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Remove no unneeded debug bits from script to build mac80211_hwsim kernel module #36

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Nov 29, 2023
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Remove no unneeded debug bits from script to build mac80211_hwsim kernel module #36

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31 changes: 14 additions & 17 deletions .docker/netremote-dev/build-mac80211_hwsim-kmod.sh
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Original file line number Diff line number Diff line change
@@ -1,4 +1,11 @@
#!/bin/bash
#
# Compiles the mac80211_hwsim driver as a module for the WSL2 kernel.
#
# Inspired by:
# - https://gist.github.com/charlie-x/96a92aaaa04346bdf1fb4c3621f3e392
# - https://github.com/microsoft/WSL2-Linux-Kernel#build-instructions
#

set -euxo pipefail

Expand Down Expand Up @@ -30,16 +37,6 @@ WSL_KERNEL_COMPILE_ARG_PARALLEL="-j $(expr $(nproc) - 1)"
# Mostly used for testing.
WGET_XTRA_ARGS=

# Print debug information if DEBUG is set to 1.
if [[ $DEBUG -eq 1 ]]; then
echo "DEBUG: KERNEL_VERSION=${KERNEL_VERSION}"
echo "DEBUG: KERNEL_FILE_NAME=${KERNEL_FILE_NAME}"
echo "DEBUG: KERNEL_URL_FILE=${KERNEL_URL_FILE}"
echo "DEBUG: WSL_SRC_DIRECTORY=${WSL_SRC_DIRECTORY}"
echo "DEBUG: WSL_SRC_CONFIG_FILE_NAME=${WSL_SRC_CONFIG_FILE_NAME}"
echo "DEBUG: WSL_SRC_CONFIG=${WSL_SRC_CONFIG}"
fi

# Install dependencies for building kernel modules.
# (see https://github.com/microsoft/WSL2-Linux-Kernel)
# added bc, python-is-python3
Expand All @@ -63,17 +60,11 @@ if [[ ! -f ${WSL_SRC_CONFIG} ]]; then
cat /proc/config.gz | gzip -d > ${WSL_SRC_CONFIG}
fi

# Create a link to where the kernel build expects the config file.
if [[ ! -f .config ]]; then
ln -s ${WSL_SRC_CONFIG} .config
fi

# Supply defaults for any new/unspecified options in the configuration.
make olddefconfig

# Prepare the source tree for building external modules.
echo "Preparing kernel source tree for building external modules..."
make prepare modules_prepare ${WSL_KERNEL_COMPILE_ARG_PARALLEL}

# Update the configuration to build the mac80211_hwsim module and its dependencies.
echo "Updating kernel configuration to build mac80211_hwsim module and its dependencies..."
${KERNEL_CONFIG_UTIL} \
Expand All @@ -82,6 +73,12 @@ ${KERNEL_CONFIG_UTIL} \
--module CONFIG_MAC80211 \
--module CONFIG_MAC80211_HWSIM

# Supply defaults for any new/unspecified options in the configuration.
make olddefconfig

echo "Preparing kernel source tree for building external modules..."
make prepare modules_prepare ${WSL_KERNEL_COMPILE_ARG_PARALLEL}

echo "Building kernel modules..."
make modules ${WSL_KERNEL_COMPILE_ARG_PARALLEL}

Expand Down