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2023-12-08 01573e231f18eb2d99162747186f59511f56b64d 
 kernel/scripts/package/builddeb
....@@ -12,36 +12,104 @@
1212 
1313 set -e
1414 
15
+is_enabled() {
16
+	grep -q "^$1=y" include/config/auto.conf
17
+}
18
+
19
+if_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
+
1527 create_package() {
1628 	local pname="$1" pdir="$2"
29
+	local dpkg_deb_opts
1730 
1831 	mkdir -m 755 -p "$pdir/DEBIAN"
1932 	mkdir -p "$pdir/usr/share/doc/$pname"
2033 	cp debian/copyright "$pdir/usr/share/doc/$pname/"
2134 	cp debian/changelog "$pdir/usr/share/doc/$pname/changelog.Debian"
22
-	gzip -9 "$pdir/usr/share/doc/$pname/changelog.Debian"
35
+	gzip -n -9 "$pdir/usr/share/doc/$pname/changelog.Debian"
2336 	sh -c "cd '$pdir'; find . -type f ! -path './DEBIAN/*' -printf '%P\0' \
2437 		| xargs -r0 md5sum > DEBIAN/md5sums"
2538 
2639 	# Fix ownership and permissions
27
-	chown -R root:root "$pdir"
40
+	if [ "$DEB_RULES_REQUIRES_ROOT" = "no" ]; then
41
+		dpkg_deb_opts="--root-owner-group"
42
+	else
43
+		chown -R root:root "$pdir"
44
+	fi
2845 	chmod -R go-w "$pdir"
2946 	# in case we are in a restrictive umask environment like 0077
3047 	chmod -R a+rX "$pdir"
48
+	# in case we build in a setuid/setgid directory
49
+	chmod -R ug-s "$pdir"
3150 
3251 	# Create the package
3352 	dpkg-gencontrol -p$pname -P"$pdir"
34
-	dpkg --build "$pdir" ..
53
+	dpkg-deb $dpkg_deb_opts ${KDEB_COMPRESS:+-Z$KDEB_COMPRESS} --build "$pdir" ..
54
+}
55
+
56
+deploy_kernel_headers () {
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+	pdir=$1
58
+
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+	rm -rf $pdir
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+
61
+	(
62
+		cd $srctree
63
+		find . arch/$SRCARCH -maxdepth 1 -name Makefile\*
64
+		find include scripts -type f -o -type l
65
+		find arch/$SRCARCH -name Kbuild.platforms -o -name Platform
66
+		find $(find arch/$SRCARCH -name include -o -name scripts -type d) -type f
67
+	) > debian/hdrsrcfiles
68
+
69
+	{
70
+		if is_enabled CONFIG_STACK_VALIDATION; then
71
+			echo tools/objtool/objtool
72
+		fi
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+
74
+		find arch/$SRCARCH/include Module.symvers include scripts -type f
75
+
76
+		if is_enabled CONFIG_GCC_PLUGINS; then
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+			find scripts/gcc-plugins -name \*.so
78
+		fi
79
+	} > debian/hdrobjfiles
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+
81
+	destdir=$pdir/usr/src/linux-headers-$version
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+	mkdir -p $destdir
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+	tar -c -f - -C $srctree -T debian/hdrsrcfiles | tar -xf - -C $destdir
84
+	tar -c -f - -T debian/hdrobjfiles | tar -xf - -C $destdir
85
+	rm -f debian/hdrsrcfiles debian/hdrobjfiles
86
+
87
+	# copy .config manually to be where it's expected to be
88
+	cp $KCONFIG_CONFIG $destdir/.config
89
+
90
+	mkdir -p $pdir/lib/modules/$version/
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+	ln -s /usr/src/linux-headers-$version $pdir/lib/modules/$version/build
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+}
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+
94
+deploy_libc_headers () {
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+	pdir=$1
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+
97
+	rm -rf $pdir
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+
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+	$MAKE -f $srctree/Makefile headers
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+	$MAKE -f $srctree/Makefile headers_install INSTALL_HDR_PATH=$pdir/usr
101
+
102
+	# move asm headers to /usr/include/<libc-machine>/asm to match the structure
103
+	# used by Debian-based distros (to support multi-arch)
104
+	host_arch=$(dpkg-architecture -a$(cat debian/arch) -qDEB_HOST_MULTIARCH)
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+	mkdir $pdir/usr/include/$host_arch
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+	mv $pdir/usr/include/asm $pdir/usr/include/$host_arch/
35107 }
36108 
37109 version=$KERNELRELEASE
38
-tmpdir="$objtree/debian/tmp"
39
-kernel_headers_dir="$objtree/debian/hdrtmp"
40
-libc_headers_dir="$objtree/debian/headertmp"
41
-dbg_dir="$objtree/debian/dbgtmp"
110
+tmpdir=debian/linux-image
111
+dbg_dir=debian/linux-image-dbg
42112 packagename=linux-image-$version
43
-kernel_headers_packagename=linux-headers-$version
44
-libc_headers_packagename=linux-libc-dev
45113 dbg_packagename=$packagename-dbg
46114 
47115 if [ "$ARCH" = "um" ] ; then
....@@ -62,18 +130,16 @@
62130 	installed_image_path="boot/vmlinuz-$version"
63131 esac
64132 
65
-BUILD_DEBUG="$(grep -s '^CONFIG_DEBUG_INFO=y' $KCONFIG_CONFIG || true)"
133
+BUILD_DEBUG=$(if_enabled_echo CONFIG_DEBUG_INFO Yes)
66134 
67135 # Setup the directory structure
68
-rm -rf "$tmpdir" "$kernel_headers_dir" "$libc_headers_dir" "$dbg_dir" $objtree/debian/files
136
+rm -rf "$tmpdir" "$dbg_dir" debian/files
69137 mkdir -m 755 -p "$tmpdir/DEBIAN"
70138 mkdir -p "$tmpdir/lib" "$tmpdir/boot"
71
-mkdir -p "$kernel_headers_dir/lib/modules/$version/"
72139 
73
-# Build and install the kernel
140
+# Install the kernel
74141 if [ "$ARCH" = "um" ] ; then
75142 	mkdir -p "$tmpdir/usr/lib/uml/modules/$version" "$tmpdir/usr/bin" "$tmpdir/usr/share/doc/$packagename"
76
-	$MAKE linux
77143 	cp System.map "$tmpdir/usr/lib/uml/modules/$version/System.map"
78144 	cp $KCONFIG_CONFIG "$tmpdir/usr/share/doc/$packagename/config"
79145 	gzip "$tmpdir/usr/share/doc/$packagename/config"
....@@ -83,15 +149,15 @@
83149 fi
84150 cp "$($MAKE -s -f $srctree/Makefile image_name)" "$tmpdir/$installed_image_path"
85151 
86
-if grep -q "^CONFIG_OF=y" $KCONFIG_CONFIG ; then
152
+if is_enabled CONFIG_OF_EARLY_FLATTREE; then
87153 	# Only some architectures with OF support have this target
88
-	if grep -q dtbs_install "${srctree}/arch/$SRCARCH/Makefile"; then
89
-		$MAKE KBUILD_SRC= INSTALL_DTBS_PATH="$tmpdir/usr/lib/$packagename" dtbs_install
154
+	if [ -d "${srctree}/arch/$SRCARCH/boot/dts" ]; then
155
+		$MAKE -f $srctree/Makefile INSTALL_DTBS_PATH="$tmpdir/usr/lib/$packagename" dtbs_install
90156 	fi
91157 fi
92158 
93
-if grep -q '^CONFIG_MODULES=y' $KCONFIG_CONFIG ; then
94
-	INSTALL_MOD_PATH="$tmpdir" $MAKE KBUILD_SRC= modules_install
159
+if is_enabled CONFIG_MODULES; then
160
+	INSTALL_MOD_PATH="$tmpdir" $MAKE -f $srctree/Makefile modules_install
95161 	rm -f "$tmpdir/lib/modules/$version/build"
96162 	rm -f "$tmpdir/lib/modules/$version/source"
97163 	if [ "$ARCH" = "um" ] ; then
....@@ -111,16 +177,10 @@
111177 		done
112178 
113179 		# resign stripped modules
114
-		MODULE_SIG_ALL="$(grep -s '^CONFIG_MODULE_SIG_ALL=y' $KCONFIG_CONFIG || true)"
115
-		if [ -n "$MODULE_SIG_ALL" ]; then
116
-			INSTALL_MOD_PATH="$tmpdir" $MAKE KBUILD_SRC= modules_sign
180
+		if is_enabled CONFIG_MODULE_SIG_ALL; then
181
+			INSTALL_MOD_PATH="$tmpdir" $MAKE -f $srctree/Makefile modules_sign
117182 		fi
118183 	fi
119
-fi
120
-
121
-if [ "$ARCH" != "um" ]; then
122
-	$MAKE headers_check KBUILD_SRC=
123
-	$MAKE headers_install KBUILD_SRC= INSTALL_HDR_PATH="$libc_headers_dir/usr"
124184 fi
125185 
126186 # Install the maintainer scripts
....@@ -129,11 +189,6 @@
129189 # make-kpkg sets $INITRD to indicate whether an initramfs is wanted, and
130190 # so do we; recent versions of dracut and initramfs-tools will obey this.
131191 debhookdir=${KDEB_HOOKDIR:-/etc/kernel}
132
-if grep -q '^CONFIG_BLK_DEV_INITRD=y' $KCONFIG_CONFIG; then
133
-	want_initrd=Yes
134
-else
135
-	want_initrd=No
136
-fi
137192 for script in postinst postrm preinst prerm ; do
138193 	mkdir -p "$tmpdir$debhookdir/$script.d"
139194 	cat <<EOF > "$tmpdir/DEBIAN/$script"
....@@ -145,7 +200,7 @@
145200 export DEB_MAINT_PARAMS="\$*"
146201 
147202 # Tell initramfs builder whether it's wanted
148
-export INITRD=$want_initrd
203
+export INITRD=$(if_enabled_echo CONFIG_BLK_DEV_INITRD Yes No)
149204 
150205 test -d $debhookdir/$script.d && run-parts --arg="$version" --arg="/$installed_image_path" $debhookdir/$script.d
151206 exit 0
....@@ -153,29 +208,14 @@
153208 	chmod 755 "$tmpdir/DEBIAN/$script"
154209 done
155210 
156
-# Build kernel header package
157
-(cd $srctree; find . -name Makefile\* -o -name Kconfig\* -o -name \*.pl) > "$objtree/debian/hdrsrcfiles"
158
-(cd $srctree; find arch/*/include include scripts -type f -o -type l) >> "$objtree/debian/hdrsrcfiles"
159
-(cd $srctree; find arch/$SRCARCH -name module.lds -o -name Kbuild.platforms -o -name Platform) >> "$objtree/debian/hdrsrcfiles"
160
-(cd $srctree; find $(find arch/$SRCARCH -name include -o -name scripts -type d) -type f) >> "$objtree/debian/hdrsrcfiles"
161
-if grep -q '^CONFIG_STACK_VALIDATION=y' $KCONFIG_CONFIG ; then
162
-	(cd $objtree; find tools/objtool -type f -executable) >> "$objtree/debian/hdrobjfiles"
163
-fi
164
-(cd $objtree; find arch/$SRCARCH/include Module.symvers include scripts -type f) >> "$objtree/debian/hdrobjfiles"
165
-if grep -q '^CONFIG_GCC_PLUGINS=y' $KCONFIG_CONFIG ; then
166
-	(cd $objtree; find scripts/gcc-plugins -name \*.so -o -name gcc-common.h) >> "$objtree/debian/hdrobjfiles"
167
-fi
168
-destdir=$kernel_headers_dir/usr/src/linux-headers-$version
169
-mkdir -p "$destdir"
170
-(cd $srctree; tar -c -f - -T -) < "$objtree/debian/hdrsrcfiles" | (cd $destdir; tar -xf -)
171
-(cd $objtree; tar -c -f - -T -) < "$objtree/debian/hdrobjfiles" | (cd $destdir; tar -xf -)
172
-(cd $objtree; cp $KCONFIG_CONFIG $destdir/.config) # copy .config manually to be where it's expected to be
173
-ln -sf "/usr/src/linux-headers-$version" "$kernel_headers_dir/lib/modules/$version/build"
174
-rm -f "$objtree/debian/hdrsrcfiles" "$objtree/debian/hdrobjfiles"
175
-
176211 if [ "$ARCH" != "um" ]; then
177
-	create_package "$kernel_headers_packagename" "$kernel_headers_dir"
178
-	create_package "$libc_headers_packagename" "$libc_headers_dir"
212
+	if is_enabled CONFIG_MODULES; then
213
+		deploy_kernel_headers debian/linux-headers
214
+		create_package linux-headers-$version debian/linux-headers
215
+	fi
216
+
217
+	deploy_libc_headers debian/linux-libc-dev
218
+	create_package linux-libc-dev debian/linux-libc-dev
179219 fi
180220 
181221 create_package "$packagename" "$tmpdir"