1 #!/bin/sh 1 #!/bin/sh
2 # SPDX-License-Identifier: GPL-2.0-only 2 # SPDX-License-Identifier: GPL-2.0-only
3 3
4 set -eu 4 set -eu
5 5
6 destdir=${1} 6 destdir=${1}
7 7
8 is_enabled() { 8 is_enabled() {
9 grep -q "^$1=y" include/config/auto.co 9 grep -q "^$1=y" include/config/auto.conf
10 } 10 }
11 11
12 find_in_scripts() { <<
13 find scripts \ <<
14 \( -name atomic -o -name dtc - <<
15 ! -name unifdef -a ! -name mk_ <<
16 } <<
17 <<
18 mkdir -p "${destdir}" 12 mkdir -p "${destdir}"
19 13
20 ( 14 (
21 cd "${srctree}" 15 cd "${srctree}"
22 echo Makefile 16 echo Makefile
23 find "arch/${SRCARCH}" -maxdepth 1 -na 17 find "arch/${SRCARCH}" -maxdepth 1 -name 'Makefile*'
24 find "arch/${SRCARCH}" -name generated !! 18 find include scripts -type f -o -type l
25 find "arch/${SRCARCH}" -name Kbuild.pl 19 find "arch/${SRCARCH}" -name Kbuild.platforms -o -name Platform
26 find include \( -name config -o -name !! 20 find "arch/${SRCARCH}" -name include -type d
27 find_in_scripts <<
28 ) | tar -c -f - -C "${srctree}" -T - | tar -xf 21 ) | tar -c -f - -C "${srctree}" -T - | tar -xf - -C "${destdir}"
29 22
30 { 23 {
31 if is_enabled CONFIG_OBJTOOL; then 24 if is_enabled CONFIG_OBJTOOL; then
32 echo tools/objtool/objtool 25 echo tools/objtool/objtool
33 fi 26 fi
34 27
35 echo Module.symvers !! 28 find "arch/${SRCARCH}/include" Module.symvers include scripts -type f
36 echo "arch/${SRCARCH}/include/generate <<
37 echo include/config/auto.conf <<
38 echo include/config/kernel.release <<
39 echo include/generated <<
40 find_in_scripts <<
41 29
42 if is_enabled CONFIG_GCC_PLUGINS; then 30 if is_enabled CONFIG_GCC_PLUGINS; then
43 find scripts/gcc-plugins -name 31 find scripts/gcc-plugins -name '*.so'
44 fi 32 fi
45 } | tar -c -f - -T - | tar -xf - -C "${destdir 33 } | tar -c -f - -T - | tar -xf - -C "${destdir}"
46 34
47 # When ${CC} and ${HOSTCC} differ, rebuild hos !! 35 # copy .config manually to be where it's expected to be
48 # !! 36 cp "${KCONFIG_CONFIG}" "${destdir}/.config"
49 # This caters to host programs that participat <<
50 # resolve_btfids are out of scope. <<
51 if [ "${CC}" != "${HOSTCC}" ]; then <<
52 echo "Rebuilding host programs with ${ <<
53 <<
54 cat <<-'EOF' > "${destdir}/Kbuild" <<
55 subdir-y := scripts <<
56 EOF <<
57 <<
58 # HOSTCXX is not overridden. The C++ c <<
59 # - scripts/kconfig/qconf, which is un <<
60 # - GCC plugins, which will not work o <<
61 # being rebuilt. <<
62 # <<
63 # Use the single-target build to avoid <<
64 # would overwrite Module.symvers. <<
65 "${MAKE}" HOSTCC="${CC}" KBUILD_EXTMOD <<
66 <<
67 cat <<-'EOF' > "${destdir}/scripts/Kb <<
68 subdir-y := basic <<
69 hostprogs-always-y := mod/modpost <<
70 mod/modpost-objs := $(addprefix mod/, <<
71 EOF <<
72 <<
73 # Run once again to rebuild scripts/ba <<
74 "${MAKE}" HOSTCC="${CC}" KBUILD_EXTMOD <<
75 <<
76 rm -f "${destdir}/Kbuild" "${destdir}/ <<
77 fi <<
78 <<
79 find "${destdir}" \( -name '.*.cmd' -o -name ' <<
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