poky: subtree update:2dcd1f2a21..9d1b332292

Alejandro Hernandez Samaniego (2):
      baremetal-helloworld: Enable RISC-V 64 port
      baremetal-image: Fix post process command rootfs_update_timestamp

Alexander Kanavin (94):
      python3: add markdown/smartypants/typogrify modules
      gi-docgen: add a recipe and class
      gdk-pixbuf/pango: replace gtk-doc with gi-docgen
      vala: upgrade 0.50.4 -> 0.52.2
      xkbcomp: upgrade 1.4.4 -> 1.4.5
      stress-ng: upgrade 0.12.05 -> 0.12.06
      xserver-xorg: upgrade 1.20.10 -> 1.20.11
      xorgproto: upgrade 2020.1 -> 2021.3
      dpkg: update 1.20.7.1 -> 1.20.9
      puzzles: update to latest revision
      cmake: update 3.19.5 -> 3.20.1
      meson: update 0.57.1 -> 0.57.2
      systemd: backport a patch to avoid unnecessary rsync dependency with latest meson
      pulseaudio: unbreak build with latest meson
      libdnf: upgrade 0.58.0 -> 0.62.0
      bluez5: upgrade 5.56 -> 5.58
      libxkbcommon: update 1.0.3 -> 1.2.1
      libgudev: update 234 -> 236
      vulkan-samples: update to latest revision
      gnupg: upgrade 2.2.27 -> 2.3.1
      virglrenderer: update 0.8.2 -> 0.9.1
      webkitgtk: update 2.30.6 -> 2.32.0
      acl: upgrade 2.2.53 -> 2.3.1
      bind: upgrade 9.16.12 -> 9.16.13
      bison: upgrade 3.7.5 -> 3.7.6
      createrepo-c: upgrade 0.17.0 -> 0.17.2
      cronie: upgrade 1.5.5 -> 1.5.7
      dnf: upgrade 4.6.0 -> 4.7.0
      e2fsprogs: upgrade 1.46.1 -> 1.46.2
      gnu-efi: upgrade 3.0.12 -> 3.0.13
      systemd-boot: backport a fix to address failures with new gnu-efi
      gobject-introspection: upgrade 1.66.1 -> 1.68.0
      gtk+3: upgrade 3.24.25 -> 3.24.28
      harfbuzz: upgrade 2.7.4 -> 2.8.0
      less: upgrade 563 -> 581
      libfm: upgrade 1.3.1 -> 1.3.2
      libinput: upgrade 1.16.4 -> 1.17.1
      libwpe: upgrade 1.8.0 -> 1.10.0
      libxres: upgrade 1.2.0 -> 1.2.1
      linux-firmware: upgrade 20210208 -> 20210315
      pango: upgrade 1.48.2 -> 1.48.4
      piglit: upgrade to latest revision
      pkgconf: upgrade 1.7.3 -> 1.7.4
      python3-hypothesis: upgrade 6.2.0 -> 6.9.1
      python3-importlib-metadata: upgrade 3.4.0 -> 3.10.1
      python3-pytest: upgrade 6.2.2 -> 6.2.3
      python3-setuptools-scm: upgrade 5.0.1 -> 6.0.1
      x264: upgrade to latest revision
      ptest: add a test for orphaned ptests, and restore ones found by it
      swig: fix upstream version check
      liberation-fonts: fix upstream version check
      Revert "go: Use dl.google.com for SRC_URI"
      powertop: update 2.13 -> 2.14
      mesa: add lmsensors PACKAGECONFIG
      ffmpeg: update 4.3.2 -> 4.4
      qemu: use 4 cores in qemu guests
      avahi: disable gtk bits
      gdk-pixbuf: rewrite the cross-build support for tests
      gnome: drop upstream even condition from a few recipes
      expat: upgrade 2.2.10 -> 2.3.0
      meson.bbclass: split python routines into a separate class
      gstreamer1.0-plugins-base: backport a patch to fix meson 0.58 builds
      meson: update 0.57.2 -> 0.58.0
      qemu: backport a patch to fix meson 0.58 builds
      nativesdk-meson: correctly set cpu_family
      bitbake: fetch2/wget: when checking latest versions, consider all numerical directories
      mklibs: remove recipes and class
      local.conf: Drop support for mklibs
      u-boot: upgrade 2021.01 -> 2021.04
      gdk-pixbuf: update a patch status
      systemd: update 247.6 -> 248.3
      systemd-conf: do not version in lockstep with systemd
      gnu-config: update to latest revision
      mmc-utils: update to latest revision
      python3-smartypants: fix upstream version check
      at: upgrade 3.2.1 -> 3.2.2
      gnomebase: trim the SRC_URI directory from the back
      gsettings-desktop-schemas: upgrade 3.38.0 -> 40.0
      igt-gpu-tools: upgrade 1.25 -> 1.26
      mesa: update 21.0.3 -> 21.1.1
      vulkan-samples: update to latest revision
      libgpg-error: update 1.41 -> 1.42
      webkitgtk: update 2.32.0 -> 2.32.1
      glib-2.0: update 2.68.1 -> 2.68.2
      apt: upgrade 2.2.2 -> 2.2.3
      cmake: update 3.20.1 -> 3.20.2
      libdnf: update 0.62.0 -> 0.63.0
      harfbuzz: update 2.8.0 -> 2.8.1
      curl: update 7.76.0 -> 7.76.1
      systemtap: update 4.4 -> 4.5
      wayland: package target binaries into -tools, not into -dev
      ptest: add newly discovered missing runtime dependencies across recipes
      images: remove sato/weston ptest images
      images: add ptest images based on core-image-minimal

Andreas Müller (1):
      gstreamer1.0-plugins-good: fix build with gcc11

Andrej Valek (1):
      expat: upgrade 2.3.0 -> 2.4.1

Anuj Mittal (1):
      lsb-release: fix reproducibility failure

Armin Kuster (5):
      bitbake: hashserv/server.py: drop unused imports
      bitbake: hashserver/client.py: drop unused imports
      poky.yaml: fedora33: add missing pkgs
      systemctl: Stop tracebacks use formated error messages
      package_manager/rpm: decode systemctl failures

Bastian Krause (1):
      ccache: version bump 4.2.1 -> 4.3

Bruce Ashfield (18):
      linux-yocto/5.4: qemuppc32: reduce serial shutdown issues
      kern-tools: Kconfiglib: add support for bare 'modules' keyword
      lttng-modules: update devupstream to v2.13-rc
      lttng-modules: update to v2.12.6
      kernel-yocto: provide debug / summary information for metadata
      linux-yocto/5.10: update to v5.10.35
      linux-yocto/5.4: update to v5.4.117
      linux-yocto/5.10: ktypes/standard: disable obsolete crypto options by default
      linux-yocto/5.10: update to v5.10.36
      linux-yocto/5.4: update to v5.4.118
      linux-yocto/5.10: update to v5.10.37
      linux-yocto/5.4: update to v5.4.119
      kernel-devsrc: adjust NM and OBJTOOL variables for target
      linux-yocto/5.10: update to v5.10.38
      linux-yocto-dev: bump to v5.13+
      linux-yocto/5.4: update to v5.4.120
      linux-yocto/5.10: update to v5.10.41
      linux-yocto/5.4: update to v5.4.123

Carlos Rafael Giani (1):
      ffmpeg: Add libopus packageconfig

Changqing Li (2):
      unfs3: correct configure option
      pkgconfig: update SRC_URI

Chen Qi (3):
      db: update CVE_PRODUCT
      rt-tests: update SRCREV
      xxhash: backport patch to fix special char problem

Daniel McGregor (3):
      lib/oe/gpg_sign.py: Fix gpg verification
      sstate: Ignore sstate signing key
      bison: Make libtextstyle and libreadline optional

Daniel Wagenknecht (1):
      kernel-dev: document KCONFIG_MODE

Douglas Royds (3):
      Revert "icecc: Don't use icecc when INHIBIT_DEFAULT_DEPS is set"
      icecc: Demote "could not get ICECC_CC" warning to note
      icecc-create-env: Silence warning: invalid ICECC_ENV_EXEC

Drew Moseley (1):
      manuals: fix a few incorrect option specifications.

Guillaume Champagne (1):
      image-live.bbclass: order do_bootimg after do_rootfs

Joshua Watt (1):
      zstd: Add patch to fix MinGW builds

Kai Kang (1):
      grub2.inc: remove '-O2' from CFLAGS

Khem Raj (17):
      swig: Upgrade to 4.0.2
      python3-markdown: Upgrade to 3.3.4
      ffmpeg: Fix build on mips
      npth: Check for pthread_create for including lpthread
      gcc: Add target gcc include search for musl config too
      gcc: Extend .gccrelocprefix section support to musl configs
      gcc: Refresh patch to fix patch fuzz
      musl: Fix __NR_fstatat syscall name for riscv
      libxfixes: Update to 6.0.0 release
      xorgproto: Upgrade to 2021.4 release
      glibc: Update to latest 2.33 branch
      systemd: Fix 248.3 on musl
      glibc: Enable memory tagging for aarch64
      gcc: Update to latest on release/gcc-11 branch
      apt: Add missing <array> header
      ovmf: Fix VLA warnings with GCC 11
      libucontext: Switch to meson build system

Martin Jansa (4):
      gcc-sanitizers: Package up static hwasan files as well
      webkitgtk: fix build without opengl in DISTRO_FEATURES
      binutils: backport DWARF-5 support for gold
      sstatesig.py: make it fatal error when sstate manifest isn't found

Michael Halstead (3):
      releases: update to include 3.2.4
      uninative: Upgrade to 3.2 (gcc11 support)
      releases: update to include 3.3.1

Michael Opdenacker (8):
      manuals: reduce verbosity with "worry about" expression
      manuals: reduce verbosity related to "the following" expression
      ref-manual: simplify style
      kernel-dev manual: simplify style
      dev-manual: simplify style
      sdk-manual: simplify style and fix formating
      overview-manual: simplify style and add missings references
      manuals: simplify style

Mike Crowe (2):
      npm.bbclass: Allow nodedir to be overridden by NPM_NODEDIR
      libnotify: Make gtk+3 dependency optional

Ming Liu (4):
      kernel-fitimage.bbclass: fix a wrong conditional check
      initramfs-framework:rootfs: fix wrong indentions
      kernel-fitimage.bbclass: drop unit addresses from bootscr sections
      uboot-sign/kernel-fitimage: split generate_rsa_keys task

Nikolay Papenkov (1):
      flex: correct license information

Nisha Parrakat (1):
      squashfs-tools: package squashfs-fs.h

Peter Kjellerstedt (3):
      libcap: Configure Make variables correctly without a horrible hack
      util-linux.inc: Do not modify BPN
      native.bbclass: Do not remove "-native" in the middle of recipe names

Petr Vorel (1):
      ltp: Update to 20210524

Richard Purdie (92):
      oeqa/qemurunner: Fix binary vs str issue
      oeqa/qemurunner: Improve handling of run_serial for shutdown commands
      ptest-packagelists: Add expat-ptest to fast ptests
      puzzles: Upstream changed to main branch for development
      grub2: Add CVE whitelist entries for issues fixed in 2.06
      glibc: Document and whitelist CVE-2019-1010022-25
      qemu: Exclude CVE-2017-5957 from cve-check
      qemu: Exclude CVE-2007-0998 from cve-check
      qemu: Exclude CVE-2018-18438 from cve-check
      jquery: Exclude CVE-2007-2379 from cve-check
      logrotate: Exclude CVE-2011-1548,1549,1550 from cve-check
      openssh: Exclude CVE-2007-2768 from cve-check
      ovmf: Improve reproducibility by enabling prefix mapping
      bind: Exclude CVE-2019-6470 from cve-check
      openssh: Exclude CVE-2008-3844 from cve-check
      unzip: Exclude CVE-2008-0888 from cve-check
      cpio: Exclude CVE-2010-4226 from cve-check
      xinetd: Exclude CVE-2013-4342 from cve-check
      ghostscript: Exclude CVE-2013-6629 from cve-check
      bluez: Exclude CVE-2020-12352 CVE-2020-24490 from cve-check
      tiff: Exclude CVE-2015-7313 from cve-check
      ovmf: Disable lto to aid reproducibility
      ovmf: Fix other reproducibility issues
      rpm: Exclude CVE-2021-20271 from cve-check
      coreutils: Exclude CVE-2016-2781 from cve-check
      librsvg: Exclude CVE-2018-1000041 from cve-check
      avahi: Exclude CVE-2021-26720 from cve-check
      qemu: Set SMP to 4 cpus for arm/x86 only
      qemuboot-x86: Switch to IvyBridge and q35 instead of pc
      qemu-x86: Add commandline options to improve boot
      sstate: Handle manifest 'corruption' issue
      lttng-ust: Upgrade 2.12.1 -> 2.12.2
      qemu: Upgrade 5.2.0 -> 6.0.0
      python3-markupsafe: Upgrade 1.1.1 -> 2.0.0
      python3-jinja2: Upgrade 2.11.3 -> 3.0.0
      ofono: upgrade 1.31 -> 1.32
      libnss-mdns: upgrade 0.14.1 -> 0.15
      python3-git: upgrade 3.1.14 -> 3.1.17
      bind: upgrade 9.16.13 -> 9.16.15
      vala: upgrade 0.52.2 -> 0.52.3
      libjpeg-turbo: upgrade 2.0.6 -> 2.1.0
      btrfs-tools: upgrade 5.12 -> 5.12.1
      python3-hypothesis: upgrade 6.9.1 -> 6.12.0
      python3-numpy: upgrade 1.20.2 -> 1.20.3
      gtk+3: upgrade 3.24.28 -> 3.24.29
      sudo: upgrade 1.9.6p1 -> 1.9.7
      stress-ng: upgrade 0.12.06 -> 0.12.08
      less: upgrade 581 -> 586
      libtirpc: upgrade 1.3.1 -> 1.3.2
      libinput: upgrade 1.17.1 -> 1.17.2
      zstd: upgrade 1.4.9 -> 1.5.0
      hdparm: upgrade 9.61 -> 9.62
      libxkbcommon: upgrade 1.2.1 -> 1.3.0
      spirv-tools: upgrade 2020.7 -> 2021.1
      diffoscope: upgrade 172 -> 175
      mpg123: upgrade 1.26.5 -> 1.27.2
      sqlite3: upgrade 3.35.3 -> 3.35.5
      wayland-protocols: upgrade 1.20 -> 1.21
      shaderc: upgrade 2020.5 -> 2021.0
      wpebackend-fdo: upgrade 1.8.3 -> 1.8.4
      libxcrypt-compat: upgrade 4.4.19 -> 4.4.20
      Revert "cml1.bbclass: Return sorted list of cfg files"
      bitbake: server/process: Handle error in heartbeat funciton in OOM case
      glibc: Add 8GB VM usage cap for usermode test suite
      cve-extra-exclusions.inc: add exclusion list for intractable CVE's
      rpm: Drop CVE exclusion as database fixed to handle
      cve-extra-exclusions: Fix typos
      grub: Exclude CVE-2019-14865 from cve-check
      cve-extra-exclusions.inc: Clean up merged CPE updates
      ltp: Disable problematic tests causing autobuilder hangs
      python3-setuptools: upgrade 56.0.0 -> 56.2.0
      distro/maintainers: Fix up the ptest image entries
      oeqa/runtime/rpm: Drop log message counting test component
      linux-firmware: upgrade 20210315 -> 20210511
      libxcrypt: Upgrade 4.4.20 -> 4.4.22
      iproute2: upgrade 5.11.0 -> 5.12.0
      libx11: upgrade 1.7.0 -> 1.7.1
      python3-hypothesis: upgrade 6.12.0 -> 6.13.7
      pango: upgrade 1.48.4 -> 1.48.5
      python3-importlib-metadata: upgrade 4.0.1 -> 4.3.0
      libmodulemd: upgrade 2.12.0 -> 2.12.1
      vte: upgrade 0.64.0 -> 0.64.1
      libinput: upgrade 1.17.2 -> 1.17.3
      gi-docgen: upgrade 2021.5 -> 2021.6
      kmod: upgrade 28 -> 29
      xorgproto: upgrade 2021.4 -> 2021.4.99.1
      libpcre2: upgrade 10.36 -> 10.37
      libepoxy: upgrade 1.5.5 -> 1.5.8
      python3-jinja2: upgrade 3.0.0 -> 3.0.1
      curl: upgrade 7.76.1 -> 7.77.0
      python3-setuptools: upgrade 56.2.0 -> 57.0.0
      oeqa/qemurunner: Improve timeout handling

Richard Weinberger (1):
      Add support for erofs filesystems

Robert Joslyn (3):
      liberation-fonts: Update to 2.1.4
      epiphany: Update to 40.1
      btrfs-tools: Update to 5.12

Robert P. J. Day (8):
      sdk-manual: couple minor fixes in using.rst
      sdk-manual: various cleanups to intro.rst
      ref-manual: delete references to dead LSB compliance
      ref-manual: delete extraneous back quote
      image.bbclass: fix comment "pacackages" -> "packages"
      meta/lib/oe/rootfs.py: Fix typo "Restoreing" -> "Restoring"
      bitbake.conf: alphabetize contents of ASSUME_PROVIDED
      ref-manual: add links to some variables in glossary

Romain Naour (1):
      dejagnu: needs expect at runtime

Ross Burton (12):
      cairo: backport patch for CVE-2020-35492
      libnotify: whitelist CVE-2013-7381 (specific to the NodeJS bindings)
      builder: whitelist CVE-2008-4178 (a different builder)
      libarchive: disable redundant libxml2 PACKAGECONFIG
      meson: update patch status
      cups: whitelist CVE-2021-25317
      libsolv: add missing db dependency
      rpm: turn Berkeley DB hard dependency into PACKAGECONFIG
      python3: update status on upstreamed patch
      ref-manual: Ubuntu 20.04 is also LTS
      package_rpm: pass XZ_THREADS to rpm
      gcc: revert libstc++-gdb.py installation changes

Samuli Piippo (3):
      gcc-cross-canadian: add symlinks for ld.bfd and ld.gold
      libarchive: enable zstd support
      cmake-native: enabled zstd support

Stefan Ghinea (1):
      boost: fix do_fetch failure

Steve Sakoman (1):
      expat: set CVE_PRODUCT

Tony Tascioglu (3):
      libxml2: Reformat runtest.patch
      libxml2: Add bash dependency for ptests.
      libxml2: Update to 2.9.12

Trevor Gamblin (2):
      python3: upgrade 3.9.4 -> 3.9.5
      bind: upgrade 9.16.15 -> 9.16.16

Ulrich Ölmann (1):
      local.conf.sample: fix typo

Vinícius Ossanes Aquino (1):
      lttng-modules: backport patches to fix build against 5.12+ kernel

Yann Dirson (1):
      linux-firmware: include all relevant files in -bcm4356

hongxu (1):
      gdk-pixbuf: fix nativesdk do_configure failed

wangmy (21):
      python3-pygments: upgrade 2.8.1 -> 2.9.0
      at-spi2-core: upgrade 2.40.0 -> 2.40.1
      ell: upgrade 0.39 -> 0.40
      kexec-tools: upgrade 2.0.21 -> 2.0.22
      go: upgrade 1.16.3 -> 1.16.4
      python3-attrs: upgrade 20.3.0 -> 21.2.0
      python3-six: upgrade 1.15.0 -> 1.16.0
      vulkan-samples: update to latest revision
      vulkan-headers: upgrade 1.2.170.0 -> 1.2.176.0
      vulkan-tools: upgrade 1.2.170.0 -> 1.2.176.0
      vulkan-loader: upgrade 1.2.170.0 -> 1.2.176.0
      distcc: upgrade 3.3.5 -> 3.4
      libdrm: upgrade 2.4.105 -> 2.4.106
      libidn2: upgrade 2.3.0 -> 2.3.1
      libtasn1: upgrade 4.16.0 -> 4.17.0
      python3-libarchive-c: upgrade 2.9 -> 3.0
      python3-markupsafe: upgrade 2.0.0 -> 2.0.1
      python3-more-itertools: upgrade 8.7.0 -> 8.8.0
      python3-pytest: upgrade 6.2.3 -> 6.2.4
      logrotate: upgrade 3.18.0 -> 3.18.1
      stress-ng: upgrade 0.12.08 -> 0.12.09

zhengruoqin (10):
      busybox: upgrade 1.33.0 -> 1.33.1
      rng-tools: upgrade 6.11 -> 6.12
      rpcbind: upgrade 1.2.5 -> 1.2.6
      sysklogd: upgrade 2.2.2 -> 2.2.3
      python3-importlib-metadata: upgrade 3.10.1 -> 4.0.1
      python3-sortedcontainers: upgrade 2.3.0 -> 2.4.0
      rxvt-unicode: upgrade 9.22 -> 9.26
      libedit: upgrade 20210419-3.1 -> 20210522-3.1
      libtest-needs-perl: upgrade 0.002006 -> 0.002009
      libucontext: upgrade 0.10 -> 1.1

Change-Id: I5e5148036ac2a7918974733e5751c3392139b17e
Signed-off-by: William A. Kennington III <wak@google.com>

1 files changed, 34 insertions, 39 deletions

diff --git a/poky/documentation/overview-manual/concepts.rst b/poky/documentation/overview-manual/concepts.rst
index 2e3f1af44..e5bdcdad2 100644
--- a/poky/documentation/overview-manual/concepts.rst
+++ b/poky/documentation/overview-manual/concepts.rst
@@ -139,7 +139,7 @@ hardware-specific configurations allows you to share other metadata by
 using a different layer where that metadata might be common across
 several pieces of hardware.
 
-Many layers exist that work in the Yocto Project development environment. The
+There are many layers working in the Yocto Project development environment. The
 :yocto_home:`Yocto Project Curated Layer Index </software-overview/layers/>`
 and :oe_layerindex:`OpenEmbedded Layer Index <>` both contain layers from
 which you can use or leverage.
@@ -370,7 +370,7 @@ BitBake's global behavior. This section takes a closer look at the
 layers the build system uses to further control the build. These layers
 provide Metadata for the software, machine, and policies.
 
-In general, three types of layer input exists. You can see them below
+In general, there are three types of layer input. You can see them below
 the "User Configuration" box in the `general workflow
 figure <overview-manual/concepts:openembedded build system concepts>`:
 
@@ -427,8 +427,8 @@ Repositories <>` also shows layers categorized under "Yocto Metadata Layers."
 
 .. note::
 
-   Layers exist in the Yocto Project Source Repositories that cannot be
-   found in the OpenEmbedded Layer Index. These layers are either
+   There are layers in the Yocto Project Source Repositories that cannot be
+   found in the OpenEmbedded Layer Index. Such layers are either
    deprecated or experimental in nature.
 
 BitBake uses the ``conf/bblayers.conf`` file, which is part of the user
@@ -489,7 +489,7 @@ the machine (``conf/machine/machine.conf``) and, of course, the layer
 
 The remainder of the layer is dedicated to specific recipes by function:
 ``recipes-bsp``, ``recipes-core``, ``recipes-graphics``,
-``recipes-kernel``, and so forth. Metadata can exist for multiple
+``recipes-kernel``, and so forth. There can be metadata for multiple
 formfactors, graphics support systems, and so forth.
 
 .. note::
@@ -528,9 +528,7 @@ project that is more dynamic or experimental in nature, a project might
 keep source files in a repository controlled by a Source Control Manager
 (SCM) such as Git. Pulling source from a repository allows you to
 control the point in the repository (the revision) from which you want
-to build software. Finally, a combination of the two might exist, which
-would give the consumer a choice when deciding where to get source
-files.
+to build software. A combination of the two is also possible.
 
 BitBake uses the :term:`SRC_URI`
 variable to point to source files regardless of their location. Each
@@ -609,7 +607,7 @@ the specific revision from which to build.
 Source Mirror(s)
 ~~~~~~~~~~~~~~~~
 
-Two kinds of mirrors exist: pre-mirrors and regular mirrors. The
+There are two kinds of mirrors: pre-mirrors and regular mirrors. The
 :term:`PREMIRRORS` and
 :term:`MIRRORS` variables point to
 these, respectively. BitBake checks pre-mirrors before looking upstream
@@ -667,8 +665,8 @@ package files are kept:
    variables are used, respectively.
 
 -  :term:`PACKAGE_ARCH`: Defines
-   architecture-specific sub-folders. For example, packages could exist
-   for the i586 or qemux86 architectures.
+   architecture-specific sub-folders. For example, packages could be
+   available for the i586 or qemux86 architectures.
 
 BitBake uses the
 :ref:`do_package_write_* <ref-tasks-package_write_deb>`
@@ -681,8 +679,8 @@ and
 ":ref:`ref-tasks-package_write_tar`"
 sections in the Yocto Project Reference Manual for additional
 information. As an example, consider a scenario where an IPK packaging
-manager is being used and package architecture support for both i586 and
-qemux86 exist. Packages for the i586 architecture are placed in
+manager is being used and there is package architecture support for both
+i586 and qemux86. Packages for the i586 architecture are placed in
 ``build/tmp/deploy/ipk/i586``, while packages for the qemux86
 architecture are placed in ``build/tmp/deploy/ipk/qemux86``.
 
@@ -698,7 +696,7 @@ closer look at each of those areas.
 
 .. note::
 
-   Separate documentation exists for the BitBake tool. See the
+   Documentation for the BitBake tool is available separately. See the
    BitBake User Manual
    for reference material on BitBake.
 
@@ -783,12 +781,10 @@ Build Directory's hierarchy:
 
 .. note::
 
-   In the previous figure, notice that two sample hierarchies exist: one
-   based on package architecture (i.e.
-   PACKAGE_ARCH
-   ) and one based on a machine (i.e.
-   MACHINE
-   ). The underlying structures are identical. The differentiator being
+   In the previous figure, notice that there are two sample hierarchies:
+   one based on package architecture (i.e. :term:`PACKAGE_ARCH`)
+   and one based on a machine (i.e. :term:`MACHINE`).
+   The underlying structures are identical. The differentiator being
    what the OpenEmbedded build system is using as a build target (e.g.
    general architecture, a build host, an SDK, or a specific machine).
 
@@ -963,8 +959,7 @@ that part of the build process.
 
 .. note::
 
-   Support for creating feeds directly from the
-   deploy/\*
+   Support for creating feeds directly from the ``deploy/*``
    directories does not exist. Creating such feeds usually requires some
    kind of feed maintenance mechanism that would upload the new packages
    into an official package feed (e.g. the Ångström distribution). This
@@ -1156,9 +1151,9 @@ checksum <overview-manual/concepts:checksums (signatures)>`.
    OpenEmbedded.
 
 To determine if a task needs to be rerun, BitBake checks if a stamp file
-with a matching input checksum exists for the task. If such a stamp file
-exists, the task's output is assumed to exist and still be valid. If the
-file does not exist, the task is rerun.
+with a matching input checksum exists for the task. In this case,
+the task's output is assumed to exist and still be valid. Otherwise,
+the task is rerun.
 
 .. note::
 
@@ -1234,14 +1229,14 @@ to run any of the ``do_fetch``, ``do_unpack``, ``do_patch``,
 
 It becomes more complicated if everything can come from an sstate cache
 because some objects are simply not required at all. For example, you do
-not need a compiler or native tools, such as quilt, if nothing exists to
-compile or patch. If the ``do_package_write_*`` packages are available
+not need a compiler or native tools, such as quilt, if there isn't anything
+to compile or patch. If the ``do_package_write_*`` packages are available
 from sstate, BitBake does not need the ``do_package`` task data.
 
 To handle all these complexities, BitBake runs in two phases. The first
 is the "setscene" stage. During this stage, BitBake first checks the
 sstate cache for any targets it is planning to build. BitBake does a
-fast check to see if the object exists rather than a complete download.
+fast check to see if the object exists rather than doing a complete download.
 If nothing exists, the second phase, which is the setscene stage,
 completes and the main build proceeds.
 
@@ -1366,9 +1361,9 @@ can initialize the environment before using the tools.
 
 All the output files for an SDK are written to the ``deploy/sdk`` folder
 inside the :term:`Build Directory` as
-shown in the previous figure. Depending on the type of SDK, several
-variables exist that help configure these files. The following list
-shows the variables associated with an extensible SDK:
+shown in the previous figure. Depending on the type of SDK, there are
+several variables to configure these files. Here are the variables
+associated with an extensible SDK:
 
 -  :term:`DEPLOY_DIR`: Points to
    the ``deploy`` directory.
@@ -1577,8 +1572,8 @@ Shared State Cache
 By design, the OpenEmbedded build system builds everything from scratch
 unless :term:`BitBake` can determine
 that parts do not need to be rebuilt. Fundamentally, building from
-scratch is attractive as it means all parts are built fresh and no
-possibility of stale data exists that can cause problems. When
+scratch is attractive as it means all parts are built fresh and there is
+no possibility of stale data that can cause problems. When
 developers hit problems, they typically default back to building from
 scratch so they have a know state from the start.
 
@@ -1617,7 +1612,7 @@ them if they are deemed to be valid.
 
    -  The build system does not maintain
       :term:`PR` information as part of
-      the shared state packages. Consequently, considerations exist that
+      the shared state packages. Consequently, there are considerations that
       affect maintaining shared state feeds. For information on how the
       build system works with packages and can track incrementing ``PR``
       information, see the ":ref:`dev-manual/common-tasks:automatically incrementing a package version number`"
@@ -1687,7 +1682,7 @@ used to prune the "run" scripts down to the minimum set, thereby
 alleviating this problem and making the "run" scripts much more readable
 as a bonus.
 
-So far, solutions for shell scripts exist. What about Python tasks? The
+So far, there are solutions for shell scripts. What about Python tasks? The
 same approach applies even though these tasks are more difficult. The
 process needs to figure out what variables a Python function accesses
 and what functions it calls. Again, the incremental build solution
@@ -1695,7 +1690,7 @@ contains code that first figures out the variable and function
 dependencies, and then creates a checksum for the data used as the input
 to the task.
 
-Like the ``WORKDIR`` case, situations exist where dependencies should be
+Like the ``WORKDIR`` case, there can be situations where dependencies should be
 ignored. For these situations, you can instruct the build process to
 ignore a dependency by using a line like the following::
 
@@ -1732,7 +1727,7 @@ to add is a policy decision. However, the effect is to generate a master
 checksum that combines the basehash and the hashes of the task's
 dependencies.
 
-At the code level, a variety of ways exist by which both the basehash
+At the code level, there are multiple ways by which both the basehash
 and the dependent task hashes can be influenced. Within the BitBake
 configuration file, you can give BitBake some extra information to help
 it construct the basehash. The following statement effectively results
@@ -1961,8 +1956,8 @@ Automatically Added Runtime Dependencies
 The OpenEmbedded build system automatically adds common types of runtime
 dependencies between packages, which means that you do not need to
 explicitly declare the packages using
-:term:`RDEPENDS`. Three automatic
-mechanisms exist (``shlibdeps``, ``pcdeps``, and ``depchains``) that
+:term:`RDEPENDS`. There are three automatic
+mechanisms (``shlibdeps``, ``pcdeps``, and ``depchains``) that
 handle shared libraries, package configuration (pkg-config) modules, and
 ``-dev`` and ``-dbg`` packages, respectively. For other types of runtime
 dependencies, you must manually declare the dependencies.