在MiniGUI官网提供了编译方法：http://www.minigui.com/blog/quick-start
编译5.0和4.0的方法类似，这两个版本的下载链接分别是https://github.com/VincentWei/build-minigui-5.0和https://github.com/VincentWei/build-minigui-4.0，下面以编译4.0为例。
交叉编译工具链：arm-linux-gnueabihf-gcc 7.3
下载：
$ git clone https://github.com/VincentWei/build-minigui-4.0.git
$ cd build-minigui-4.0
执行 ./fetch-all.sh，下载软件包
编译两个会用到的工具bin2c和upf2c：
$ cd mg-tools/tools $ gcc bin2c.c -o bin2c $ sudo cp bin2c /usr/local/bin $ cd mg-tools/font-tools $ gcc upf2c.c -o upf2c $ sudo cp upf2c /usr/local/bin
然后进入cross-build/arm-r16-linux/，这里提供了一个交叉编译MiniGUI的参考，不过编译的是时候会有一些问题。
- 修改modify-this-config.sh:
diff --git a/cross-build/arm-r16-linux/modify-this-config.sh b/cross-build/arm-r16-linux/modify-this-config.sh index 698bc6f..c5e0a08 100644 --- a/cross-build/arm-r16-linux/modify-this-config.sh +++ b/cross-build/arm-r16-linux/modify-this-config.sh @@ -3,7 +3,7 @@ # You must set TINA_DIR for r16 tina dirctory. # It is the ONLY line you have to modify in the whole compiling process. -TINA_DIR=/home/projects/r16/tinav2.5 +TINA_DIR=${PWD}/build
- 下载软件包，./fetch-all.sh
- 修改libinput.txt，替换交叉编译工具链
- 修改build-all.sh，替换交叉编译工具链
下面开始编译：
- 在交叉编译libharfbuzz的时候遇到一些问题，然后我用qemu static +ubuntu arm文件系统的办法直接编译一个arm版本的harfbuzz库，编译时的configure参数使用build-all.sh中的。编译完成后，将得到的库和头文件拷贝到rootfs/usr/local下。
然后为rootfs/usr/local/lib/libharfbuzzex.so.0.20501.0建立一个软连接，因为在编译minigui时会检测libharfbuzz.so
ln -sf libharfbuzzex.so.0.20501.0 libharfbuzz.so
- udev编译错误：
3rd-party/udev-182/src/sd-daemon.c:394: undefined reference to `mq_getattr'
修改build-all.sh，编译udev时为LDFLAGS增加参数"-lrt"
- minigui编译错误
freetype2.h:65:10: fatal error: ft2build.h: No such file or directory
#include <ft2build.h>
修改build-all.sh，编译minigui时增加-I$WORK_DIR/rootfs/usr/local/include/freetype2
harzbuff-minigui-funcs.c:66:10: fatal error: hb.h: No such file or directory
#include <hb.h>
修改build-all.sh，编译minigui时增加-I$WORK_DIR/rootfs/usr/local/include/harfbuzz
- libmgncs4touch编译错误
grep: /usr/lib/arm-linux-gnueabihf/libfreetype.la: No such file or directory
sed: can't read /usr/lib/arm-linux-gnueabihf/libfreetype.la: No such file or directory
删除rm rootfs/usr/local/lib/libharfbuzzex.la
- mg-tests编译错误
/lib/libminigui_ths.so: undefined reference to `dlsym'
/lib/libminigui_ths.so: undefined reference to `dlerror'
/lib/libminigui_ths.so: undefined reference to `dlopen'
/lib/libminigui_ths.so: undefined reference to `dlclose'
重新编译minigui，增加编译参数"-ldl"，然后make clean，重新执行build-all.sh
上面默认编译的MiniGUI是线程模式，下面编译process模式，修改build-all.sh，修改minigui的编译参数“--with-runmode=procs”，然后将“-lminigui_ths”改为“-lminigui_procs”。编译：
- minigui编译错误
drmvideo.c:2054:18: error: format '%lu' expects argument of type 'long unsigned int', but argument 6 has type 'size_t {aka unsigned int}' [-Werror=format=]
修改minigui的编译参数，增加：-Wno-error=format=
下面是交叉编译minigui的压缩包的下载链接：
链接: https://pan.baidu.com/s/1JjN3QEr0njw-UWmXdeHF6Q 提取码: 215s
将procs模式的minigui拷贝到跟文件系统中，然后再把编译好的mg-samples目录拷贝到板子上。
修改/usr/local/etc.MiniGUI.cfg:
[system] # GAL engine and default options # The equivalent environment variable: MG_GAL_ENGINE gal_engine=fbcon # The equivalent environment variable: MG_DEFAULTMODE defaultmode=800x600-16bpp # IAL engine # The equivalent environment variable: MG_IAL_ENGINE ial_engine=console mdev=/dev/input/mice mtype=IMPS2
kernel配置上需要配置：
Device Drivers ---> Input device support ---><*> Mouse interface
在运行测试程序时会遇到如下问题：
[root@vexpress-a9 mginit]# ./mginit
KERNEL>LoadSharedResource: No such file or directory
KERNEL>InitGUI (step 9): Can not load shared resource!
Aborted
原因是mginit在运行时，在kernel_LoadSharedResource中其中会创建一个lock文件：/var/tmp/mginit，但是在目前的板子上不存在/var/tmp目录，所以需要手动在板子上创建一个目录。
[root@vexpress-a9 mginit]# mkdir /var/tmp
然后重新运行：
root@vexpress-a9 mg-samples]# cd mginit/ [root@vexpress-a9 mginit]# ./mginit IAL: use 'tty' native keyboard engine, with the device file '' IAL Native Engine: keyboard device has been connected. IAL Native Engine: mouse device has been connected. libpng warning: iCCP: known incorrect sRGB profile new child, pid: 870. New comming in client: do_client_join_layer: SERVER: Join a client (graphics) to layer mginit New client joined layer: (mginit, graphics)
运行截图：
完。
