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# _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-devel or libdw-devel)
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 < %{version}
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
%if %{with_debuginfo}
%package debuginfo
Summary: Debug information package for the Linux kernel
%description debuginfo
This package provides debug information for the kernel image and modules from the
%{version} 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}/lib/modules/%{KERNELRELEASE}
cp $(%{make} %{makeflags} -s image_name) %{buildroot}/lib/modules/%{KERNELRELEASE}/vmlinuz
# DEPMOD=true makes depmod no-op. We do not package depmod-generated files.
%{make} %{makeflags} INSTALL_MOD_PATH=%{buildroot} INSTALL_MOD_STRIP=1 DEPMOD=true modules_install
%{make} %{makeflags} INSTALL_HDR_PATH=%{buildroot}/usr headers_install
cp System.map %{buildroot}/lib/modules/%{KERNELRELEASE}
cp .config %{buildroot}/lib/modules/%{KERNELRELEASE}/config
if %{make} %{makeflags} run-command KBUILD_RUN_COMMAND='test -d ${srctree}/arch/${SRCARCH}/boot/dts' 2>/dev/null; then
%{make} %{makeflags} INSTALL_DTBS_PATH=%{buildroot}/lib/modules/%{KERNELRELEASE}/dtb dtbs_install
fi
ln -fns /usr/src/kernels/%{KERNELRELEASE} %{buildroot}/lib/modules/%{KERNELRELEASE}/build
%if %{with_devel}
%{make} %{makeflags} run-command KBUILD_RUN_COMMAND='${srctree}/scripts/package/install-extmod-build %{buildroot}/usr/src/kernels/%{KERNELRELEASE}'
%endif
{
echo "/lib/modules/%{KERNELRELEASE}"
for x in alias alias.bin builtin.alias.bin builtin.bin dep dep.bin \
devname softdep symbols symbols.bin weakdep; do
echo "%ghost /lib/modules/%{KERNELRELEASE}/modules.${x}"
done
for x in System.map config vmlinuz; do
echo "%ghost /boot/${x}-%{KERNELRELEASE}"
done
if [ -d "%{buildroot}/lib/modules/%{KERNELRELEASE}/dtb" ];then
find "%{buildroot}/lib/modules/%{KERNELRELEASE}/dtb" -printf "%%%ghost /boot/dtb-%{KERNELRELEASE}/%%P\n"
fi
echo "%exclude /lib/modules/%{KERNELRELEASE}/build"
} > %{buildroot}/kernel.list
%if %{with_debuginfo}
# copying vmlinux directly to the debug directory means it will not get
# stripped (but its source paths will still be collected + fixed up)
mkdir -p %{buildroot}/usr/lib/debug/lib/modules/%{KERNELRELEASE}
cp vmlinux %{buildroot}/usr/lib/debug/lib/modules/%{KERNELRELEASE}
echo /usr/lib/debug/lib/modules/%{KERNELRELEASE}/vmlinux > %{buildroot}/debuginfo.list
while read -r mod; do
mod="${mod%.o}.ko"
dbg="%{buildroot}/usr/lib/debug/lib/modules/%{KERNELRELEASE}/kernel/${mod}"
buildid=$("${READELF}" -n "${mod}" | sed -n 's@^.*Build ID: \(..\)\(.*\)@\1/\2@p')
link="%{buildroot}/usr/lib/debug/.build-id/${buildid}.debug"
mkdir -p "${dbg%/*}" "${link%/*}"
"${OBJCOPY}" --only-keep-debug "${mod}" "${dbg}"
ln -sf --relative "${dbg}" "${link}"
echo "${dbg#%{buildroot}}" >> %{buildroot}/debuginfo.list
echo "${link#%{buildroot}}" >> %{buildroot}/debuginfo.list
done < modules.order
%endif
%clean
rm -rf %{buildroot}
%post
if [ -x /usr/bin/kernel-install ]; then
/usr/bin/kernel-install add %{KERNELRELEASE} /lib/modules/%{KERNELRELEASE}/vmlinuz
fi
for file in vmlinuz System.map config; do
if ! cmp --silent "/lib/modules/%{KERNELRELEASE}/${file}" "/boot/${file}-%{KERNELRELEASE}"; then
cp "/lib/modules/%{KERNELRELEASE}/${file}" "/boot/${file}-%{KERNELRELEASE}"
fi
done
if [ -d "/lib/modules/%{KERNELRELEASE}/dtb" ] && \
! diff -rq "/lib/modules/%{KERNELRELEASE}/dtb" "/boot/dtb-%{KERNELRELEASE}" >/dev/null 2>&1; then
rm -rf "/boot/dtb-%{KERNELRELEASE}"
cp -r "/lib/modules/%{KERNELRELEASE}/dtb" "/boot/dtb-%{KERNELRELEASE}"
fi
if [ ! -e "/lib/modules/%{KERNELRELEASE}/modules.dep" ]; then
/usr/sbin/depmod %{KERNELRELEASE}
fi
%preun
if [ -x /usr/bin/kernel-install ]; then
kernel-install remove %{KERNELRELEASE}
fi
%files -f %{buildroot}/kernel.list
%defattr (-, root, root)
%exclude /kernel.list
%files headers
%defattr (-, root, root)
/usr/include
%if %{with_devel}
%files devel
%defattr (-, root, root)
/usr/src/kernels/%{KERNELRELEASE}
/lib/modules/%{KERNELRELEASE}/build
%endif
%if %{with_debuginfo}
%files -f %{buildroot}/debuginfo.list debuginfo
%defattr (-, root, root)
%exclude /debuginfo.list
%endif
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