summaryrefslogtreecommitdiff
path: root/packages/sys-boot/grub/grub.exlib
blob: 3ed4f91867b81bf33812a89486d0a33f913a73f1 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
# Copyright 2007 Bryan Østergaard <bryan.ostergaard@gmail.com>
# Distributed under the terms of the GNU General Public License v2

require gnu [ suffix=tar.xz ] \
    flag-o-matic \
    autotools [ supported_autoconf=[ 2.5 ] supported_automake=[ 1.16 1.15 ] ]

export_exlib_phases pkg_setup src_prepare src_configure src_compile src_install

SUMMARY="GRUB (Grand Unified Boot) bootloader"

LICENCES="GPL-3"
MYOPTIONS="
    device-mapper [[ description = [ Ability to detect and use device-mapper devices ] ]]
    efi           [[ description = [ Build EFI platform support ] ]]
    grub-mount    [[ description = [ FUSE driver for filesystems that GRUB understands ] ]]
    mkfont        [[ description = [ Build grub-mkfont which can create GRUB font files ] ]]
    pc            [[ description = [ Build PC platform support ] ]]
    themes        [[ description = [ Build and install GRUB themes (starfield) ] ]]
    ( providers: eudev systemd ) [[ number-selected = exactly-one ]]
    ( efi pc ) [[ number-selected = at-least-one ]]
"

# TODO: needs qemu-system-i386
RESTRICT="test"

DEPENDENCIES="
    build:
        sys-apps/help2man [[ note = [ man pages won't get created otherwise resulting in empty man dirs ] ]]
        sys-devel/bison
        sys-devel/flex[>=2.5.35]
        sys-devel/make
        device-mapper? ( sys-fs/lvm2 )
        grub-mount? ( sys-fs/fuse:0 )
        mkfont? (
            fonts/unifont
            media-libs/freetype:2
        )
        themes? ( fonts/dejavu )
    build+run:
        app-arch/xz
        sys-devel/gettext [[ note = [ required for grub-mkconfig, grep gettext in /etc/grub.d ] ]]
        !sys-boot/grub-static [[ description = [ /sbin/grub-install collides ] resolution = manual ]]
        providers:eudev? ( sys-apps/eudev )
        providers:systemd? ( sys-apps/systemd )
    run:
        efi? ( sys-boot/efibootmgr )
    suggestion:
        sys-boot/os-prober [[
            description = [ Ability to add other OSs automatically to grub.cfg via grub-mkconf ]
        ]]
"

AT_M4DIR=( m4 )

grub_pkg_setup() {
    # grub2 should be compiled with -Os, other optimizations may result in oversized core images
    replace-flags -O* -Os
    # retpoline flag is incompatible with the -mcmodel=large flag used by grub
    filter-flags -mindirect-branch=thunk
}

grub_src_prepare() {
    edo sed \
        -e "s/.*Running autoreconf.*/exit 0/" \
        -i autogen.sh

    edo ./autogen.sh

    autotools_src_prepare

    if option mkfont; then
        edo cp -ax "${ROOT}"/usr/share/fonts/X11/unifont/unifont.pcf.gz unifont.pcf.gz
        edo gzip -d unifont.pcf.gz
    fi

    if option themes; then
        edo cp -ax "${ROOT}"/usr/share/fonts/X11/dejavu/DejaVuSans.ttf DejaVuSans.ttf
    fi
}


grub_src_multibuild_prepare() {
    if option efi; then
        edo cp -ax "${WORK}" "${WORK}"-efi
    fi

    if option pc; then
        edo cp -ax "${WORK}" "${WORK}"-pc
    fi
}


grub_src_configure() {
    filter-flags -mfloat-abi=hard
    unset CFLAGS CPPFLAGS LDFLAGS

    grub_src_multibuild_prepare

    if option efi; then
        edo pushd "${WORK}"-efi

        myconf=(
            "CPP=${CC} -E"
            BUILD_CC=$(exhost --build)-cc
            BUILD_CFLAGS="$(print-build-flags CFLAGS)"
            BUILD_CPPFLAGS="$(print-build-flags CPPFLAGS)"
            BUILD_LDFLAGS="$(print-build-flags LDFLAGS)"
            --with-bootdir=/boot
            --with-grubdir=grub
            --with-platform=efi
            --enable-cache-stats
            --disable-libzfs
            --disable-werror
            # TODO: for now disable emulation utils
            --disable-efiemu
            --disable-grub-emu-sdl
            --disable-grub-emu-pci
            --disable-mm-debug
            gt_cv_func_gnugettext{1,2}_libc=yes
        )

        econf "${myconf[@]}" \
            $(option_enable device-mapper) \
            $(option_enable grub-mount) \
            $(option_enable mkfont grub-mkfont) \
            $(option_enable themes grub-themes)
    fi

    if option pc; then
        edo pushd "${WORK}"-pc

        myconf=(
            "CPP=${CC} -E"
            BUILD_CC=$(exhost --build)-cc
            BUILD_CFLAGS="$(print-build-flags CFLAGS)"
            BUILD_CPPFLAGS="$(print-build-flags CPPFLAGS)"
            BUILD_LDFLAGS="$(print-build-flags LDFLAGS)"
            --with-bootdir=/boot
            --with-grubdir=grub
            --with-platform=pc
            --enable-cache-stats
            --disable-libzfs
            --disable-werror
            # TODO: for now disable emulation utils
            --disable-efiemu
            --disable-grub-emu-sdl
            --disable-grub-emu-pci
            --disable-mm-debug
            gt_cv_func_gnugettext{1,2}_libc=yes
        )

        econf "${myconf[@]}" \
            $(option_enable device-mapper) \
            $(option_enable grub-mount) \
            $(option_enable mkfont grub-mkfont) \
            $(option_enable themes grub-themes)
    fi
}

grub_src_compile() {
    if option efi; then
        edo pushd "${WORK}"-efi
        emake
    fi

    if option pc; then
        edo pushd "${WORK}"-pc
        emake
    fi
}

grub_src_install() {
    if option efi; then
        edo pushd "${WORK}"-efi
        emake DESTDIR="${IMAGE}" install
        edo rm -rf "${WORK}"-efi
    fi

    if option pc; then
        edo pushd "${WORK}"-pc
        emake DESTDIR="${IMAGE}" install
        edo rm -rf "${WORK}"-pc
    fi

    dodoc "${WORK}"/docs/grub.cfg

    edo rm -f "${IMAGE}"/usr/$(exhost --target)/lib/charset.alias

    edo rm "${IMAGE%/}"/etc/bash_completion.d/${PN}
    edo rmdir "${IMAGE%/}"/etc/bash_completion.d/
}