# Copyright 1999-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=6

inherit eutils linux-info mono-env flag-o-matic pax-utils versionator multilib-minimal

DESCRIPTION="Mono runtime and class libraries, a C# compiler/interpreter"
HOMEPAGE="https://www.mono-project.com/Main_Page"
SRC_URI="https://download.mono-project.com/sources/${PN}/${P}.tar.bz2"

LICENSE="MIT LGPL-2.1 GPL-2 BSD-4 NPL-1.1 Ms-PL GPL-2-with-linking-exception IDPL"
SLOT="0"

KEYWORDS="amd64 ppc ~ppc64 x86 ~amd64-linux"

IUSE="nls minimal pax_kernel xen doc"

COMMONDEPEND="
	!minimal? ( >=dev-dotnet/libgdiplus-2.10 )
	ia64? ( sys-libs/libunwind )
	nls? ( sys-devel/gettext )
"
RDEPEND="${COMMONDEPEND}
	|| ( www-client/links www-client/lynx )
"
DEPEND="${COMMONDEPEND}
	sys-devel/bc
	virtual/yacc
	pax_kernel? ( sys-apps/elfix )
"

S="${WORKDIR}/${PN}-$(get_version_component_range 1-3)"

pkg_pretend() {
	# https://github.com/gentoo/gentoo/blob/f200e625bda8de696a28338318c9005b69e34710/eclass/linux-info.eclass#L686
	# If CONFIG_SYSVIPC is not set in your kernel .config, mono will hang while compiling.
	# See http://bugs.gentoo.org/261869 for more info."
	CONFIG_CHECK="SYSVIPC"
	use kernel_linux && check_extra_config
}

pkg_setup() {
	linux-info_pkg_setup
	mono-env_pkg_setup
}

src_prepare() {
	# we need to sed in the paxctl-ng -mr in the runtime/mono-wrapper.in so it don't
	# get killed in the build proces when MPROTECT is enable. #286280
	# RANDMMAP kill the build proces to #347365
	# use paxmark.sh to get PT/XT logic #532244
	if use pax_kernel ; then
		ewarn "We are disabling MPROTECT on the mono binary."

		# issue 9 : https://github.com/Heather/gentoo-dotnet/issues/9
		sed '/exec "/ i\paxmark.sh -mr "$r/@mono_runtime@"' -i "${S}"/runtime/mono-wrapper.in || die "Failed to sed mono-wrapper.in"
	fi

	# mono build system can fail otherwise
	strip-flags

	# Fix VB targets
	# http://osdir.com/ml/general/2015-05/msg20808.html
	#eapply "${FILESDIR}/add_missing_vb_portable_targets.patch"

	# Fix build when sgen disabled
	# https://bugzilla.xamarin.com/show_bug.cgi?id=32015
	#eapply "${FILESDIR}/${PN}-4.0.2.5-fix-mono-dis-makefile-am-when-without-sgen.patch"

	# TODO: update patch
	# Fix atomic_add_i4 support for 32-bit ppc
	# https://github.com/mono/mono/compare/f967c79926900343f399c75624deedaba460e544^...8f379f0c8f98493180b508b9e68b9aa76c0c5bdf
	#epatch "${FILESDIR}/${PN}-4.0.2.5-fix-ppc-atomic-add-i4.patch"

	# TODO: update patch
	#epatch "${FILESDIR}/systemweb3.patch"
	#epatch "${FILESDIR}/fix-for-GitExtensions-issue-2710-another-resolution.patch"
	#epatch "${FILESDIR}/fix-for-bug36724.patch"

	epatch "${FILESDIR}/${P}-x86_32.patch"

	default
	#eapply_user
	multilib_copy_sources
}

multilib_src_configure() {
	local myeconfargs=(
		$(use_with xen xen_opt)
		--without-ikvm-native
		--disable-dtrace
		$(use_with doc mcs-docs)
		$(use_enable nls)
	)

	econf "${myeconfargs[@]}"
}

multilib_src_test() {
	cd mcs/tests || die
	emake check
}

multilib_src_install() {
	default_src_install

	# Remove files not respecting LDFLAGS and that we are not supposed to provide, see Fedora
	# mono.spec and http://www.mail-archive.com/mono-devel-list@lists.ximian.com/msg24870.html
	# for reference.
	rm -f "${ED}"/usr/lib/mono/{2.0,4.5}/mscorlib.dll.so || die
	rm -f "${ED}"/usr/lib/mono/{2.0,4.5}/mcs.exe.so || die
}