1 files changed, 117 insertions, 0 deletions
diff --git a/packages/sys-boot/grub/grub.exlib b/packages/sys-boot/grub/grub.exlib
new file mode 100644
index 0000000..c0f63c1
--- /dev/null
+++ b/packages/sys-boot/grub/grub.exlib
@@ -0,0 +1,117 @@
+# 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 \
+    bash-completion \
+    autotools [ supported_autoconf=[ 2.5 ] supported_automake=[ 1.16 1.15 ] ]
+
+if ever is_scm ; then
+    DOWNLOADS=""
+    SCM_REPOSITORY="https://git.savannah.gnu.org/git/${PN}.git"
+    require scm-git
+fi
+
+export_exlib_phases pkg_setup src_configure src_prepare 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 for EFI platform ] ]]
+    grub-mount    [[ description = [ FUSE driver for filesystems that GRUB understands ] ]]
+    mkfont        [[ description = [ Build grub-mkfont which can create GRUB font files ] ]]
+    ( providers: eudev systemd ) [[ number-selected = exactly-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
+        )
+    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
+}
+
+grub_src_configure() {
+    filter-flags -mfloat-abi=hard
+
+    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
+        --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
+    )
+
+    option efi && myconf+=( '--with-platform=efi' )
+
+    econf "${myconf[@]}" \
+        $(option_enable device-mapper) \
+        $(option_enable grub-mount) \
+        $(option_enable mkfont grub-mkfont)
+}
+
+grub_src_install() {
+    default
+
+    dodoc "${WORK}"/docs/grub.cfg
+
+    edo rm -f "${IMAGE}"/usr/$(exhost --target)/lib/charset.alias
+
+    edo rm "${IMAGE%/}"/etc/bash_completion.d/${PN}
+    edo rmdir "${IMAGE%/}"/etc/bash_completion.d/
+    dobashcompletion "${WORK%/}"/util/bash-completion.d/${PN}
+}
+