1 files changed, 72 insertions, 0 deletions
diff --git a/dev-libs/libsecp256k1/libsecp256k1-0.3.1.ebuild b/dev-libs/libsecp256k1/libsecp256k1-0.3.1.ebuild
new file mode 100644
index 000000000000..41fde96356df
--- /dev/null
+++ b/dev-libs/libsecp256k1/libsecp256k1-0.3.1.ebuild
@@ -0,0 +1,72 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit autotools
+
+MyPN=secp256k1
+DESCRIPTION="Optimized C library for EC operations on curve secp256k1"
+HOMEPAGE="https://github.com/bitcoin-core/secp256k1"
+SRC_URI="https://github.com/bitcoin-core/secp256k1/archive/v${PV}.tar.gz -> ${P}.tar.gz"
+
+LICENSE="MIT"
+SLOT="0/2"  # subslot is "$((_LIB_VERSION_CURRENT-_LIB_VERSION_AGE))" from configure.ac
+KEYWORDS="~amd64 ~arm ~arm64 ~mips ~ppc ~ppc64 ~x86 ~amd64-linux ~x86-linux"
+IUSE="+asm +ecdh experimental +extrakeys lowmem +recovery +schnorr test valgrind"
+RESTRICT="!test? ( test )"
+
+REQUIRED_USE="
+	asm? ( || ( amd64 arm ) arm? ( experimental ) )
+	schnorr? ( extrakeys )
+"
+BDEPEND="
+	sys-devel/autoconf-archive
+	virtual/pkgconfig
+	valgrind? ( dev-util/valgrind )
+"
+
+PATCHES=(
+	"${FILESDIR}/0.2.0-fix-cross-compile.patch"
+)
+
+S="${WORKDIR}/${MyPN}-${PV}"
+
+src_prepare() {
+	default
+	eautoreconf
+
+	# Generate during build
+	rm -f src/precomputed_ecmult.c src/precomputed_ecmult_gen.c || die
+}
+
+src_configure() {
+	local myeconfargs=(
+		--disable-benchmark
+		$(use_enable experimental)
+		$(use_enable test tests)
+		$(use_enable test exhaustive-tests)
+		$(use_enable {,module-}ecdh)
+		$(use_enable {,module-}extrakeys)
+		$(use_enable {,module-}recovery)
+		$(use_enable schnorr module-schnorrsig)
+		$(usev lowmem '--with-ecmult-window=4 --with-ecmult-gen-precision=2')
+		$(use_with valgrind)
+	)
+	if use asm; then
+		if use arm; then
+			myeconfargs+=( --with-asm=arm )
+		else
+			myeconfargs+=( --with-asm=auto )
+		fi
+	else
+		myeconfargs+=( --with-asm=no )
+	fi
+
+	econf "${myeconfargs[@]}"
+}
+
+src_install() {
+	default
+	find "${ED}" -name '*.la' -delete || die
+}