mirror of
https://github.com/crosstool-ng/crosstool-ng.git
synced 2024-12-30 09:38:52 +00:00
210 lines
9.3 KiB
Bash
210 lines
9.3 KiB
Bash
# This file declares functions to install the kernel headers for linux
|
|
# Copyright 2007 Yann E. MORIN
|
|
# Licensed under the GPL v2. See COPYING in the root of this package
|
|
|
|
do_print_filename() {
|
|
[ "${CT_KERNEL}" = "linux" ] || return 0
|
|
case "${CT_KERNEL_LINUX_HEADERS_SANITISED}" in
|
|
y) echo "linux-libc-headers-${CT_KERNEL_VERSION}";;
|
|
*) echo "linux-${CT_KERNEL_VERSION}";;
|
|
esac
|
|
}
|
|
|
|
# Download the kernel
|
|
do_kernel_get() {
|
|
if [ "${CT_KERNEL_LINUX_HEADERS_USE_CUSTOM_DIR}" != "y" ]; then
|
|
CT_GetFile "${CT_KERNEL_FILE}" \
|
|
ftp://ftp.kernel.org/pub/linux/kernel/v2.6 \
|
|
ftp://ftp.kernel.org/pub/linux/kernel/v2.4 \
|
|
ftp://ftp.kernel.org/pub/linux/kernel/v2.2 \
|
|
ftp://ftp.kernel.org/pub/linux/kernel/v2.6/testing \
|
|
http://ep09.pld-linux.org/~mmazur/linux-libc-headers
|
|
fi
|
|
return 0
|
|
}
|
|
|
|
# Extract kernel
|
|
do_kernel_extract() {
|
|
if [ "${CT_KERNEL_LINUX_HEADERS_USE_CUSTOM_DIR}" != "y" ]; then
|
|
CT_ExtractAndPatch "${CT_KERNEL_FILE}"
|
|
fi
|
|
return 0
|
|
}
|
|
|
|
# Check kernel configuration
|
|
do_kernel_check_config() {
|
|
# Only the copied or sanitised headers need a config file.
|
|
# Pre-existing headers as well as headers_install don't.
|
|
if [ "${CT_KERNEL_LINUX_NEEDS_CONFIG}" = "y" \
|
|
-a \( -z "${CT_KERNEL_LINUX_CONFIG_FILE}" \
|
|
-o ! -r "${CT_KERNEL_LINUX_CONFIG_FILE}" \
|
|
\) \
|
|
]; then
|
|
CT_DoLog WARN "You did not provide a kernel configuration file!"
|
|
CT_DoLog WARN "I will try to generate one for you, but beware!"
|
|
|
|
CT_DoStep INFO "Building a default configuration file for linux kernel"
|
|
|
|
mkdir -p "${CT_BUILD_DIR}/build-kernel-defconfig"
|
|
cd "${CT_BUILD_DIR}/build-kernel-defconfig"
|
|
make -C "${CT_SRC_DIR}/${CT_KERNEL_FILE}" O=`pwd` \
|
|
ARCH=${CT_KERNEL_ARCH} defconfig 2>&1 |CT_DoLog ALL
|
|
|
|
CT_KERNEL_LINUX_CONFIG_FILE="`pwd`/.config"
|
|
|
|
CT_EndStep
|
|
fi
|
|
}
|
|
|
|
# Wrapper to the actual headers install method
|
|
do_kernel_headers() {
|
|
CT_DoStep INFO "Installing kernel headers"
|
|
|
|
# Special case when using pre-installed headers
|
|
if [ "${CT_KERNEL_LINUX_HEADERS_USE_CUSTOM_DIR}" = "y" ]; then
|
|
do_kernel_preinstalled
|
|
else
|
|
# We need to enter this directory to find the kernel version strings
|
|
cd "${CT_SRC_DIR}/${CT_KERNEL_FILE}"
|
|
if [ "${CT_KERNEL_LINUX_HEADERS_SANITISED}" != "y" ]; then
|
|
k_version=`awk '/^VERSION =/ { print $3 }' Makefile`
|
|
k_patchlevel=`awk '/^PATCHLEVEL =/ { print $3 }' Makefile`
|
|
k_sublevel=`awk '/^SUBLEVEL =/ { print $3 }' Makefile`
|
|
k_extraversion=`awk '/^EXTRAVERSION =/ { print $3 }' Makefile`
|
|
else
|
|
k_version=`echo "${CT_KERNEL_VERSION}." |cut -d . -f 1`
|
|
k_patchlevel=`echo "${CT_KERNEL_VERSION}." |cut -d . -f 2`
|
|
k_sublevel=`echo "${CT_KERNEL_VERSION}." |cut -d . -f 3`
|
|
k_extraversion=`echo "${CT_KERNEL_VERSION}." |cut -d . -f 4`
|
|
fi
|
|
|
|
case "${k_version}.${k_patchlevel}" in
|
|
2.2|2.4|2.6) ;;
|
|
*) CT_Abort "Unsupported kernel version \"linux-${k_version}.${k_patchlevel}\".";;
|
|
esac
|
|
|
|
# Kernel version that support verbosity will use this, others will ignore it:
|
|
V_OPT="V=${CT_KERNEL_LINUX_VERBOSE_LEVEL}"
|
|
|
|
if [ "${CT_KERNEL_LINUX_HEADERS_INSTALL}" = "y" ]; then
|
|
do_kernel_install
|
|
elif [ "${CT_KERNEL_LINUX_HEADERS_SANITISED}" = "y" ]; then
|
|
do_kernel_sanitised
|
|
else [ "${CT_KERNEL_LINUX_HEADERS_COPY}" = "y" ];
|
|
do_kernel_copy
|
|
fi
|
|
fi
|
|
|
|
CT_EndStep
|
|
}
|
|
|
|
# Install kernel headers using headers_install from kernel sources.
|
|
do_kernel_install() {
|
|
CT_DoLog DEBUG "Using kernel's headers_install"
|
|
|
|
mkdir -p "${CT_BUILD_DIR}/build-kernel-headers"
|
|
cd "${CT_BUILD_DIR}/build-kernel-headers"
|
|
|
|
case "${k_version}.${k_patchlevel}" in
|
|
2.6) [ ${k_sublevel} -ge 18 ] || CT_Abort "Kernel version >= 2.6.18 is needed to install kernel headers.";;
|
|
*) CT_Abort "Kernel version >= 2.6.18 is needed to install kernel headers.";;
|
|
esac
|
|
|
|
CT_DoLog EXTRA "Installing kernel headers"
|
|
make -C "${CT_SRC_DIR}/${CT_KERNEL_FILE}" \
|
|
O="`pwd`" \
|
|
ARCH=${CT_KERNEL_ARCH} \
|
|
INSTALL_HDR_PATH="${CT_SYSROOT_DIR}/usr" \
|
|
${V_OPT} \
|
|
headers_install 2>&1 |CT_DoLog ALL
|
|
|
|
if [ "${CT_KERNEL_LINUX_HEADERS_INSTALL_CHECK}" = "y" ]; then
|
|
CT_DoLog EXTRA "Checking installed headers"
|
|
make -C "${CT_SRC_DIR}/${CT_KERNEL_FILE}" \
|
|
O="`pwd`" \
|
|
ARCH=${CT_KERNEL_ARCH} \
|
|
INSTALL_HDR_PATH="${CT_SYSROOT_DIR}/usr" \
|
|
${V_OPT} \
|
|
headers_check 2>&1 |CT_DoLog ALL
|
|
find "${CT_SYSROOT_DIR}" -type f -name '.check*' -exec rm {} \;
|
|
fi
|
|
}
|
|
|
|
# Install kernel headers from oldish Mazur's sanitised headers.
|
|
do_kernel_sanitised() {
|
|
CT_DoLog EXTRA "Copying sanitised headers"
|
|
cd "${CT_SRC_DIR}/${CT_KERNEL_FILE}"
|
|
cp -rv include/linux "${CT_HEADERS_DIR}" 2>&1 |CT_DoLog ALL
|
|
cp -rv "include/asm-${CT_KERNEL_ARCH}" "${CT_HEADERS_DIR}/asm" 2>&1 |CT_DoLog ALL
|
|
}
|
|
|
|
# Install kernel headers by plain copy.
|
|
do_kernel_copy() {
|
|
CT_DoLog DEBUG "Copying plain kernel headers"
|
|
CT_DoLog WARN "You are using plain kernel headers. You really shouldn't do that."
|
|
CT_DoLog WARN "You'd be better off by using installed headers (or sanitised headers)."
|
|
|
|
# 2.2 and 2.4 don't support building out-of-tree. 2.6 does.
|
|
CT_DoLog EXTRA "Preparing kernel headers"
|
|
case "${k_version}.${k_patchlevel}" in
|
|
2.2|2.4) cd "${CT_SRC_DIR}/${CT_KERNEL_FILE}"
|
|
cp "${CT_KERNEL_LINUX_CONFIG_FILE}" .config
|
|
CT_DoYes "" |make ARCH=${CT_KERNEL_ARCH} oldconfig
|
|
# 2.4 doesn't follow V=# for verbosity... :-(
|
|
make ARCH=${CT_KERNEL_ARCH} symlinks include/linux/version.h
|
|
;;
|
|
2.6) mkdir -p "${CT_BUILD_DIR}/build-kernel-headers"
|
|
cd "${CT_BUILD_DIR}/build-kernel-headers"
|
|
cp "${CT_KERNEL_LINUX_CONFIG_FILE}" .config
|
|
CT_DoYes "" |make -C "${CT_SRC_DIR}/${CT_KERNEL_FILE}" \
|
|
O="`pwd`" ${V_OPT} ARCH=${CT_KERNEL_ARCH} \
|
|
oldconfig
|
|
case "${CT_KERNEL_ARCH}" in
|
|
sh*) # sh does secret stuff in 'make prepare' that can't be
|
|
# triggered separately, but happily, it doesn't use
|
|
# target gcc, so we can use it.
|
|
# Update: this fails on 2.6.11, as it installs
|
|
# elfconfig.h, which requires target compiler :-(
|
|
make ${PARALLELMFLAGS} \
|
|
ARCH=${CT_KERNEL_ARCH} ${V_OPT} \
|
|
prepare include/linux/version.h
|
|
;;
|
|
arm*|cris*) make ${PARALLELMFLAGS} \
|
|
ARCH=${CT_KERNEL_ARCH} ${V_OPT} \
|
|
include/asm include/linux/version.h \
|
|
include/asm-${CT_KERNEL_ARCH}/.arch
|
|
;;
|
|
mips*) # for linux-2.6, 'make prepare' for mips doesn't
|
|
# actually create any symlinks. Hope generic is ok.
|
|
# Note that glibc ignores all -I flags passed in CFLAGS,
|
|
# so you have to use -isystem.
|
|
make ${PARALLELMFLAGS} \
|
|
ARCH=${CT_KERNEL_ARCH} ${V_OPT} \
|
|
include/asm include/linux/version.h
|
|
TARGET_CFLAGS="${TARGET_CFLAGS} -isystem ${LINUX_HEADER_DIR}/include/asm-mips/mach-generic"
|
|
;;
|
|
*) make ${PARALLELMFLAGS} \
|
|
ARCH=${CT_KERNEL_ARCH} ${V_OPT} \
|
|
include/asm include/linux/version.h
|
|
;;
|
|
esac
|
|
;;
|
|
esac 2>&1 |CT_DoLog ALL
|
|
|
|
CT_DoLog EXTRA "Copying kernel headers"
|
|
cp -rv include/asm-generic "${CT_HEADERS_DIR}/asm-generic" 2>&1 |CT_DoLog ALL
|
|
cp -rv include/linux "${CT_HEADERS_DIR}" 2>&1 |CT_DoLog ALL
|
|
cp -rv include/asm-${CT_KERNEL_ARCH} "${CT_HEADERS_DIR}/asm" 2>&1 |CT_DoLog ALL
|
|
}
|
|
|
|
# Use preinstalled headers (most probably by using make headers_install in a
|
|
# modified (read: customised) kernel tree). In this case, simply copy
|
|
# the headers in place
|
|
do_kernel_preinstalled() {
|
|
CT_DoLog EXTRA "Copying preinstalled kernel headers"
|
|
|
|
mkdir -p "${CT_SYSROOT_DIR}/usr"
|
|
cd "${CT_KERNEL_LINUX_HEADERS_CUSTOM_DIR}"
|
|
cp -rv include "${CT_SYSROOT_DIR}/usr" 2>&1 |CT_DoLog ALL
|
|
}
|