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fix(linux): Remove "host#" prefix from GCC_ToolChain export commands #814

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fix(linux): Remove "host#" prefix from GCC_ToolChain export commands #814

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42 changes: 21 additions & 21 deletions source/linux/Overview/GCC_ToolChain.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -16,29 +16,29 @@

.. code-block:: console

host# export CROSS_COMPILE_32="${SDK_INSTALL_DIR}/linux-devkit/sysroots/x86_64-arago-linux/usr/bin/arm-oe-linux-gnueabi/arm-oe-linux-gnueabi-"

@jeevantelukula jeevantelukula Oct 26, 2026

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Nitpick, since you are removing host# prefix, better to add a comment on top of the code block saying to run the commands on the host.

host# export SYSROOT_32="${SDK_INSTALL_DIR}/linux-devkit/sysroots/armv7at2hf-neon-oe-linux-gnueabi"
host# export CFLAGS="-march=armv7-a -mthumb -mfpu=neon -mfloat-abi=hard"
host# export CC_32="${CROSS_COMPILE_32}gcc ${CFLAGS} --sysroot=${SYSROOT_32}"
export CROSS_COMPILE_32="${SDK_INSTALL_DIR}/linux-devkit/sysroots/x86_64-arago-linux/usr/bin/arm-oe-linux-gnueabi/arm-oe-linux-gnueabi-"

Check warning on line 19 in source/linux/Overview/GCC_ToolChain.rst

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GitHub Actions / vale 

[vale] reported by reviewdog 🐶
[RedHat.Headings] Use sentence-style capitalization in 'linux-devkit'.

Raw Output:
{"message": "[RedHat.Headings] Use sentence-style capitalization in 'linux-devkit'.", "location": {"path": "source/linux/Overview/GCC_ToolChain.rst", "range": {"start": {"line": 19, "column": 51}}}, "severity": "INFO"}

Check warning on line 19 in source/linux/Overview/GCC_ToolChain.rst

View workflow job for this annotation

GitHub Actions / vale 

[vale] reported by reviewdog 🐶
[RedHat.CaseSensitiveTerms] Use 'Linux' rather than 'linux'.

Raw Output:
{"message": "[RedHat.CaseSensitiveTerms] Use 'Linux' rather than 'linux'.", "location": {"path": "source/linux/Overview/GCC_ToolChain.rst", "range": {"start": {"line": 19, "column": 51}}}, "severity": "WARNING"}
export SYSROOT_32="${SDK_INSTALL_DIR}/linux-devkit/sysroots/armv7at2hf-neon-oe-linux-gnueabi"

Check warning on line 20 in source/linux/Overview/GCC_ToolChain.rst

View workflow job for this annotation

GitHub Actions / vale 

[vale] reported by reviewdog 🐶
[RedHat.CaseSensitiveTerms] Use 'Linux' rather than 'linux'.

Raw Output:
{"message": "[RedHat.CaseSensitiveTerms] Use 'Linux' rather than 'linux'.", "location": {"path": "source/linux/Overview/GCC_ToolChain.rst", "range": {"start": {"line": 20, "column": 45}}}, "severity": "WARNING"}
export CFLAGS="-march=armv7-a -mthumb -mfpu=neon -mfloat-abi=hard"
export CC_32="${CROSS_COMPILE_32}gcc ${CFLAGS} --sysroot=${SYSROOT_32}"

.. ifconfig:: CONFIG_part_variant not in ('AM335X', 'AM437X', 'AM57X')

.. code-block:: console

host# export CROSS_COMPILE_64="${SDK_INSTALL_DIR}/linux-devkit/sysroots/x86_64-arago-linux/usr/bin/aarch64-oe-linux/aarch64-oe-linux-"
host# export SYSROOT_64="${SDK_INSTALL_DIR}/linux-devkit/sysroots/aarch64-oe-linux"
host# export CC_64="${CROSS_COMPILE_64}gcc --sysroot=${SYSROOT_64}"
host# export CFLAGS64="--sysroot=${SYSROOT_64}"
host# export KCFLAGS="--sysroot=${SYSROOT_64}"
host# export LDFLAGS="--sysroot=${SYSROOT_64}"
export CROSS_COMPILE_64="${SDK_INSTALL_DIR}/linux-devkit/sysroots/x86_64-arago-linux/usr/bin/aarch64-oe-linux/aarch64-oe-linux-"
export SYSROOT_64="${SDK_INSTALL_DIR}/linux-devkit/sysroots/aarch64-oe-linux"
export CC_64="${CROSS_COMPILE_64}gcc --sysroot=${SYSROOT_64}"
export CFLAGS64="--sysroot=${SYSROOT_64}"
export KCFLAGS="--sysroot=${SYSROOT_64}"
export LDFLAGS="--sysroot=${SYSROOT_64}"

.. ifconfig:: CONFIG_part_variant not in ('AM335X', 'AM437X', 'AM57X', 'AM62LX')

.. code-block:: console

host# export CROSS_COMPILE_32="${SDK_INSTALL_DIR}/k3r5-devkit/sysroots/x86_64-arago-linux/usr/bin/arm-oe-eabi/arm-oe-eabi-"
host# export SYSROOT_32="${SDK_INSTALL_DIR}/k3r5-devkit/sysroots/armv7at2hf-vfp-oe-eabi"
host# export CFLAGS32="--sysroot=${SYSROOT_32}"
export CROSS_COMPILE_32="${SDK_INSTALL_DIR}/k3r5-devkit/sysroots/x86_64-arago-linux/usr/bin/arm-oe-eabi/arm-oe-eabi-"

Check warning on line 39 in source/linux/Overview/GCC_ToolChain.rst

View workflow job for this annotation

GitHub Actions / vale 

[vale] reported by reviewdog 🐶
[RedHat.Headings] Use sentence-style capitalization in 'k3r5-devkit'.

Raw Output:
{"message": "[RedHat.Headings] Use sentence-style capitalization in 'k3r5-devkit'.", "location": {"path": "source/linux/Overview/GCC_ToolChain.rst", "range": {"start": {"line": 39, "column": 51}}}, "severity": "INFO"}
export SYSROOT_32="${SDK_INSTALL_DIR}/k3r5-devkit/sysroots/armv7at2hf-vfp-oe-eabi"
export CFLAGS32="--sysroot=${SYSROOT_32}"

If the Processor SDK is not installed, the Arm GNU toolchains can be downloaded and setup.
Refer to :ref:`external-arm-toolchain` section for more details on usage.
Expand Down Expand Up @@ -336,12 +336,12 @@

.. code-block:: console

host# COMPILER_PATH=/opt/arm-toolchain
host# mkdir -p $COMPILER_PATH
host# wget -c https://developer.arm.com/-/media/Files/downloads/gnu/13.3.rel1/binrel/arm-gnu-toolchain-13.3.rel1-x86_64-arm-none-linux-gnueabihf.tar.xz -O - | tar -xv -J -C $COMPILER_PATH
host# wget -c https://developer.arm.com/-/media/Files/downloads/gnu/13.3.rel1/binrel/arm-gnu-toolchain-13.3.rel1-x86_64-aarch64-none-linux-gnu.tar.xz -O - | tar -xv -J -C $COMPILER_PATH
host# export CROSS_COMPILE_64=$COMPILER_PATH/arm-gnu-toolchain-13.3.rel1-x86_64-aarch64-none-linux-gnu/bin/aarch64-none-linux-gnu-
host# export CROSS_COMPILE_32=$COMPILER_PATH/arm-gnu-toolchain-13.3.rel1-x86_64-arm-none-linux-gnueabihf/bin/arm-none-linux-gnueabihf-
host# export CC_64="${CROSS_COMPILE_64}gcc"
host# export CC_32="${CROSS_COMPILE_32}gcc"
COMPILER_PATH=/opt/arm-toolchain
mkdir -p $COMPILER_PATH
wget -c https://developer.arm.com/-/media/Files/downloads/gnu/13.3.rel1/binrel/arm-gnu-toolchain-13.3.rel1-x86_64-arm-none-linux-gnueabihf.tar.xz -O - | tar -xv -J -C $COMPILER_PATH
wget -c https://developer.arm.com/-/media/Files/downloads/gnu/13.3.rel1/binrel/arm-gnu-toolchain-13.3.rel1-x86_64-aarch64-none-linux-gnu.tar.xz -O - | tar -xv -J -C $COMPILER_PATH
export CROSS_COMPILE_64=$COMPILER_PATH/arm-gnu-toolchain-13.3.rel1-x86_64-aarch64-none-linux-gnu/bin/aarch64-none-linux-gnu-
export CROSS_COMPILE_32=$COMPILER_PATH/arm-gnu-toolchain-13.3.rel1-x86_64-arm-none-linux-gnueabihf/bin/arm-none-linux-gnueabihf-
export CC_64="${CROSS_COMPILE_64}gcc"
export CC_32="${CROSS_COMPILE_32}gcc"

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