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【米尔MYS-8MMX开发板免费试用】sdk安装

dql2016

2021-8-9 16:34:52 4958 开发板试用

0 复制代码拿到板子要想开发自己的应用程序首先就得安装sdk，交叉编译工具。米尔给我们提供了适合不同用户需求的SDK以及十分详细的安装手册。按照手册进行SDK安装，安装完毕会有提示：先生效一下环境变量，现在这个SDK目录内容如下：查看下environment-setup-aarch64-poky-linux这个脚本的内容： cat environment-setup-aarch64-poky-linux 复制代码内容如下： # Check for LD_LIBRARY_PATH being set, which can break SDK and generally is a bad practice # http://tldp.org/HOWTO/Program-Library-HOWTO/shared-libraries.html#AEN80 # http://xahlee.info/UnixResource_dir/_/ldpath.html # Only disable this check if you are absolutely know what you are doing! if [ ! -z "$LD_LIBRARY_PATH" ]; then echo "Your environment is misconfigured, you probably need to 'unset LD_LIBRARY_PATH'" echo "but please check why this was set in the first place and that it's safe to unset." echo "The SDK will not operate correctly in most cases when LD_LIBRARY_PATH is set." echo "For more references see:" echo " http://tldp.org/HOWTO/Program-Library-HOWTO/shared-libraries.html#AEN80" echo " http://xahlee.info/UnixResource_dir/_/ldpath.html" return 1 fi export SDKTARGETSYSROOT=/media/nrjd/fsl-imx-xwayland/5.4-zeus/sysroots/aarch64-poky-linux export PATH=/media/nrjd/fsl-imx-xwayland/5.4-zeus/sysroots/x86_64-pokysdk-linux/usr/bin:/media/nrjd/fsl-imx-xwayland/5.4-zeus/sysroots/x86_64-pokysdk-linux/usr/*in:/media/nrjd/fsl-imx-xwayland/5.4-zeus/sysroots/x86_64-pokysdk-linux/bin:/media/nrjd/fsl-imx-xwayland/5.4-zeus/sysroots/x86_64-pokysdk-linux/in:/media/nrjd/fsl-imx-xwayland/5.4-zeus/sysroots/x86_64-pokysdk-linux/usr/bin/../x86_64-pokysdk-linux/bin:/media/nrjd/fsl-imx-xwayland/5.4-zeus/sysroots/x86_64-pokysdk-linux/usr/bin/aarch64-poky-linux:/media/nrjd/fsl-imx-xwayland/5.4-zeus/sysroots/x86_64-pokysdk-linux/usr/bin/aarch64-poky-linux-musl:$PATH export PKG_CONFIG_SYSROOT_DIR=$SDKTARGETSYSROOT export PKG_CONFIG_PATH=$SDKTARGETSYSROOT/usr/lib/pkgconfig:$SDKTARGETSYSROOT/usr/share/pkgconfig export CONFIG_SITE=/media/nrjd/fsl-imx-xwayland/5.4-zeus/site-config-aarch64-poky-linux export OECORE_NATIVE_SYSROOT="/media/nrjd/fsl-imx-xwayland/5.4-zeus/sysroots/x86_64-pokysdk-linux" export OECORE_TARGET_SYSROOT="$SDKTARGETSYSROOT" export OECORE_ACLOCAL_OPTS="-I /media/nrjd/fsl-imx-xwayland/5.4-zeus/sysroots/x86_64-pokysdk-linux/usr/share/aclocal" export OECORE_BASELIB="lib" export OECORE_TARGET_ARCH="aarch64" export OECORE_TARGET_OS="linux" unset command_not_found_handle export CC="aarch64-poky-linux-gcc -mcpu=cortex-a53+crc --sysroot=$SDKTARGETSYSROOT" export CXX="aarch64-poky-linux-g++ -mcpu=cortex-a53+crc --sysroot=$SDKTARGETSYSROOT" export CPP="aarch64-poky-linux-gcc -E -mcpu=cortex-a53+crc --sysroot=$SDKTARGETSYSROOT" export AS="aarch64-poky-linux-as " export LD="aarch64-poky-linux-ld --sysroot=$SDKTARGETSYSROOT" export GDB=aarch64-poky-linux-gdb export STRIP=aarch64-poky-linux-strip export RANLIB=aarch64-poky-linux-ranlib export OBJCOPY=aarch64-poky-linux-objcopy export OBJDUMP=aarch64-poky-linux-objdump export READELF=aarch64-poky-linux-readelf export AR=aarch64-poky-linux-ar export NM=aarch64-poky-linux-nm export M4=m4 export TARGET_PREFIX=aarch64-poky-linux- export CONFIGURE_FLAGS="--target=aarch64-poky-linux --host=aarch64-poky-linux --build=x86_64-linux --with-libtool-sysroot=$SDKTARGETSYSROOT" export CFLAGS=" -O2 -pipe -g -feliminate-unused-debug-types " export CXXFLAGS=" -O2 -pipe -g -feliminate-unused-debug-types " export LDFLAGS="-Wl,-O1 -Wl,--hash-style=gnu -Wl,--as-needed" export CPPFLAGS="" export KCFLAGS="--sysroot=$SDKTARGETSYSROOT" export OECORE_DISTRO_VERSION="5.4-zeus" export OECORE_SDK_VERSION="5.4-zeus" export ARCH=ARM64 export CROSS_COMPILE=aarch64-poky-linux- # Append environment subscripts if [ -d "$OECORE_TARGET_SYSROOT/environment-setup.d" ]; then for envfile in $OECORE_TARGET_SYSROOT/environment-setup.d/.sh; do . $envfile done fi if [ -d "$OECORE_NATIVE_SYSROOT/environment-setup.d" ]; then for envfile in $OECORE_NATIVE_SYSROOT/environment-setup.d/.sh; do . $envfile done fi 复制代码* 都是些环境变量的设置。通过查看可知ARCH=arm64 CROSS_COMPILE=aarch64-poky-linux- 那么交叉编译工具就是 aarch64-poky-linux-gcc 复制代码版本是9.2.0，这个版本对c++ 11支持还是十分全面的，为后面的应用开发提供了方便。 0
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