[Buildroot] [PATCH v8 0/3] Qt WebEngine support

[Gaël PORTAY]

Hi all,

The purpose of this patch series is to continue the integration of Qt5 WebEngine
in buildroot; started long time ago by Akihiko Odaki [1] and Julien Corjon [2].

The first patch provides the Qt WebEngine package.

The second patch is a special defconfig that provides a Qt WebEngine setup on
raspberrypi3 to provide a demo.

I have tested it with a rpi 3; and I will be glad if someone else has another
EGL platform to test it. You will find instructions to try qtwebengine on rpi3
in the commit message of the first patch.

Enjoy ;)

Note: Tested against:
        - GCC 6.x and binutils 2.27 on rpi 3.
        - GCC 7.x and binutils 2.28 on rpi 3.

[1] https://patchwork.ozlabs.org/patch/640633/
[2] http://lists.busybox.net/pipermail/buildroot/2015-July/132010.html

Changes since RFC:
 - rebase to master (use SPDX licenses, remove license approved, update
   qt5_defconfig...)
 - remove the patch "prefer arm tune"
 - disable build with Qt 5.6 LTS (not working, waiting for 5.6.3 in August)
 - re-order patches

Changes since v1:
 - manually create symlinks to preserve SONAME
 - add my signed-off-by to the qt webengine patch
 - make qtwe package depends on supported architectures
 - fix Kconfig comment about Qt 5.6
 - sort alphabetically chromium licenses

Changes since v2:
 - fix build issue when I sorted alphabetically the chromium licenses
 - replace legacy option BR2_TARGET_ROOTFS_EXT2_BLOCK to
   new option BR2_TARGET_ROOTFS_EXT2_SIZE

Changes since v3:
 - add my signed-off-by and the PR link to the rpi-userland patch
 - move rpi patch index from 0001 to 0007

Changes since v4:
 - bump to Qt WebEngine to 5.9.1
 - added the mainlined patch that fixes the build issue with samples when print
   is not supported
 - udev is selected (required by chromium)
 - add config entry to use system ffmpeg and set it to yes by default
 - the patch concerning the path to CA certificates has been removed since it is
   no more relevant in 5.9.x
 - increase BR2_TARGET_ROOTFS_EXT2_SIZE to 360MB to support
   $ du -sk target/
   312480	target/

Changes since v5:
 - really add the mainlined patch that fixes the build issue with samples when
   print is not supported
 - add BR2_PACKAGE_QT5WEBENGINE_ARCH_SUPPORTS to list all supported
   architectures
 - add BR2_PACKAGE_QT5WEBENGINE missing dependencies (tc, mmu, wchar...)
 - stop using && for depends on relationships
 - update chromium licence list in chromium.inc
 - remove option BR2_PACKAGE_QT5WEBENGINE_SYSTEM_FFMPEG;
   and compile ffmpeg, opus, libvpx and webp packages
 - reword help and add url to documentation of package qt5webengine
 - remove hash of 5.6.2 version
 - add QT5WEBENGINE_ namespace to QMAKEFLAGS
 - add missing TARGET_MAKE_ENV to BUILD_CMD
 - create python symlink form $(HOST_DIR)/bin (was $(HOST_DIR)/usr/bin)
 - add myself to DEVELOPERS

Changes since v6:
 - rpi-userland commit message:
   fix output of ls -l snippet
   update url to link to qtwe-5.9.1
   add upstream-status
 - qtwe:
   add missing host-bison, host-flex and host-pkgconf dependencies
   select BR2_HOSTARCH_NEEDS_IA32_COMPILER to let v8 compiles its host-tools
   with the same word-size as the target.

Changes since v7:
 - rpi-userland:
   remove rpi-userland patch and apply upstreamed commit suggested by Yann.
 - qtwe:
   reword the commit message to include notes from the coverletter
   depends on has udev + comment (udev is needed at runtime)
   depends on uses glibc + comment (for now, it builds only with glibc)
   select qtquickcontrols2 (may be needed at runtime)
   reword BR2_HOSTARCH_NEEDS_IA32_COMPILER comment
 - raspberrypi3_qt5we_defconfig:
   rename raspberrypi3_qt5_defconfig into raspberrypi3_qt5we_defconfig
   bump kernel (synced with all rpi defconfigs)
   add gif, jpeg and options to raspberrypi3_qt5we_defconfig
   use M suffix with BR2_TARGET_ROOTFS_EXT2_SIZE option

Gaël PORTAY (3):
  qt5webengine: new package
  configs: new raspberrypi3 qt5we config

 DEVELOPERS                                         |   1 +
 configs/raspberrypi3_qt5we_defconfig               |  50 ++++
 package/qt5/Config.in                              |   1 +
 .../0001-Always-compile-QWebEnginePage-print.patch | 246 ++++++++++++++++
 ...ad-libEGL-and-libGLES2-symbols-implicitly.patch |  89 ++++++
 package/qt5/qt5webengine/Config.in                 |  86 ++++++
 package/qt5/qt5webengine/chromium.inc              | 310 +++++++++++++++++++++
 package/qt5/qt5webengine/qt5webengine.hash         |   2 +
 package/qt5/qt5webengine/qt5webengine.mk           |  80 ++++++
 9 files changed, 865 insertions(+)
 create mode 100644 configs/raspberrypi3_qt5we_defconfig
 create mode 100644 package/qt5/qt5webengine/5.9.1/0001-Always-compile-QWebEnginePage-print.patch
 create mode 100644 package/qt5/qt5webengine/5.9.1/0002-Load-libEGL-and-libGLES2-symbols-implicitly.patch
 create mode 100644 package/qt5/qt5webengine/Config.in
 create mode 100644 package/qt5/qt5webengine/chromium.inc
 create mode 100644 package/qt5/qt5webengine/qt5webengine.hash
 create mode 100644 package/qt5/qt5webengine/qt5webengine.mk

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2.13.2