openvela

创建自定义 BSP 层

$ bitbake -e <package> | grep ^WORKDIR=

FILES_${PN} += "${bindir}/file.bin"

FILES_${PN}-dev += "${libdir}/lib.so"

$ bitbake -e core-image-minimal | grep ^IMAGE_ROOTFS=

$ yocto-layer create custom

# We have a conf and classes directory, add to BBPATH
BBPATH .= ":${LAYERDIR}"

# We have recipes-* directories, add to BBFILES
BBFILES += "${LAYERDIR}/recipes-*/*/*.bb \
        ${LAYERDIR}/recipes-*/*/*.bbappend"

BBFILE_COLLECTIONS += "custom"
BBFILE_PATTERN_custom = "^${LAYERDIR}/"
BBFILE_PRIORITY_custom = "6"

SRC_URI_append_wandboard-quad = " file://mypatch.patch"

SRC_URI_append_mx6 = " file://mypatch.patch"

conf/machine/wandboard-quad.conf:SOC_FAMILY = "mx6:mx6q:wandboard"

include conf/machine/include/soc-family.inc
MACHINEOVERRIDES =. "${@['', '${SOC_FAMILY}:']['${SOC_FAMILY}' != '']}"

${PN}-${PV}/${DISTRO}
${PN}/${DISTRO}
files/${DISTRO}

${PN}-${PV}/${MACHINE}
${PN}/${MACHINE}
files/${MACHINE}

${PN}-${PV}/${SOC_FAMILY}
${PN}/${SOC_FAMILY}
files/${SOC_FAMILY}

${PN}-${PV}/${TARGET_ARCH}
${PN}/${TARGET_ARCH}
files/${TARGET_ARCH}

${PN}-${PV}/
${PN}/
files/

${PN}-${PV}/poky
${PN}/poky
files/poky
${PN}-${PV}/wandboard-quad
${PN}/wandboard-quad
files/wandboard-quad
${PN}-${PV}/wandboard
${PN}/wandboard
files/wandboard
${PN}-${PV}/mx6q
${PN}/mx6q
files/mx6q
${PN}-${PV}/mx6
${PN}/mx6
files/mx6
${PN}-${PV}/armv7a
${PN}/armv7a
files/armv7a
${PN}-${PV}/arm
${PN}/arm
files/arm
${PN}-${PV}/
${PN}/
files/

FILESEXTRAPATHS_prepend := "${THISDIR}/folder:"

PREFERRED_PROVIDER_virtual/kernel = "linux-imx"

PREFERRED_VERSION_linux-imx_mx6 = "3.10.17"

PREFERRED_VERSION_linux-imx_mx6 = "3.10%"

DEFAULT_PREFERENCE = "-1"

$ bitbake-layers show-recipes | grep -A 1 htop
htop:
 meta-oe              1.0.3

$ bitbake -s | grep htop
htop                                                :1.0.3-r0

$ find . -type f -name "htop*.bb"
./meta-openembedded/meta-oe/recipes-support/htop/htop_1.0.3.bb

IMAGE_INSTALL_append = " htop"

IMAGE_INSTALL_append_pn-core-image-minimal = " htop"

FEATURE_PACKAGES_debug-utils = "strace perf"

EXTRA_IMAGE_FEATURES += "debug-utils"

SUMMARY = "Debug applications packagegroup"
LICENSE = "GPLv2"
LIC_FILES_CHKSUM = "file://${COREBASE}/LICENSE;md5=3f40d7994397109285ec7b81fdeb3b58"

inherit packagegroup

RDEPENDS_${PN} = "\
    strace \
    perf \
"

FEATURE_PACKAGES_debug-utils = "packagegroup-debug-utils"

SUMMARY = "A small image just capable of allowing a device to boot."

IMAGE_INSTALL = "packagegroup-core-boot ${ROOTFS_PKGMANAGE_BOOTSTRAP} ${CORE_IMAGE_EXTRA_INSTALL}"

IMAGE_LINGUAS = " "

LICENSE = "MIT"

inherit core-image

IMAGE_ROOTFS_SIZE ?= "8192"

require recipes-core/images/core-image-minimal.bb
IMAGE_FEATURES += "ssh-server-dropbear package-management"

ROOTFS_POSTPROCESS_COMMAND += "function1;...;functionN"

$ bitbake -c menuconfig busybox

$ bitbake -C compile busybox

$ bitbake -e busybox | grep ^WORKDIR=
$ scp ${WORKDIR}/deploy-rpms/cortexa9hf_vfp_neon/busybox- 1.22.1-r32.cortexa9hf_vfp_neon.rpm root@<target_ip>:/tmp

# rpm --force -U /tmp/busybox-1.22.1- r32.cortexa9hf_vfp_neon.rpm

SUMMARY = "The package description for the package management system"

LICENSE = "The package's licenses typically from meta/files/common-licenses/"
LIC_FILES_CHKSUM = "License checksum used to track open license changes"
DEPENDS = "Package list of build time dependencies"

SRC_URI = "Local or remote file or repository to fetch"
SRC_URI[md5sum] = "md5 checksums for all remote fetched files (not for repositories)"
SRC_URI[sha256sum] = "sha256 checksum for all remote fetched files (not for repositories)"

S = "Location of the source in the working directory, by default ${WORKDIR}/${PN}-${PV}."

inherit <class needed for some functionality>

# Task overrides, like do_configure, do_compile and do_install, or nothing.

# Package splitting (if needed).

# Machine selection variables (if needed).

LICENSE = "GPL-2.0 | MIT"

LICENSE = "ISC & MIT"

LICENSE_${PN} = "GPLv2"
LICENSE_${PN}-dev = "GPLv2"
LICENSE_${PN}-dbg = "GPLv2"
LICENSE_${PN}-doc = "CC-BY-2.0"

LIC_FILES_CHKSUM = "file://${COREBASE}/meta/files/common- licenses/GPL-2.0;md5=801f80980d171dd6425610833a22dbe6"
LIC_FILES_CHKSUM = "file://COPYING;md5=f7bdc0c63080175d1667091b864cb12c"
LIC_FILES_CHKSUM = "file://usr/include/head.h;endline=7;md5=861ebad4adc7236f8d1905338 abd7eb2"
LIC_FILES_CHKSUM = "file://src/file.c;beginline=5;endline=13;md5=6c7486b21a8524b1879f a159578da31e"

SRCREV = "04024dea2674861fcf13582a77b58130c67fccd8"
SRC_URI = "git://repo.com/git/ \
           file://fix.patch;name=patch \
           http://example.org/archive.data;name=archive"
SRC_URI[archive.md5sum] = "aaf32bde135cf3815aa3221726bad71e"
SRC_URI[archive.sha256sum] = "65be91591546ef6fdfec93a71979b2b108eee25edbc20c53190caafc9a92d4e7"

S = "${WORKDIR}/git"

DESCRIPTION = "Simple helloworld application"
SECTION = "examples"
LICENSE = "MIT"
LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda2f7b4f302"

SRC_URI = "file://helloworld.c"

S = "${WORKDIR}"

do_compile() {
             ${CC} helloworld.c -o helloworld
}

do_install() {
             install -d ${D}${bindir}
             install -m 0755 helloworld ${D}${bindir}
}

#include <stdio.h>

int main(void)
{
    return printf("Hello World");
}

PACKAGECONFIG ??= "feature"
PACKAGECONFIG[feature] = "--with-feature,--without-feature,build- deps-feature,rt-deps-feature"

PACKAGECONFIG_append = " feature1 feature2"

PACKAGECONFIG_pn-<package_name> = "feature1 feature2"
PACKAGECONFIG_append_pn-<package_name> = " feature1 feature2"

PACKAGECONFIG ??= "gnutls"
PACKAGECONFIG[gnutls] = ",,gnutls"
PACKAGECONFIG[openssl] = ",,openssl"

FILES_${PN} += "List of files to include in the main package"
FILES_${PN}-dbg += "Optional list of files to include in the debug package"
FILES_${PN}-dev += "Optional list of files to include in the development package"
FILES_${PN}-doc += "Optional list of files to include in the documentation package"

PACKAGE_ARCH = "${MACHINE_ARCH}"

COMPATIBLE_MACHINE = "(mxs|mx5|mx6)"

DESCRIPTION = "Example of data or configuration recipe"
SECTION = "examples"

LICENSE = "GPLv2"
LIC_FILES_CHKSUM = "file://${COREBASE}/meta/files/common-licenses/GPL-2.0;md5=801f80980d171dd6425610833a22dbe6"

SRCREV = "${AUTOREV}"
SRC_URI = "git://github.com/yoctocookbook/examples.git \
           file://example.data"

S = "${WORKDIR}/git"

inherit allarch

do_compile() {
}

do_install() {
        install -d ${D}${sysconfdir}
        install -d ${D}${sbindir}
        install -m 0755 ${WORKDIR}/example.data ${D}/${sysconfdir}/
        install -m 0755 ${S}/python-scripts/* ${D}/${sbindir}
}

<username>:<password>:<uid>:<gid>:<comment>:<home directory>:<login shell>

root::0:0:root:/root:/bin/sh
daemon:*:1:1:daemon:/usr/sbin:/bin/sh
bin:*:2:2:bin:/bin:/bin/sh
sys:*:3:3:sys:/dev:/bin/sh
sync:*:4:65534:sync:/bin:/bin/sync
games:*:5:60:games:/usr/games:/bin/sh
man:*:6:12:man:/var/cache/man:/bin/sh
lp:*:7:7:lp:/var/spool/lpd:/bin/sh
mail:*:8:8:mail:/var/mail:/bin/sh
news:*:9:9:news:/var/spool/news:/bin/sh
uucp:*:10:10:uucp:/var/spool/uucp:/bin/sh
proxy:*:13:13:proxy:/bin:/bin/sh
www-data:*:33:33:www-data:/var/www:/bin/sh
backup:*:34:34:backup:/var/backups:/bin/sh
list:*:38:38:Mailing List Manager:/var/list:/bin/sh
irc:*:39:39:ircd:/var/run/ircd:/bin/sh
gnats:*:41:41:Gnats Bug-Reporting System (admin):/var/lib/gnats:/bin/sh
nobody:*:65534:65534:nobody:/nonexistent:/bin/sh

USERADD_PACKAGES = "${PN}"

inherit useradd

PASSWORD ?= "miDBHFo2hJSAA"
USERADD_PACKAGES = "${PN}"
USERADD_PARAM_${PN} = "--system --create-home \
                       --groups tty \
                       --password ${PASSWORD} \
                       --user-group ${PN}"

USERADDEXTENSION = "useradd-staticids"

USERADD_ERROR_DYNAMIC = "1"

inherit extrausers

EXTRA_USERS_PARAMS = "\
  useradd -P password root; \
  "

# /etc/inittab: init(8) configuration.
# $Id: inittab,v 1.91 2002/01/25 13:35:21 miquels Exp $

# The default runlevel.
id:5:initdefault:

# Boot-time system configuration/initialization script.
# This is run first except when booting in emergency (-b) mode.
si::sysinit:/etc/init.d/rcS

# What to do in single-user mode.
~~:S:wait:/sbin/sulogin

# /etc/init.d executes the S and K scripts upon change
# of runlevel.
#
# Runlevel 0 is halt.
# Runlevel 1 is single-user.
# Runlevels 2-5 are multi-user.
# Runlevel 6 is reboot.

l0:0:wait:/etc/init.d/rc 0
l1:1:wait:/etc/init.d/rc 1
l2:2:wait:/etc/init.d/rc 2
l3:3:wait:/etc/init.d/rc 3
l4:4:wait:/etc/init.d/rc 4
l5:5:wait:/etc/init.d/rc 5
l6:6:wait:/etc/init.d/rc 6
# Normally not reached, but fallthrough in case of emergency.
z6:6:respawn:/sbin/sulogin

INITSCRIPT_PACKAGES = "${PN}-httpd ${PN}-ftpd"
INITSCRIPT_NAME_${PN}-httpd = "httpd.sh"
INITSCRIPT_NAME_${PN}-ftpd = "ftpd.sh"
INITSCRIPT_PARAMS_${PN}-httpd = "defaults"
INITSCRIPT_PARAMS_${PN}-ftpd = "start 99 5 2 . stop 20 0 1 6 ."

DESCRIPTION = "Initscripts for mounting filesystems"
LICENSE = "MIT"

LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda2f7b4 f302"

SRC_URI = "file://mount.sh"

INITSCRIPT_NAME = "mount.sh"
INITSCRIPT_PARAMS = "start 09 S ."

inherit update-rc.d

S = "${WORKDIR}"

do_install () {
    install -d ${D}${sysconfdir}/init.d/
    install -c -m 755 ${WORKDIR}/${INITSCRIPT_NAME} ${D}${sysconfdir}/init.d/${INITSCRIPT_NAME}
}

DISTRO_FEATURES_append = " systemd"

VIRTUAL-RUNTIME_init_manager = "systemd"

DISTRO_FEATURES_BACKFILL_CONSIDERED = "sysvinit"
VIRTUAL-RUNTIME_initscripts = ""

+CONFIG_FHANDLE=y
+CONFIG_CGROUPS=y
+CONFIG_SECCOMP=y
+CONFIG_NET=y
+CONFIG_UNIX=y
+CONFIG_INET=y
+CONFIG_AUTOFS4_FS=y
+CONFIG_TMPFS=y
+CONFIG_TMPFS_POSIX_ACL=y
+CONFIG_SCHEDSTATS=y

SYSTEMD_PACKAGES = "${PN}-syslog"
SYSTEMD_SERVICE_${PN}-syslog = "busybox-syslog.service"
SYSTEMD_AUTO_ENABLE = "disabled"

     pkg_preinst_${PN} () {
         # Shell commands
     }

 pkg_postinst_${PN} () {
     if [ x"$D" = "x" ]; then
          # Commands to execute on device
     else
          # Commands to execute on host
     fi
 }

CONFIG_KERNEL_XZ=y
CONFIG_NO_HZ=y
CONFIG_HIGH_RES_TIMERS=y
CONFIG_BLK_DEV_INITRD=y
CONFIG_CC_OPTIMIZE_FOR_SIZE=y
CONFIG_EMBEDDED=y
CONFIG_SLOB=y
CONFIG_ARCH_MXC=y
CONFIG_SOC_IMX6Q=y
CONFIG_SOC_IMX6SL=y
CONFIG_SMP=y
CONFIG_VMSPLIT_2G=y
CONFIG_AEABI=y
CONFIG_CPU_FREQ=y
CONFIG_ARM_IMX6_CPUFREQ=y
CONFIG_CPU_IDLE=y
CONFIG_VFP=y
CONFIG_NEON=y
CONFIG_DEVTMPFS=y
CONFIG_DEVTMPFS_MOUNT=y
CONFIG_PROC_DEVICETREE=y
CONFIG_SERIAL_IMX=y
CONFIG_SERIAL_IMX_CONSOLE=y
CONFIG_REGULATOR=y
CONFIG_REGULATOR_ANATOP=y
CONFIG_MMC=y
CONFIG_MMC_SDHCI=y
CONFIG_MMC_SDHCI_PLTFM=y
CONFIG_MMC_SDHCI_ESDHC_IMX=y
CONFIG_DMADEVICES=y
CONFIG_IMX_SDMA=y
CONFIG_EXT3_FS=y

$ size vmlinux */built-in.o
text    data     bss     dec     hex filename
8746205  356560  394484 9497249  90eaa1 vmlinux
117253    2418    1224  120895   1d83f block/built-in.o
243859   11158      20  255037   3e43d crypto/built-in.o
2541356  163465   34404 2739225  29cc19 drivers/built-in.o
1956       0       0    1956     7a4 firmware/built-in.o
1728762   18672   10544 1757978  1ad31a fs/built-in.o
20361   14701     100   35162    895a init/built-in.o
29628     760       8   30396    76bc ipc/built-in.o
576593   20644  285052  882289   d7671 kernel/built-in.o
106256   24847    2344  133447   20947 lib/built-in.o
291768   14901    3736  310405   4bc85 mm/built-in.o
1722683   39947   50928 1813558  1bac36 net/built-in.o
34638     848     316   35802    8bda security/built-in.o
276979   19748    1332  298059   48c4b sound/built-in.o
138       0       0     138      8a usr/built-in.o

$ nm --size-sort --print-size -r vmlinux | head
 808bde04 00040000 B __log_buf
 8060f1c0 00004f15 r kernel_config_data
 80454190 000041f0 T hidinput_connect
 80642510 00003d40 r drm_dmt_modes
 8065cbbc 00003414 R v4l2_dv_timings_presets
 800fbe44 000032c0 T __blockdev_direct_IO
 80646290 00003100 r edid_cea_modes
 80835970 00003058 t imx6q_clocks_init
 8016458c 00002e74 t ext4_fill_super
 8056a814 00002aa4 T hci_event_packet

$ dmesg | grep -A 3 "text"
 .text : 0x80008000 - 0x80a20538   (10338 kB)
 .init : 0x80a21000 - 0x80aae240   ( 565 kB)
 .data : 0x80ab0000 - 0x80b13644   ( 398 kB)
 .bss  : 0x80b13644 - 0x80b973fc   ( 528 kB)

Freeing unused kernel memory: 564K (80a21000 - 80aae000)

DESCRIPTION = "Minimal console image."

IMAGE_INSTALL= "\
        base-files \
        base-passwd \
        busybox \
        sysvinit \
        initscripts \
        ${ROOTFS_PKGMANAGE_BOOTSTRAP} \
        ${CORE_IMAGE_EXTRA_INSTALL} \
"

IMAGE_LINGUAS = " "

LICENSE = "MIT"

inherit core-image

IMAGE_ROOTFS_SIZE ?= "8192"

DISTRO = "poky-tiny"

INSANE_SKIP_glibc-locale = "installed-vs-shipped"

$ sort -r -g  -k 4,4 files-in-image.txt -o sorted-files-in-image.txt
sorted-files-in-image.txt:
-rwxr-xr-x root       root          1238640 ./lib/libc-2.19.so
-rwxr-xr-x root       root           613804 ./sbin/ldconfig
-rwxr-xr-x root       root           539860 ./bin/busybox.nosuid
-rwxr-xr-x root       root           427556 ./lib/libm-2.19.so
-rwxr-xr-x root       root           130304 ./lib/ld-2.19.so
-rwxr-xr-x root       root            88548 ./lib/libpthread-2.19.so
-rwxr-xr-x root       root            71572 ./lib/libnsl-2.19.so
-rwxr-xr-x root       root            71488 ./lib/libresolv-2.19.so
-rwsr-xr-x root       root            51944 ./bin/busybox.suid
-rwxr-xr-x root       root            42668 ./lib/libnss_files- 2.19.so
-rwxr-xr-x root       root            30536 ./lib/libnss_compat- 2.19.so
-rwxr-xr-x root       root            30244 ./lib/libcrypt-2.19.so
-rwxr-xr-x root       root            28664 ./sbin/init.sysvinit
-rwxr-xr-x root       root            26624 ./lib/librt-2.19.so

VIRTUAL-RUNTIME_dev_manager = "mdev"

INHERIT += "archiver"
ARCHIVER_MODE[src] = "original"
ARCHIVER_MODE[diff] = "1"
ARCHIVER_MODE[recipe] = "1"
COPY_LIC_MANIFEST = "1"
COPY_LIC_DIRS = "1"

COPYLEFT_LICENSE_INCLUDE = "GPL* LGPL*"
COPYLEFT_LICENSE_EXCLUDE = "CLOSED Proprietary"

COPYLEFT_RECIPE_TYPES = "target"

tmp/deploy/licenses/core-image-small-wandboard-quad-<timestamp>/package.manifest
base-files
base-passwd
busybox
busybox-syslog
busybox-udhcpc
initscripts
initscripts-functions
libc6
run-postinsts
sysvinit
sysvinit-inittab
sysvinit-pidof
update-alternatives-opkg
update-rc.d

PACKAGE NAME: base-files
PACKAGE VERSION: 3.0.14
RECIPE NAME: base-files
LICENSE: GPLv2

PACKAGE NAME: base-passwd
PACKAGE VERSION: 3.5.29
RECIPE NAME: base-passwd
LICENSE: GPLv2+

INCOMPATIBLE_LICENSE = "GPL-3.0 LGPL-3.0 AGPL-3.0"

LICENSE = "CLOSED"

LICENSE = "Proprietary"
LIC_FILES_CHKSUM = "file://EULA.txt;md5=93b784b1c11b3fffb1638498a8dde3f6"

LICENSE = "GPLv2+ & LGPLv2.1+ & LGPLv2+"
LICENSE_FLAGS = "commercial"
LIC_FILES_CHKSUM = "file://COPYING;md5=a6f89e2100d9b6cdffcea4f398e37343 \ file://gst/synaesthesia/synaescope.h;beginline=1;endline=20 ;md5=99f301df7b80490c6ff8305fcc712838 \  file://tests/check/elements/xingmux.c;beginline=1;endline=2 1;md5=4c771b8af188724855cb99cadd390068 \  file://gst/mpegstream/gstmpegparse.h;beginline=1;endline=18 ;md5=ff65467b0c53cdfa98d0684c1bc240a9"

LICENSE_FLAGS_WHITELIST = "commercial"

LICENSE_FLAGS_WHITELIST = "commercial_gst-plugins-ugly"

$ wget http://downloads.yoctoproject.org/releases/yocto/yocto- 1.7.1/toolchain/x86_64/poky-glibc-x86_64-core-image-sato- armv7a-vfp-neon-toolchain-1.7.1.sh
$ chmod a+x poky-glibc-x86_64-core-image-sato-armv7a-vfp-neon- toolchain-1.7.1.sh
$ ./poky-glibc-x86_64-core-image-sato-armv7a-vfp-neon- toolchain-1.7.1.sh

$ cd /opt/yocto/fsl-community-bsp/
$ source setup-environment wandboard-quad

$ bitbake meta-toolchain

$ cd tmp/deploy/sdk
$ ./poky-glibc-x86_64-meta-toolchain-cortexa9hf-vfp-neon- toolchain-1.7.1.sh

$ bitbake core-image-sato -c populate_sdk

$ cd tmp/deploy/sdk
$ ./poky-glibc-x86_64-core-image-sato-cortexa9hf-vfp-neon- toolchain-1.7.1.sh

IMAGE_INSTALL_append =  " glibc-staticdev"

SDKIMAGE_FEATURES_append = " staticdev-pkgs"

$ bitbake meta-toolchain-qt

$ cd tmp/deploy/sdk
$ ./poky-glibc-x86_64-meta-toolchain-qt-cortexa9hf-vfp-neon- toolchain-qt-1.7.1.sh

$ bitbake meta-ide-support

$ source tmp/environment-setup-cortexa9hf-vfp-neon-poky-linux- gnueabi

$ wget http://downloads.yoctoproject.org/releases/yocto/yocto- 1.7.1/adt-installer/adt_installer.tar.bz2

$ cd /opt/yocto/poky
$ source oe-init-build-env qemuarm
$ bitbake adt-installer

$ cd /opt/yocto
$ cp /opt/yocto/poky/qemuarm/tmp/deploy/sdk/adt_installer.tar.bz2 /opt/yocto
$ tar xvf adt_installer.tar.bz2
$ cd /opt/yocto/adt-installer

$ ./adt_installer

$ sudo add-apt-repository ppa:webupd8team/java
$ sudo apt-get update
$ sudo apt-get install oracle-java7-set-default

 $ wget http://download.eclipse.org/technology/epp/downloads/release/kepler/SR2/eclipse-standard-kepler-SR2-linux-gtk-x86_64.tar.gz

$ tar xvf eclipse-standard-kepler-SR2-linux-gtk-x86_64.tar.gz

$ nohup eclipse/eclipse &

EXTRA_IMAGE_FEATURES += "eclipse-debug"

EXTRA_IMAGE_FEATURES += "eclipse-debug"

$ cd /opt/yocto/fsl-community-bsp/
$ source setup-environment wandboard-quad
$ bitbake core-image-sato

$ bitbake -c populate_sdk core-image-sato

$ cd tmp/deploy/sdk
$ ./poky-glibc-x86_64-core-image-sato-cortexa9hf-vfp-neon- toolchain-1.7.1.sh

#include <gtk/gtk.h>

int main(int argc, char *argv[])
{
  GtkWidget *window;
  gtk_init (&argc, &argv);
  window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
  gtk_widget_show (window);
  gtk_main ();
  return 0;
}

$ source /opt/poky/1.7.1/environment-setup-cortexa9hf-vfp-neon-poky- linux-gnueabi
$ ${CC} gtk_hello_world.c -o helloworld `pkg-config --cflags --libs gtk+-2.0`

# DISPLAY=:0 helloworld

# ps w | grep tcf
735 root     11428 S    /usr/sbin/tcf-agent -d -L- -l0

/opt/poky/1.7.1/sysroots/x86_64-pokysdk-linux/usr/bin/arm- poky-linux-gnueabi/arm-poky-linux-gnueabi-gdb

$ wget http://download.qt.io/official_releases/qtcreator/3.3/3.3.0/qt -creator-opensource-linux-x86_64-3.3.0.run
$ chmod u+x qt-creator-opensource-linux-x86_64-3.3.0.run
$ ./qt-creator-opensource-linux-x86_64-3.3.0.run

$ cd /opt/yocto/fsl-community-bsp/
$ source setup-environment wandboard-quad
$ bitbake meta-toolchain-qt

$ cd tmp/deploy/sdk
$ ./poky-glibc-x86_64-meta-toolchain-qt-cortexa9hf-vfp-neon- toolchain-qt-1.7.1.sh

source /opt/poky/1.7.1/environment-setup-cortexa9hf-vfp-neon-poky- linux-gnueabi
#! /bin/sh

$ ./bin/qtcreator.sh &

/opt/poky/1.7.1/sysroots/x86_64-pokysdk-linux/usr/bin/arm- poky-linux-gnueabi/arm-poky-linux-gnueabi-g++

/opt/poky/1.7.1/sysroots/x86_64-pokysdk-linux/usr/bin/arm- poky-linux-gnueabi/arm-poky-linux-gnueabi-gdb

/opt/poky/1.7.1/sysroots/x86_64-pokysdk-linux/usr/bin/qmake

/opt/poky/1.7.1/sysroots/cortexa9hf-vfp-neon-poky-linux- gnueabi/

#include <QApplication>
#include <QPushButton>

 int main(int argc, char *argv[])
 {
     QApplication app(argc, argv);

     QPushButton hello("Hello world!");

     hello.show();
     return app.exec();
 }

$ source /opt/poky/1.7.1/environment-setup-cortexa9hf-vfp-neon-poky- linux-gnueabi
$ qmake -project
$ qmake
$ make

$ cd /opt/yocto/fsl-community-bsp/
$ source setup-environment wandboard-quad

EXTRA_IMAGE_FEATURES += "qt4-pkgs"

IMAGE_INSTALL_append = " icu"

$ bitbake core-image-sato

# DISPLAY=:0 qt_hello_world

SOURCES += \
   qt_hello_world.cpp

TARGET =  qt_hello_world
   target.files =  qt_hello_world
   target.path = /

INSTALLS += target

IMAGE_INSTALL_append =  " openssh-sftp-server"

EXTRA_IMAGE_FEATURES += "eclipse-debug"

DESCRIPTION = "Simple helloworld application"
SECTION = "examples"
LICENSE = "MIT"
LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda2f7b4 f302"

SRC_URI = "file://helloworld.c"

S = "${WORKDIR}"

do_compile() {
             ${CC} helloworld.c -o helloworld
}

do_install() {
             install -d ${D}${bindir}
             install -m 0755 helloworld ${D}${bindir}
}

#include <stdio.h>

int main(void)
{
   return printf("Hello World");
}

$ cd /opt/yocto/fsl-community-bsp/
$ source setup-environment wandboard-quad
$ bitbake -c cleanall helloworld

$ bitbake -c devshell helloworld

$ git init
$ git add helloworld.c
$ git commit -s -m "Original revision"

#include <stdio.h>

int main(void)
{
 return printf("Howdy World");
}

$ bitbake -C compile helloworld

$ bitbake -e helloworld | grep ^WORKDIR=
WORKDIR="/opt/yocto/fsl-community-bsp/wandboard- quad/tmp/work/cortexa9hf-vfp-neon-poky-linux- gnueabi/helloworld/1.0-r0"
$ scp ${WORKDIR_PATH}/deploy-rpms/deploy- rpms/cortexa9hf_vfp_neon/helloworld-1.0- r0.cortexa9hf_vfp_neon.rpm root@<target_ip_address>:/
$ rpm -i /helloworld-1.0-r0.cortexa9hf_vfp_neon.rpm

$ bitbake -c devshell helloworld
$ git add  helloworld.c
$ git commit -s -m "Change greeting message"

$ git format-patch -1 -o /opt/yocto/fsl-community- bsp/sources/meta-custom/recipes- example/helloworld/helloworld-1.0

SRC_URI  =  "file://helloworld.c \
           file://0001-Change-greeting-message.patch"

DESCRIPTION = "Simple helloworld application"
SECTION = "examples"
LICENSE = "MIT"
LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda2f7b4 f302"

SRC_URI = "git://github.com/yoctocookbook/helloworld"

S = "${WORKDIR}/git"

do_compile() {
             ${CC} helloworld.c -o helloworld
}

do_install() {
             install -d ${D}${bindir}
             install -m 0755 helloworld ${D}${bindir}
}

$ cd /opt/yocto/
$ git clone git://github.com/yoctocookbook/helloworld

$ mkdir -p /opt/yocto/helloworld
$ cd /opt/yocto/helloworld
$ git init

$ git add helloworld.c

$ git commit -s -m "Original revision"

INHERIT += "externalsrc"
EXTERNALSRC_pn-helloworld = "/opt/yocto/helloworld"
EXTERNALSRC_BUILD_pn-helloworld = "/opt/yocto/helloworld"

$ cd /opt/yocto/fsl-community-bsp/
$ source setup-environment wandboard-quad
$ bitbake helloworld

SUMMARY = "Rotates, compresses, removes and mails system log files"
SECTION = "console/utils"
HOMEPAGE = "https://fedorahosted.org/logrotate/"
LICENSE = "GPLv2"

DEPENDS="coreutils popt"

LIC_FILES_CHKSUM = "file://COPYING;md5=18810669f13b87348459e611d31ab760"

SRC_URI = "https://fedorahosted.org/releases/l/o/logrotate/logrotate- ${PV}.tar.gz \"
SRC_URI[md5sum] = "99e08503ef24c3e2e3ff74cc5f3be213"
SRC_URI[sha256sum] = "f6ba691f40e30e640efa2752c1f9499a3f9738257660994de70a45fe00d12b64"

EXTRA_OEMAKE = ""

do_install(){
    oe_runmake install DESTDIR=${D} PREFIX=${D} MANDIR=${mandir}
    mkdir -p ${D}${sysconfdir}/logrotate.d
    mkdir -p ${D}${sysconfdir}/cron.daily
    mkdir -p ${D}${localstatedir}/lib
    install -p -m 644 examples/logrotate-default ${D}${sysconfdir}/logrotate.conf
    install -p -m 755 examples/logrotate.cron ${D}${sysconfdir}/cron.daily/logrotate
    touch ${D}${localstatedir}/lib/logrotate.status
}

DESCRIPTION = "GNU helloworld autotools recipe"
SECTION = "examples"

LICENSE = "GPLv3"
LIC_FILES_CHKSUM = "file://${COREBASE}/meta/files/common- licenses/GPL-3.0;md5=c79ff39f19dfec6d293b95dea7b07891"

SRC_URI = "${GNU_MIRROR}/hello/hello-${PV}.tar.gz"
SRC_URI[md5sum] = "67607d2616a0faaf5bc94c59dca7c3cb"
SRC_URI[sha256sum] = "ecbb7a2214196c57ff9340aa71458e1559abd38f6d8d169666846935df191ea7"

inherit autotools gettext

cmake_minimum_required(VERSION 2.8.10)
project(helloworld)
add_executable(helloworld helloworld.c)
install(TARGETS helloworld RUNTIME DESTINATION bin)

DESCRIPTION = "Simple helloworld cmake application"
SECTION = "examples"
LICENSE = "MIT"
LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda2f7b4 f302"

SRC_URI = "file://CMakeLists.txt \
           file://helloworld.c"
S = "${WORKDIR}"

inherit cmake

EXTRA_OECMAKE = ""

import os
env = Environment(CC = os.environ['CC'],
                  ENV = {'PATH': os.environ['PATH']})
env.Program("helloworld", "helloworld.c")

DESCRIPTION = "Simple helloworld scons application"
SECTION = "examples"
LICENSE = "MIT"
LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda2f7b4 f302"

SRC_URI = "file://SConstruct \
           file://helloworld.c"

S = "${WORKDIR}"

inherit scons

EXTRA_OESCONS = ""

do_install() {
    install -d ${D}/${bindir}
    install -m 0755 helloworld ${D}${bindir}
}

char * hello (void)
{
  return "Hello";
}

char * world (void)
{
  return "World";
}

$ source /opt/poky/1.7.1/environment-setup-cortexa9hf-vfp- neon-poky-linux-gnueabi

${CC} -c hello.c world.c
${AR} -cvq libhelloworld.a hello.o world.o

${AR} -t libhelloworld.a

#include <stdio.h>
int main (void)
{
  return printf("%s %s\n",hello(),world());
}

${CC} -o helloworld helloworld.c libhelloworld.a

$ readelf -d helloworld
Dynamic section at offset 0x534 contains 24 entries:
 Tag        Type                         Name/Value
 0x00000001 (NEEDED)                     Shared library: [libc.so.6]

${CC} -fPIC -g -c hello.c world.c
${CC} -shared -Wl,-soname,libhelloworld.so.1 -o libhelloworld.so.1.0 hello.o world.o

${CC} helloworld.c libhelloworld.so.1.0 -o helloworld

$ readelf -d helloworld
Dynamic section at offset 0x6ec contains 25 entries:
 Tag        Type                         Name/Value
 0x00000001 (NEEDED)                     Shared library: [libhelloworld.so.1]
 0x00000001 (NEEDED)                     Shared library: [libc.so.6]

DESCRIPTION = "Simple helloworld example static library"
SECTION = "libs"
LICENSE = "MIT"
LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda2f7b4 f302"

SRC_URI = "file://hello.c \
           file://world.c \
           file://helloworld.pc"
S = "${WORKDIR}"

do_compile() {
        ${CC} -c hello.c world.c
        ${AR} -cvq libhelloworld.a hello.o world.o
}

do_install() {
        install -d ${D}${libdir}
        install -m 0755 libhelloworld.a ${D}${libdir}
}

meta-custom/recipes-example/libhelloworld-dyn/libhelloworlddyn_1.0.bb
DESCRIPTION = "Simple helloworld example dynamic library"
SECTION = "libs"
LICENSE = "MIT"
LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda2f7b4 f302"

SRC_URI = "file://hello.c \
           file://world.c \
           file://helloworld.pc"

S = "${WORKDIR}"

do_compile() {
       ${CC} -fPIC -g -c hello.c world.c
       ${CC} -shared -Wl,-soname,libhelloworld.so.1 -o libhelloworld.so.1.0 hello.o world.o
}

do_install() {
       install -d ${D}${libdir}
       install -m 0755 libhelloworld.so.1.0 ${D}${libdir}
       ln -s libhelloworld.so.1.0 ${D}/${libdir}/libhelloworld.so.1
       ln -s libhelloworld.so.1 ${D}/${libdir}/libhelloworld.so
}

DESCRIPTION = "Simple helloworld example"
SECTION = "examples"
LICENSE = "MIT"
LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda2f7b4 f302"

DEPENDS = "libhelloworld-static"

SRC_URI = "file://helloworld.c"

S = "${WORKDIR}"

do_compile() {
        ${CC} -o helloworld helloworld.c ${STAGING_LIBDIR}/libhelloworld.a
}

do_install() {
        install -d ${D}${bindir}
        install -m 0755 helloworld ${D}${bindir}
}

meta-custom/recipes-example/helloworld-shared/helloworldshared_1.0.bb
DESCRIPTION = "Simple helloworld example"
SECTION = "examples"
LICENSE = "MIT"
LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda2f7b4 f302"

DEPENDS = "libhelloworld-dyn"

SRC_URI = "file://helloworld.c"

S = "${WORKDIR}"

do_compile() {
        ${CC} -o helloworld helloworld.c -lhelloworld
}

do_install() {
        install -d ${D}${bindir}
        install -m 0755 helloworld ${D}${bindir}
}

prefix=/usr/local
exec_prefix=${prefix}
includedir=${prefix}/include
libdir=${exec_prefix}/lib

Name: helloworld
Description: The helloworld library
Version: 1.0.0
Cflags: -I${includedir}/helloworld
Libs: -L${libdir} -lhelloworld

Libs: -L${libdir} libhelloworld.a

DESCRIPTION = "Simple QT helloworld example"
SECTION = "examples"
LICENSE = "MIT"
LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda2f7b4 f302"

RDEPENDS_${PN} += "icu"

SRC_URI = "file://qt_hello_world.cpp \
           file://qt_hello_world.pro"

S = "${WORKDIR}"

inherit qt4e

do_install() {
         install -d ${D}${bindir}
         install -m 0755 qt_hello_world ${D}${bindir}
}

#include <QApplication>
#include <QPushButton>

 int main(int argc, char *argv[])
 {
     QApplication app(argc, argv);

     QPushButton hello("Hello world!");

     hello.show();
     return app.exec();
 }

SOURCES += \
   qt_hello_world.cpp

IMAGE_INSTALL_append = " qt-helloworld"

$ bitbake qt4e-demo-image

# qt_hello_world -qws

# export FRAMEBUFFER=/dev/fb1

# cat /dev/zero > /dev/fb0

# cat /dev/fb0 > fb.raw

# cat fb.raw > /dev/fb0

# fbset -fb /dev/fb0
mode "1920x1080-60"
 # D: 148.500 MHz, H: 67.500 kHz, V: 60.000 Hz
 geometry 1920 1080 1920 1080 24
 timings 6734 148 88 36 4 44 5
 accel false
 rgba 8/16,8/8,8/0,0/0
endmode

video=mxcfbn:dev=hdmi,<xres>x<yres>M[@rate]

video=mxcfb0:dev=hdmi,1920x1080M@60

# echo 0 > /sys/class/graphics/fb0/blank

DISTRO_FEATURES_remove = "x11 directfb wayland"

$ bitbake fsl-image-multimedia

       mxcfb1: fb@0 {
                compatible = "fsl,mxc_sdc_fb";
                disp_dev = "hdmi";
                interface_pix_fmt = "RGB24";
                mode_str ="1920x1080M@60";
                default_bpp = <24>;
                int_clk = <0>;
                late_init = <0>;
        };

# cd /home/root
# wget http://video.blendertestbuilds.de/download.blender.org/peach/trailer_ 1080p.mov
# gst-launch playbin2 uri=file:///home/root/trailer_1080p.mov

# gst-inspect | grep imx
h264.imx:  mfw_h264decoder: h264 video decoder
audiopeq.imx:  mfw_audio_pp: audio post equalizer
aiur.imx: webm: webm
aiur.imx:  aiurdemux: aiur universal demuxer
mpeg2dec.imx:  mfw_mpeg2decoder: mpeg2 video decoder
tvsrc.imx:  tvsrc: v4l2 based tv src
ipucsc.imx:  mfw_ipucsc: IPU-based video converter
mpeg4dec.imx:  mfw_mpeg4aspdecoder: mpeg4 video decoder
vpu.imx:  vpudec: VPU-based video decoder
vpu.imx:  vpuenc: VPU-based video encoder
mp3enc.imx:  mfw_mp3encoder: mp3 audio encoder
beep.imx: ac3: ac3
beep.imx: 3ca: ac3
beep.imx:  beepdec: beep audio decoder
beep.imx:  beepdec.vorbis: Vorbis decoder
beep.imx:  beepdec.mp3: MP3 decoder
beep.imx:  beepdec.aac: AAC LC decoder
isink.imx:  mfw_isink: IPU-based video sink
v4lsink.imx:  mfw_v4lsink: v4l2 video sink
v4lsrc.imx:  mfw_v4lsrc: v4l2 based camera src
amrdec.imx:  mfw_amrdecoder: amr audio decoder

Section "Device"
    Identifier  "i.MX Accelerated Framebuffer Device"
    Driver      "vivante"
    Option      "fbdev"     "/dev/fb0"
    Option      "vivante_fbdev" "/dev/fb0"
    Option      "HWcursor"  "false"
EndSection

#include <gtk/gtk.h>

int main(int argc, char *argv[])
{
    GtkWidget *window;
    gtk_init (&argc, &argv);
    window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
    gtk_widget_show (window);
    gtk_main ();
    return 0;
}

DESCRIPTION = "Simple GTK helloworld application"
SECTION = "examples"
LICENSE = "MIT"
LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda2f7b4 f302"

SRC_URI = "file://gtk_hello_world.c"

S = "${WORKDIR}"

DEPENDS = "gtk+"

inherit pkgconfig

do_compile() {
    ${CC} gtk_hello_world.c -o helloworld `pkg-config --cflags -- libs gtk+-2.0`
}

do_install() {
    install -d ${D}${bindir}
    install -m 0755 helloworld ${D}${bindir}
}

IMAGE_INSTALL_append = " gtk-helloworld"

# export DISPLAY=:0
# helloworld

DESCRIPTION = "Simple QT over X11 helloworld example"
SECTION = "examples"
LICENSE = "MIT"
LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda2f7b4 f302"

RDEPENDS_${PN} += "icu"

SRC_URI = "file://qt_hello_world.cpp \
           file://qt_hello_world.pro"

S = "${WORKDIR}"

inherit qt4x11

do_install() {
         install -d ${D}${bindir}
         install -m 0755 qt_hello_world ${D}${bindir}
}

EXTRA_IMAGE_FEATURES += "qt4-pkgs"
IMAGE_INSTALL_append = " qtx11-helloworld"

$ bitbake core-image-sato

# export DISPLAY=:0
# qt_hello_world

DESCRIPTION = "Simple GTK3 helloworld application"
SECTION = "examples"
LICENSE = "MIT"
LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda2f7b4 f302"

SRC_URI = "file://gtk_hello_world.c"

S = "${WORKDIR}"

DEPENDS = "gtk+3"

inherit pkgconfig

do_compile() {
    ${CC} gtk_hello_world.c -o helloworld `pkg-config --cflags -- libs gtk+-3.0`
}

do_install() {
    install -d ${D}${bindir}
    install -m 0755 helloworld ${D}${bindir}
}

DISTRO_FEATURES_remove = "x11"

IMAGE_INSTALL_append = " gtk3-helloworld"

$ cd /opt/yocto/fsl-community-bsp/
$ source setup-environment wandboard-quad
$ bitbake core-image-weston

# export XDG_RUNTIME_DIR=/var/run/user/root
# helloworld

SUMMARY = "PyUSB provides USB access on the Python language"
HOMEPAGE = "http://pyusb.sourceforge.net/"
SECTION = "devel/python"
LICENSE = "BSD"
LIC_FILES_CHKSUM = "file://LICENSE;md5=a53a9c39efcfb812e2464af14afab013"
DEPENDS = "libusb1"
PR = "r1"

SRC_URI = "\
    ${SOURCEFORGE_MIRROR}/pyusb/${SRCNAME}-${PV}.tar.gz \
"
SRC_URI[md5sum] = "9136b3dc019272c62a5b6d4eb624f89f"
SRC_URI[sha256sum] = "dacbf7d568c0bb09a974d56da66d165351f1ba3c4d5169ab5b734266623e1736"

SRCNAME = "pyusb"
S = "${WORKDIR}/${SRCNAME}-${PV}"

inherit distutils

DESCRIPTION = "Simple Python setuptools hello world application"
SECTION = "examples"
LICENSE = "MIT"
LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda2f7b4 f302"

SRC_URI = "file://setup.py \
      file://python-helloworld.py \
      file://helloworld/__init__.py \
              file://helloworld/main.py"

S = "${WORKDIR}"

inherit setuptools

do_install_append () {
    install -d ${D}${bindir}
    install -m 0755 python-helloworld.py ${D}${bindir}
}

$ mkdir -p meta-custom/recipes-python/python-helloworld/python- helloworld-1.0/helloworld/
$ touch meta-custom/recipes-python/python-helloworld/python- helloworld-1.0/helloworld/__init__.py

import sys
from setuptools import setup

setup(
    name = "helloworld",
    version = "0.1",
    packages=["helloworld"],
    author="Alex Gonzalez",
    author_email = "alex@example.com",
    description = "Hello World packaging example",
    license = "MIT",
    keywords= "example",
    url = "",
)

import sys

def main(argv=None):
    if argv is None:
        argv = sys.argv
    print "Hello world!"
    return 0

#!/usr/bin/env python
import sys
import helloworld.main

if __name__ == '__main__':
       sys.exit(helloworld.main.main())

IMAGE_INSTALL_append = " python-helloworld"

$ cd /opt/yocto/fsl-community-bsp/
$ source setup-environment wandboard-quad
$ bitbake core-image-minimal

# /usr/bin/python-helloworld.py
Hello world!

IMAGE_INSTALL_append  = " python-pip python-distribute"

$ cd /opt/yocto/fsl-community-bsp/
$ source setup-environment wandboard-quad
$ bitbake core-image-minimal

# pip search <package_name>
# pip install <package_name>

$ cd /opt/yocto/fsl-community-bsp/sources
$ git clone git://git.yoctoproject.org/meta-oracle-java

LICENSE_FLAGS_WHITELIST += "oracle_java"

SUMMARY = "Oracle Java SE runtime environment binaries"

JDK_JRE = "ejre"
require recipes-devtools/oracle-java/oracle-jse.inc

PV_UPDATE = "75"
BUILD_NUMBER = "13"

LIC_FILES_CHKSUM = "\
       file://${WORKDIR}/${JDK_JRE}${PV}_${PV_UPDATE}/COPYRIGHT;md5=0b204 bd2921accd6ef4a02f9c0001823 \
       file://${WORKDIR}/${JDK_JRE}${PV}_${PV_UPDATE}/THIRDPARTYLICENSERE ADME.txt;md5=f3a388961d24b8b72d412a079a878cdb \
       "

SRC_URI = "http://download.oracle.com/otn/java/ejre/7u${PV_UPDATE}- b${BUILD_NUMBER}/ejre-7u${PV_UPDATE}-fcs-b${BUILD_NUMBER}-linux- arm-vfp-hflt-client_headless-18_dec_2014.tar.gz"
SRC_URI[md5sum] = "759ca6735d77778a573465b1e84b16ec"
SRC_URI[sha256sum] = "ebb6499c62fc12e1471cff7431fec5407ace59477abd0f48347bf6e89c6bff3b"

RPROVIDES_${PN} += "java2-runtime"

$ bitbake oracle-jse-ejre-arm-vfp-hflt-client-headless

IMAGE_INSTALL_append = " oracle-jse-ejre-arm-vfp-hflt-client- headless"

$ cd /opt/yocto/fsl-community-bsp/
$ source setup-environment wandboard-quad
$ bitbake core-image-minimal

# /usr/bin/java -version
java version "1.7.0_75"
Java(TM) SE Embedded Runtime Environment (build 1.7.0_75-b13, headless)
Java HotSpot(TM) Embedded Client VM (build 24.75-b04, mixed mode)

SUMMARY = "Oracle Java SE runtime environment binaries"

JDK_JRE = "ejre"
require recipes-devtools/oracle-java/oracle-jse.inc

PV_UPDATE = "75"
BUILD_NUMBER = "13"

LIC_FILES_CHKSUM = "\
       file://${WORKDIR}/${JDK_JRE}${PV}_${PV_UPDATE}/COPYRIGHT;md5=0b204 bd2921accd6ef4a02f9c0001823 \
       file://${WORKDIR}/${JDK_JRE}${PV}_${PV_UPDATE}/THIRDPARTYLICENSERE ADME.txt;md5=f3a388961d24b8b72d412a079a878cdb \
       "

SRC_URI = "http://download.oracle.com/otn/java/ejre/7u${PV_UPDATE}- b${BUILD_NUMBER}/ejre-7u${PV_UPDATE}-fcs-b${BUILD_NUMBER}-linux- arm-vfp-hflt-client_headful-18_dec_2014.tar.gz"

SRC_URI[md5sum] = "84dba4ffb47285b18e6382de2991edfc"
SRC_URI[sha256sum] = "5738ffb8ce2582b6d7b39a3cbe16137d205961224899f8380eebe3922bae5c61"

RPROVIDES_${PN} += "java2-runtime"

IMAGE_INSTALL_append =  " oracle-jse-ejre-arm-vfp-hflt-client- headful"

$ cd cd /opt/yocto/fsl-community-bsp/
$ source setup-environment wandboard-quad
$ bitbake core-image-sato

# /usr/bin/java -version
java version "1.7.0_75"
Java(TM) SE Embedded Runtime Environment (build 1.7.0_75-b13)
Java HotSpot(TM) Embedded Client VM (build 24.75-b04, mixed mode)

$ cd /opt/yocto/fsl-community-bsp/sources/
$ git clone http://git.yoctoproject.org/cgit/cgit.cgi/meta-java/

+ ${BSPDIR}/sources/meta-java \
 "

PREFERRED_PROVIDER_virtual/java-initial = "cacao-initial"
PREFERRED_PROVIDER_virtual/java-native = "jamvm-native"
PREFERRED_PROVIDER_virtual/javac-native = "ecj-bootstrap-native"
PREFERRED_VERSION_openjdk-7-jre = "25b30-2.3.12"
PREFERRED_VERSION_icedtea7-native = "2.1.3"

IMAGE_INSTALL_append = " openjdk-7-jre"

$ cd /opt/yocto/fsl-community-bsp/
$ source setup-environment wandboard-quad
$ bitbake core-image-sato

# java -version
java version "1.7.0_25"
OpenJDK Runtime Environment (IcedTea 2.3.12) (25b30-2.3.12)
OpenJDK Zero VM (build 23.7-b01, mixed mode)

class HelloWorld {
  public static void main(String[] args) {
    System.out.println("Hello World!");
  }
}

$ sudo apt-get install openjdk-7-jdk

$ javac HelloWorld.java

# java HelloWorld

import javax.swing.JFrame;
import javax.swing.JLabel;

public class HelloWorldSwing {
    private static void createAndShowGUI() {
        JFrame frame = new JFrame("Hello World!");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        JLabel label = new JLabel("Hello World!");
        frame.getContentPane().add(label);

        frame.pack();
        frame.setVisible(true);
    }

    public static void main(String[] args) {
        javax.swing.SwingUtilities.invokeLater(new Runnable() {
            public void run() {
                createAndShowGUI();
            }
        });
    }
}

DESCRIPTION = "Simple Java Swing hello world application"
SECTION = "examples"
LICENSE = "MIT"
LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda2f7b4 f302"

RDEPENDS_${PN} = "java2-runtime"

SRC_URI = "file://HelloWorldSwing.java"

S = "${WORKDIR}"

inherit java-library

do_compile() {
        mkdir -p build
        javac -d build `find . -name "*.java"`
        fastjar cf ${JARFILENAME} -C build .
}

BBCLASSEXTEND = "native"

IMAGE_INSTALL_append = " libjava-helloworld-java"

IMAGE_INSTALL_append = " openjdk-7-jre openjdk-7-common"

IMAGE_INSTALL_append = " oracle-jse-ejre-arm-vfp-hflt-client- headful"

$ cd /opt/yocto/fsl-community-bsp/
$ source setup-environment wandboard-quad
$ bitbake core-image-sato

# export DISPLAY=:0
# java -cp /usr/share/java/java-helloworld.jar HelloWorldSwing

Exception in thread "main" java.awt.AWTError: Toolkit not found: sun.awt.X11.XToolkit
        at java.awt.Toolkit$2.run(Toolkit.java:875)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.awt.Toolkit.getDefaultToolkit(Toolkit.java:860)
        at java.awt.Toolkit.getEventQueue(Toolkit.java:1730)
        at java.awt.EventQueue.invokeLater(EventQueue.java:1217)
        at javax.swing.SwingUtilities.invokeLater(SwingUtilities.java:1287)
        at HelloWorldSwing.main(HelloWorldSwing.java:17)

# export DISPLAY=:0
# /usr/bin/java -cp /usr/share/java/java-helloworld.jar HelloWorldSwing

PACKAGE_CLASSES = "package_ipk"

Sysvinit	运行级别	Systemd 目标	备注
0	`runlevel0.target`	`poweroff.target`	关闭系统。
1, s, single	`runlevel1.target`	`rescue.target`	单用户模式。
2, 4	`runlevel2.target`, `runlevel4.target`	`multi-user.target`	用户定义的/特定站点的运行级别。默认情况下，与`3`相同。
3	`runlevel3.target`	`multi-user.target`	多用户、非图形模式。用户通常可以通过多个控制台或网络登录。
5	`runlevel5.target`	`graphical.target`	多用户、图形模式。通常包括运行级别 3 的所有服务以及图形登录。
6	`runlevel6.target`	`reboot.target`	重启系统。

嵌入式 Linux 项目指南：使用 Yocto 项目（二）

布客飞龙

第三章：软件层

介绍

探索镜像的内容

准备工作

如何做到…

它是如何工作的……

添加新的软件层

准备工作

如何操作……

它是如何工作的…

还有更多…

注意

选择特定的包版本和提供者

如何操作…

我们如何选择使用哪个提供者？

我们如何选择使用哪个版本？

我们如何选择不使用哪个版本？

添加支持的包

准备工作

如何做到这一点…

注意

它是如何工作的…

还有更多…

配置包

添加新包

准备就绪

如何操作…

它是如何工作的…

包许可证

获取包内容

指定任务覆盖

配置包

拆分成多个包

设置特定于机器的变量

添加数据、脚本或配置文件

如何操作…

管理用户和组

准备工作

注意

如何操作……

还有更多……

注意

使用 sysvinit 初始化管理器

准备工作

如何做到…

使用systemd初始化管理器

准备工作

如何操作…

注意

提示

还有更多…

安装 systemd 单元文件

安装包安装脚本

准备工作

如何实现……

它是如何工作的……

注意

减少 Linux 内核镜像大小

如何实现……

它是如何工作的……

减小根文件系统镜像大小

如何操作…

工作原理…

注意

发布软件

准备工作

如何操作…

还有更多内容…

另请参见

分析您的系统以确保合规性

如何做…

还有更多内容

使用开源和专有代码

如何做到这一点…

它是如何工作的…

U-Boot 引导程序

Linux 内核

Glibc

使用`systemd`初始化管理器