在 Ubuntu 上为高通骁龙 8155P 主板构建 Qt
在继续之前，需要设置好 Green Hills INTEGRITY 和 Qualcomm 开发环境。请参阅安装平台依赖项。
创建设置环境 shell 脚本
要为 Qt for INTEGRITY 设置开发环境，请从高通 Snapdragon 8155P 板的源代码构建 Qt。在构建 Qt for INTEGRITY 之前，请先设置构建环境。这里有一个批处理脚本来自动完成这项工作，因为每次构建前都需要这样做。
创建一个新的 shell 脚本setEnvironment.sh，并将其保存在主文件夹下。在脚本中添加以下导出命令：
export PATH=$PATH:/work/ghs/sa8155/es7/es7_dev_env/hlos_dev_boot/apps/ghs_apps_proc/comp export INTEGRITY_DIR=/work/ghs/sa8155/es7/es7_dev_env/hlos_dev_boot/apps/ghs_apps_proc/integrity export INTEGRITY_BSP=platform-sa8155 export INTEGRITY_BUILD_TARGET=chk export QC_MULTIMEDIA_INC_DIR=/work/ghs/sa8155/es7/es7_dev_env/hlos_dev_boot/apps/ghs_apps_proc/qc_bsp/include/amss/multimedia export GL_INC_DIR=/work/ghs/sa8155/es7/es7_dev_env/hlos_dev_boot/apps/ghs_apps_proc/qc_bsp/AMSS/multimedia/graphics/include/public export GL_LIB_DIR=/work/ghs/sa8155/es7/es7_dev_env/hlos_dev_boot/apps/ghs_apps_proc/qc_bsp/out/rel/libs/base:/work/ghs/sa8155/es7/es7_dev_env/hlos_dev_boot/apps/ghs_apps_proc/qc_bsp/out/rel/libs/multimedia/display:/work/ghs/sa8155/es7/es7_dev_env/hlos_dev_boot/apps/ghs_apps_proc/qc_bsp/out/rel/libs/multimedia/graphics:/work/ghs/sa8155/es7/es7_dev_env/hlos_dev_boot/apps/ghs_apps_proc/qc_bsp/out/rel/libs/platform/:/work/ghs/sa8155/es7/es7_dev_env/hlos_dev_boot/apps/ghs_apps_proc/qc_bsp/AMSS/multimedia/graphics/opengl/esx/build/integrity/prebuilt/
这些导出路径假定您在安装 MULTI IDE 和 INTEGRITY 时使用了/work/ghs/* 安装目录（请参阅安装平台依赖关系）。如果未使用默认目录，请相应调整导出路径。
要初始化构建环境，请在终端中运行以下命令：
source ~/setEnvironment.sh
注意： 每次编译 Qt 或使用qmake 或CMake 编译系统时，都要在终端中运行此命令。
获取 Qt 源代码
您可以从Qt 账户下载 Qt 源代码。
您也可以从 Git repo 获取 Qt源代码，请参阅获取源代码。
注意： Qt 源代码版本必须是 6.2 或更高版本。
使用交叉编译工具构建 Qt 桌面
交叉编译 Qt 要求 Qt 的主机构建可用。在编译过程中，会调用 moc、rcc、qmlcachegen、qsb 等工具。更多详细信息，请阅读交叉编译 Qt。
运行以下命令
mkdir hostbuild cd hostbuild/ ../qt5/configure -nomake tests -nomake examples -release -prefix /work/ghs/hostbuild cmake --build . --parallel 6 cmake --install .
注意： 如果ninja 可执行文件可用，configure 始终使用Ninja生成器和构建工具。Ninja 跨平台、功能丰富、性能卓越，建议在所有平台上使用。使用其他生成器可能可行，但未获官方支持。
为 INTEGRITY 创建工具链文件
要使用 CMake 交叉编译项目，必须指定一个工具链文件。这个 CMake 语言文件会为平台名称、所使用的编译器/链接器以及其他一大堆与工具链相关的内容设置正确的值。为了在 Ubuntu 上进行完整性构建，请创建一个包含以下内容的 toolchain.cmake 文件：
# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
set(TARGET_ROOT_PATH "/work/ghs/sa8155/es7/es7_dev_env/hlos_dev_boot")
set(CMAKE_BUILD_TYPE "Release")
set(CMAKE_C_COMPILER cxintarm64)
set(CMAKE_CXX_COMPILER cxintarm64)
set(CMAKE_ASM_COMPILER cxintarm64)
#generic
set(CMAKE_SYSTEM_NAME Integrity)
set(CMAKE_SYSTEM_PROCESSOR arm)
set(CMAKE_CROSSCOMPILING True)
set(EGL_FOUND True)
set(UNIX True)
set (CMAKE_C_COMPILE_FEATURES c_std_99)
set (CMAKE_CXX_COMPILE_FEATURES
cxx_alias_templates
cxx_alignas
cxx_alignof
cxx_attributes
cxx_auto_type
cxx_constexp
cxx_decltype
cxx_delegating_constructors
cxx_explicit_conversions
cxx_extern_templates
cxx_inheriting_constructors
cxx_lambdas
cxx_noexcept
cxx_nonstatic_member_init
cxx_nullptr
cxx_override
cxx_range_for
cxx_raw_string_literals
cxx_reference_qualified_functions
cxx_rvalue_references
cxx_static_assert
cxx_std_17
cxx_thread_local
cxx_unicode_literals
cxx_uniform_initialization
cxx_unrestricted_unions
cxx_variadic_macros
cxx_variadic_templates)
#graphical lib paths
set(EGL_LIBRARY_GRAPHIC_PATH ${TARGET_ROOT_PATH}/apps/ghs_apps_proc/qc_bsp/out/chk/libs/multimedia/graphics)
set(EGL_LIBRARY_PLATFORM_PATH ${TARGET_ROOT_PATH}/apps/ghs_apps_proc/qc_bsp/out/chk/libs/platform)
set(EGL_LIBRARY_BASE_PATH ${TARGET_ROOT_PATH}/apps/ghs_apps_proc/qc_bsp/out/chk/libs/base)
set(EGL_LIBRARY_CHK_PATH ${TARGET_ROOT_PATH}/apps/ghs_apps_proc/integrity/libs/arm64/chk)
set(EGL_LIBRARY_PREBUILD_PATH ${TARGET_ROOT_PATH}/apps/ghs_apps_proc/qc_bsp/AMSS/multimedia/graphics/opengl/esx/build/integrity/prebuilt)
set(EGL_LIBRARY_OPENWFD_PATH ${TARGET_ROOT_PATH}/apps/ghs_apps_proc/qc_bsp/out/chk/libs/multimedia/display)
#base
set(CMAKE_C_FLAGS "-bsp $ENV{INTEGRITY_BSP} -os_dir $ENV{INTEGRITY_DIR} -non_shared -startfile_dir=$ENV{INTEGRITY_DIR}/libs/$ENV{INTEGRITY_BSP}/$ENV{INTEGRITY_BUILD_TARGET} --rtos_library_directory=libs/$ENV{INTEGRITY_BSP}/$ENV{INTEGRITY_BUILD_TARGET} --rtos_library_directory=libs/arm64/$ENV{INTEGRITY_BUILD_TARGET} -bigswitch -DINTEGRITY -llibposix.a")
set(CMAKE_C_FLAGS_DEBUG "-g -Omaxdebug")
set(CMAKE_C_FLAGS_RELEASE "-Ospeed -Olink -Omax -no_uvfd")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} --signed_fields --diag_suppress=1,82,228,236,381,611,961,997,1795,1931,1974,3148 --c++17 --thread_local_storage --exceptions --defer_parse_function_templates")
set(CMAKE_CXX_FLAGS "${CMAKE_C_FLAGS} -frigor=accurate --signed_fields --no_implicit_include --link_once_templates -non_shared --new_outside_of_constructor --commons -I $ENV{QC_MULTIMEDIA_INC_DIR}")
set(CMAKE_CXX_FLAGS_DEBUG ${CMAKE_C_FLAGS_DEBUG})
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE}")
set(CMAKE_FIND_LIBRARY_PREFIXES "lib")
set(CMAKE_FIND_LIBRARY_SUFFIXES ".a")
set(BUILD_SHARED_LIBS OFF)
set(QT_CFLAGS_OPTIMIZE_FULL "-Ospeed -Olink -Omax -no_uvfd")
set(GLSLANG_OSDEP_PATH ../3rdparty/glslang/glslang/OSDependent/Unix)
set(GL_INC_DIR ${TARGET_ROOT_PATH}/apps/ghs_apps_proc/qc_bsp/AMSS/multimedia/graphics/include/public)
set(PKG_EGL_LIBRARY_DIRS ${TARGET_ROOT_PATH})
set(EGL_INCLUDE_DIR ${GL_INC_DIR})
set(EGL_LIBRARY "${EGL_LIBRARY_GRAPHIC_PATH}/libESXEGL_Adreno.a")
set(GLESv2_INCLUDE_DIR ${GL_INC_DIR})
set(GLESv2_LIBRARY "${EGL_LIBRARY_GRAPHIC_PATH}/libESXGLESv2_Adreno.a")
set(IntegrityPlatformGraphics_INCLUDE_DIR ${GL_INC_DIR})
set(IntegrityPlatformGraphics_LIBRARY "${EGL_LIBRARY_GRAPHIC_PATH}/libadreno_utils.a")
set(IntegrityPlatformGraphics_LIBRARIES_PACK
"${EGL_LIBRARY_BASE_PATH}/libplanedef.a"
"${EGL_LIBRARY_BASE_PATH}/libmmosalfile.a"
"${EGL_LIBRARY_BASE_PATH}/libOSAbstraction.a"
"${EGL_LIBRARY_OPENWFD_PATH}/libopenwfd.a"
"${EGL_LIBRARY_GRAPHIC_PATH}/libOSUser.a"
"${EGL_LIBRARY_GRAPHIC_PATH}/libpanel.a"
"${EGL_LIBRARY_GRAPHIC_PATH}/libGSLUser.a"
"${EGL_LIBRARY_PREBUILD_PATH}/libglnext-llvm.a"
"${EGL_LIBRARY_PLATFORM_PATH}/libpmem.a"
"${EGL_LIBRARY_CHK_PATH}/libposix.a"
"${EGL_LIBRARY_CHK_PATH}/libivfs.a"
)
list(APPEND _qt_igy_gui_libs
"${GLESv2_LIBRARY}"
"${IntegrityPlatformGraphics_LIBRARY}"
"${IntegrityPlatformGraphics_LIBRARIES_PACK}")
set(OPENGL_INCLUDE_DIR ${GL_INC_DIR})
set(OPENGL_opengl_LIBRARY ${EGL_LIBRARY})为 INTEGRITY 配置 Qt
使用以下命令为高通 Snapdragon 8155P 板配置 Qt：
cd /work/ghs/targetbuild // Path to Qt installation directory cmake ../qt5/ -DQT_HOST_PATH=/work/ghs/hostbuild/qtbase -DCMAKE_TOOLCHAIN_FILE=/work/ghs/sa8155/es7/es7_dev_env/hlos_dev_boot/apps/ghs_apps_proc/toolchain_integrity.cmake -DQT_QMAKE_TARGET_MKSPEC=devices/integrity-armv8-SA8155P -DBUILD_qtdoc=OFF -DBUILD_qttranslations=OFF -DFEATURE_printdialog=OFF --debug-trycompile -DFEATURE_dbus=OFF -GNinja -DUNIX=ON -DEGL_LIBRARY=/work/ghs/sa8155/es7/es7_dev_env/hlos_dev_boot/libeglmegapack.a -DEGL_INCLUDE_DIR=/work/ghs/sa8155/es7/es7_dev_env/hlos_dev_boot/apps/ghs_apps_proc/qc_bsp/AMSS/multimedia/graphics/include/public -DFEATURE_dnslookup=OFF -DFEATURE_glib=OFF -DFEATURE_libudev=OFF -DFEATURE_system_pcre2=OFF -DFEATURE_sql_mysql=OFF -DCMAKE_INSTALL_PREFIX=/work/ghs/targetbuild
注意： INTEGRITY 仅支持静态 Qt 构建。
注： QT_HOST_PATH 变量在 Qt 6 中引入。交叉编译时，必须将其设置为主机平台的 Qt 安装位置。它用于定位要在主机上运行的工具（moc、rcc、androiddeployqt 等）。
为 INTEGRITY 构建 Qt
通过在终端中调用cmake 来构建 Qt。您可以在主机上使用任意多的内核运行cmake 。在我们的示例中，我们使用了六个内核：
cmake --build . --parallel 6
安装 Qt
如果尚未使用配置Qt 中的 configure 选项-prefix $PWD/qtbase ，请在终端运行以下命令：
cd <Qt installation directory> cmake --install .
如果使用了-prefix $PWD/qtbase 中的 configure 选项，则可以从联编目录中使用 Qt，而无需运行cmake install 命令。
现在已为 sa8155 板配置并构建了 Qt。
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