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comparison sys-boot/grub/grub-0.97-r8.ebuild @ 91:6915f1f9ea05

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patches to grub to boot with ext4
author holger@hoho.dyndns.org
date Sat, 27 Dec 2008 15:41:47 +0100
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90:a040f798b26c 91:6915f1f9ea05
1 # Copyright 1999-2008 Gentoo Foundation
2 # Distributed under the terms of the GNU General Public License v2
3 # $Header: /var/cvsroot/gentoo-x86/sys-boot/grub/grub-0.97-r8.ebuild,v 1.1 2008/11/06 01:28:56 robbat2 Exp $
4
5 # XXX: we need to review menu.lst vs grub.conf handling. We've been converting
6 # all systems to grub.conf (and symlinking menu.lst to grub.conf), but
7 # we never updated any of the source code (it still all wants menu.lst),
8 # and there is no indication that upstream is making the transition.
9
10 inherit mount-boot eutils flag-o-matic toolchain-funcs autotools
11
12 PATCHVER="1.8" # Should match the revision ideally
13 DESCRIPTION="GNU GRUB Legacy boot loader"
14 HOMEPAGE="http://www.gnu.org/software/grub/"
15 SRC_URI="mirror://gentoo/${P}.tar.gz
16 ftp://alpha.gnu.org/gnu/${PN}/${P}.tar.gz
17 mirror://gentoo/splash.xpm.gz
18 mirror://gentoo/${P}-patches-${PATCHVER}.tar.bz2"
19
20 LICENSE="GPL-2"
21 SLOT="0"
22 KEYWORDS="~amd64 ~x86 ~x86-fbsd"
23 IUSE="custom-cflags ncurses netboot static"
24
25 DEPEND="ncurses? (
26 >=sys-libs/ncurses-5.2-r5
27 amd64? ( app-emulation/emul-linux-x86-baselibs )
28 )"
29 PROVIDE="virtual/bootloader"
30
31 src_unpack() {
32 unpack ${A}
33 cd "${S}"
34
35 # patch breaks booting for some people #111885
36 rm "${WORKDIR}"/patch/400_*
37
38 # Grub will not handle a kernel larger than EXTENDED_MEMSIZE Mb as
39 # discovered in bug 160801. We can change this, however, using larger values
40 # for this variable means that Grub needs more memory to run and boot. For a
41 # kernel of size N, Grub needs (N+1)*2. Advanced users should set a custom
42 # value in make.conf, it is possible to make kernels ~16Mb in size, but it
43 # needs the kitchen sink built-in.
44 local t="custom"
45 if [[ -z ${GRUB_MAX_KERNEL_SIZE} ]] ; then
46 case $(tc-arch) in
47 amd64) GRUB_MAX_KERNEL_SIZE=7 ;;
48 x86) GRUB_MAX_KERNEL_SIZE=3 ;;
49 esac
50 t="default"
51 fi
52 einfo "Grub will support the ${t} maximum kernel size of ${GRUB_MAX_KERNEL_SIZE} Mb (GRUB_MAX_KERNEL_SIZE)"
53
54 sed -i \
55 -e "/^#define.*EXTENDED_MEMSIZE/s,3,${GRUB_MAX_KERNEL_SIZE},g" \
56 "${S}"/grub/asmstub.c \
57 || die "Failed to hack memory size"
58
59 if [[ -n ${PATCHVER} ]] ; then
60 EPATCH_SUFFIX="patch"
61 epatch "${WORKDIR}"/patch
62 epatch "${FILESDIR}/grub-0.97-ext4extents.patch"
63 eautoreconf
64 fi
65 }
66
67 src_compile() {
68 filter-flags -fPIE #168834
69
70 use amd64 && multilib_toolchain_setup x86
71
72 unset BLOCK_SIZE #73499
73
74 ### i686-specific code in the boot loader is a bad idea; disabling to ensure
75 ### at least some compatibility if the hard drive is moved to an older or
76 ### incompatible system.
77
78 # grub-0.95 added -fno-stack-protector detection, to disable ssp for stage2,
79 # but the objcopy's (faulty) test fails if -fstack-protector is default.
80 # create a cache telling configure that objcopy is ok, and add -C to econf
81 # to make use of the cache.
82 #
83 # CFLAGS has to be undefined running econf, else -fno-stack-protector detection fails.
84 # STAGE2_CFLAGS is not allowed to be used on emake command-line, it overwrites
85 # -fno-stack-protector detected by configure, removed from netboot's emake.
86 use custom-cflags || unset CFLAGS
87
88 export grub_cv_prog_objcopy_absolute=yes #79734
89 use static && append-ldflags -static
90
91 # Per bug 216625, the emul packages do not provide .a libs for performing
92 # suitable static linking
93 if use amd64 && use static ; then
94 if [ -z "${GRUB_STATIC_PACKAGE_BUILDING}" ]; then
95 die "You must use the grub-static package if you want a static Grub on amd64!"
96 else
97 eerror "You have set GRUB_STATIC_PACKAGE_BUILDING. This"
98 eerror "is specifically intended for building the tarballs for the"
99 eerror "grub-static package via USE='static -ncurses'."
100 eerror "All bets are now off."
101 ebeep 10
102 fi
103 fi
104
105 # build the net-bootable grub first, but only if "netboot" is set
106 if use netboot ; then
107 econf \
108 --libdir=/lib \
109 --datadir=/usr/lib/grub \
110 --exec-prefix=/ \
111 --disable-auto-linux-mem-opt \
112 --enable-diskless \
113 --enable-{3c{5{03,07,09,29,95},90x},cs89x0,davicom,depca,eepro{,100}} \
114 --enable-{epic100,exos205,ni5210,lance,ne2100,ni{50,65}10,natsemi} \
115 --enable-{ne,ns8390,wd,otulip,rtl8139,sis900,sk-g16,smc9000,tiara} \
116 --enable-{tulip,via-rhine,w89c840} || die "netboot econf failed"
117
118 emake w89c840_o_CFLAGS="-O" || die "making netboot stuff"
119
120 mv -f stage2/{nbgrub,pxegrub} "${S}"/
121 mv -f stage2/stage2 stage2/stage2.netboot
122
123 make clean || die "make clean failed"
124 fi
125
126 # Now build the regular grub
127 # Note that FFS and UFS2 support are broken for now - stage1_5 files too big
128 econf \
129 --libdir=/lib \
130 --datadir=/usr/lib/grub \
131 --exec-prefix=/ \
132 --disable-auto-linux-mem-opt \
133 $(use_with ncurses curses) \
134 || die "econf failed"
135
136 # sanity check due to common failure
137 use ncurses && ! grep -qs "HAVE_LIBCURSES.*1" config.h && die "USE=ncurses but curses not found"
138
139 emake || die "making regular stuff"
140 }
141
142 src_test() {
143 # non-default block size also give false pass/fails.
144 unset BLOCK_SIZE
145 make check || die "make check failed"
146 }
147
148 src_install() {
149 emake DESTDIR="${D}" install || die
150 if use netboot ; then
151 exeinto /usr/lib/grub/${CHOST}
152 doexe nbgrub pxegrub stage2/stage2.netboot || die "netboot install"
153 fi
154
155 dodoc AUTHORS BUGS ChangeLog NEWS README THANKS TODO
156 newdoc docs/menu.lst grub.conf.sample
157 dodoc "${FILESDIR}"/grub.conf.gentoo
158 prepalldocs
159
160 [ -n "${GRUB_STATIC_PACKAGE_BUILDING}" ] && \
161 mv \
162 "${D}"/usr/share/doc/${PF} \
163 "${D}"/usr/share/doc/grub-static-${PF/grub-}
164
165 insinto /usr/share/grub
166 doins "${DISTDIR}"/splash.xpm.gz
167 }
168
169 setup_boot_dir() {
170 local boot_dir=$1
171 local dir=${boot_dir}
172
173 [[ ! -e ${dir} ]] && die "${dir} does not exist!"
174 [[ ! -L ${dir}/boot ]] && ln -s . "${dir}/boot"
175 dir="${dir}/grub"
176 if [[ ! -e ${dir} ]] ; then
177 mkdir "${dir}" || die "${dir} does not exist!"
178 fi
179
180 # change menu.lst to grub.conf
181 if [[ ! -e ${dir}/grub.conf ]] && [[ -e ${dir}/menu.lst ]] ; then
182 mv -f "${dir}"/menu.lst "${dir}"/grub.conf
183 ewarn
184 ewarn "*** IMPORTANT NOTE: menu.lst has been renamed to grub.conf"
185 ewarn
186 fi
187
188 if [[ ! -e ${dir}/menu.lst ]]; then
189 einfo "Linking from new grub.conf name to menu.lst"
190 ln -snf grub.conf "${dir}"/menu.lst
191 fi
192
193 if [[ -e ${dir}/stage2 ]] ; then
194 mv "${dir}"/stage2{,.old}
195 ewarn "*** IMPORTANT NOTE: you must run grub and install"
196 ewarn "the new version's stage1 to your MBR. Until you do,"
197 ewarn "stage1 and stage2 will still be the old version, but"
198 ewarn "later stages will be the new version, which could"
199 ewarn "cause problems such as an unbootable system."
200 ewarn "This means you must use either grub-install or perform"
201 ewarn "root/setup manually! For more help, see the handbook:"
202 ewarn "http://www.gentoo.org/doc/en/handbook/handbook-${ARCH}.xml?part=1&chap=10#grub-install-auto"
203 ebeep
204 fi
205
206 einfo "Copying files from /lib/grub, /usr/lib/grub and /usr/share/grub to ${dir}"
207 for x in \
208 "${ROOT}"/lib*/grub/*/* \
209 "${ROOT}"/usr/lib*/grub/*/* \
210 "${ROOT}"/usr/share/grub/* ; do
211 [[ -f ${x} ]] && cp -p "${x}" "${dir}"/
212 done
213
214 if [[ ! -e ${dir}/grub.conf ]] ; then
215 s="${ROOT}/usr/share/doc/${PF}/grub.conf.gentoo"
216 [[ -e "${s}" ]] && cat "${s}" >${dir}/grub.conf
217 [[ -e "${s}.gz" ]] && zcat "${s}.gz" >${dir}/grub.conf
218 [[ -e "${s}.bz2" ]] && bzcat "${s}.bz2" >${dir}/grub.conf
219 fi
220
221 # Per bug 218599, we support grub.conf.install for users that want to run a
222 # specific set of Grub setup commands rather than the default ones.
223 grub_config=${dir}/grub.conf.install
224 [[ -e ${grub_config} ]] || grub_config=${dir}/grub.conf
225 if [[ -e ${grub_config} ]] ; then
226 egrep \
227 -v '^[[:space:]]*(#|$|default|fallback|initrd|password|splashimage|timeout|title)' \
228 "${grub_config}" | \
229 /sbin/grub --batch \
230 --device-map="${dir}"/device.map \
231 > /dev/null
232 fi
233
234 # the grub default commands silently piss themselves if
235 # the default file does not exist ahead of time
236 if [[ ! -e ${dir}/default ]] ; then
237 grub-set-default --root-directory="${boot_dir}" default
238 fi
239 einfo "Grub has been installed to ${boot_dir} successfully."
240 }
241
242 pkg_postinst() {
243 if [[ -n ${DONT_MOUNT_BOOT} ]]; then
244 elog "WARNING: you have DONT_MOUNT_BOOT in effect, so you must apply"
245 elog "the following instructions for your /boot!"
246 elog "Neglecting to do so may cause your system to fail to boot!"
247 elog
248 else
249 setup_boot_dir "${ROOT}"/boot
250 # Trailing output because if this is run from pkg_postinst, it gets mixed into
251 # the other output.
252 einfo ""
253 fi
254 elog "To interactively install grub files to another device such as a USB"
255 elog "stick, just run the following and specify the directory as prompted:"
256 elog " emerge --config =${PF}"
257 elog "Alternately, you can export GRUB_ALT_INSTALLDIR=/path/to/use to tell"
258 elog "grub where to install in a non-interactive way."
259
260 }
261
262 pkg_config() {
263 local dir
264 if [ ! -d "${GRUB_ALT_INSTALLDIR}" ]; then
265 einfo "Enter the directory where you want to setup grub:"
266 read dir
267 else
268 dir="${GRUB_ALT_INSTALLDIR}"
269 fi
270 setup_boot_dir "${dir}"
271 }