dev-cpp/abseil-cpp: add 20210324.2

Signed-off-by: Georgy Yakovlev <gyakovlev@gentoo.org>

dev-cpp/abseil-cpp/Manifest

@@ -1,4 +1,5 @@
 DIST abseil-cpp-20200225.2.tar.gz 1679650 BLAKE2B bbadb2b86fd390f51322e687526c72a3b13caff6391974462a1146cc563616ce479330336a489a71e27b143e7cbea6695fc12c91fb721185a5116b3a6c5506b1 SHA512 75a607dee825e83c10dcd5e509515461f1b12c4aca861e4739ac4d41357b8e893dbfbe33873aa5c05463dde0891dedd7535af2ec59f173de29488e1b1321b335
 DIST abseil-cpp-20200923.3.tar.gz 1783980 BLAKE2B 66d46fd6aafe0bf0d3fccd8a4e0a72fb0545a405d9c92d36ffcb1cf791b6d0eb85fd55218f740ba34c05c7bc952ad1aeaa367963b1f540f03a4f510fd02cd6d5 SHA512 7d9e2bc001a397b983afe1e5ca4d779bd27d0d30fad7f44e564a675e228f2fc29c203ef89dd1b0ff4a1832c6d99ae7627c9103a0daa6cccb426472528109ef85
 DIST abseil-cpp-20210324.1.tar.gz 1774134 BLAKE2B 8dd42b3d60a38995eeeeb72ba8aaa367c3caff118d88069dba9df24b155318ffd6c4e289c263346899bf7fc0bf6e8332380407a8a93c77f8cade0e8e74743b84 SHA512 fe593ed98eeea5461abca95ebb9dd3f7e8eedaa15e009f776945fdbb6ed489c61966611c1c72558d2ccdd541b952a345e51885d522ff29542cbcc837cf565866
+DIST abseil-cpp-20210324.2.tar.gz 1774172 BLAKE2B f33ebe830bcece41d76c4de8f514e32a2515be8a78b6cc7a8877ba72284be62649e345dea224976e78e8dcf7fd957e249c92f7c89e92ae44e984fe294df711fc SHA512 7b935f0f2787a81438f30072f2191138ce3c099e4b22addfbe8ebe579d906604bc6ab03f054d3d6917a08ef5cb7a4371c1a501a7dfbc15c50301261dbf5f6e27
 DIST gtest-1.10.0_p20200702.tar.gz 866900 BLAKE2B c162d47868583ba270675abe5df935b8f4b9a9c00dbdc80dd88afa7f2b98266640b32b2ea5e8f9f6d6227196b5d2f79dbfda4e9585106224e814cc1503cf777d SHA512 715d887b59b47d4691c7c90ef0cf0ffc3d1e758e500263c76b50fd506e90a9d1c390af745933cfe3f55e1edac5d72dccedef3cb9a50b71a5b796424471a3017b

dev-cpp/abseil-cpp/abseil-cpp-20210324.2.ebuild

@@ -0,0 +1,77 @@
+# Copyright 2020-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+PYTHON_COMPAT=( python3_{7,8,9} )
+
+inherit cmake flag-o-matic python-any-r1 toolchain-funcs
+
+# yes, it needs SOURCE, not just installed one
+GTEST_COMMIT="aee0f9d9b5b87796ee8a0ab26b7587ec30e8858e"
+GTEST_FILE="gtest-1.10.0_p20200702.tar.gz"
+
+DESCRIPTION="Abseil Common Libraries (C++), LTS Branch"
+HOMEPAGE="https://abseil.io"
+SRC_URI="https://github.com/abseil/abseil-cpp/archive/${PV}.tar.gz -> ${P}.tar.gz
+	test? ( https://github.com/google/googletest/archive/${GTEST_COMMIT}.tar.gz -> ${GTEST_FILE} )"
+
+LICENSE="
+	Apache-2.0
+	test? ( BSD )
+"
+SLOT="0/${PV%%.*}"
+KEYWORDS="~amd64 ~arm64 ~ppc64 ~x86"
+IUSE="test"
+
+DEPEND=""
+RDEPEND="${DEPEND}"
+
+BDEPEND="
+	${PYTHON_DEPS}
+	test? ( sys-libs/timezone-data )
+"
+
+RESTRICT="!test? ( test )"
+
+PATCHES=(
+	"${FILESDIR}/${PN}-20200923-arm_no_crypto.patch"
+)
+
+src_prepare() {
+	cmake_src_prepare
+
+	# un-hardcode abseil compiler flags
+	sed -i \
+		-e '/"-maes",/d' \
+		-e '/"-msse4.1",/d' \
+		-e '/"-mfpu=neon"/d' \
+		-e '/"-march=armv8-a+crypto"/d' \
+		absl/copts/copts.py || die
+
+	# now generate cmake files
+	python_fix_shebang absl/copts/generate_copts.py
+	absl/copts/generate_copts.py || die
+
+	if use test; then
+		sed -i 's/-Werror//g' \
+			"${WORKDIR}/googletest-${GTEST_COMMIT}"/googletest/cmake/internal_utils.cmake || die
+	fi
+}
+
+src_configure() {
+	if use arm || use arm64; then
+		# bug #778926
+		if [[ $($(tc-getCXX) ${CXXFLAGS} -E -P - <<<$'#if defined(__ARM_FEATURE_CRYPTO)\nHAVE_ARM_FEATURE_CRYPTO\n#endif') != *HAVE_ARM_FEATURE_CRYPTO* ]]; then
+			append-cxxflags -DABSL_ARCH_ARM_NO_CRYPTO
+		fi
+	fi
+
+	local mycmakeargs=(
+		-DABSL_ENABLE_INSTALL=TRUE
+		-DABSL_LOCAL_GOOGLETEST_DIR="${WORKDIR}/googletest-${GTEST_COMMIT}"
+		-DCMAKE_CXX_STANDARD=17
+		$(usex test -DBUILD_TESTING=ON '') #intentional usex
+	)
+	cmake_src_configure
+}