gentoo/dev-libs/libsecp256k1/libsecp256k1-0.7.0.ebuild
Fabian Groffen 2d25fad95c
*/*: drop *-linux keywords
Bug: https://bugs.gentoo.org/473598
Bug: https://bugs.gentoo.org/720224
Signed-off-by: Fabian Groffen <grobian@gentoo.org>
2025-12-19 10:51:55 +01:00

85 lines
2.3 KiB
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# Copyright 1999-2025 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
inherit cmake edo toolchain-funcs
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 -> ${P}.tar.gz"
S="${WORKDIR}/${MyPN}-${PV}"
LICENSE="MIT"
SLOT="0/6" # subslot is "$((_LIB_VERSION_CURRENT-_LIB_VERSION_AGE))" from configure.ac
KEYWORDS="amd64 arm arm64 ~ppc ~ppc64 x86"
IUSE="asm +ecdh +ellswift experimental +extrakeys lowmem musig +recovery +schnorr test test-full valgrind"
RESTRICT="!test? ( test )"
REQUIRED_USE="
asm? ( || ( amd64 arm ) arm? ( experimental ) )
musig? ( schnorr )
schnorr? ( extrakeys )
test-full? ( test )
"
BDEPEND="
>=dev-build/cmake-3.22
virtual/pkgconfig
valgrind? ( dev-debug/valgrind )
"
PATCHES=(
)
DOCS=(
README.md
doc/safegcd_implementation.md
)
src_prepare() {
cmake_src_prepare
# Generation of the precomputed tables has not been migrated to CMake.
rm -f src/precomputed_ecmult.c src/precomputed_ecmult_gen.c || die
local precompute_defines=(
# These magic numbers come from configure.ac.
-DECMULT_WINDOW_SIZE=$(usex lowmem 4 15)
-DCOMB_BLOCKS=$(usex lowmem 2 43)
-DCOMB_TEETH=$(usex lowmem 5 6)
-DVERIFY
)
tc-env_build emake -C src precompute_ecmult{,_gen} CPPFLAGS+="${precompute_defines[*]}"
edo src/precompute_ecmult
edo src/precompute_ecmult_gen
}
src_configure() {
local mycmakeargs=(
-DSECP256K1_BUILD_BENCHMARK=OFF
-DSECP256K1_EXPERIMENTAL=$(usex experimental)
-DSECP256K1_BUILD_TESTS=$(usex test)
-DSECP256K1_BUILD_EXHAUSTIVE_TESTS=$(usex test-full)
-DSECP256K1_ENABLE_MODULE_ECDH=$(usex ecdh)
-DSECP256K1_ENABLE_MODULE_ELLSWIFT=$(usex ellswift)
-DSECP256K1_ENABLE_MODULE_EXTRAKEYS=$(usex extrakeys)
-DSECP256K1_ENABLE_MODULE_MUSIG=$(usex musig)
-DSECP256K1_ENABLE_MODULE_RECOVERY=$(usex recovery)
-DSECP256K1_ENABLE_MODULE_SCHNORRSIG=$(usex schnorr)
-DSECP256K1_ASM=$(usex asm "$(usex arm arm32 AUTO)" OFF)
-DSECP256K1_VALGRIND=$(usex valgrind ON OFF)
)
use lowmem && mycmakeargs+=(
-DSECP256K1_ECMULT_WINDOW_SIZE=4
-DSECP256K1_ECMULT_GEN_KB=2
)
cmake_src_configure
}
src_install() {
use ellswift && DOCS+=( doc/ellswift.md )
use musig && DOCS+=( doc/musig.md )
cmake_src_install
}