net-dns/c-ares: Sync with Gentoo

It's from Gentoo commit 1c74c5617c8c8094188eb2c99e3aae4867b5e22f.

sdk_container/src/third_party/portage-stable/net-dns/c-ares/Manifest

@@ -1,2 +1,4 @@
 DIST c-ares-1.19.1.tar.gz 1579100 BLAKE2B 4b6c9593edb1a91ab76d54ddacb1cd5d67006d5e628ea1f3289f54e9360be32abeb5d8fc7d23e193feab3e7928e8efde82757eb12fe217dc92ed0d9132bedf5d SHA512 466a94efda626e815a6ef7a890637056339f883d549ea6055e289fd8cd2391130e5682c905c0fb3bd7e955af7f6deb793562c170eb0ee066a4a62085a82ba470
 DIST c-ares-1.19.1.tar.gz.asc 488 BLAKE2B 9c47d7b3e67d9a2bd1e332912d21d20ca591fc34f81707c18a4615ea14ba2da00146d1998250a5f4dd2a0b1c04f9bd2013d4940ac734674c0bdff6815985e19d SHA512 1b204ab1a667af1326be4b7c62c0919aacd447a2e00efea4b8ef2ec9f2b13ffb236a836ff8953b0b3359727faf3fb8cfcd71d0b06a0e533a09f9e9ea66024f4e
+DIST c-ares-1.20.1.tar.gz 1599175 BLAKE2B 44d160e04dcbd78f0ad7c1f2eb3f34ff07017fd9b5c4bc12b81b123022297adccfff45f43630f8c73afdfd9424ff6ee9fb96c627405ec486c8d78bb0c7e518ca SHA512 83400fb276ebcf16dfe6f43d56ca87839d132b5a0544420eda9fa148eb85468b3f215593fcefc2a7a3a8ed8b0d4ef093ed99616a4e466b01f6913934240539e4
+DIST c-ares-1.20.1.tar.gz.asc 488 BLAKE2B 5a6a9e60dd3fb675cafbbf60c7b6c75b385786d1171afa9b1effcdf0187dbd044c93f6a0e87f685b5fdf2992892fdd760e2dc3246c196d011c157fc88bbb5ab4 SHA512 f0622f6df863c599028f20462fb6f5604f30243f51f382c8430abe2afbf3583cb6ffe527f0a38e646700d753d90fa9a2a4d197a7540b2fc9bed1d779fe3b43df

sdk_container/src/third_party/portage-stable/net-dns/c-ares/c-ares-1.19.1.ebuild

@@ -13,7 +13,8 @@ SRC_URI="
 	verify-sig? ( https://c-ares.org/download/${P}.tar.gz.asc )
 "
 
-LICENSE="MIT"
+# ISC for lib/{bitncmp.c,inet_ntop.c,inet_net_pton.c} (bug #912405)
+LICENSE="MIT ISC"
 # Subslot = SONAME of libcares.so.2
 SLOT="0/2"
 KEYWORDS="~alpha amd64 arm arm64 hppa ~ia64 ~loong ~m68k ~mips ppc ppc64 ~riscv ~s390 sparc x86 ~amd64-linux ~x86-linux ~arm64-macos ~ppc-macos ~x64-macos ~x64-solaris"

sdk_container/src/third_party/portage-stable/net-dns/c-ares/c-ares-1.20.1.ebuild

@@ -0,0 +1,87 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+VERIFY_SIG_OPENPGP_KEY_PATH="${BROOT}"/usr/share/openpgp-keys/danielstenberg.asc
+inherit edo multilib-minimal verify-sig
+
+DESCRIPTION="C library that resolves names asynchronously"
+HOMEPAGE="https://c-ares.org/"
+SRC_URI="
+	https://c-ares.org/download/${P}.tar.gz
+	verify-sig? ( https://c-ares.org/download/${P}.tar.gz.asc )
+"
+
+# ISC for lib/{bitncmp.c,inet_ntop.c,inet_net_pton.c} (bug #912405)
+LICENSE="MIT ISC"
+# Subslot = SONAME of libcares.so.2
+SLOT="0/2"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux ~arm64-macos ~ppc-macos ~x64-macos ~x64-solaris"
+IUSE="static-libs test"
+RESTRICT="!test? ( test )"
+
+BDEPEND="verify-sig? ( sec-keys/openpgp-keys-danielstenberg )"
+
+DOCS=( AUTHORS CHANGES NEWS README.md RELEASE-NOTES TODO )
+
+MULTILIB_WRAPPED_HEADERS=(
+	/usr/include/ares_build.h
+)
+
+QA_CONFIG_IMPL_DECL_SKIP=(
+	# Checking for obsolete headers
+	malloc
+	calloc
+	free
+
+	# Non-existent on Linux
+	closesocket
+	CloseSocket
+	ioctlsocket
+	bitncmp
+)
+
+multilib_src_configure() {
+	local myeconfargs=(
+		--enable-nonblocking
+		--enable-symbol-hiding
+		$(use_enable static-libs static)
+		$(use_enable test tests)
+	)
+
+	# Needed for running unit tests only
+	# Violates sandbox and tests pass fine without
+	export ax_cv_uts_namespace=no
+	export ax_cv_user_namespace=no
+	ECONF_SOURCE="${S}" econf "${myeconfargs[@]}"
+}
+
+multilib_src_test() {
+	cd "${BUILD_DIR}"/test || die
+
+	# We're skipping the "real" network tests with the filter
+	# see https://github.com/c-ares/c-ares/tree/main/test
+	local network_tests=(
+		# Most live tests have Live in the name
+		*Live*
+		# These don't but are still in ares-test-live.cc => live
+		*GetTCPSock*
+		*TimeoutValue*
+		*GetSock*
+		*GetSock_virtualized*
+		*VerifySocketFunctionCallback*
+		# Seems flaky, even run manually?
+		*MockUDPMaxQueriesTest.GetHostByNameParallelLookups*
+	)
+
+	# The format for disabling test1, test2, and test3 looks like:
+	# -test1:test2:test3
+	edo ./arestest --gtest_filter=-$(echo $(IFS=:; echo "${network_tests[*]}"))
+}
+
+multilib_src_install_all() {
+	einstalldocs
+
+	find "${ED}" -name "*.la" -delete || die
+}