Fix glibc and uClibc downloading and extracting.
Although we no longer need the kernel config file, we now need to specify the kernel source directory when installing headers.
Re-order components downloading to match build order.
Fix the saveSample.sh script in case the referenced files are the same as the destination files.
1 # This file declares functions to install the kernel headers for linux
2 # Copyright 2007 Yann E. MORIN
3 # Licensed under the GPL v2. See COPYING in the root of this package
7 if [ "${CT_KERNEL_LINUX_HEADERS_USE_CUSTOM_DIR}" != "y" ]; then
8 CT_GetFile "${CT_KERNEL_FILE}" \
9 ftp://ftp.kernel.org/pub/linux/kernel/v2.6 \
10 ftp://ftp.kernel.org/pub/linux/kernel/v2.4 \
11 ftp://ftp.kernel.org/pub/linux/kernel/v2.2 \
12 ftp://ftp.kernel.org/pub/linux/kernel/v2.6/testing \
13 http://ep09.pld-linux.org/~mmazur/linux-libc-headers
20 if [ "${CT_KERNEL_LINUX_HEADERS_USE_CUSTOM_DIR}" != "y" ]; then
21 CT_ExtractAndPatch "${CT_KERNEL_FILE}"
26 # Check kernel configuration
27 do_kernel_check_config() {
28 CT_DoStep INFO "Checking kernel configuration"
30 if [ "${CT_KERNEL_LINUX_HEADERS_USE_CUSTOM_DIR}" != "y" \
31 -a \( -z "${CT_KERNEL_LINUX_CONFIG_FILE}" -o ! -r "${CT_KERNEL_LINUX_CONFIG_FILE}" \) ]; then
32 CT_DoLog WARN "You did not provide a kernel configuration file!"
33 CT_DoLog WARN "I will try to generate one for you, but beware!"
35 CT_DoStep INFO "Building a default configuration file for linux kernel"
37 mkdir -p "${CT_BUILD_DIR}/build-kernel-defconfig"
38 cd "${CT_BUILD_DIR}/build-kernel-defconfig"
39 make -C "${CT_SRC_DIR}/${CT_KERNEL_FILE}" O=`pwd` \
40 ARCH=${CT_KERNEL_ARCH} defconfig 2>&1 |CT_DoLog DEBUG
42 CT_KERNEL_LINUX_CONFIG_FILE="`pwd`/.config"
50 # Wrapper to the actual headers install method
52 CT_DoStep INFO "Installing kernel headers"
54 # Special case when using pre-installed headers
55 if [ "${CT_KERNEL_LINUX_HEADERS_USE_CUSTOM_DIR}" = "y" ]; then
56 do_kernel_preinstalled
58 # We need to enter this directory to find the kernel version strings
59 cd "${CT_SRC_DIR}/${CT_KERNEL_FILE}"
60 if [ "${CT_KERNEL_LINUX_HEADERS_SANITISED}" != "y" ]; then
61 k_version=`awk '/^VERSION =/ { print $3 }' Makefile`
62 k_patchlevel=`awk '/^PATCHLEVEL =/ { print $3 }' Makefile`
63 k_sublevel=`awk '/^SUBLEVEL =/ { print $3 }' Makefile`
64 k_extraversion=`awk '/^EXTRAVERSION =/ { print $3 }' Makefile`
66 k_version=`echo "${CT_KERNEL_VERSION}." |cut -d . -f 1`
67 k_patchlevel=`echo "${CT_KERNEL_VERSION}." |cut -d . -f 2`
68 k_sublevel=`echo "${CT_KERNEL_VERSION}." |cut -d . -f 3`
69 k_extraversion=`echo "${CT_KERNEL_VERSION}." |cut -d . -f 4`
72 case "${k_version}.${k_patchlevel}" in
74 *) CT_Abort "Unsupported kernel version \"linux-${k_version}.${k_patchlevel}\".";;
77 # Kernel version that support verbosity will use this, others will ignore it:
78 V_OPT="V=${CT_KERNEL_LINUX_VERBOSE_LEVEL}"
80 if [ "${CT_KERNEL_LINUX_HEADERS_INSTALL}" = "y" ]; then
82 elif [ "${CT_KERNEL_LINUX_HEADERS_SANITISED}" = "y" ]; then
84 else [ "${CT_KERNEL_LINUX_HEADERS_COPY}" = "y" ];
92 # Install kernel headers using headers_install from kernel sources.
94 CT_DoLog EXTRA "Using kernel's headers_install"
96 mkdir -p "${CT_BUILD_DIR}/build-kernel-headers"
97 cd "${CT_BUILD_DIR}/build-kernel-headers"
99 case "${k_version}.${k_patchlevel}" in
100 2.6) [ ${k_sublevel} -ge 18 ] || CT_Abort "Kernel version >= 2.6.18 is needed to install kernel headers.";;
101 *) CT_Abort "Kernel version >= 2.6.18 is needed to install kernel headers.";;
104 CT_DoLog EXTRA "Installing kernel headers"
105 make -C "${CT_SRC_DIR}/${CT_KERNEL_FILE}" \
107 ARCH=${CT_KERNEL_ARCH} \
108 INSTALL_HDR_PATH="${CT_SYSROOT_DIR}/usr" \
110 headers_install 2>&1 |CT_DoLog DEBUG
112 CT_DoLog EXTRA "Checking installed headers"
113 make -C "${CT_SRC_DIR}/${CT_KERNEL_FILE}" \
115 ARCH=${CT_KERNEL_ARCH} \
116 INSTALL_HDR_PATH="${CT_SYSROOT_DIR}/usr" \
118 headers_check 2>&1 |CT_DoLog DEBUG
121 # Install kernel headers from oldish Mazur's sanitised headers.
122 do_kernel_sanitised() {
123 CT_DoLog EXTRA "Copying sanitised headers"
124 cd "${CT_SRC_DIR}/${CT_KERNEL_FILE}"
125 cp -rv include/linux "${CT_HEADERS_DIR}" 2>&1 |CT_DoLog DEBUG
126 cp -rv "include/asm-${CT_KERNEL_ARCH}" "${CT_HEADERS_DIR}/asm" 2>&1 |CT_DoLog DEBUG
129 # Install kernel headers by plain copy.
131 CT_DoLog EXTRA "Copying plain kernel headers"
132 CT_DoLog WARN "You are using plain kernel headers. You really shouldn't do that."
133 CT_DoLog WARN "You'd be better off by using installed headers (or sanitised headers)."
135 # 2.2 and 2.4 don't support building out-of-tree. 2.6 does.
136 CT_DoLog EXTRA "Preparing kernel headers"
137 case "${k_version}.${k_patchlevel}" in
138 2.2|2.4) cd "${CT_SRC_DIR}/${CT_KERNEL_FILE}"
139 cp "${CT_KERNEL_LINUX_CONFIG_FILE}" .config
140 CT_DoYes "" |make ARCH=${CT_KERNEL_ARCH} oldconfig
141 # 2.4 doesn't follow V=# for verbosity... :-(
142 make ARCH=${CT_KERNEL_ARCH} symlinks include/linux/version.h
144 2.6) mkdir -p "${CT_BUILD_DIR}/build-kernel-headers"
145 cd "${CT_BUILD_DIR}/build-kernel-headers"
146 cp "${CT_KERNEL_LINUX_CONFIG_FILE}" .config
147 CT_DoYes "" |make -C "${CT_SRC_DIR}/${CT_KERNEL_FILE}" \
148 O="`pwd`" ${V_OPT} ARCH=${CT_KERNEL_ARCH} \
150 case "${CT_KERNEL_ARCH}" in
151 sh*) # sh does secret stuff in 'make prepare' that can't be
152 # triggered separately, but happily, it doesn't use
153 # target gcc, so we can use it.
154 # Update: this fails on 2.6.11, as it installs
155 # elfconfig.h, which requires target compiler :-(
156 make ${PARALLELMFLAGS} \
157 ARCH=${CT_KERNEL_ARCH} ${V_OPT} \
158 prepare include/linux/version.h
160 arm*|cris*) make ${PARALLELMFLAGS} \
161 ARCH=${CT_KERNEL_ARCH} ${V_OPT} \
162 include/asm include/linux/version.h \
163 include/asm-${CT_KERNEL_ARCH}/.arch
165 mips*) # for linux-2.6, 'make prepare' for mips doesn't
166 # actually create any symlinks. Hope generic is ok.
167 # Note that glibc ignores all -I flags passed in CFLAGS,
168 # so you have to use -isystem.
169 make ${PARALLELMFLAGS} \
170 ARCH=${CT_KERNEL_ARCH} ${V_OPT} \
171 include/asm include/linux/version.h
172 TARGET_CFLAGS="${TARGET_CFLAGS} -isystem ${LINUX_HEADER_DIR}/include/asm-mips/mach-generic"
174 *) make ${PARALLELMFLAGS} \
175 ARCH=${CT_KERNEL_ARCH} ${V_OPT} \
176 include/asm include/linux/version.h
180 esac 2>&1 |CT_DoLog DEBUG
182 CT_DoLog EXTRA "Copying kernel headers"
183 cp -rv include/asm-generic "${CT_HEADERS_DIR}/asm-generic" 2>&1 |CT_DoLog DEBUG
184 cp -rv include/linux "${CT_HEADERS_DIR}" 2>&1 |CT_DoLog DEBUG
185 cp -rv include/asm-${CT_KERNEL_ARCH} "${CT_HEADERS_DIR}/asm" 2>&1 |CT_DoLog DEBUG
188 # Use preinstalled headers (most probably by using make headers_install in a
189 # modified (read: customised) kernel tree). In this case, simply copy
190 # the headers in place
191 do_kernel_preinstalled() {
192 CT_DoLog EXTRA "Copying preinstalled kernel headers"
194 mkdir -p "${CT_SYSROOT_DIR}/usr"
195 cd "${CT_KERNEL_LINUX_HEADERS_CUSTOM_DIR}"
196 cp -rv include "${CT_SYSROOT_DIR}/usr" 2>&1 |CT_DoLog DEBUG