# Copyright 1999-2024 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=8

# Both Daniel and Brad are listed as possible signers on the homepage
VERIFY_SIG_OPENPGP_KEY_PATH=/usr/share/openpgp-keys/bradhouse.asc
inherit edo multilib-minimal verify-sig

DESCRIPTION="C library that resolves names asynchronously"
HOMEPAGE="https://c-ares.org/"
SRC_URI="
	https://github.com/c-ares/c-ares/releases/download/v${PV}/${P}.tar.gz
	verify-sig? ( https://github.com/c-ares/c-ares/releases/download/v${PV}/${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 ~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="
	test? ( dev-cpp/gtest )
	verify-sig? ( sec-keys/openpgp-keys-bradhouse )
"

DOCS=( AUTHORS README.md RELEASE-NOTES.md )

MULTILIB_WRAPPED_HEADERS=(
	/usr/include/ares_build.h
)

A__QA_CONFIG_IMPL_DECL_SKIP=(
	# Checking for obsolete headers
	malloc
	calloc
	free

	# Non-existent on Linux
	closesocket
	CloseSocket
	ioctlsocket
	bitncmp
	ConvertInterfaceIndexToLuid
	ConvertInterfaceLuidToNameA
)

src_prepare() {
	default

	if [[ ${CHOST} == *-darwin* ]] ; then
		# warnings are default, but enable -std=c90 which doesn't define
		# 'bool' which is a type used/assumed in macOS system headers
		sed -i -e 's/-std=c90/& -Dbool=int/' configure{.ac,} || die
		# sysconfig integration requires deep framework compatibility
		# and is not really desired in Prefix
		sed -i -e 's/__APPLE__/__DISABLED__/' \
			src/lib/ares_sysconfig_mac.c || die
		sed -i -e '/elif defined(__APPLE__)/s/__APPLE__/__DISABLED__/' \
			src/lib/ares_sysconfig.c || die
	fi
}

multilib_src_configure() {
	local myeconfargs=(
		--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 ares_cv_user_namespace=no
	export ares_cv_uts_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
		# https://github.com/c-ares/c-ares/commit/9e542a8839f81c990bb0dff14beeaf9aa6bcc18d
		*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
}