1 # vim:expandtab:shiftwidth=4:softtabstop=4:tabstop=4:
3 # increment this if you have made a change that should force a new kernel
6 BUILD_GEN=2 # bz19952: remove -lustre tag from kernel RPM names
8 DEVEL_KERNEL_TYPE="devel"
10 prepare_and_build_srpm() {
12 pushd $TOPDIR >/dev/null
14 read GCC_VER < <($CC --version)
15 GCC_VER=${GCC_VER##* }
16 if [[ $GCC_VER = 4.3* ]]; then
17 # add the gcc 4.3 kernel build fix patch to it
18 cat <<"EOF" >> $TOPDIR/SOURCES/linux-${lnxmaj}-lustre.patch
19 diff -urp linux-2.6.18.rawops/Makefile linux-2.6.18.races/Makefile
20 --- linux-2.6.18.rawops/Makefile 2007-02-08 19:00:31.000000000 +0200
21 +++ linux-2.6.18.rawops/Makefile 2007-02-14 19:23:49.000000000 +0200
22 @@ -506,6 +506,9 @@ KBUILD_CFLAGS += $(call cc-option,-Wdeclaration-after-statement,)
23 # disable pointer signed / unsigned warnings in gcc 4.0
24 CFLAGS += $(call cc-option,-Wno-pointer-sign,)
26 +# workaround to avoid gcc 4.3 emitting libgcc calls (see gcc bug #32044)
27 +CFLAGS += $(call cc-option,-fno-tree-scev-cprop,)
29 # Default kernel image to build when no specific target is given.
30 # KBUILD_IMAGE may be overruled on the command line or
31 # set in the environment
36 local buildid="_lustre${EXTRA_VERSION##*_lustre}"
38 # edit the SPEC with our changes
39 sed -i -e 's/^\(%define signmodules \).*/\10/' \
40 -e "s/^#% \(define buildid\).*/%\1 ${buildid}/" \
41 -e '/-e $RPM_SOURCE_DIR\/kabi_whitelist_/i\
42 rm -f $RPM_SOURCE_DIR/kabi_whitelist_%{_target_cpu}$Flavour' \
43 -e '/_sourcedir\/kabitool -b \./a\
44 cp $RPM_BUILD_ROOT/kabi_whitelist $RPM_SOURCE_DIR/kabi_whitelist_%{_target_cpu}$Flavour' \
45 -e '/^# empty final patch file to facilitate testing of kernel patches/i\
46 # adds Lustre patches\
47 Patch99995: linux-%{kversion}-lustre.patch' \
48 -e '/^# conditionally applied test patch for debugging convenience/i\
52 -e '/^%prep$/,/^# END OF PATCH APPLICATIONS$/s/kernel-%{kversion}/%{name}-%{kversion}/g' \
53 -e '/find $RPM_BUILD_ROOT\/lib\/modules\/$KernelVer/a\
54 cp -a fs/ext3/* $RPM_BUILD_ROOT/lib/modules/$KernelVer/build/fs/ext3' \
57 if $KERNEL_LUSTRE_NAMING; then
58 # these are all of the changes needed because we change the package names
59 # to kernel-lustre-*. these should all go away when we stop this insanity
60 sed -i -e 's/^\(Name:.*kernel\)/\1-lustre/' \
61 -e '/^Provides: glibc-kernheaders = /a\
62 Provides: kernel-headers = %{rpmversion}-%{release}
63 Obsoletes: kernel-headers
65 -e '/^Provides: kernel-%{_target_cpu} = %{rpmversion}-%{release}$/a\
66 Provides: kernel = %{rpmversion}-%{release}
68 -e '/^Provides: kernel-devel-%{_target_cpu} = %{rpmversion}-%{release}$/a\
69 Provides: kernel-devel = %{rpmversion}-%{release}
70 Obsoletes: kernel-devel
72 -e '/^Provides: %{name}-debuginfo-common-%{_target_cpu} = %{KVERREL}$/a\
73 Provides: kernel-debuginfo-common = %{KVERREL}
74 Obsoletes: kernel-debuginfo-common
76 -e '/^Provides: %{name}-debuginfo-%{_target_cpu} = %{KVERREL}$/a\
77 Provides: kernel-debuginfo = %{KVERREL}
78 Obsoletes: kernel-debuginfo
83 # XXX - a building-on-Ubuntu hack
84 if grep -q "Ubuntu" /etc/issue; then
85 sed -i -e 's/^\(BuildPreReq: .*\)$/#NOU \1/g' \
86 -e 's/^\(BuildRequires: .*\)$/#NOU \1/g' \
90 # finally, work around RH bug 491775
91 # XXX - i wonder if we will need to do this enough to formalize a
92 # patching system. let's assume not for the time being.
94 --- SPECS/kernel-2.6.spec.dist 2009-03-23 20:30:55.000000000 -0400
95 +++ SPECS/kernel-2.6.spec 2009-03-23 20:37:03.000000000 -0400
96 @@ -6961,6 +6961,10 @@
98 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
99 cp -a `readlink asm` $RPM_BUILD_ROOT/lib/modules/$KernelVer/build/include
100 + if [ "$Arch" = "i386" ]; then
101 + mkdir -p $RPM_BUILD_ROOT/lib/modules/$KernelVer/build/include/asm-x86_64
102 + cp -a asm-x86_64/{stacktrace,k8,pci-direct}.h $RPM_BUILD_ROOT/lib/modules/$KernelVer/build/include/asm-x86_64
104 if [ "$Arch" = "x86_64" ]; then
105 cp -a asm-i386 $RPM_BUILD_ROOT/lib/modules/$KernelVer/build/include
111 # this concept of being able to build a list of targets with a single
112 # lbuild is a fine idea, but in reality I think it's (very) broken. I
113 # don't even think the lustre.spec can handle being called with "--target
114 # <multiple arches>". It certainly can't handle the issue where each
115 # arch has it's own kernel location.
116 # but we will do the best we can and put the plumbing in place so that
117 # this could work when the other broken bits are fixed.
118 # in reality, our current use of lbuild only ever has a single arch in
122 for arch in $BUILD_ARCHS; do
123 # XXX - ok. so here's a hack that needs to be fixed properly
124 # ppc64 was merged to ppc some time ago pre 2.6.18
125 if [ $arch = ppc64 ]; then
128 targets="--target $arch $targets"
129 # copy our .config into the RPM build tree
130 (echo "# $(basearch $arch)"; cat $CONFIG_FILE) > \
131 SOURCES/kernel-2.6.18-$arch.config
133 # XXX - hackity hack -- until we get (or generate from the base
134 # config) configs for xen and debug
136 for f in SOURCES/kernel-${lnxmaj}-*.config; do
137 grep -q "^CONFIG_SD_IOSTATS=y" $f || \
138 echo "CONFIG_SD_IOSTATS=y" >> $f
142 # do we need any special rpm build options
143 local rpmbuildopt="-bb"
147 # stupid Ubuntu's rpm doesn't do debuginfo properly
148 if [ ! -f /usr/lib/rpm/debugedit ]; then
149 rpmbuildopt="$rpmbuildopt --without debuginfo"
152 # XXX - need to figure this kabichk crap out -- it fails the build
153 rpmbuildopt="$rpmbuildopt --without kabichk"
156 if ! $RPMBUILD $rpmbuildopt $targets --with baseonly \
157 --define "_topdir $TOPDIR" \
158 $TOPDIR/SPECS/kernel-2.6.spec >&2; then
159 fatal 1 "Failed to build kernel RPM"
164 devel_kernel_name() {
165 local lustre=${1:-false}
168 echo "kernel-lustre-$DEVEL_KERNEL_TYPE"
170 echo "kernel-$DEVEL_KERNEL_TYPE"
175 rpm_BUILD_kernel_dirname() {
176 local rpmsmptype="$1"
182 if $KERNEL_LUSTRE_NAMING; then
185 echo kernel${lustre}${lnxmaj}${lnxmin}/linux-${lnxmaj}.$arch