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* OpenGL packageconfigs now work differently. There are separate ones for OpenGL API/platform/window system selection. The meson.build script expects the selected ones as comma separated lists. For example, like "-Dgl_api=opengl,gles2". The variables OPENGL_APIS / OPENGL_PLATFORMS / OPENGL_WINSYS are whitespace-separated lists (which is the OE norm) of the respective packageconfigs. .bbappend files can then extend these lists with additional possible configs. "Possible" means that the target can support those packageconfigs. This does not immediately add them to the PACKAGECONFIG variable - this still has to be done manually. The get_opengl_cmdline_list() goes through these lists, and for each entry, checks if it is contained in the PACKAGECONFIG variable. If so, they get added to the comma separated lists that are passed to meson. For example, a Raspberry Pi layer could add "dispmanx" to OPENGL_WINSYS. * The "ivorbis" packageconfig got renamed to "tremor", since that is the name of the OE recipe, and now also the name of the meson option. * 0001-meson-build-gir-even-when-cross-compiling-if-introsp.patch and 0002-meson-Add-variables-for-gir-files.patch are backported fixes for GIR support in the meson.build files. * make-gio_unix_2_0-dependency-configurable.patch removed because it is no longer useful to have. * link-with-libvchostif.patch removed because the flags it changed are no longer present in the meson.build scripts. If the related issue reappears, a similar patch can be applied again. * 0003-riff-add-missing-include-directories-when-calling-in.patch removed since the entire gst riff library has been excluded from GObject introspection due to naming convention issues. * Removed a number of autotool/M4 related patches and recipe lines. * gtk-doc support is handled here, not in gstreamer1.0-plugins-common.inc, since unlike with autotools, only some plugin set packages use gtk-doc. * zlib is no longer optional, and glib anyway depends on zlib, therefore it gets added to the DEPENDS list. * gettext handling now part of gstreamer1.0-plugins-common.inc. (From OE-Core rev: 20614408dc4e0593f2cce2e342d5b8a15f182c14) Signed-off-by: Carlos Rafael Giani <crg7475@mailbox.org> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
QEMU Emulation Targets ====================== To simplify development, the build system supports building images to work with the QEMU emulator in system emulation mode. Several architectures are currently supported in 32 and 64 bit variants: * ARM (qemuarm + qemuarm64) * x86 (qemux86 + qemux86-64) * PowerPC (qemuppc only) * MIPS (qemumips + qemumips64) Use of the QEMU images is covered in the Yocto Project Reference Manual. The appropriate MACHINE variable value corresponding to the target is given in brackets.