基于Ubuntu22.04交叉编译Arm Qt6.4_ubuntu16.04 arm linux 编译qt6.5

构建 ubuntu 22.04 arm64 根文件系统

参考：使用Ubuntu-base构建根文件系统_CoooStar的博客-CSDN博客

配置 toolchain 文件

cmake_minimum_required(VERSION 3.18)
include_guard(GLOBAL)
 
set(CMAKE_SYSTEM_NAME Linux)
set(CMAKE_SYSTEM_PROCESSOR arm)
 
#set(TARGET_SYSROOT /home/mc/Projects/rk3588_linux/ubuntu/binary)
set(TARGET_SYSROOT /home/mc/build_qt6_arm/rootfs)
 
#set(CROSS_COMPILER /opt/toolchain/bin/aarch64-none-linux-gnu-)
set(CROSS_COMPILER /usr/bin/aarch64-linux-gnu-)
set(CMAKE_SYSROOT ${TARGET_SYSROOT})
 
set(ENV{PKG_CONFIG_PATH} "")
set(ENV{PKG_CONFIG_LIBDIR} ${CMAKE_SYSROOT}/usr/lib/pkgconfig:${CMAKE_SYSROOT}/usr/share/pkgconfig)
set(ENV{PKG_CONFIG_SYSROOT_DIR} ${CMAKE_SYSROOT})
 
set(CMAKE_C_COMPILER ${CROSS_COMPILER}gcc)
set(CMAKE_CXX_COMPILER ${CROSS_COMPILER}g++)
 
 
set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
 
include(CMakeInitializeConfigs)
 
function(cmake_initialize_per_config_variable _PREFIX _DOCSTRING)
  if (_PREFIX MATCHES "CMAKE_(C|CXX|ASM)_FLAGS")
    set(CMAKE_${CMAKE_MATCH_1}_FLAGS_INIT "${QT_COMPILER_FLAGS}")
 
    foreach (config DEBUG RELEASE MINSIZEREL RELWITHDEBINFO)
      if (DEFINED QT_COMPILER_FLAGS_${config})
        set(CMAKE_${CMAKE_MATCH_1}_FLAGS_${config}_INIT "${QT_COMPILER_FLAGS_${config}}")
      endif()
    endforeach()
  endif()
 
  if (_PREFIX MATCHES "CMAKE_(SHARED|MODULE|EXE)_LINKER_FLAGS")
    foreach (config SHARED MODULE EXE)
      set(CMAKE_${config}_LINKER_FLAGS_INIT "${QT_LINKER_FLAGS}")
    endforeach()
  endif()
 
  _cmake_initialize_per_config_variable(${ARGV})
endfunction()

执行构建

$HOME/build_qt6_arm/qt-everywhere-src-6.4.3/configure \
  -release  -nomake examples -nomake tests -no-opengl \
  -qt-host-path /opt/Qt/6.4.3/gcc_64                  \  
  -prefix /opt/qt6-arm64                              \ 
  -- -DCMAKE_TOOLCHAIN_FILE=$HOME/build_qt6_arm/toolchain.cmake  
 
 
 
cmake --build buildQt6 --parallel
 
 
 
cmake --install buildQt6

参考资料

配置嵌入式 Linux 设备 |Qt 6.4