6 files changed, 204 insertions, 195 deletions
diff --git a/scripts/package/builddeb b/scripts/package/builddeb
index 032774eb061e..d7dd0d04c70c 100755
--- a/scripts/package/builddeb
+++ b/scripts/package/builddeb
@@ -64,7 +64,6 @@ install_linux_image () {
 
 	${MAKE} -f ${srctree}/Makefile INSTALL_MOD_PATH="${pdir}" modules_install
 	rm -f "${pdir}/lib/modules/${KERNELRELEASE}/build"
-	rm -f "${pdir}/lib/modules/${KERNELRELEASE}/source"
 
 	# Install the kernel
 	if [ "${ARCH}" = um ] ; then
@@ -162,34 +161,7 @@ install_kernel_headers () {
 
 	rm -rf $pdir
 
-	(
-		cd $srctree
-		find . arch/$SRCARCH -maxdepth 1 -name Makefile\*
-		find include scripts -type f -o -type l
-		find arch/$SRCARCH -name Kbuild.platforms -o -name Platform
-		find $(find arch/$SRCARCH -name include -o -name scripts -type d) -type f
-	) > debian/hdrsrcfiles
-
-	{
-		if is_enabled CONFIG_OBJTOOL; then
-			echo tools/objtool/objtool
-		fi
-
-		find arch/$SRCARCH/include Module.symvers include scripts -type f
-
-		if is_enabled CONFIG_GCC_PLUGINS; then
-			find scripts/gcc-plugins -name \*.so
-		fi
-	} > debian/hdrobjfiles
-
-	destdir=$pdir/usr/src/linux-headers-$version
-	mkdir -p $destdir
-	tar -c -f - -C $srctree -T debian/hdrsrcfiles | tar -xf - -C $destdir
-	tar -c -f - -T debian/hdrobjfiles | tar -xf - -C $destdir
-	rm -f debian/hdrsrcfiles debian/hdrobjfiles
-
-	# copy .config manually to be where it's expected to be
-	cp $KCONFIG_CONFIG $destdir/.config
+	"${srctree}/scripts/package/install-extmod-build" "${pdir}/usr/src/linux-headers-${version}"
 
 	mkdir -p $pdir/lib/modules/$version/
 	ln -s /usr/src/linux-headers-$version $pdir/lib/modules/$version/build
diff --git a/scripts/package/debian/rules b/scripts/package/debian/rules
new file mode 100755
index 000000000000..3dafa9496c63
--- /dev/null
+++ b/scripts/package/debian/rules
@@ -0,0 +1,33 @@
+#!/usr/bin/make -f
+# SPDX-License-Identifier: GPL-2.0-only
+
+include debian/rules.vars
+
+srctree ?= .
+
+ifneq (,$(filter-out parallel=1,$(filter parallel=%,$(DEB_BUILD_OPTIONS))))
+    NUMJOBS = $(patsubst parallel=%,%,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))
+    MAKEFLAGS += -j$(NUMJOBS)
+endif
+
+.PHONY: binary binary-indep binary-arch
+binary: binary-arch binary-indep
+binary-indep: build-indep
+binary-arch: build-arch
+	$(MAKE) -f $(srctree)/Makefile ARCH=$(ARCH) \
+	KERNELRELEASE=$(KERNELRELEASE) \
+	run-command KBUILD_RUN_COMMAND=+$(srctree)/scripts/package/builddeb
+
+.PHONY: build build-indep build-arch
+build: build-arch build-indep
+build-indep:
+build-arch:
+	$(MAKE) -f $(srctree)/Makefile ARCH=$(ARCH) \
+	KERNELRELEASE=$(KERNELRELEASE) \
+	$(shell $(srctree)/scripts/package/deb-build-option) \
+	olddefconfig all
+
+.PHONY: clean
+clean:
+	rm -rf debian/files debian/linux-*
+	$(MAKE) -f $(srctree)/Makefile ARCH=$(ARCH) clean
diff --git a/scripts/package/install-extmod-build b/scripts/package/install-extmod-build
new file mode 100755
index 000000000000..8a7051fad087
--- /dev/null
+++ b/scripts/package/install-extmod-build
@@ -0,0 +1,39 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0-only
+
+set -e
+
+destdir=${1}
+
+test -n "${srctree}"
+test -n "${SRCARCH}"
+
+is_enabled() {
+	grep -q "^$1=y" include/config/auto.conf
+}
+
+mkdir -p "${destdir}"
+
+(
+	cd "${srctree}"
+	echo Makefile
+	find "arch/${SRCARCH}" -maxdepth 1 -name 'Makefile*'
+	find include scripts -type f -o -type l
+	find "arch/${SRCARCH}" -name Kbuild.platforms -o -name Platform
+	find "arch/${SRCARCH}" -name include -o -name scripts -type d
+) | tar -c -f - -C "${srctree}" -T - | tar -xf - -C "${destdir}"
+
+{
+	if is_enabled CONFIG_OBJTOOL; then
+		echo tools/objtool/objtool
+	fi
+
+	find "arch/${SRCARCH}/include" Module.symvers include scripts -type f
+
+	if is_enabled CONFIG_GCC_PLUGINS; then
+		find scripts/gcc-plugins -name '*.so'
+	fi
+} | tar -c -f - -T - | tar -xf - -C "${destdir}"
+
+# copy .config manually to be where it's expected to be
+cp "${KCONFIG_CONFIG}" "${destdir}/.config"
diff --git a/scripts/package/kernel.spec b/scripts/package/kernel.spec
new file mode 100644
index 000000000000..3eee0143e0c5
--- /dev/null
+++ b/scripts/package/kernel.spec
@@ -0,0 +1,114 @@
+# _arch is undefined if /usr/lib/rpm/platform/*/macros was not included.
+%{!?_arch: %define _arch dummy}
+%{!?make: %define make make}
+%define makeflags %{?_smp_mflags} ARCH=%{ARCH}
+%define __spec_install_post /usr/lib/rpm/brp-compress || :
+%define debug_package %{nil}
+
+Name: kernel
+Summary: The Linux Kernel
+Version: %(echo %{KERNELRELEASE} | sed -e 's/-/_/g')
+Release: %{pkg_release}
+License: GPL
+Group: System Environment/Kernel
+Vendor: The Linux Community
+URL: https://www.kernel.org
+Source0: linux.tar.gz
+Source1: config
+Source2: diff.patch
+Provides: kernel-%{KERNELRELEASE}
+BuildRequires: bc binutils bison dwarves
+BuildRequires: (elfutils-libelf-devel or libelf-devel) flex
+BuildRequires: gcc make openssl openssl-devel perl python3 rsync
+
+%description
+The Linux Kernel, the operating system core itself
+
+%package headers
+Summary: Header files for the Linux kernel for use by glibc
+Group: Development/System
+Obsoletes: kernel-headers
+Provides: kernel-headers = %{version}
+%description headers
+Kernel-headers includes the C header files that specify the interface
+between the Linux kernel and userspace libraries and programs.  The
+header files define structures and constants that are needed for
+building most standard programs and are also needed for rebuilding the
+glibc package.
+
+%if %{with_devel}
+%package devel
+Summary: Development package for building kernel modules to match the %{version} kernel
+Group: System Environment/Kernel
+AutoReqProv: no
+%description -n kernel-devel
+This package provides kernel headers and makefiles sufficient to build modules
+against the %{version} kernel package.
+%endif
+
+%prep
+%setup -q -n linux
+cp %{SOURCE1} .config
+patch -p1 < %{SOURCE2}
+
+%build
+%{make} %{makeflags} KERNELRELEASE=%{KERNELRELEASE} KBUILD_BUILD_VERSION=%{release}
+
+%install
+mkdir -p %{buildroot}/boot
+%ifarch ia64
+mkdir -p %{buildroot}/boot/efi
+cp $(%{make} %{makeflags} -s image_name) %{buildroot}/boot/efi/vmlinuz-%{KERNELRELEASE}
+ln -s efi/vmlinuz-%{KERNELRELEASE} %{buildroot}/boot/
+%else
+cp $(%{make} %{makeflags} -s image_name) %{buildroot}/boot/vmlinuz-%{KERNELRELEASE}
+%endif
+%{make} %{makeflags} INSTALL_MOD_PATH=%{buildroot} modules_install
+%{make} %{makeflags} INSTALL_HDR_PATH=%{buildroot}/usr headers_install
+cp System.map %{buildroot}/boot/System.map-%{KERNELRELEASE}
+cp .config %{buildroot}/boot/config-%{KERNELRELEASE}
+ln -fns /usr/src/kernels/%{KERNELRELEASE} %{buildroot}/lib/modules/%{KERNELRELEASE}/build
+%if %{with_devel}
+%{make} %{makeflags} run-command KBUILD_RUN_COMMAND='${srctree}/scripts/package/install-extmod-build %{buildroot}/usr/src/kernels/%{KERNELRELEASE}'
+%endif
+
+%clean
+rm -rf %{buildroot}
+
+%post
+if [ -x /sbin/installkernel -a -r /boot/vmlinuz-%{KERNELRELEASE} -a -r /boot/System.map-%{KERNELRELEASE} ]; then
+cp /boot/vmlinuz-%{KERNELRELEASE} /boot/.vmlinuz-%{KERNELRELEASE}-rpm
+cp /boot/System.map-%{KERNELRELEASE} /boot/.System.map-%{KERNELRELEASE}-rpm
+rm -f /boot/vmlinuz-%{KERNELRELEASE} /boot/System.map-%{KERNELRELEASE}
+/sbin/installkernel %{KERNELRELEASE} /boot/.vmlinuz-%{KERNELRELEASE}-rpm /boot/.System.map-%{KERNELRELEASE}-rpm
+rm -f /boot/.vmlinuz-%{KERNELRELEASE}-rpm /boot/.System.map-%{KERNELRELEASE}-rpm
+fi
+
+%preun
+if [ -x /sbin/new-kernel-pkg ]; then
+new-kernel-pkg --remove %{KERNELRELEASE} --rminitrd --initrdfile=/boot/initramfs-%{KERNELRELEASE}.img
+elif [ -x /usr/bin/kernel-install ]; then
+kernel-install remove %{KERNELRELEASE}
+fi
+
+%postun
+if [ -x /sbin/update-bootloader ]; then
+/sbin/update-bootloader --remove %{KERNELRELEASE}
+fi
+
+%files
+%defattr (-, root, root)
+/lib/modules/%{KERNELRELEASE}
+%exclude /lib/modules/%{KERNELRELEASE}/build
+/boot/*
+
+%files headers
+%defattr (-, root, root)
+/usr/include
+
+%if %{with_devel}
+%files devel
+%defattr (-, root, root)
+/usr/src/kernels/%{KERNELRELEASE}
+/lib/modules/%{KERNELRELEASE}/build
+%endif
diff --git a/scripts/package/mkdebian b/scripts/package/mkdebian
index ba2453e08d40..5044224cf671 100755
--- a/scripts/package/mkdebian
+++ b/scripts/package/mkdebian
@@ -263,34 +263,11 @@ Description: Linux kernel debugging symbols for $version
 EOF
 fi
 
-cat <<EOF > debian/rules
-#!$(command -v $MAKE) -f
-
-srctree ?= .
-KERNELRELEASE = ${KERNELRELEASE}
-
-.PHONY: clean build build-arch build-indep binary binary-arch binary-indep
-
-build-indep:
-build-arch:
-	\$(MAKE) -f \$(srctree)/Makefile ARCH=${ARCH} \
-	KERNELRELEASE=\$(KERNELRELEASE) \
-	\$(shell \$(srctree)/scripts/package/deb-build-option) \
-	olddefconfig all
-
-build: build-arch
-
-binary-indep:
-binary-arch: build-arch
-	\$(MAKE) -f \$(srctree)/Makefile ARCH=${ARCH} \
-	KERNELRELEASE=\$(KERNELRELEASE) intdeb-pkg
-
-clean:
-	rm -rf debian/files debian/linux-*
-	\$(MAKE) -f \$(srctree)/Makefile ARCH=${ARCH} clean
-
-binary: binary-arch
+cat <<EOF > debian/rules.vars
+ARCH := ${ARCH}
+KERNELRELEASE := ${KERNELRELEASE}
 EOF
-chmod +x debian/rules
+
+cp "${srctree}/scripts/package/debian/rules" debian/
 
 exit 0
diff --git a/scripts/package/mkspec b/scripts/package/mkspec
index 8049f0e2c110..ce201bfa8377 100755
--- a/scripts/package/mkspec
+++ b/scripts/package/mkspec
@@ -9,148 +9,22 @@
 #	Patched for non-x86 by Opencon (L) 2002 <opencon@rio.skydome.net>
 #
 
-# how we were called determines which rpms we build and how we build them
-if [ "$1" = prebuilt ]; then
-	S=DEL
-	MAKE="$MAKE -f $srctree/Makefile"
-else
-	S=
+output=$1
 
-	mkdir -p rpmbuild/SOURCES
-	cp linux.tar.gz rpmbuild/SOURCES
-	cp "${KCONFIG_CONFIG}" rpmbuild/SOURCES/config
-	"${srctree}/scripts/package/gen-diff-patch" rpmbuild/SOURCES/diff.patch
-fi
+mkdir -p "$(dirname "${output}")"
+
+exec >"${output}"
 
 if grep -q CONFIG_MODULES=y include/config/auto.conf; then
-	M=
+echo '%define with_devel %{?_without_devel: 0} %{?!_without_devel: 1}'
 else
-	M=DEL
+echo '%define with_devel 0'
 fi
 
-__KERNELRELEASE=$(echo $KERNELRELEASE | sed -e "s/-/_/g")
-EXCLUDES="$RCS_TAR_IGNORE --exclude=*vmlinux* --exclude=*.mod \
---exclude=*.o --exclude=*.ko --exclude=*.cmd --exclude=Documentation \
---exclude=.config.old --exclude=.missing-syscalls.d --exclude=*.s"
-
-# We can label the here-doc lines for conditional output to the spec file
-#
-# Labels:
-#  $S: this line is enabled only when building source package
-#  $M: this line is enabled only when CONFIG_MODULES is enabled
-sed -e '/^DEL/d' -e 's/^\t*//' <<EOF
-	Name: kernel
-	Summary: The Linux Kernel
-	Version: $__KERNELRELEASE
-	Release: $(cat .version 2>/dev/null || echo 1)
-	License: GPL
-	Group: System Environment/Kernel
-	Vendor: The Linux Community
-	URL: https://www.kernel.org
-$S	Source0: linux.tar.gz
-$S	Source1: config
-$S	Source2: diff.patch
-	Provides: kernel-$KERNELRELEASE
-$S	BuildRequires: bc binutils bison dwarves
-$S	BuildRequires: (elfutils-libelf-devel or libelf-devel) flex
-$S	BuildRequires: gcc make openssl openssl-devel perl python3 rsync
-
-	# $UTS_MACHINE as a fallback of _arch in case
-	# /usr/lib/rpm/platform/*/macros was not included.
-	%define _arch %{?_arch:$UTS_MACHINE}
-	%define __spec_install_post /usr/lib/rpm/brp-compress || :
-	%define debug_package %{nil}
-
-	%description
-	The Linux Kernel, the operating system core itself
-
-	%package headers
-	Summary: Header files for the Linux kernel for use by glibc
-	Group: Development/System
-	Obsoletes: kernel-headers
-	Provides: kernel-headers = %{version}
-	%description headers
-	Kernel-headers includes the C header files that specify the interface
-	between the Linux kernel and userspace libraries and programs.  The
-	header files define structures and constants that are needed for
-	building most standard programs and are also needed for rebuilding the
-	glibc package.
-
-$S$M	%package devel
-$S$M	Summary: Development package for building kernel modules to match the $__KERNELRELEASE kernel
-$S$M	Group: System Environment/Kernel
-$S$M	AutoReqProv: no
-$S$M	%description -n kernel-devel
-$S$M	This package provides kernel headers and makefiles sufficient to build modules
-$S$M	against the $__KERNELRELEASE kernel package.
-$S$M
-$S	%prep
-$S	%setup -q -n linux
-$S	cp %{SOURCE1} .config
-$S	patch -p1 < %{SOURCE2}
-$S
-$S	%build
-$S	$MAKE %{?_smp_mflags} KERNELRELEASE=$KERNELRELEASE KBUILD_BUILD_VERSION=%{release}
-$S
-	%install
-	mkdir -p %{buildroot}/boot
-	%ifarch ia64
-	mkdir -p %{buildroot}/boot/efi
-	cp \$($MAKE -s image_name) %{buildroot}/boot/efi/vmlinuz-$KERNELRELEASE
-	ln -s efi/vmlinuz-$KERNELRELEASE %{buildroot}/boot/
-	%else
-	cp \$($MAKE -s image_name) %{buildroot}/boot/vmlinuz-$KERNELRELEASE
-	%endif
-$M	$MAKE %{?_smp_mflags} INSTALL_MOD_PATH=%{buildroot} modules_install
-	$MAKE %{?_smp_mflags} INSTALL_HDR_PATH=%{buildroot}/usr headers_install
-	cp System.map %{buildroot}/boot/System.map-$KERNELRELEASE
-	cp .config %{buildroot}/boot/config-$KERNELRELEASE
-$S$M	rm -f %{buildroot}/lib/modules/$KERNELRELEASE/build
-$S$M	rm -f %{buildroot}/lib/modules/$KERNELRELEASE/source
-$S$M	mkdir -p %{buildroot}/usr/src/kernels/$KERNELRELEASE
-$S$M	tar cf - $EXCLUDES . | tar xf - -C %{buildroot}/usr/src/kernels/$KERNELRELEASE
-$S$M	cd %{buildroot}/lib/modules/$KERNELRELEASE
-$S$M	ln -sf /usr/src/kernels/$KERNELRELEASE build
-$S$M	ln -sf /usr/src/kernels/$KERNELRELEASE source
-
-	%clean
-	rm -rf %{buildroot}
-
-	%post
-	if [ -x /sbin/installkernel -a -r /boot/vmlinuz-$KERNELRELEASE -a -r /boot/System.map-$KERNELRELEASE ]; then
-	cp /boot/vmlinuz-$KERNELRELEASE /boot/.vmlinuz-$KERNELRELEASE-rpm
-	cp /boot/System.map-$KERNELRELEASE /boot/.System.map-$KERNELRELEASE-rpm
-	rm -f /boot/vmlinuz-$KERNELRELEASE /boot/System.map-$KERNELRELEASE
-	/sbin/installkernel $KERNELRELEASE /boot/.vmlinuz-$KERNELRELEASE-rpm /boot/.System.map-$KERNELRELEASE-rpm
-	rm -f /boot/.vmlinuz-$KERNELRELEASE-rpm /boot/.System.map-$KERNELRELEASE-rpm
-	fi
-
-	%preun
-	if [ -x /sbin/new-kernel-pkg ]; then
-	new-kernel-pkg --remove $KERNELRELEASE --rminitrd --initrdfile=/boot/initramfs-$KERNELRELEASE.img
-	elif [ -x /usr/bin/kernel-install ]; then
-	kernel-install remove $KERNELRELEASE
-	fi
-
-	%postun
-	if [ -x /sbin/update-bootloader ]; then
-	/sbin/update-bootloader --remove $KERNELRELEASE
-	fi
-
-	%files
-	%defattr (-, root, root)
-$M	/lib/modules/$KERNELRELEASE
-$M	%exclude /lib/modules/$KERNELRELEASE/build
-$M	%exclude /lib/modules/$KERNELRELEASE/source
-	/boot/*
-
-	%files headers
-	%defattr (-, root, root)
-	/usr/include
-$S$M
-$S$M	%files devel
-$S$M	%defattr (-, root, root)
-$S$M	/usr/src/kernels/$KERNELRELEASE
-$S$M	/lib/modules/$KERNELRELEASE/build
-$S$M	/lib/modules/$KERNELRELEASE/source
+cat<<EOF
+%define ARCH ${ARCH}
+%define KERNELRELEASE ${KERNELRELEASE}
+%define pkg_release $("${srctree}/init/build-version")
 EOF
+
+cat "${srctree}/scripts/package/kernel.spec"