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
7 BUILD_GEN=3 # bz19975 enable the building of src.rpms by default
9 DEVEL_KERNEL_TYPE="devel"
11 prepare_and_build_srpm() {
13 pushd $TOPDIR >/dev/null
15 read GCC_VER < <($CC --version)
16 GCC_VER=${GCC_VER##* }
17 if [[ $GCC_VER = 4.3* ]]; then
18 # add the gcc 4.3 kernel build fix patch to it
19 cat <<"EOF" >> $TOPDIR/SOURCES/linux-${lnxmaj}-lustre.patch
20 diff -urp linux-2.6.18.rawops/Makefile linux-2.6.18.races/Makefile
21 --- linux-2.6.18.rawops/Makefile 2007-02-08 19:00:31.000000000 +0200
22 +++ linux-2.6.18.rawops/Makefile 2007-02-14 19:23:49.000000000 +0200
23 @@ -506,6 +506,9 @@ KBUILD_CFLAGS += $(call cc-option,-Wdeclaration-after-statement,)
24 # disable pointer signed / unsigned warnings in gcc 4.0
25 CFLAGS += $(call cc-option,-Wno-pointer-sign,)
27 +# workaround to avoid gcc 4.3 emitting libgcc calls (see gcc bug #32044)
28 +CFLAGS += $(call cc-option,-fno-tree-scev-cprop,)
30 # Default kernel image to build when no specific target is given.
31 # KBUILD_IMAGE may be overruled on the command line or
32 # set in the environment
37 local buildid="_lustre${EXTRA_VERSION##*_lustre}"
39 # edit the SPEC with our changes
40 sed -i -e 's/^\(%define signmodules \).*/\10/' \
41 -e "s/^#% \(define buildid\).*/%\1 ${buildid}/" \
42 -e '/-e $RPM_SOURCE_DIR\/kabi_whitelist_/i\
43 rm -f $RPM_SOURCE_DIR/kabi_whitelist_%{_target_cpu}$Flavour' \
44 -e '/_sourcedir\/kabitool -b \./a\
45 cp $RPM_BUILD_ROOT/kabi_whitelist $RPM_SOURCE_DIR/kabi_whitelist_%{_target_cpu}$Flavour' \
46 -e '/^# empty final patch file to facilitate testing of kernel patches/i\
47 # adds Lustre patches\
48 Patch99995: linux-%{kversion}-lustre.patch' \
49 -e '/^# conditionally applied test patch for debugging convenience/i\
53 -e '/^%prep$/,/^# END OF PATCH APPLICATIONS$/s/kernel-%{kversion}/%{name}-%{kversion}/g' \
54 -e '/find $RPM_BUILD_ROOT\/lib\/modules\/$KernelVer/a\
55 cp -a fs/ext3/* $RPM_BUILD_ROOT/lib/modules/$KernelVer/build/fs/ext3 \
56 cp -a fs/ext4/* $RPM_BUILD_ROOT/lib/modules/$KernelVer/build/fs/ext4' \
59 if $KERNEL_LUSTRE_NAMING; then
60 # these are all of the changes needed because we change the package names
61 # to kernel-lustre-*. these should all go away when we stop this insanity
62 sed -i -e 's/^\(Name:.*kernel\)/\1-lustre/' \
63 -e '/^Provides: glibc-kernheaders = /a\
64 Provides: kernel-headers = %{rpmversion}-%{release}
65 Obsoletes: kernel-headers
67 -e '/^Provides: kernel-%{_target_cpu} = %{rpmversion}-%{release}$/a\
68 Provides: kernel = %{rpmversion}-%{release}
70 -e '/^Provides: kernel-devel-%{_target_cpu} = %{rpmversion}-%{release}$/a\
71 Provides: kernel-devel = %{rpmversion}-%{release}
72 Obsoletes: kernel-devel
74 -e '/^Provides: %{name}-debuginfo-common-%{_target_cpu} = %{KVERREL}$/a\
75 Provides: kernel-debuginfo-common = %{KVERREL}
76 Obsoletes: kernel-debuginfo-common
78 -e '/^Provides: %{name}-debuginfo-%{_target_cpu} = %{KVERREL}$/a\
79 Provides: kernel-debuginfo = %{KVERREL}
80 Obsoletes: kernel-debuginfo
85 # XXX - a building-on-Ubuntu hack
86 if grep -q "Ubuntu" /etc/issue; then
87 sed -i -e 's/^\(BuildPreReq: .*\)$/#NOU \1/g' \
88 -e 's/^\(BuildRequires: .*\)$/#NOU \1/g' \
92 # finally, work around RH bug 491775, if needed
93 if ! grep -q "cp -a asm-x86_64 \$RPM_BUILD_ROOT/lib/modules/\$KernelVer/build/include" \
94 SPECS/kernel-2.6.spec; then
95 # XXX - i wonder if we will need to do this ad-hoc patching enough to
96 # formalize a patching system. let's assume not for the time
98 patch -s -p0 <<"EOF" || fatal 1 "Error while patching SPECS/kernel-2.6.spec"
99 --- SPECS/kernel-2.6.spec.dist 2009-03-23 20:30:55.000000000 -0400
100 +++ SPECS/kernel-2.6.spec 2009-03-23 20:37:03.000000000 -0400
101 @@ -6961,6 +6961,10 @@
103 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
104 cp -a `readlink asm` $RPM_BUILD_ROOT/lib/modules/$KernelVer/build/include
105 + if [ "$Arch" = "i386" ]; then
106 + mkdir -p $RPM_BUILD_ROOT/lib/modules/$KernelVer/build/include/asm-x86_64
107 + cp -a asm-x86_64/{stacktrace,k8,pci-direct}.h $RPM_BUILD_ROOT/lib/modules/$KernelVer/build/include/asm-x86_64
109 if [ "$Arch" = "x86_64" ]; then
110 cp -a asm-i386 $RPM_BUILD_ROOT/lib/modules/$KernelVer/build/include
117 # this concept of being able to build a list of targets with a single
118 # lbuild is a fine idea, but in reality I think it's (very) broken. I
119 # don't even think the lustre.spec can handle being called with "--target
120 # <multiple arches>". It certainly can't handle the issue where each
121 # arch has it's own kernel location.
122 # but we will do the best we can and put the plumbing in place so that
123 # this could work when the other broken bits are fixed.
124 # in reality, our current use of lbuild only ever has a single arch in
128 for arch in $BUILD_ARCHS; do
129 # XXX - ok. so here's a hack that needs to be fixed properly
130 # ppc64 was merged to ppc some time ago pre 2.6.18
131 if [ $arch = ppc64 ]; then
134 targets="--target $arch $targets"
135 # copy our .config into the RPM build tree
136 (echo "# $(basearch $arch)"; cat $CONFIG_FILE) > \
137 SOURCES/kernel-2.6.18-$arch.config
139 # XXX - hackity hack -- until we get (or generate from the base
140 # config) configs for xen and debug
142 for f in SOURCES/kernel-${lnxmaj}-*.config; do
143 grep -q "^CONFIG_SD_IOSTATS=y" $f || \
144 echo "CONFIG_SD_IOSTATS=y" >> $f
148 # do we need any special rpm build options
149 local rpmbuildopt="-bb"
153 # stupid Ubuntu's rpm doesn't do debuginfo properly
154 if [ ! -f /usr/lib/rpm/debugedit ]; then
155 rpmbuildopt="$rpmbuildopt --without debuginfo"
158 # XXX - need to figure this kabichk crap out -- it fails the build
159 rpmbuildopt="$rpmbuildopt --without kabichk"
162 if ! $RPMBUILD $rpmbuildopt $targets --with baseonly \
163 --define "_topdir $TOPDIR" \
164 $TOPDIR/SPECS/kernel-2.6.spec >&2; then
165 fatal 1 "Failed to build kernel RPM"
170 devel_kernel_name() {
171 local lustre=${1:-false}
174 echo "kernel-lustre-$DEVEL_KERNEL_TYPE"
176 echo "kernel-$DEVEL_KERNEL_TYPE"
181 rpm_BUILD_kernel_dirname() {
182 local rpmsmptype="$1"
188 if $KERNEL_LUSTRE_NAMING; then
191 echo kernel${lustre}${lnxmaj}${lnxmin}/linux-${lnxmaj}.$arch