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#!/bin/sh -e
# POSIX install functions, similar to 'install -Dm'
# and 'install -Dm* -t'
kinstall() {
# usage: kinstall 644 file /usr/bin/prog
mkdir -p "${3%/*}"; rmdir "$3" 2>/dev/null ||:
cp "$2" "$3"
[ -d "$3" ] && set -- "$1" "$3/${2##*/}"
chmod "$1" "${3:-$2}"
}
kinstall_t() {
# usage: kinstall_t 644 /usr/bin prog1 prog2
mod=$1 dir=$2; mkdir -p "$dir"
shift 2
for file; do
cp "$file" "$dir"
chmod "$mod" "$dir/${file##*/}"
done
}
# Use an out function similar to KISS' log.
out() { printf '\033[1;33m-> \033[1;36mlinux \033[m%s\n' "$@" >&2 ;}
patch -p1 < kernel-no-perl.patch
cp .config oldconfig
make olddefconfig
# Store the build version in a file and a variable.
make kernelrelease > version
read ver < version
modulepath="$1/usr/lib/modules/$ver/build"
out "Compiling the kernel"
make
out "Installing the kernel"
kinstall 644 "$(make -s image_name)" "$1/boot/vmlinuz-$ver"
kinstall 644 System.map "$1/boot/System.map-$ver"
kinstall 644 .config "$1/boot/Config-$ver"
out "Installing kernel modules"
make INSTALL_MOD_PATH="$1/usr" modules_install
out "Creating module source directory"
rm -f "${modulepath%/*}/build" "${modulepath%/*}/source"
kinstall_t 644 "$modulepath/arch/x86" arch/x86/Makefile
kinstall_t 644 "$modulepath/arch/x86/kernel" arch/x86/kernel/asm-offsets.s
kinstall_t 644 "$modulepath/kernel" kernel/Makefile
kinstall_t 644 "$modulepath/drivers/md" drivers/md/*.h
kinstall_t 644 "$modulepath/net/mac80211" net/mac80211/*.h
kinstall_t 755 "$modulepath/tools/objtool" tools/objtool/objtool
kinstall_t 644 "$modulepath" .config Makefile Module.symvers \
System.map version vmlinux
cp -a scripts "$modulepath/scripts"
cp -a include "$modulepath/include"
cp -a arch/x86/include "$modulepath/arch/x86/include"
find . -name 'Kconfig*' | while read -r file; do
kinstall 644 "$file" "$modulepath/$file"
done
out "Removing junk"
find -L "${modulepath%/*}" -type l -exec rm -rf {} +
find "${modulepath%/*}" -type f -name '*.o' -exec rm -rf {} +
out "Linking /usr/src/linux to the module directory"
mkdir -p "$1/usr/src"
ln -sf "${modulepath#$1}" "$1/usr/src/linux"
out Done.
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