#!/bin/sh
set -o errexit

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

PACKAGE=${1}
shift
CONFIGURE_OPTS=${*}

# Applying patches (if any)
apply_patches ${PACKAGE}

# The kernel sources were already copied into /usr/src in stage0
cd /usr/src/${PACKAGE}
make mrproper
make headers_check
# Remove any previous headers install
rm -rf dest
make INSTALL_HDR_PATH=dest headers_install
cp -rv dest/include/* /usr/include
find /usr/include -name .install -or -name ..install.cmd | xargs rm -fv
rm -rf dest

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

echo "#!/bin/sh" > ${SCRIPT}
echo "KERNEL_VERSION=${VERSION}" >> ${SCRIPT}
echo "KERNEL_NAME=clfs-\${KERNEL_VERSION}" >> ${SCRIPT}
echo "DEST=/boot" >> ${SCRIPT}
echo "ARCH=${HVL_TARGET}" >> ${SCRIPT}
echo "unset CROSS_COMPILE" >> ${SCRIPT}
echo "" >> ${SCRIPT}
echo "make &&" >> ${SCRIPT}
echo "make modules &&" >> ${SCRIPT}
echo "make modules_install &&" >> ${SCRIPT}
echo "cp -v arch/${HVL_TARGET}/boot/bzImage \${DEST}/vmlinuz-\${KERNEL_NAME} &&" >> ${SCRIPT}
echo "cp -v System.map \${DEST}/System.map-\${KERNEL_NAME} &&" >> ${SCRIPT}
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 $?