@freeor 这个是日志

MBR addr = 0x8000,logic_offset = 0xa000 GPT:env : 12000 19fff
MBR addr = 0x10000,logic_offset = 0xa000 GPT:UDISK : 1a000 ffffffde
gpt_head->header_crc32 = 0x599a802b
GPT----part num 2---
gpt_entry: 128
gpt_header: 92
GPT:env : 12000 19fff
GPT:UDISK : 1a000 ffffffde
update gpt file ok
update mbr file ok
dragon: error while loading shared libraries: libstdc++.so.6: cannot open shared object file: No such file or directory

apt install libstdc++6

Reading package lists... Done
Building dependency tree
Reading state information... Done
libstdc++6 is already the newest version (10.5.0-1ubuntu1~20.04).
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.

全志T113sdk编译qt的时候如何添加上串口库
./configure
-prefix /home/dell/qt_install
-xplatform linux-arm-gnueabi-g++
-confirm-license
-opensource
-release
-shared
-qt-zlib
-qt-freetype
-sql-sqlite
-qt-libjpeg
-no-qml-debug
-no-dbus
-no-gif
-no-iconv
-no-opengl
-no-cups
-no-glib
-no-rpath
-no-avx
-no-openssl
-nomake tools
-qt-libpng
-no-tslib \

@Tronlong_support 怎么添加串口库，help