Try to further fix using of the build and/or host tools for binutils to build properly.
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
5 # Check kernel configuration
6 do_kernel_check_config() {
7 CT_DoStep INFO "Checking kernel configuration"
9 if [ "${CT_KERNEL_LINUX_HEADERS_USE_CUSTOM_DIR}" != "y" ]; then
10 CT_TestOrAbort "You did not provide a kernel config file!" -n "${CT_KERNEL_LINUX_CONFIG_FILE}" -a -f "${CT_KERNEL_LINUX_CONFIG_FILE}"
16 # Wrapper to the actual headers install method
18 CT_DoStep INFO "Installing kernel headers"
20 # Special case when using pre-installed headers
21 if [ "${CT_KERNEL_LINUX_HEADERS_USE_CUSTOM_DIR}" = "y" ]; then
22 do_kernel_preinstalled
24 # We need to enter this directory to find the kernel version strings
25 cd "${CT_SRC_DIR}/${CT_KERNEL_FILE}"
26 if [ "${CT_KERNEL_LINUX_HEADERS_SANITISED}" != "y" ]; then
27 k_version=`awk '/^VERSION =/ { print $3 }' Makefile`
28 k_patchlevel=`awk '/^PATCHLEVEL =/ { print $3 }' Makefile`
29 k_sublevel=`awk '/^SUBLEVEL =/ { print $3 }' Makefile`
30 k_extraversion=`awk '/^EXTRAVERSION =/ { print $3 }' Makefile`
32 k_version=`echo "${CT_KERNEL_VERSION}." |cut -d . -f 1`
33 k_patchlevel=`echo "${CT_KERNEL_VERSION}." |cut -d . -f 2`
34 k_sublevel=`echo "${CT_KERNEL_VERSION}." |cut -d . -f 3`
35 k_extraversion=`echo "${CT_KERNEL_VERSION}." |cut -d . -f 4`
38 case "${k_version}.${k_patchlevel}" in
40 *) CT_Abort "Unsupported kernel version \"linux-${k_version}.${k_patchlevel}\".";;
43 # Kernel version that support verbosity will use this, others will ignore it:
44 V_OPT="V=${CT_KERNEL_LINUX_VERBOSE_LEVEL}"
46 if [ "${CT_KERNEL_LINUX_HEADERS_INSTALL}" = "y" ]; then
48 elif [ "${CT_KERNEL_LINUX_HEADERS_SANITISED}" = "y" ]; then
50 else [ "${CT_KERNEL_LINUX_HEADERS_COPY}" = "y" ];
58 # Install kernel headers using headers_install from kernel sources.
60 CT_DoLog EXTRA "Using kernel's headers_install"
62 mkdir -p "${CT_BUILD_DIR}/build-kernel-headers"
63 cd "${CT_BUILD_DIR}/build-kernel-headers"
65 case "${k_version}.${k_patchlevel}" in
66 2.6) [ ${k_sublevel} -ge 18 ] || CT_Abort "Kernel version >= 2.6.18 is needed to install kernel headers.";;
67 *) CT_Abort "Kernel version >= 2.6.18 is needed to install kernel headers.";;
70 CT_DoLog EXTRA "Configuring kernel headers"
71 cp "${CT_KERNEL_LINUX_CONFIG_FILE}" .config
72 CT_DoYes "" |make -C "${CT_SRC_DIR}/${CT_KERNEL_FILE}" \
73 O="${CT_BUILD_DIR}/build-kernel-headers" \
75 ARCH=${CT_KERNEL_ARCH} oldconfig 2>&1 |CT_DoLog DEBUG
77 CT_DoLog EXTRA "Installing kernel headers"
78 make ARCH=${CT_KERNEL_ARCH} \
79 INSTALL_HDR_PATH="${CT_SYSROOT_DIR}/usr" \
81 headers_install 2>&1 |CT_DoLog DEBUG
83 CT_DoLog EXTRA "Checking installed headers"
84 make ARCH=${CT_KERNEL_ARCH} \
85 INSTALL_HDR_PATH="${CT_SYSROOT_DIR}/usr" \
87 headers_check 2>&1 |CT_DoLog DEBUG
90 # Install kernel headers from oldish Mazur's sanitised headers.
91 do_kernel_sanitised() {
92 CT_DoLog EXTRA "Copying sanitised headers"
93 cd "${CT_SRC_DIR}/${CT_KERNEL_FILE}"
94 cp -rv include/linux "${CT_HEADERS_DIR}" 2>&1 |CT_DoLog DEBUG
95 cp -rv "include/asm-${CT_KERNEL_ARCH}" "${CT_HEADERS_DIR}/asm" 2>&1 |CT_DoLog DEBUG
98 # Install kernel headers by plain copy.
100 CT_DoLog EXTRA "Copying plain kernel headers"
101 CT_DoLog WARN "You are using plain kernel headers. You really shouldn't do that."
102 CT_DoLog WARN "You'd be better off by using installed headers (or sanitised headers)."
104 # 2.2 and 2.4 don't support building out-of-tree. 2.6 does.
105 CT_DoLog EXTRA "Preparing kernel headers"
106 case "${k_version}.${k_patchlevel}" in
107 2.2|2.4) cd "${CT_SRC_DIR}/${CT_KERNEL_FILE}"
108 cp "${CT_KERNEL_LINUX_CONFIG_FILE}" .config
109 CT_DoYes "" |make ARCH=${CT_KERNEL_ARCH} oldconfig
110 # 2.4 doesn't follow V=# for verbosity... :-(
111 make ARCH=${CT_KERNEL_ARCH} symlinks include/linux/version.h
113 2.6) mkdir -p "${CT_BUILD_DIR}/build-kernel-headers"
114 cd "${CT_BUILD_DIR}/build-kernel-headers"
115 cp "${CT_KERNEL_LINUX_CONFIG_FILE}" .config
116 CT_DoYes "" |make -C "${CT_SRC_DIR}/${CT_KERNEL_FILE}" \
117 O="`pwd`" ${V_OPT} ARCH=${CT_KERNEL_ARCH} \
119 case "${CT_KERNEL_ARCH}" in
120 sh*) # sh does secret stuff in 'make prepare' that can't be
121 # triggered separately, but happily, it doesn't use
122 # target gcc, so we can use it.
123 # Update: this fails on 2.6.11, as it installs
124 # elfconfig.h, which requires target compiler :-(
125 make ${PARALLELMFLAGS} \
126 ARCH=${CT_KERNEL_ARCH} ${V_OPT} \
127 prepare include/linux/version.h
129 arm*|cris*) make ${PARALLELMFLAGS} \
130 ARCH=${CT_KERNEL_ARCH} ${V_OPT} \
131 include/asm include/linux/version.h \
132 include/asm-${CT_KERNEL_ARCH}/.arch
134 mips*) # for linux-2.6, 'make prepare' for mips doesn't
135 # actually create any symlinks. Hope generic is ok.
136 # Note that glibc ignores all -I flags passed in CFLAGS,
137 # so you have to use -isystem.
138 make ${PARALLELMFLAGS} \
139 ARCH=${CT_KERNEL_ARCH} ${V_OPT} \
140 include/asm include/linux/version.h
141 TARGET_CFLAGS="${TARGET_CFLAGS} -isystem ${LINUX_HEADER_DIR}/include/asm-mips/mach-generic"
143 *) make ${PARALLELMFLAGS} \
144 ARCH=${CT_KERNEL_ARCH} ${V_OPT} \
145 include/asm include/linux/version.h
149 esac 2>&1 |CT_DoLog DEBUG
151 CT_DoLog EXTRA "Copying kernel headers"
152 cp -rv include/asm-generic "${CT_HEADERS_DIR}/asm-generic" 2>&1 |CT_DoLog DEBUG
153 cp -rv include/linux "${CT_HEADERS_DIR}" 2>&1 |CT_DoLog DEBUG
154 cp -rv include/asm-${CT_KERNEL_ARCH} "${CT_HEADERS_DIR}/asm" 2>&1 |CT_DoLog DEBUG
157 # Use preinstalled headers (most probably by using make headers_install in a
158 # modified (read: customised) kernel tree). In this case, simply copy
159 # the headers in place
160 do_kernel_preinstalled() {
161 CT_DoLog EXTRA "Copying preinstalled kernel headers"
163 mkdir -p "${CT_SYSROOT_DIR}/usr"
164 cd "${CT_KERNEL_LINUX_HEADERS_CUSTOM_DIR}"
165 cp -rv include "${CT_SYSROOT_DIR}/usr" 2>&1 |CT_DoLog DEBUG