xilinx交叉編譯環境的設置（參考）

# 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 "$LD_LIBRARY_PATH" ]; thenecho "Your environment is misconfigured, you probably need to 'unset LD_LIBRARY_PATH'"echo "but please check why this was set in the first place and that it's safe to unset."echo "The SDK will not operate correctly in most cases when LD_LIBRARY_PATH is set."echo "For more references see:"echo " http://tldp.org/HOWTO/Program-Library-HOWTO/shared-libraries.html#AEN80"echo " http://xahlee.info/UnixResource_dir/_/ldpath.html"return 1 fi export SDKTARGETSYSROOT=/opt/petalinux/2021.1/sysroots/cortexa72-cortexa53-xilinx-linux export PATH=/opt/petalinux/2021.1/sysroots/x86_64-petalinux-linux/usr/bin:/opt/petalinux/2021.1/sysroots/x86_64-petalinux-linux/usr/sbin:/opt/petalinux/2021.1/sysroots/x86_64-petalinux-linux/bin:/opt/petalinux/2021.1/sysroots/x86_64-petalinux-linux/sbin:/opt/petalinux/2021.1/sysroots/x86_64-petalinux-linux/usr/bin/../x86_64-petalinux-linux/bin:/opt/petalinux/2021.1/sysroots/x86_64-petalinux-linux/usr/bin/aarch64-xilinx-linux:/opt/petalinux/2021.1/sysroots/x86_64-petalinux-linux/usr/bin/aarch64-xilinx-linux-musl:$PATH export PKG_CONFIG_SYSROOT_DIR=$SDKTARGETSYSROOT export PKG_CONFIG_PATH=$SDKTARGETSYSROOT/usr/lib/pkgconfig:$SDKTARGETSYSROOT/usr/share/pkgconfig export CONFIG_SITE=/opt/petalinux/2021.1/site-config-cortexa72-cortexa53-xilinx-linux export OECORE_NATIVE_SYSROOT="/opt/petalinux/2021.1/sysroots/x86_64-petalinux-linux" export OECORE_TARGET_SYSROOT="$SDKTARGETSYSROOT" export OECORE_ACLOCAL_OPTS="-I /opt/petalinux/2021.1/sysroots/x86_64-petalinux-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-xilinx-linux-gcc -mcpu=cortex-a72.cortex-a53 -march=armv8-a+crc -fstack-protector-strong -D_FORTIFY_SOURCE=2 -Wformat -Wformat-security -Werror=format-security --sysroot=$SDKTARGETSYSROOT" export CXX="aarch64-xilinx-linux-g++ -mcpu=cortex-a72.cortex-a53 -march=armv8-a+crc -fstack-protector-strong -D_FORTIFY_SOURCE=2 -Wformat -Wformat-security -Werror=format-security --sysroot=$SDKTARGETSYSROOT" export CPP="aarch64-xilinx-linux-gcc -E -mcpu=cortex-a72.cortex-a53 -march=armv8-a+crc -fstack-protector-strong -D_FORTIFY_SOURCE=2 -Wformat -Wformat-security -Werror=format-security --sysroot=$SDKTARGETSYSROOT" export AS="aarch64-xilinx-linux-as " export LD="aarch64-xilinx-linux-ld --sysroot=$SDKTARGETSYSROOT" export GDB=aarch64-xilinx-linux-gdb export STRIP=aarch64-xilinx-linux-strip export RANLIB=aarch64-xilinx-linux-ranlib export OBJCOPY=aarch64-xilinx-linux-objcopy export OBJDUMP=aarch64-xilinx-linux-objdump export READELF=aarch64-xilinx-linux-readelf export AR=aarch64-xilinx-linux-ar export NM=aarch64-xilinx-linux-nm export M4=m4 export TARGET_PREFIX=aarch64-xilinx-linux- export CONFIGURE_FLAGS="--target=aarch64-xilinx-linux --host=aarch64-xilinx-linux --build=x86_64-linux --with-libtool-sysroot=$SDKTARGETSYSROOT" export CFLAGS=" -O2 -pipe -g -feliminate-unused-debug-types " export CXXFLAGS=" -O2 -pipe -g -feliminate-unused-debug-types " export LDFLAGS="-Wl,-O1 -Wl,--hash-style=gnu -Wl,--as-needed -Wl,-z,relro,-z,now" export CPPFLAGS="" export KCFLAGS="--sysroot=$SDKTARGETSYSROOT" export OECORE_DISTRO_VERSION="2021.1" export OECORE_SDK_VERSION="2021.1" export ARCH=arm64 export CROSS_COMPILE=aarch64-xilinx-linux-# Append environment subscripts if [ -d "$OECORE_TARGET_SYSROOT/environment-setup.d" ]; thenfor envfile in $OECORE_TARGET_SYSROOT/environment-setup.d/*.sh; do. $envfiledone fi if [ -d "$OECORE_NATIVE_SYSROOT/environment-setup.d" ]; thenfor envfile in $OECORE_NATIVE_SYSROOT/environment-setup.d/*.sh; do. $envfiledone fi

如何根據需要設置自己的交叉編譯環境

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