gentoo-overlay/dev-libs/libffi/libffi-3.3-r1.ebuild

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

EAPI=7
inherit multilib multilib-minimal toolchain-funcs

MY_PV=${PV/_rc/-rc}
MY_P=${PN}-${MY_PV}

DESCRIPTION="a portable, high level programming interface to various calling conventions"
HOMEPAGE="https://sourceware.org/libffi/"
SRC_URI="https://github.com/libffi/libffi/releases/download/v${MY_PV}/${MY_P}.tar.gz"

LICENSE="MIT"
SLOT="0/7" # SONAME=libffi.so.7
KEYWORDS="~alpha amd64 arm arm64 hppa ~ia64 ~m68k ~mips ppc ppc64 ~riscv s390 sparc x86 ~ppc-aix ~x64-cygwin ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~m68k-mint ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
IUSE="debug pax_kernel static-libs test test-bhaible"

RESTRICT="!test? ( test )"

RDEPEND=""
DEPEND=""
BDEPEND="test? ( dev-util/dejagnu )"

DOCS="ChangeLog* README.md"

PATCHES=(
	"${FILESDIR}"/${PN}-3.2.1-o-tmpfile-eacces.patch #529044
	"${FILESDIR}"/${PN}-3.3_rc0-ppc-macos-go.patch
	"${FILESDIR}"/${PN}-3.3-power7.patch
	"${FILESDIR}"/${PN}-3.3-power7-memcpy.patch
	"${FILESDIR}"/${PN}-3.3-power7-memcpy-2.patch
)

S=${WORKDIR}/${MY_P}

ECONF_SOURCE=${S}

pkg_setup() {
	# Check for orphaned libffi, see https://bugs.gentoo.org/354903 for example
	if [[ ${ROOT} == "/" && ${EPREFIX} == "" ]] && ! has_version ${CATEGORY}/${PN}; then
		local base="${T}"/conftest
		echo 'int main() { }' > "${base}".c
		$(tc-getCC) -o "${base}" "${base}".c -lffi >&/dev/null
		if [ $? -eq 0 ]; then
			eerror "The linker reported linking against -lffi to be working while it shouldn't have."
			eerror "This is wrong and you should find and delete the old copy of libffi before continuing."
			die "The system is in inconsistent state with unknown libffi installed."
		fi
	fi
}

src_prepare() {
	default

	if ! use test-bhaible; then
		# These tests are very heavyweight (hours of runtime)
		rm -v testsuite/libffi.bhaible/bhaible.exp || die
	fi
}

multilib_src_configure() {
	use userland_BSD && export HOST="${CHOST}"
	# --includedir= path maintains a few properties:
	# 1. have stable name across libffi versions: some packages like
	#    dev-lang/ghc or kde-frameworks/networkmanager-qt embed
	#    ${includedir} at build-time. Don't require those to be
	#    rebuilt unless SONAME changes. bug #695788
	#
	#    We use /usr/.../${PN} (instead of former /usr/.../${P}).
	#
	# 2. have ${ABI}-specific location as ffi.h is target-dependent.
	#
	#    We use /usr/$(get_libdir)/... to have ABI identifier.
	econf \
		--includedir="${EPREFIX}"/usr/$(get_libdir)/${PN}/include \
		--disable-multi-os-directory \
		$(use_enable static-libs static) \
		$(use_enable pax_kernel pax_emutramp) \
		$(use_enable debug)
}

multilib_src_install_all() {
	find "${ED}" -name "*.la" -delete || die
	einstalldocs
}