app-crypt/libb2: Enable multilib support (needed for libarchive)

Signed-off-by: Michał Górny <mgorny@gentoo.org>

diff --git a/app-crypt/libb2/libb2-0.98.1-r2.ebuild b/app-crypt/libb2/libb2-0.98.1-r2.ebuild
new file mode 100644 (file)
index 0000000..5473f61
--- /dev/null
+++ b/app-crypt/libb2/libb2-0.98.1-r2.ebuild
@@ -0,0 +1,68 @@
+# Copyright 1999-2019 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit autotools multilib-minimal toolchain-funcs
+
+DESCRIPTION="C library providing BLAKE2b, BLAKE2s, BLAKE2bp, BLAKE2sp"
+HOMEPAGE="https://github.com/BLAKE2/libb2"
+GITHASH="73d41c8255a991ed2adea41c108b388d9d14b449"
+SRC_URI="https://github.com/BLAKE2/libb2/archive/${GITHASH}.tar.gz -> ${P}.tar.gz"
+
+LICENSE="CC0-1.0"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sh ~sparc ~x86 ~x64-cygwin ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
+IUSE="static-libs native-cflags openmp"
+
+DEPEND="
+       openmp? (
+               || ( >=sys-devel/gcc-4.2:*[openmp] sys-devel/clang-runtime:*[openmp] )
+       )
+"
+RDEPEND="${DEPEND}"
+
+S=${WORKDIR}/${PN}-${GITHASH}
+
+pkg_setup() {
+       if [[ ${MERGE_TYPE} != "binary" ]] && use openmp && ! tc-has-openmp; then
+               ewarn "You are using a compiler without OpenMP support"
+               die "Need an OpenMP capable compiler"
+       fi
+}
+
+src_prepare() {
+       default
+       # fix bashism
+       sed -i -e 's/ == / = /' configure.ac || die
+       # https://github.com/BLAKE2/libb2/pull/28
+       echo 'libb2_la_LDFLAGS = -no-undefined' >> src/Makefile.am || die
+       eautoreconf  # upstream doesn't make releases
+}
+
+multilib_src_configure() {
+       ECONF_SOURCE=${S} \
+       econf \
+               $(use_enable static-libs static) \
+               $(use_enable native-cflags native) \
+               $(use_enable openmp)
+}
+
+do_make() {
+       # respect our CFLAGS when native-cflags is not in effect
+       local openmp=$(use openmp && echo -fopenmp)
+       emake $(use native-cflags && echo no)CFLAGS="${CFLAGS} ${openmp}" "$@"
+}
+
+multilib_src_compile() {
+       do_make
+}
+
+multilib_src_test() {
+       do_make check
+}
+
+multilib_src_install_all() {
+       einstalldocs
+       find "${ED}" -name '*.la' -type f -delete || die
+}