1. ERROR: m4projects-stm32mp1-1.2.0-r0 do_fetch: Fetcher failure for URL: 'git://github.com/STMicroelectronics/STM32CubeMP1.git;protocol=https;branch=master'. Unable to fetch URL from any source.
   
2. ERROR: m4projects-stm32mp1-1.2.0-r0 do_fetch: Function failed: base_do_fetch
   
3. ERROR: Logfile of failure stored in: /home/fdw/32mp1/openstlinux-200219/build-openstlinuxweston-stm32mp1/tmp-glibc/work/stm32mp1-ostl-linux-gnueabi/m4projects-stm32mp1/1.2.0-r0/temp/log.do_fetch.80517
   
4. ERROR: Task (/home/fdw/32mp1/openstlinux-200219/layers/meta-st/meta-st-stm32mp/recipes-extended/m4projects/m4projects-stm32mp1.bb:do_fetch) failed with exit code '1'
   
5. NOTE: Tasks Summary: Attempted 1 tasks of which 0 didn't need to be rerun and 1 failed.
   
6. NOTE: Writing buildhistory

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我的解决办法：
1、找到do_fetch失败安装包对应的xx.bb文件，根据bb文件找到下载地址 git://github.com/STMicroelectronics/STM32CubeMP1.git。直接去st github网站下载对应的开发包
2、在xx.bb文件的同级目录下创建files目录；
3、把下载得到的开发板其拷贝到files目录下解压；
4、修改bb文件，SRC_URI值为

1. SRC_URI = "file://STM32CubeMP1"
   
2. SRCREV  = "c604fa0965c73e430eebd5fa780180beb9a71b44"
   
3. PV = "1.2.0"
   
4. S = "${WORKDIR}/STM32CubeMP1"

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bitbake m4projects-stm32mp1 -c compile
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