2017/11/3

build qt5-toolchain for Qt Creator

bitbake meta-toolchain-qt5
然後...
ERROR: meta-toolchain-qt5-1.0-r0 do_populate_sdk: Function failed: do_populate_sdk
ERROR: Logfile of failure stored in: /home/charles-chang/ann3/buildqtwayland/tmp/work/cortexa7hf-neon-poky-linux-gnueabi/meta-toolchain-qt5/1.0-r0/temp/log.do_populate_sdk.27843
ERROR: Task (/home/charles-chang/ann3/meta-qt5/recipes-qt/meta/meta-toolchain-qt5.bb:do_populate_sdk) failed with exit code '1'

去看一下 log ..有..
ERROR: Unable to install packages. Command 
'/home/charles-chang/ann3/buildqtwayland/tmp/sysroots/x86_64-linux/usr/bin/opkg 
 --volatile-cache 
 -f /home/charles-chang/ann3/buildqtwayland/tmp/work/cortexa7hf-neon-poky-linux-gnueabi/meta-toolchain-qt5/1.0-r0/opkg.conf
 -t /home/charles-chang/ann3/buildqtwayland/tmp/work/cortexa7hf-neon-poky-linux-gnueabi/meta-toolchain-qt5/1.0-r0/temp/ipktemp/
 -o /home/charles-chang/ann3/buildqtwayland/tmp/work/cortexa7hf-neon-poky-linux-gnueabi/meta-toolchain-qt5/1.0-r0/sdk/image/opt/poky-st/2.2.1/sysroots/cortexa7hf-neon-poky-linux-gnueabi
 --force_postinstall
 --prefer-arch-to-version
 install
 packagegroup-qt5-toolchain-target
 packagegroup-core-standalone-sdk-target
 packagegroup-core-standalone-sdk-target-dbg
' returned 255:
...
Installing libsegfault (2.24) on root.Collected errors:
 * calculate_dependencies_for: Cannot satisfy the following dependencies for packagegroup-qt5-toolchain-target:
 *      qtenginio-mkspecs *     qtenginio-qmlplugins *
 * opkg_solver_install: Cannot install package packagegroup-qt5-toolchain-target.
去devshell 單獨 run 這個 command 試試看...
$ bitbake meta-toolchain-qt5 -c devshell

# /home/charles-chang/ann3/buildqtwayland/tmp/sysroots/x86_64-linux/usr/bin/opkg --volatile-cache -f /home/charles-chang/ann3/buildqtwayland/tmp/work/cortexa7hf-neon-poky-linux-gnueabi/meta-toolchain-qt5/1.0-r0/opkg.conf -t /home/charles-chang/ann3/buildqtwayland/tmp/work/cortexa7hf-neon-poky-linux-gnueabi/meta-toolchain-qt5/1.0-r0/temp/ipktemp/ -o /home/charles-chang/ann3/buildqtwayland/tmp/work/cortexa7hf-neon-poky-linux-gnueabi/meta-toolchain-qt5/1.0-r0/sdk/image/opt/poky-st/2.2.1/sysroots/cortexa7hf-neon-poky-linux-gnueabi  --force_postinstall --prefer-arch-to-version   install packagegroup-qt5-toolchain-target packagegroup-core-standalone-sdk-target packagegroup-core-standalone-sdk-target-dbg

...
...
...
Collected errors:
 * calculate_dependencies_for: Cannot satisfy the following dependencies for packagegroup-qt5-toolchain-target:
 *      qtenginio-mkspecs *     qtenginio-qmlplugins * 
 * opkg_solver_install: Cannot install package packagegroup-qt5-toolchain-target.

然後,就去 b/recipes-qt/packagegroups/packagegroup-qt5-toolchain-target.bb 把 qtenginio-mkspec 和 qtenginio-qmlplugins 移除,再 build 一次,就沒有問題。

diff --git a/recipes-qt/packagegroups/packagegroup-qt5-toolchain-target.bb b/recipes-qt/packagegroups/packagegroup-qt5-toolchain-target.bb
index 25bc530..aa9631d 100755
--- a/recipes-qt/packagegroups/packagegroup-qt5-toolchain-target.bb
+++ b/recipes-qt/packagegroups/packagegroup-qt5-toolchain-target.bb
@@ -60,8 +60,6 @@ RDEPENDS_${PN} += " \
     qttranslations-qmlviewer \
     qttranslations-qtdeclarative \
     qtenginio-dev \
-    qtenginio-mkspecs \
-    ${@bb.utils.contains('DISTRO_FEATURES', 'opengl', 'qtenginio-qmlplugins', '', d)} \
     ${@bb.utils.contains('DISTRO_FEATURES', 'opengl', 'qtgraphicaleffects-qmlplugins', '', d)} \
     qtimageformats-dev \
     qtimageformats-plugins \

另一個,在 bitbake release image target 的 bb file 中,把 qtenginio-mkspecs , qtenginio-qmlplugins 加到 IMAGE_QT_OPTIONAL_PART 中 看看...
結果 build fail..
所以.. 大概真的 build 不出來...

這裡 下載 Qt Creator installer

sdk 和 qt creator 安裝參考:
直接 run, 不用 root,sudo .. 安裝在自己的 home 下 (~/pokyqtsdk/2.2.1)
Poky (Yocto Project Reference Distro) SDK installer version 2.2.1
=================================================================
Enter target directory for SDK (default: /opt/poky-st/2.2.1): /home/charles-chang/pokyqtsdk/2.2.1
You are about to install the SDK to "/home/charles-chang/pokyqtsdk/2.2.1". Proceed[Y/n]? 
Extracting SDK.................................................................................................................................................................................done
Setting it up...done
SDK has been successfully set up and is ready to be used.
Each time you wish to use the SDK in a new shell session, you need to source the environment setup script e.g.
 $ . /home/charles-chang/pokyqtsdk/2.2.1/environment-setup-cortexa7hf-neon-poky-linux-gnueabi


然後裝 qtcreator..
用 debian 付的,所以會莊一堆 for x86 的 tool..

然後就是最麻煩的設定 Qtcreator...
要設定的東西大概是...
  • 先新增加一個 target device -- 例如 imx, st, rpi..-- 其實這個就是你的 toolchain-sdk 板子
  • 再增加 tool,給他一個名子(通常就是 target device 的名子) -- g++, gcc -- 指定到sdk 安裝目錄中的 ooxx-g_++, ooxx-gcc
  • 設定 sdk 的 sysroot 的位置,qt creator 會自己找出Qt 版本和 qmake 位置
  • 把上面的 整合在 Kits -- 指定 Device, tool, sysroot 位置..
這樣就產生了 Kits
以後 New Project 就可以指定是用那一個 Kits

然後 new project 來測試,一直 fail, 說 sdk 裡的 lib (Gui, Core... etc) 都不合。
看一下 Makefile (qmake 產生的)。
CC = g++
沒有用 sdk 的環境變數 (OE_QMAKE_CC)
Makefile 一開始會有...
# Command: /home/charles-chang/pokyqtsdk/2.2.1/sysroots/x86_64-pokysdk-linux/usr/bin/qt5/qmake 
 -spec linux-g++ 
 CONFIG+=debug CONFIG+=qml_debug 
 -o Makefile ../ooow/ooow.pro
這格好像是錯的, -spec 應該要是 linux-oe-g++

所以去 Qt creator 的 OPtion , Kits 設定,有一項:Qt mkspec 是空的,填上 linux-oe-g++ 之後,clean 再 build,就 OK 了。

另外,要 run qtcreator 之前,要先 run sdk 的環境變術設定。

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