#!/bin/sh
set -o errexit

# Reading system configuration informations, functions and package versions.
source ../sysinfos
source ../functions
source ../packages-list

PACKAGE=${KERNEL}

# Move kernel source files to their final destination
mkdir -pv ${LFS}/usr/src
decompress_package ${PACKAGE} ${LFS}/usr/src

cd ${LFS}/usr/src/${PACKAGE}
${HVMAKE} mrproper

# Install HV kernel compilation script:
VERSION=$(get_pkg_ver ${PACKAGE})
SCRIPT=${LFS}/usr/src/compile-kernel-minimal

echo "#!/bin/sh" > ${SCRIPT}
echo "KERNEL_VERSION=${VERSION}" >> ${SCRIPT}
echo "KERNEL_NAME=clfs-\${KERNEL_VERSION}" >> ${SCRIPT}
echo "DEST=${LFS}/boot" >> ${SCRIPT}
echo "PATH=\${PATH}:${LFS}/cross-tools/bin" >> ${SCRIPT}
echo "" >> ${SCRIPT}

echo "make ARCH=${HVL_TARGET} CROSS_COMPILE=${CLFS_TARGET}- menuconfig &&" >> ${SCRIPT}

# Compile the kernel image:
echo "make ARCH=${HVL_TARGET} CROSS_COMPILE=${CLFS_TARGET}- &&" >> ${SCRIPT}

# Install the kernel:
echo "cp -v arch/${HVL_TARGET}/boot/bzImage \${DEST}/vmlinuz-\${KERNEL_NAME} &&" >> ${SCRIPT}

# Install map file:
echo "cp -v System.map \${DEST}/System.map-\${KERNEL_NAME} &&" >> ${SCRIPT}

# Install config file:
echo "cp -v .config \${DEST}/config-\${KERNEL_NAME}" >> ${SCRIPT}

cat >> ${SCRIPT} << "EOF"

if [ $? -ne 0 ]; then
    echo "*** Kernel compilation error ***."
    exit 1
fi

exit 0
EOF

chmod -v u+x ${SCRIPT}

exit $?