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1#!/bin/sh
2#
3# builddeb 1.3
4# Copyright 2003 Wichert Akkerman <wichert@wiggy.net>
5#
6# Simple script to generate a deb package for a Linux kernel. All the
7# complexity of what to do with a kernel after it is installed or removed
8# is left to other scripts and packages: they can install scripts in the
9# /etc/kernel/{pre,post}{inst,rm}.d/ directories (or an alternative location
10# specified in KDEB_HOOKDIR) that will be called on package install and
11# removal.
12
13set -e
14
15is_enabled() {
16 grep -q "^$1=y" include/config/auto.conf
17}
18
19if_enabled_echo() {
20 if is_enabled "$1"; then
21 echo -n "$2"
22 elif [ $# -ge 3 ]; then
23 echo -n "$3"
24 fi
25}
26
27install_linux_image () {
28 pname=$1
29 pdir=debian/$1
30
31 # Only some architectures with OF support have this target
32 if is_enabled CONFIG_OF_EARLY_FLATTREE && [ -d "${srctree}/arch/${SRCARCH}/boot/dts" ]; then
33 ${MAKE} -f ${srctree}/Makefile INSTALL_DTBS_PATH="${pdir}/usr/lib/linux-image-${KERNELRELEASE}" dtbs_install
34 fi
35
36 ${MAKE} -f ${srctree}/Makefile INSTALL_MOD_PATH="${pdir}" INSTALL_MOD_STRIP=1 modules_install
37 rm -f "${pdir}/lib/modules/${KERNELRELEASE}/build"
38
39 # Install the kernel
40 if [ "${ARCH}" = um ] ; then
41 mkdir -p "${pdir}/usr/lib/uml/modules"
42 mv "${pdir}/lib/modules/${KERNELRELEASE}" "${pdir}/usr/lib/uml/modules/${KERNELRELEASE}"
43 mkdir -p "${pdir}/usr/bin" "${pdir}/usr/share/doc/${pname}"
44 cp System.map "${pdir}/usr/lib/uml/modules/${KERNELRELEASE}/System.map"
45 cp ${KCONFIG_CONFIG} "${pdir}/usr/share/doc/${pname}/config"
46 gzip "${pdir}/usr/share/doc/${pname}/config"
47 else
48 mkdir -p "${pdir}/boot"
49 cp System.map "${pdir}/boot/System.map-${KERNELRELEASE}"
50 cp ${KCONFIG_CONFIG} "${pdir}/boot/config-${KERNELRELEASE}"
51 fi
52
53 # Not all arches have the same installed path in debian
54 # XXX: have each arch Makefile export a variable of the canonical image install
55 # path instead
56 case "${SRCARCH}" in
57 um)
58 installed_image_path="usr/bin/linux-${KERNELRELEASE}";;
59 parisc|mips|powerpc)
60 installed_image_path="boot/vmlinux-${KERNELRELEASE}";;
61 *)
62 installed_image_path="boot/vmlinuz-${KERNELRELEASE}";;
63 esac
64 cp "$(${MAKE} -s -f ${srctree}/Makefile image_name)" "${pdir}/${installed_image_path}"
65
66 # Install the maintainer scripts
67 # Note: hook scripts under /etc/kernel are also executed by official Debian
68 # kernel packages, as well as kernel packages built using make-kpkg.
69 # make-kpkg sets $INITRD to indicate whether an initramfs is wanted, and
70 # so do we; recent versions of dracut and initramfs-tools will obey this.
71 debhookdir=${KDEB_HOOKDIR:-/etc/kernel}
72 for script in postinst postrm preinst prerm; do
73 mkdir -p "${pdir}${debhookdir}/${script}.d"
74
75 mkdir -p "${pdir}/DEBIAN"
76 cat <<-EOF > "${pdir}/DEBIAN/${script}"
77
78 #!/bin/sh
79
80 set -e
81
82 # Pass maintainer script parameters to hook scripts
83 export DEB_MAINT_PARAMS="\$*"
84
85 # Tell initramfs builder whether it's wanted
86 export INITRD=$(if_enabled_echo CONFIG_BLK_DEV_INITRD Yes No)
87
88 test -d ${debhookdir}/${script}.d && run-parts --arg="${KERNELRELEASE}" --arg="/${installed_image_path}" ${debhookdir}/${script}.d
89 exit 0
90 EOF
91 chmod 755 "${pdir}/DEBIAN/${script}"
92 done
93}
94
95install_linux_image_dbg () {
96 pdir=debian/$1
97
98 # Parse modules.order directly because 'make modules_install' may sign,
99 # compress modules, and then run unneeded depmod.
100 while read -r mod; do
101 mod="${mod%.o}.ko"
102 dbg="${pdir}/usr/lib/debug/lib/modules/${KERNELRELEASE}/kernel/${mod}"
103 buildid=$("${READELF}" -n "${mod}" | sed -n 's@^.*Build ID: \(..\)\(.*\)@\1/\2@p')
104 link="${pdir}/usr/lib/debug/.build-id/${buildid}.debug"
105
106 mkdir -p "${dbg%/*}" "${link%/*}"
107 "${OBJCOPY}" --only-keep-debug "${mod}" "${dbg}"
108 ln -sf --relative "${dbg}" "${link}"
109 done < modules.order
110
111 # Build debug package
112 # Different tools want the image in different locations
113 # perf
114 mkdir -p ${pdir}/usr/lib/debug/lib/modules/${KERNELRELEASE}/
115 cp vmlinux ${pdir}/usr/lib/debug/lib/modules/${KERNELRELEASE}/
116 # systemtap
117 mkdir -p ${pdir}/usr/lib/debug/boot/
118 ln -s ../lib/modules/${KERNELRELEASE}/vmlinux ${pdir}/usr/lib/debug/boot/vmlinux-${KERNELRELEASE}
119 # kdump-tools
120 ln -s lib/modules/${KERNELRELEASE}/vmlinux ${pdir}/usr/lib/debug/vmlinux-${KERNELRELEASE}
121}
122
123install_kernel_headers () {
124 pdir=debian/$1
125 version=${1#linux-headers-}
126
127 "${srctree}/scripts/package/install-extmod-build" "${pdir}/usr/src/linux-headers-${version}"
128
129 mkdir -p $pdir/lib/modules/$version/
130 ln -s /usr/src/linux-headers-$version $pdir/lib/modules/$version/build
131}
132
133install_libc_headers () {
134 pdir=debian/$1
135
136 $MAKE -f $srctree/Makefile headers_install INSTALL_HDR_PATH=$pdir/usr
137
138 # move asm headers to /usr/include/<libc-machine>/asm to match the structure
139 # used by Debian-based distros (to support multi-arch)
140 mkdir "$pdir/usr/include/${DEB_HOST_MULTIARCH}"
141 mv "$pdir/usr/include/asm" "$pdir/usr/include/${DEB_HOST_MULTIARCH}"
142}
143
144package=$1
145
146case "${package}" in
147*-dbg)
148 install_linux_image_dbg "${package}";;
149linux-image-*|user-mode-linux-*)
150 install_linux_image "${package}";;
151linux-libc-dev)
152 install_libc_headers "${package}";;
153linux-headers-*)
154 install_kernel_headers "${package}";;
155esac
1#!/bin/sh
2#
3# builddeb 1.3
4# Copyright 2003 Wichert Akkerman <wichert@wiggy.net>
5#
6# Simple script to generate a deb package for a Linux kernel. All the
7# complexity of what to do with a kernel after it is installed or removed
8# is left to other scripts and packages: they can install scripts in the
9# /etc/kernel/{pre,post}{inst,rm}.d/ directories (or an alternative location
10# specified in KDEB_HOOKDIR) that will be called on package install and
11# removal.
12
13set -eu
14
15is_enabled() {
16 grep -q "^$1=y" include/config/auto.conf
17}
18
19if_enabled_echo() {
20 if is_enabled "$1"; then
21 echo -n "$2"
22 elif [ $# -ge 3 ]; then
23 echo -n "$3"
24 fi
25}
26
27install_linux_image () {
28 pname=$1
29 pdir=debian/$1
30
31 # Only some architectures with OF support have this target
32 if is_enabled CONFIG_OF_EARLY_FLATTREE && [ -d "${srctree}/arch/${SRCARCH}/boot/dts" ]; then
33 ${MAKE} -f ${srctree}/Makefile INSTALL_DTBS_PATH="${pdir}/usr/lib/linux-image-${KERNELRELEASE}" dtbs_install
34 fi
35
36 ${MAKE} -f ${srctree}/Makefile INSTALL_MOD_PATH="${pdir}" INSTALL_MOD_STRIP=1 modules_install
37 rm -f "${pdir}/lib/modules/${KERNELRELEASE}/build"
38
39 # Install the kernel
40 if [ "${ARCH}" = um ] ; then
41 mkdir -p "${pdir}/usr/lib/uml/modules"
42 mv "${pdir}/lib/modules/${KERNELRELEASE}" "${pdir}/usr/lib/uml/modules/${KERNELRELEASE}"
43 mkdir -p "${pdir}/usr/bin" "${pdir}/usr/share/doc/${pname}"
44 cp System.map "${pdir}/usr/lib/uml/modules/${KERNELRELEASE}/System.map"
45 cp ${KCONFIG_CONFIG} "${pdir}/usr/share/doc/${pname}/config"
46 gzip "${pdir}/usr/share/doc/${pname}/config"
47 else
48 mkdir -p "${pdir}/boot"
49 cp System.map "${pdir}/boot/System.map-${KERNELRELEASE}"
50 cp ${KCONFIG_CONFIG} "${pdir}/boot/config-${KERNELRELEASE}"
51 fi
52
53 # Not all arches have the same installed path in debian
54 # XXX: have each arch Makefile export a variable of the canonical image install
55 # path instead
56 case "${SRCARCH}" in
57 um)
58 installed_image_path="usr/bin/linux-${KERNELRELEASE}";;
59 parisc|mips|powerpc)
60 installed_image_path="boot/vmlinux-${KERNELRELEASE}";;
61 *)
62 installed_image_path="boot/vmlinuz-${KERNELRELEASE}";;
63 esac
64 cp "$(${MAKE} -s -f ${srctree}/Makefile image_name)" "${pdir}/${installed_image_path}"
65
66 if [ "${ARCH}" != um ]; then
67 install_maint_scripts "${pdir}"
68 fi
69}
70
71install_maint_scripts () {
72 # Install the maintainer scripts
73 # Note: hook scripts under /etc/kernel are also executed by official Debian
74 # kernel packages, as well as kernel packages built using make-kpkg.
75 # make-kpkg sets $INITRD to indicate whether an initramfs is wanted, and
76 # so do we; recent versions of dracut and initramfs-tools will obey this.
77 debhookdir=${KDEB_HOOKDIR:-/etc/kernel}
78 for script in postinst postrm preinst prerm; do
79 mkdir -p "${pdir}${debhookdir}/${script}.d"
80
81 mkdir -p "${pdir}/DEBIAN"
82 cat <<-EOF > "${pdir}/DEBIAN/${script}"
83 #!/bin/sh
84
85 set -e
86
87 # Pass maintainer script parameters to hook scripts
88 export DEB_MAINT_PARAMS="\$*"
89
90 # Tell initramfs builder whether it's wanted
91 export INITRD=$(if_enabled_echo CONFIG_BLK_DEV_INITRD Yes No)
92
93 test -d ${debhookdir}/${script}.d && run-parts --arg="${KERNELRELEASE}" --arg="/${installed_image_path}" ${debhookdir}/${script}.d
94 exit 0
95 EOF
96 chmod 755 "${pdir}/DEBIAN/${script}"
97 done
98}
99
100install_linux_image_dbg () {
101 pdir=debian/$1
102
103 # Parse modules.order directly because 'make modules_install' may sign,
104 # compress modules, and then run unneeded depmod.
105 if is_enabled CONFIG_MODULES; then
106 while read -r mod; do
107 mod="${mod%.o}.ko"
108 dbg="${pdir}/usr/lib/debug/lib/modules/${KERNELRELEASE}/kernel/${mod}"
109 buildid=$("${READELF}" -n "${mod}" | sed -n 's@^.*Build ID: \(..\)\(.*\)@\1/\2@p')
110 link="${pdir}/usr/lib/debug/.build-id/${buildid}.debug"
111
112 mkdir -p "${dbg%/*}" "${link%/*}"
113 "${OBJCOPY}" --only-keep-debug "${mod}" "${dbg}"
114 ln -sf --relative "${dbg}" "${link}"
115 done < modules.order
116 fi
117
118 # Build debug package
119 # Different tools want the image in different locations
120 # perf
121 mkdir -p ${pdir}/usr/lib/debug/lib/modules/${KERNELRELEASE}/
122 cp vmlinux ${pdir}/usr/lib/debug/lib/modules/${KERNELRELEASE}/
123 # systemtap
124 mkdir -p ${pdir}/usr/lib/debug/boot/
125 ln -s ../lib/modules/${KERNELRELEASE}/vmlinux ${pdir}/usr/lib/debug/boot/vmlinux-${KERNELRELEASE}
126 # kdump-tools
127 ln -s lib/modules/${KERNELRELEASE}/vmlinux ${pdir}/usr/lib/debug/vmlinux-${KERNELRELEASE}
128}
129
130install_kernel_headers () {
131 pdir=debian/$1
132 version=${1#linux-headers-}
133
134 CC="${DEB_HOST_GNU_TYPE}-gcc" "${srctree}/scripts/package/install-extmod-build" "${pdir}/usr/src/linux-headers-${version}"
135
136 mkdir -p $pdir/lib/modules/$version/
137 ln -s /usr/src/linux-headers-$version $pdir/lib/modules/$version/build
138}
139
140install_libc_headers () {
141 pdir=debian/$1
142
143 $MAKE -f $srctree/Makefile headers_install INSTALL_HDR_PATH=$pdir/usr
144
145 # move asm headers to /usr/include/<libc-machine>/asm to match the structure
146 # used by Debian-based distros (to support multi-arch)
147 mkdir "$pdir/usr/include/${DEB_HOST_MULTIARCH}"
148 mv "$pdir/usr/include/asm" "$pdir/usr/include/${DEB_HOST_MULTIARCH}"
149}
150
151package=$1
152
153case "${package}" in
154*-dbg)
155 install_linux_image_dbg "${package}";;
156linux-image-*|user-mode-linux-*)
157 install_linux_image "${package}";;
158linux-libc-dev)
159 install_libc_headers "${package}";;
160linux-headers-*)
161 install_kernel_headers "${package}";;
162esac