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# Copyright 1999-2021 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=7
inherit toolchain-funcs
DESCRIPTION="SYSLINUX, PXELINUX, ISOLINUX, EXTLINUX and MEMDISK bootloaders"
HOMEPAGE="https://www.syslinux.org/"
# Final releases in 6.xx/$PV.tar.* (literal "xx")
# Testing releases in Testing/$PV/$PV.tar.*
SRC_URI_DIR=${PV:0:1}.xx
SRC_URI_TESTING=Testing/${PV:0:4}
[[ ${PV/_alpha} != $PV ]] && SRC_URI_DIR=$SRC_URI_TESTING
[[ ${PV/_beta} != $PV ]] && SRC_URI_DIR=$SRC_URI_TESTING
[[ ${PV/_pre} != $PV ]] && SRC_URI_DIR=$SRC_URI_TESTING
[[ ${PV/_rc} != $PV ]] && SRC_URI_DIR=$SRC_URI_TESTING
SRC_URI="https://www.kernel.org/pub/linux/utils/boot/syslinux/${SRC_URI_DIR}/${P/_/-}.tar.xz"
LICENSE="GPL-2"
SLOT="0"
KEYWORDS="-* amd64 x86"
IUSE="custom-cflags"
RDEPEND="sys-fs/mtools
dev-perl/Crypt-PasswdMD5
dev-perl/Digest-SHA1"
DEPEND="${RDEPEND}
dev-lang/nasm
>=sys-boot/gnu-efi-3.0u
virtual/os-headers"
S=${WORKDIR}/${P/_/-}
# This ebuild is a departure from the old way of rebuilding everything in syslinux
# This departure is necessary since hpa doesn't support the rebuilding of anything other
# than the installers.
# These are executables which come precompiled and are run by the boot loader
QA_PREBUILT="usr/share/${PN}/*.c32"
# removed all the unpack/patching stuff since we aren't rebuilding the core stuff anymore
PATCHES=(
"${FILESDIR}"/${PN}-6.03-sysmacros.patch #579928
"${FILESDIR}"/${P}-singleloadsegment.patch #662678
"${FILESDIR}"/${P}-fcommon.patch #705730
"${FILESDIR}"/${PN}-musl.patch
)
src_prepare() {
default
rm -f gethostip #bug 137081
# Don't prestrip or override user LDFLAGS, bug #305783
local SYSLINUX_MAKEFILES="extlinux/Makefile linux/Makefile mtools/Makefile \
sample/Makefile utils/Makefile"
sed -i ${SYSLINUX_MAKEFILES} -e '/^LDFLAGS/d' || die "sed failed"
if use custom-cflags; then
sed -i ${SYSLINUX_MAKEFILES} \
-e 's|-g -Os||g' \
-e 's|-Os||g' \
-e 's|CFLAGS[[:space:]]\+=|CFLAGS +=|g' \
|| die "sed custom-cflags failed"
else
QA_FLAGS_IGNORED="
/sbin/extlinux
/usr/bin/memdiskfind
/usr/bin/gethostip
/usr/bin/isohybrid
/usr/bin/syslinux
"
fi
case ${ARCH} in
amd64) loaderarch="efi64" ;;
x86) loaderarch="efi32" ;;
*) ewarn "Unsupported architecture, building installers only." ;;
esac
# building with ld.gold causes problems, bug #563364
if tc-ld-is-gold; then
ewarn "Building syslinux with the gold linker may cause problems, see bug #563364"
if [[ -z "${I_KNOW_WHAT_I_AM_DOING}" ]]; then
tc-ld-disable-gold
ewarn "set I_KNOW_WHAT_I_AM_DOING=1 to override this."
else
ewarn "Continuing anyway as requested."
fi
fi
tc-export AR CC LD OBJCOPY RANLIB
}
_emake() {
emake \
AR="${AR}" \
CC="${CC}" \
LD="${LD}" \
OBJCOPY="${OBJCOPY}" \
RANLIB="${RANLIB}" \
"$@"
}
src_compile() {
# build system abuses the LDFLAGS variable to pass arguments to ld
unset LDFLAGS
if [[ ! -z ${loaderarch} ]]; then
_emake ${loaderarch}
fi
_emake ${loaderarch} installer
}
src_install() {
# parallel install fails sometimes
einfo "loaderarch=${loaderarch}"
_emake -j1 INSTALLROOT="${D}" MANDIR=/usr/share/man bios ${loaderarch} install
dodoc README NEWS doc/*.txt
}
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