--- /dev/null
+# vim:expandtab:shiftwidth=4:softtabstop=4:tabstop=4:
+
+# increment this if you have made a change that should force a new kernel
+# to build built
+#BUILD_GEN=1
+#BUILD_GEN=2 # bz19952: remove -lustre tag from kernel RPM names
+BUILD_GEN=3 # bz19975 enable the building of src.rpms by default
+
+DEVEL_KERNEL_TYPE="devel"
+
+prepare_and_build_srpm() {
+
+ pushd $TOPDIR >/dev/null
+ local GCC_VER=""
+ read GCC_VER < <($CC --version)
+ GCC_VER=${GCC_VER##* }
+ if [[ $GCC_VER = 4.3* ]]; then
+ # add the gcc 4.3 kernel build fix patch to it
+ cat <<"EOF" >> $TOPDIR/SOURCES/linux-${lnxmaj}-lustre.patch
+diff -urp linux-2.6.18.rawops/Makefile linux-2.6.18.races/Makefile
+--- linux-2.6.18.rawops/Makefile 2007-02-08 19:00:31.000000000 +0200
++++ linux-2.6.18.rawops/Makefile 2007-02-14 19:23:49.000000000 +0200
+@@ -506,6 +506,9 @@ KBUILD_CFLAGS += $(call cc-option,-Wdeclaration-after-statement,)
+ # disable pointer signed / unsigned warnings in gcc 4.0
+ CFLAGS += $(call cc-option,-Wno-pointer-sign,)
+
++# workaround to avoid gcc 4.3 emitting libgcc calls (see gcc bug #32044)
++CFLAGS += $(call cc-option,-fno-tree-scev-cprop,)
++
+ # Default kernel image to build when no specific target is given.
+ # KBUILD_IMAGE may be overruled on the command line or
+ # set in the environment
+EOF
+ fi
+
+ # create the buildid
+ local buildid="_lustre${EXTRA_VERSION##*_lustre}"
+
+ # edit the SPEC with our changes
+ sed -i -e 's/^\(%define signmodules \).*/\10/' \
+ -e "s/^#% \(define buildid\).*/%\1 ${buildid}/" \
+ -e '/-e $RPM_SOURCE_DIR\/kabi_whitelist_/i\
+ rm -f $RPM_SOURCE_DIR/kabi_whitelist_%{_target_cpu}$Flavour' \
+ -e '/_sourcedir\/kabitool -b \./a\
+ cp $RPM_BUILD_ROOT/kabi_whitelist $RPM_SOURCE_DIR/kabi_whitelist_%{_target_cpu}$Flavour' \
+ -e '/^# empty final patch file to facilitate testing of kernel patches/i\
+# adds Lustre patches\
+Patch99995: linux-%{kversion}-lustre.patch' \
+ -e '/^# conditionally applied test patch for debugging convenience/i\
+# lustre patch\
+%patch99995 -p1\
+' \
+ -e '/^%prep$/,/^# END OF PATCH APPLICATIONS$/s/kernel-%{kversion}/%{name}-%{kversion}/g' \
+ -e '/find $RPM_BUILD_ROOT\/lib\/modules\/$KernelVer/a\
+ cp -a fs/ext3/* $RPM_BUILD_ROOT/lib/modules/$KernelVer/build/fs/ext3 \
+ cp -a fs/ext4/* $RPM_BUILD_ROOT/lib/modules/$KernelVer/build/fs/ext4' \
+ SPECS/kernel-2.6.spec
+
+ if $KERNEL_LUSTRE_NAMING; then
+ # these are all of the changes needed because we change the package names
+ # to kernel-lustre-*. these should all go away when we stop this insanity
+ sed -i -e 's/^\(Name:.*kernel\)/\1-lustre/' \
+ -e '/^Provides: glibc-kernheaders = /a\
+Provides: kernel-headers = %{rpmversion}-%{release}
+Obsoletes: kernel-headers
+' \
+ -e '/^Provides: kernel-%{_target_cpu} = %{rpmversion}-%{release}$/a\
+Provides: kernel = %{rpmversion}-%{release}
+' \
+ -e '/^Provides: kernel-devel-%{_target_cpu} = %{rpmversion}-%{release}$/a\
+Provides: kernel-devel = %{rpmversion}-%{release}
+Obsoletes: kernel-devel
+' \
+ -e '/^Provides: %{name}-debuginfo-common-%{_target_cpu} = %{KVERREL}$/a\
+Provides: kernel-debuginfo-common = %{KVERREL}
+Obsoletes: kernel-debuginfo-common
+' \
+ -e '/^Provides: %{name}-debuginfo-%{_target_cpu} = %{KVERREL}$/a\
+Provides: kernel-debuginfo = %{KVERREL}
+Obsoletes: kernel-debuginfo
+' \
+ SPECS/kernel-2.6.spec
+ fi
+
+ # XXX - a building-on-Ubuntu hack
+ if grep -q "Ubuntu" /etc/issue; then
+ sed -i -e 's/^\(BuildPreReq: .*\)$/#NOU \1/g' \
+ -e 's/^\(BuildRequires: .*\)$/#NOU \1/g' \
+ SPECS/kernel-2.6.spec
+ fi
+
+ # finally, work around RH bug 491775, if needed
+ if ! grep -q "cp -a asm-x86_64 \$RPM_BUILD_ROOT/lib/modules/\$KernelVer/build/include" \
+ SPECS/kernel-2.6.spec; then
+ # XXX - i wonder if we will need to do this ad-hoc patching enough to
+ # formalize a patching system. let's assume not for the time
+ # being.
+ patch -s -p0 <<"EOF" || fatal 1 "Error while patching SPECS/kernel-2.6.spec"
+--- SPECS/kernel-2.6.spec.dist 2009-03-23 20:30:55.000000000 -0400
++++ SPECS/kernel-2.6.spec 2009-03-23 20:37:03.000000000 -0400
+@@ -6961,6 +6961,10 @@
+ cd include
+ cp -a acpi config keys linux math-emu media mtd net pcmcia rdma rxrpc scsi sound video asm asm-generic $RPM_BUILD_ROOT/lib/modules/$KernelVer/build/include
+ cp -a `readlink asm` $RPM_BUILD_ROOT/lib/modules/$KernelVer/build/include
++ if [ "$Arch" = "i386" ]; then
++ mkdir -p $RPM_BUILD_ROOT/lib/modules/$KernelVer/build/include/asm-x86_64
++ cp -a asm-x86_64/{stacktrace,k8,pci-direct}.h $RPM_BUILD_ROOT/lib/modules/$KernelVer/build/include/asm-x86_64
++ fi
+ if [ "$Arch" = "x86_64" ]; then
+ cp -a asm-i386 $RPM_BUILD_ROOT/lib/modules/$KernelVer/build/include
+ fi
+EOF
+ fi
+
+ popd >/dev/null
+
+ # this concept of being able to build a list of targets with a single
+ # lbuild is a fine idea, but in reality I think it's (very) broken. I
+ # don't even think the lustre.spec can handle being called with "--target
+ # <multiple arches>". It certainly can't handle the issue where each
+ # arch has it's own kernel location.
+ # but we will do the best we can and put the plumbing in place so that
+ # this could work when the other broken bits are fixed.
+ # in reality, our current use of lbuild only ever has a single arch in
+ # $BUILD_ARCHS
+ local arch
+ local targets=""
+ for arch in $BUILD_ARCHS; do
+ # XXX - ok. so here's a hack that needs to be fixed properly
+ # ppc64 was merged to ppc some time ago pre 2.6.18
+ if [ $arch = ppc64 ]; then
+ arch=ppc
+ fi
+ targets="--target $arch $targets"
+ # copy our .config into the RPM build tree
+ (echo "# $(basearch $arch)"; cat $CONFIG_FILE) > \
+ SOURCES/kernel-2.6.18-$arch.config
+
+ # XXX - hackity hack -- until we get (or generate from the base
+ # config) configs for xen and debug
+ local f=""
+ for f in SOURCES/kernel-${lnxmaj}-*.config; do
+ grep -q "^CONFIG_SD_IOSTATS=y" $f || \
+ echo "CONFIG_SD_IOSTATS=y" >> $f
+ done
+ done
+
+ # do we need any special rpm build options
+ local rpmbuildopt="-bb"
+ if $DO_SRC; then
+ rpmbuildopt="-ba"
+ fi
+ # stupid Ubuntu's rpm doesn't do debuginfo properly
+ if [ ! -f /usr/lib/rpm/debugedit ]; then
+ rpmbuildopt="$rpmbuildopt --without debuginfo"
+ fi
+
+ # XXX - need to figure this kabichk crap out -- it fails the build
+ rpmbuildopt="$rpmbuildopt --without kabichk"
+
+ # now build it
+ if ! $RPMBUILD $rpmbuildopt $targets --with baseonly \
+ --define "_topdir $TOPDIR" \
+ $TOPDIR/SPECS/kernel-2.6.spec >&2; then
+ fatal 1 "Failed to build kernel RPM"
+ fi
+
+}
+
+devel_kernel_name() {
+ local lustre=${1:-false}
+
+ if $lustre; then
+ echo "kernel-lustre-$DEVEL_KERNEL_TYPE"
+ else
+ echo "kernel-$DEVEL_KERNEL_TYPE"
+ fi
+
+}
+
+rpm_BUILD_kernel_dirname() {
+ local rpmsmptype="$1"
+ local lnxmaj="$2"
+ local lnxmin="$3"
+ local arch="$4"
+
+ local lustre=""
+ if $KERNEL_LUSTRE_NAMING; then
+ $lustre="-lustre"
+ fi
+ echo kernel${lustre}${lnxmaj}${lnxmin}/linux-${lnxmaj}.$arch
+}