no-dereference --preserve=mode,links -v --target-directory=${D_DIR} + fi + + # AGL does not have PMLOG + sed -i.bak s/PmLogCtl.*// ${D_DIR}/run_webbrowser + + # To execute chromium in JAILER, Security Part needs permissions change + # run_webbrowser: Script file for launching chromium + chmod -v 755 ${D_DIR}/chrome + chmod -v 755 ${D_DIR}/kill_webbrowser + chmod -v 755 ${D_DIR}/run_webbrowser + + configure_browser_settings +} + +install_webruntime() { + install -d ${D}${libdir} + install -d ${D}${includedir}/${BPN} + install -d ${D}${CBE_DATA_PATH} + install -d ${D}${CBE_DATA_LOCALES_PATH} + + # Install webos webview files + if [ -e "${SRC_DIR}/webos/install" ]; then + cd ${SRC_DIR} + xargs --arg-file=${SRC_DIR}/webos/install/weboswebruntime/staging_inc.list cp --parents --target-directory=${D}${includedir}/${BPN} + + cd ${OUT_DIR}/${BUILD_TYPE} + + cp libcbe.so ${D}${libdir}/ + if [ "${WEBOS_LTTNG_ENABLED}" = "1" ]; then + # use bindir if building non-cbe + cp libchromium_lttng_provider.so ${D}${libdir}/ + fi + xargs --arg-file=${SRC_DIR}/webos/install/weboswebruntime/binary.list cp --parents --target-directory=${D}${CBE_DATA_PATH} + cat ${SRC_DIR}/webos/install/weboswebruntime/data_locales.list | xargs -I{} install -m 755 -p {} ${D}${CBE_DATA_LOCALES_PATH} + fi + + # move this to separate mksnapshot-cross recipe once we figure out how to build just cross mksnapshot from chromium repository + install -d ${D}${bindir_cross} + gzip -c ${OUT_DIR}/${BUILD_TYPE}/${MKSNAPSHOT_PATH}mksnapshot > ${D}${bindir_cross}/${HOST_SYS}-mksnapshot.gz +} + +do_install() { + install_webruntime + install_chromium_browser +} + +WEBOS_SYSTEM_BUS_DIRS_LEGACY_BROWSER_APPLICATION = " \ + ${webos_sysbus_prvservicesdir}/${BROWSER_APPLICATION}.service \ + ${webos_sysbus_pubservicesdir}/${BROWSER_APPLICATION}.service \ + ${webos_sysbus_prvrolesdir}/${BROWSER_APPLICATION}.json \ + ${webos_sysbus_pubrolesdir}/${BROWSER_APPLICATION}.json \ +" + +SYSROOT_DIRS_append = " ${bindir_cross}" + +PACKAGES_prepend = " \ + ${PN}-cross-mksnapshot \ + ${BROWSER_APPLICATION} \ +" + +FILES_${BROWSER_APPLICATION} += " \ + ${BROWSER_APPLICATION_DIR} \ + ${WEBOS_SYSTEM_BUS_DIRS_LEGACY_BROWSER_APPLICATION} \ +" + +RDEPENDS_${BROWSER_APPLICATION} += "${PN}" + +VIRTUAL-RUNTIME_gpu-libs ?= "" +RDEPENDS_${PN} += "${VIRTUAL-RUNTIME_gpu-libs}" + +# The text relocations are intentional -- see comments in [GF-52468] +# TODO: check if we need INSANE_SKIP on ldflags +INSANE_SKIP_${BROWSER_APPLICATION} += "libdir ldflags textrel" + +FILES_${PN} = " \ + ${libdir}/*.so \ + ${CBE_DATA_PATH}/* \ + ${libdir}/${BPN}/*.so \ + ${WEBOS_SYSTEM_BUS_DIRS} \ +" + +FILES_${PN}-dev = " \ + ${includedir} \ +" + +FILES_${PN}-cross-mksnapshot = "${bindir_cross}/${HOST_SYS}-mksnapshot.gz" diff --git a/meta-agl-profile-graphical-html5/recipes-wam/chromium/gn-utils.inc b/meta-agl-profile-graphical-html5/recipes-wam/chromium/gn-utils.inc new file mode 100644 index 00000000..0fd55a63 --- /dev/null +++ b/meta-agl-profile-graphical-html5/recipes-wam/chromium/gn-utils.inc @@ -0,0 +1,157 @@ +# Permission is hereby granted, free of charge, to any person obtaining a copy +# of this software and associated documentation files (the "Software"), to deal +# in the Software without restriction, including without limitation the rights +# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +# copies of the Software, and to permit persons to whom the Software is +# furnished to do so, subject to the following conditions: +# +# The above copyright notice and this permission notice shall be included in +# all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +# THE SOFTWARE. + +# GN host architecture helpers. +# +# BUILD_ARCH's value corresponds to what uname returns as the machine name. +# The mapping in gn_host_arch_name() tries to match several possible values +# returned by the Linux kernel in uname(2) into the corresponding values GN +# understands. +def gn_host_arch_name(d): + """Returns a GN architecture name corresponding to the build host's machine + architecture.""" + import re + arch_translations = { + r'aarch64.*': 'arm64', + r'arm.*': 'arm', + r'i[3456]86$': 'x86', + r'x86_64$': 'x64', + } + build_arch = d.getVar("BUILD_ARCH") + for arch_regexp, gn_arch_name in arch_translations.items(): + if re.match(arch_regexp, build_arch): + return gn_arch_name + bb.fatal('Unsuported BUILD_ARCH value: "%s"' % build_arch) + +# GN target architecture helpers. +# +# Determining the target architecture is more difficult, as there are many +# different values we can use on the Yocto side (e.g. TUNE_ARCH, TARGET_ARCH, +# MACHINEOVERRIDES etc). What we do is define the mapping with regular, +# non-Python variables with overrides that are generic enough (i.e. "x86" +# instead of "i586") and then use gn_target_arch_name() to return the right +# value with some validation. +GN_TARGET_ARCH_NAME_aarch64 = "arm64" +GN_TARGET_ARCH_NAME_arm = "arm" +GN_TARGET_ARCH_NAME_x86 = "x86" +GN_TARGET_ARCH_NAME_x86-64 = "x64" + +BUILD_CC_toolchain-clang = "clang" +BUILD_CXX_toolchain-clang = "clang++" +BUILD_LD_toolchain-clang = "clang" + +# knob for clang, when using meta-clang to provide clang and case where +# clang happens to be default compiler for OE we should let it use clang +def is_default_cc_clang(d): + """Return true if clang is default cross compiler.""" + toolchain = d.getVar("TOOLCHAIN") + overrides = d.getVar("OVERRIDES") + if toolchain == "clang" and "toolchain-clang" in overrides.split(":"): + return "true" + return "false" + +def clang_install_path(d): + """Return clang compiler install path.""" + return d.getVar("STAGING_BINDIR_NATIVE") + +def gn_target_arch_name(d): + """Returns a GN architecture name corresponding to the target machine's + architecture.""" + name = d.getVar("GN_TARGET_ARCH_NAME") + if name is None: + bb.fatal('Unsupported target architecture. A valid override for the ' + 'GN_TARGET_ARCH_NAME variable could not be found.') + return name + +def write_toolchain_file(d, file_path): + """Creates a complete GN toolchain file in |file_path|.""" + import string + gcc_toolchain_tmpl = string.Template( + 'gcc_toolchain("${toolchain_name}") {\n' + ' cc = "${cc}"\n' + ' cxx = "${cxx}"\n' + ' ar = "${ar}"\n' + ' ld = cxx # GN expects a compiler, not a linker.\n' + ' nm = "${nm}"\n' + ' readelf = "${readelf}"\n' + ' extra_cflags = "${extra_cflags}"\n' + ' extra_cppflags = "${extra_cppflags}"\n' + ' extra_cxxflags = "${extra_cxxflags}"\n' + ' extra_ldflags = "${extra_ldflags}"\n' + ' toolchain_args = {\n' + ' current_cpu = "${current_cpu}"\n' + ' current_os = "linux"\n' + ' is_clang = false\n' + ' }\n' + '}\n' + ) + clang_toolchain_tmpl = string.Template( + 'clang_toolchain("clang_${toolchain_name}") {\n' + ' extra_cflags = "${extra_cflags}"\n' + ' extra_cppflags = "${extra_cppflags}"\n' + ' extra_cxxflags = "${extra_cxxflags}"\n' + ' extra_ldflags = "${extra_ldflags}"\n' + ' toolchain_args = {\n' + ' current_cpu = "${current_cpu}"\n' + ' current_os = "linux"\n' + ' is_clang = true\n' + ' use_gold = true\n' + ' }\n' + '}\n' + ) + + native_toolchain = { + 'toolchain_name': 'yocto_native', + 'current_cpu': gn_host_arch_name(d), + 'cc': d.expand('${BUILD_CC}'), + 'cxx': d.expand('${BUILD_CXX}'), + 'ar': d.expand('${BUILD_AR}'), + 'nm': d.expand('${BUILD_NM}'), + 'readelf': d.expand('${BUILD_PREFIX}readelf'), + 'extra_cflags': d.expand('${BUILD_CFLAGS}'), + 'extra_cppflags': d.expand('${BUILD_CPPFLAGS}'), + 'extra_cxxflags': d.expand('${BUILD_CXXFLAGS}'), + 'extra_ldflags': d.expand('${BUILD_LDFLAGS}'), + } + target_toolchain = { + 'toolchain_name': 'yocto_target', + 'current_cpu': gn_target_arch_name(d), + 'cc': d.expand('${CC}'), + 'cxx': d.expand('${CXX}'), + 'ar': d.expand('${AR}'), + 'nm': d.expand('${NM}'), + 'readelf': d.expand('${TARGET_PREFIX}readelf'), + 'extra_cflags': d.expand('${TARGET_CFLAGS}'), + 'extra_cppflags': d.expand('${TARGET_CPPFLAGS}'), + 'extra_cxxflags': d.expand('${TARGET_CXXFLAGS}'), + 'extra_ldflags': d.expand('${TARGET_LDFLAGS}'), + 'strip': '', + } + + with open(file_path, 'w') as toolchain_file: + toolchain_file.write( + '# This file has been generated automatically.\n' + '\n' + 'import("//build/config/sysroot.gni")\n' + 'import("//build/toolchain/gcc_toolchain.gni")\n' + '\n' + ) + toolchain_file.write(gcc_toolchain_tmpl.substitute(native_toolchain)) + toolchain_file.write(gcc_toolchain_tmpl.substitute(target_toolchain)) + toolchain_file.write(clang_toolchain_tmpl.substitute(native_toolchain)) + toolchain_file.write(clang_toolchain_tmpl.substitute(target_toolchain)) |