Initial adaptation to i686

Changes allow for a working i686 build

SPECS/kernel-lt.spec

@@ -38,7 +38,7 @@
 %endif
 
 # Set pkg_release.
-%global pkg_release 1%{?buildid}%{?dist}
+%global pkg_release 2%{?buildid}%{?dist}
 
 # Architectures upon which we can sign the kernel
 # for secure boot authentication.
@@ -124,6 +124,15 @@
 %define with_vdso_install 0
 %endif
 
+%ifarch i686
+%define with_doc 0
+%define with_bpftool 0
+%define bldarch x86
+%define hdrarch x86
+%define make_target bzImage
+%define kernel_image arch/x86/boot/bzImage
+%endif
+
 %ifarch x86_64 || aarch64
 %define with_doc 0
 %endif
@@ -164,7 +173,7 @@ License: GPLv2 and Redistributable, no modification permitted.
 URL: https://www.kernel.org/
 Version: %{pkg_version}
 Release: %{pkg_release}
-ExclusiveArch: x86_64 aarch64 noarch
+ExclusiveArch: x86_64 aarch64 noarch i686
 ExclusiveOS: Linux
 Provides: kernel = %{version}-%{release}
 Provides: installonlypkg(kernel)
@@ -227,6 +236,7 @@ Source0: https://www.kernel.org/pub/linux/kernel/v6.x/linux-%{LKAver}.tar.xz
 
 Source2: config-%{version}-x86_64
 Source4: config-%{version}-aarch64
+Source5: config-%{version}-i686
 
 Source20: mod-denylist.sh
 Source21: mod-sign.sh
@@ -244,11 +254,7 @@ Source2000: cpupower.service
 Source2001: cpupower.config
 Source2002: kvm_stat.logrotate
 
-# Do not package the source tarball.
-# To build .src.rpm, run with '--with src'
-%if %{?_with_src:0}%{!?_with_src:1}
-NoSource: 0
-%endif
+
 
 %if %{signkernel}
 %define secureboot_ca_0 %{_datadir}/pki/sb-certs/secureboot-ca-%{_arch}.cer
@@ -591,13 +597,14 @@ mv COPYING COPYING-%{version}-%{release}
 
 cp -a %{SOURCE2} .
 cp -a %{SOURCE4} .
+cp -a %{SOURCE5} .
 
 # Set the EXTRAVERSION string in the top level Makefile.
 sed -i "s@^EXTRAVERSION.*@EXTRAVERSION = -%{release}.%{_target_cpu}@" Makefile
 
-%ifarch x86_64 || aarch64
+%ifarch x86_64 || aarch64 || i686
 cp config-%{version}-%{_target_cpu} .config
-%{__make} -s ARCH=%{bldarch} listnewconfig | grep -E '^CONFIG_' > newoptions-el9-%{_target_cpu}.txt || true
+%{__make} ARCH=%{bldarch} listnewconfig | grep -E '^CONFIG_' > newoptions-el9-%{_target_cpu}.txt || true
 if [ -s newoptions-el9-%{_target_cpu}.txt ]; then
 	cat newoptions-el9-%{_target_cpu}.txt
 	exit 1
@@ -631,7 +638,7 @@ popd > /dev/null
 %build
 pushd linux-%{KVERREL} > /dev/null
 
-%ifarch x86_64 || aarch64
+%ifarch x86_64 || aarch64 || i686
 cp config-%{version}-%{_target_cpu} .config
 
 %{__make} -s ARCH=%{bldarch} oldconfig
@@ -750,7 +757,7 @@ pushd linux-%{KVERREL} > /dev/null
 
 rm -fr $RPM_BUILD_ROOT
 
-%ifarch x86_64 || aarch64
+%ifarch x86_64 || aarch64 || i686
 mkdir -p $RPM_BUILD_ROOT
 
 %if %{with_std}
@@ -935,7 +942,7 @@ cp -a --parents arch/arm/include/asm/opcodes.h $RPM_BUILD_ROOT/lib/modules/%{KVE
 
 cp -a include $RPM_BUILD_ROOT/lib/modules/%{KVERREL}/build/include
 
-%ifarch x86_64
+%ifarch x86_64 || i686
 # Files required for 'make prepare' to succeed with kernel-lt-devel.
 cp -a --parents arch/x86/entry/syscalls/syscall_32.tbl $RPM_BUILD_ROOT/lib/modules/%{KVERREL}/build/
 cp -a --parents arch/x86/entry/syscalls/syscall_64.tbl $RPM_BUILD_ROOT/lib/modules/%{KVERREL}/build/
@@ -957,10 +964,13 @@ cp -a --parents scripts/syscallhdr.sh $RPM_BUILD_ROOT/lib/modules/%{KVERREL}/bui
 
 cp -a --parents tools/arch/x86/include/asm $RPM_BUILD_ROOT/lib/modules/%{KVERREL}/build
 cp -a --parents tools/arch/x86/include/uapi/asm $RPM_BUILD_ROOT/lib/modules/%{KVERREL}/build
-cp -a --parents tools/objtool/arch/x86/lib $RPM_BUILD_ROOT/lib/modules/%{KVERREL}/build
+#cp -a --parents tools/objtool/arch/x86/lib $RPM_BUILD_ROOT/lib/modules/%{KVERREL}/build
 cp -a --parents tools/arch/x86/lib/ $RPM_BUILD_ROOT/lib/modules/%{KVERREL}/build
 cp -a --parents tools/arch/x86/tools/gen-insn-attr-x86.awk $RPM_BUILD_ROOT/lib/modules/%{KVERREL}/build
+%ifnarch i686
 cp -a --parents tools/objtool/arch/x86/ $RPM_BUILD_ROOT/lib/modules/%{KVERREL}/build
+cp -a --parents tools/objtool/arch/x86/lib $RPM_BUILD_ROOT/lib/modules/%{KVERREL}/build
+%endif
 %endif
 
 # Clean up the intermediate tools files.
@@ -1173,7 +1183,7 @@ mkdir -p $RPM_BUILD_ROOT%{_unitdir} $RPM_BUILD_ROOT%{_sysconfdir}/sysconfig
 install -m644 %{SOURCE2000} $RPM_BUILD_ROOT%{_unitdir}/cpupower.service
 install -m644 %{SOURCE2001} $RPM_BUILD_ROOT%{_sysconfdir}/sysconfig/cpupower
 
-%ifarch x86_64
+%ifarch x86_64 || i686
 mkdir -p $RPM_BUILD_ROOT%{_mandir}/man8
 pushd tools/power/x86/x86_energy_perf_policy > /dev/null
 %{__make} -s %{?_smp_mflags} DESTDIR=$RPM_BUILD_ROOT install
@@ -1323,7 +1333,7 @@ fi\
 %{expand:%%kernel_lt_variant_posttrans %{?-v*}}\
 %{expand:%%post %{?-v*:%{-v*}-}core}\
 %{-r:\
-if [ `uname -i` == "x86_64" ] &&\
+if ([ `uname -i` == "x86_64" ] || [ `uname -i` == "i686" ]) &&\
     [ -f /etc/sysconfig/kernel ]; then\
     /bin/sed -r -i -e 's/^DEFAULTKERNEL=%{-r*}$/DEFAULTKERNEL=%{name}%{?-v:-%{-v*}}/' /etc/sysconfig/kernel || exit $?\
 fi}\
@@ -1393,7 +1403,7 @@ fi
 %{_unitdir}/cpupower.service
 %{_mandir}/man[1-8]/cpupower*
 %config(noreplace) %{_sysconfdir}/sysconfig/cpupower
-%ifarch x86_64
+%ifarch x86_64 || i686
 %{_bindir}/x86_energy_perf_policy
 %{_mandir}/man8/x86_energy_perf_policy*
 %{_bindir}/turbostat
@@ -1442,7 +1452,7 @@ fi
 %endif
 
 # Empty meta-package.
-%ifarch x86_64 || aarch64
+%ifarch x86_64 || aarch64 || i686
 %files
 %endif
 
@@ -1500,6 +1510,9 @@ fi
 %kernel_lt_variant_files %{_use_vdso} %{with_std}
 
 %changelog
+* Mon Oct 14 2024 Skip Grube <skip@rockylinux.org> - 6.1.112-2
+- Added x86 (i686) target build support
+
 * Mon Sep 30 2024 Akemi Yagi <toracat@elrepo.org> - 6.1.112
 - Updated with the 6.1.112 source tarball.
 - Enable DPAA