dev-lang/spidermonkey: enable llvm-15,python-3.11 compatibility for 91

Closes: https://bugs.gentoo.org/882731
Signed-off-by: Joonas Niilola <juippis@gentoo.org>

3 files changed, 486 insertions, 0 deletions

diff --git a/dev-lang/spidermonkey/Manifest b/dev-lang/spidermonkey/Manifest
index fd5d7d56691a..ee6062b4db0f 100644
--- a/dev-lang/spidermonkey/Manifest
+++ b/dev-lang/spidermonkey/Manifest
@@ -9,3 +9,4 @@ DIST firefox-91esr-patches-10j.tar.xz 18320 BLAKE2B ec882411eed19bafab8676e3d79f
 DIST spidermonkey-102-patches-04j.tar.xz 3996 BLAKE2B 468697521adacc5d647b04f2228fc4c1a8131bc2523142f2d57f32e321303581ae8f793baae48966ecb27f48bf77eb084f7b2df1c1a0c667e9ed59ae93d786e6 SHA512 201bb779e2373cc00dfadc29a62b593030dfc12eec076114b92927f29f476d3fafdd056112dd1bb1f19f82827f4fe1252141e3998bec719e4196737a316d4ef2
 DIST spidermonkey-78-patches-04.tar.xz 3408 BLAKE2B f2fdd4882e1e4de1908c458dc8dfedd5665ef7118f19704dabf2b2a80e2fae48813e9bc3d0c3410287e32c21e3f9d09233d8e5d15917f53aa2f60e6190cd9cdb SHA512 87ac83c0ccc05f482913b1fbf043db1878536f935f934362a47283809c0cbfdeff040206a9c18c687384b606ba8a7bd9a7c1fc3c0bcfdd620987990a33ca1fe2
 DIST spidermonkey-91-patches-04j.tar.xz 4624 BLAKE2B d9cf47b39a165e8434d4f2f20ae3a9734c1bb81c32ddb75360e5edfa6817d6343be89aff0f8ec381485772cad80b00a069789decbc462129161afc3d4acfcb53 SHA512 bd574fee600cb4c6a262893b7d992d85c4059d512b829cd2f226aff86d8a6a83c2bdab466704e22f64bf6d29f90901037a34f9e90a42251952ba1cdbc0cab968
+DIST spidermonkey-91-patches-05j.tar.xz 5964 BLAKE2B 13f09f77bf16bc61b03c9488b7ab521552e179bfb123e390d0883ea4a3f55e87e0a5d5a246f31a9ddc35f212ea84655fe9d4fc364bbdddc1aac421eb28dbe41f SHA512 4d9cf21b712234ff6a18554a010badd756028e6147597040c423f7e27d260e3984938f956d9bc3572557163a144345ed28d9f88e459fc959aaa6fd448f6deab7
diff --git a/dev-lang/spidermonkey/files/spidermonkey-91-known-test-failures.txt b/dev-lang/spidermonkey/files/spidermonkey-91-known-test-failures.txt
index 02bf6c93fc9a..448ee25e96bb 100644
--- a/dev-lang/spidermonkey/files/spidermonkey-91-known-test-failures.txt
+++ b/dev-lang/spidermonkey/files/spidermonkey-91-known-test-failures.txt
@@ -1,27 +1,39 @@
+non262/Date/15.9.5.7.js
 non262/Date/reset-time-zone-cache-same-offset.js
 non262/Date/time-zone-path.js
 non262/Date/time-zones-historic.js
 non262/Date/time-zones-imported.js
 non262/Date/toString-localized-posix.js
 non262/Date/toString-localized.js
+non262/Intl/Array/toLocaleString-date.js
 non262/Intl/Date/toLocaleDateString_timeZone.js
 non262/Intl/Date/toLocaleString_timeZone.js
 non262/Intl/Date/toLocaleTimeString_timeZone.js
 non262/Intl/DateTimeFormat/day-period-hour-cycle.js
 non262/Intl/DateTimeFormat/extended-time-zone-names.js
+non262/Intl/DateTimeFormat/field-widths.js
 non262/Intl/DateTimeFormat/format.js
+non262/Intl/DateTimeFormat/formatRange-hour-cycle.js
+non262/Intl/DateTimeFormat/formatToParts.js
 non262/Intl/DateTimeFormat/format_timeZone.js
 non262/Intl/DateTimeFormat/fractional-second-digits-append-item.js
+non262/Intl/DateTimeFormat/hourCycle.js
 non262/Intl/DateTimeFormat/implied-script-has-consistent-output.js
 non262/Intl/DateTimeFormat/japanese-gannen-year.js
 non262/Intl/DateTimeFormat/related-year.js
 non262/Intl/DateTimeFormat/timeZone_backward_links.js
 non262/Intl/DateTimeFormat/timeZone_version.js
 non262/Intl/DateTimeFormat/tz-environment-variable.js
+non262/Intl/DisplayNames/calendar.js
+non262/Intl/DisplayNames/dateTimeField.js
 non262/Intl/DisplayNames/language.js
 non262/Intl/DisplayNames/region.js
+non262/Intl/ListFormat/conjunction-type.js
 non262/Intl/Locale/likely-subtags-generated.js
 non262/Intl/Locale/likely-subtags.js
+non262/Intl/NumberFormat/currency-narrow-symbol.js
+non262/Intl/NumberFormat/format.js
+non262/Intl/NumberFormat/notation-compact-long.js
 non262/Intl/available-locales-resolved.js
 non262/Intl/available-locales-supported.js
 test262/built-ins/Date/UTC/fp-evaluation-order.js
@@ -59,6 +71,7 @@ test262/built-ins/RegExp/property-escapes/generated/General_Category_-_Number.js
 test262/built-ins/RegExp/property-escapes/generated/General_Category_-_Open_Punctuation.js
 test262/built-ins/RegExp/property-escapes/generated/General_Category_-_Other.js
 test262/built-ins/RegExp/property-escapes/generated/General_Category_-_Other_Letter.js
+test262/built-ins/RegExp/property-escapes/generated/General_Category_-_Other_Number.js
 test262/built-ins/RegExp/property-escapes/generated/General_Category_-_Other_Punctuation.js
 test262/built-ins/RegExp/property-escapes/generated/General_Category_-_Other_Symbol.js
 test262/built-ins/RegExp/property-escapes/generated/General_Category_-_Punctuation.js
@@ -78,6 +91,9 @@ test262/built-ins/RegExp/property-escapes/generated/Script_-_Balinese.js
 test262/built-ins/RegExp/property-escapes/generated/Script_-_Brahmi.js
 test262/built-ins/RegExp/property-escapes/generated/Script_-_Canadian_Aboriginal.js
 test262/built-ins/RegExp/property-escapes/generated/Script_-_Common.js
+test262/built-ins/RegExp/property-escapes/generated/Script_-_Cyrillic.js
+test262/built-ins/RegExp/property-escapes/generated/Script_-_Devanagari.js
+test262/built-ins/RegExp/property-escapes/generated/Script_-_Egyptian_Hieroglyphs.js
 test262/built-ins/RegExp/property-escapes/generated/Script_-_Ethiopic.js
 test262/built-ins/RegExp/property-escapes/generated/Script_-_Glagolitic.js
 test262/built-ins/RegExp/property-escapes/generated/Script_-_Han.js
@@ -86,6 +102,8 @@ test262/built-ins/RegExp/property-escapes/generated/Script_-_Inherited.js
 test262/built-ins/RegExp/property-escapes/generated/Script_-_Kaithi.js
 test262/built-ins/RegExp/property-escapes/generated/Script_-_Kannada.js
 test262/built-ins/RegExp/property-escapes/generated/Script_-_Katakana.js
+test262/built-ins/RegExp/property-escapes/generated/Script_-_Khojki.js
+test262/built-ins/RegExp/property-escapes/generated/Script_-_Lao.js
 test262/built-ins/RegExp/property-escapes/generated/Script_-_Latin.js
 test262/built-ins/RegExp/property-escapes/generated/Script_-_Mongolian.js
 test262/built-ins/RegExp/property-escapes/generated/Script_-_Tagalog.js
@@ -98,6 +116,9 @@ test262/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Balinese
 test262/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Brahmi.js
 test262/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Canadian_Aboriginal.js
 test262/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Common.js
+test262/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Cyrillic.js
+test262/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Devanagari.js
+test262/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Egyptian_Hieroglyphs.js
 test262/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Ethiopic.js
 test262/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Glagolitic.js
 test262/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Han.js
@@ -106,6 +127,8 @@ test262/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Inherite
 test262/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Kaithi.js
 test262/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Kannada.js
 test262/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Katakana.js
+test262/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Khojki.js
+test262/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Lao.js
 test262/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Latin.js
 test262/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Mongolian.js
 test262/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Nko.js
@@ -121,4 +144,9 @@ test262/built-ins/RegExp/property-escapes/generated/Uppercase.js
 test262/built-ins/RegExp/property-escapes/generated/Variation_Selector.js
 test262/built-ins/RegExp/property-escapes/generated/XID_Continue.js
 test262/built-ins/RegExp/property-escapes/generated/XID_Start.js
+test262/intl402/DateTimeFormat/prototype/format/timedatestyle-en.js
+test262/intl402/DateTimeFormat/prototype/formatRange/en-US.js
+test262/intl402/DateTimeFormat/prototype/formatRange/fractionalSecondDigits.js
+test262/intl402/DateTimeFormat/prototype/formatRangeToParts/en-US.js
+test262/intl402/DateTimeFormat/prototype/formatRangeToParts/fractionalSecondDigits.js
 test262/intl402/Locale/prototype/minimize/removing-likely-subtags-first-adds-likely-subtags.js
diff --git a/dev-lang/spidermonkey/spidermonkey-91.13.0-r1.ebuild b/dev-lang/spidermonkey/spidermonkey-91.13.0-r1.ebuild
new file mode 100644
index 000000000000..ef74d3299c20
--- /dev/null
+++ b/dev-lang/spidermonkey/spidermonkey-91.13.0-r1.ebuild
@@ -0,0 +1,457 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI="8"
+
+# Patch version
+FIREFOX_PATCHSET="firefox-91esr-patches-10j.tar.xz"
+SPIDERMONKEY_PATCHSET="spidermonkey-91-patches-05j.tar.xz"
+
+LLVM_MAX_SLOT=15
+
+PYTHON_COMPAT=( python3_{8..11} )
+PYTHON_REQ_USE="ssl,xml(+)"
+
+WANT_AUTOCONF="2.1"
+
+inherit autotools check-reqs flag-o-matic llvm multiprocessing prefix python-any-r1 toolchain-funcs
+
+MY_PN="mozjs"
+MY_PV="${PV/_pre*}" # Handle Gentoo pre-releases
+
+MY_MAJOR=$(ver_cut 1)
+
+MOZ_ESR=yes
+
+MOZ_PV=${PV}
+MOZ_PV_SUFFIX=
+if [[ ${PV} =~ (_(alpha|beta|rc).*)$ ]] ; then
+	MOZ_PV_SUFFIX=${BASH_REMATCH[1]}
+
+	# Convert the ebuild version to the upstream Mozilla version
+	MOZ_PV="${MOZ_PV/_alpha/a}" # Handle alpha for SRC_URI
+	MOZ_PV="${MOZ_PV/_beta/b}"  # Handle beta for SRC_URI
+	MOZ_PV="${MOZ_PV%%_rc*}"    # Handle rc for SRC_URI
+fi
+
+if [[ -n ${MOZ_ESR} ]] ; then
+	# ESR releases have slightly different version numbers
+	MOZ_PV="${MOZ_PV}esr"
+fi
+
+MOZ_PN="firefox"
+MOZ_P="${MOZ_PN}-${MOZ_PV}"
+MOZ_PV_DISTFILES="${MOZ_PV}${MOZ_PV_SUFFIX}"
+MOZ_P_DISTFILES="${MOZ_PN}-${MOZ_PV_DISTFILES}"
+
+MOZ_SRC_BASE_URI="https://archive.mozilla.org/pub/${MOZ_PN}/releases/${MOZ_PV}"
+
+if [[ ${PV} == *_rc* ]] ; then
+	MOZ_SRC_BASE_URI="https://archive.mozilla.org/pub/${MOZ_PN}/candidates/${MOZ_PV}-candidates/build${PV##*_rc}"
+fi
+
+PATCH_URIS=(
+	https://dev.gentoo.org/~{juippis,polynomial-c,whissi}/mozilla/patchsets/${FIREFOX_PATCHSET}
+	https://dev.gentoo.org/~{juippis,polynomial-c,whissi}/mozilla/patchsets/${SPIDERMONKEY_PATCHSET}
+)
+
+SRC_URI="${MOZ_SRC_BASE_URI}/source/${MOZ_P}.source.tar.xz -> ${MOZ_P_DISTFILES}.source.tar.xz
+	${PATCH_URIS[@]}"
+
+DESCRIPTION="SpiderMonkey is Mozilla's JavaScript engine written in C and C++"
+HOMEPAGE="https://spidermonkey.dev https://firefox-source-docs.mozilla.org/js/index.html "
+
+KEYWORDS="amd64 arm arm64 ~mips ppc ppc64 ~riscv sparc x86"
+
+SLOT="91"
+LICENSE="MPL-2.0"
+IUSE="clang cpu_flags_arm_neon debug +jit lto test"
+
+#RESTRICT="test"
+RESTRICT="!test? ( test )"
+
+BDEPEND="${PYTHON_DEPS}
+
+	|| (
+		(
+			sys-devel/clang:15
+			sys-devel/llvm:15
+			clang? (
+				virtual/rust:0/llvm-15
+				lto? ( sys-devel/lld:15 )
+			)
+		)
+		(
+			sys-devel/clang:14
+			sys-devel/llvm:14
+			clang? (
+				virtual/rust:0/llvm-14
+				lto? ( sys-devel/lld:14 )
+			)
+		)
+	)
+	!clang? ( virtual/rust )
+	virtual/pkgconfig
+	test? (
+		$(python_gen_any_dep 'dev-python/six[${PYTHON_USEDEP}]')
+	)"
+DEPEND=">=dev-libs/icu-69.1:=
+	dev-libs/nspr
+	sys-libs/readline:0=
+	sys-libs/zlib"
+RDEPEND="${DEPEND}"
+
+S="${WORKDIR}/firefox-${MY_PV}/js/src"
+
+llvm_check_deps() {
+	if ! has_version -b "sys-devel/llvm:${LLVM_SLOT}" ; then
+		einfo "sys-devel/llvm:${LLVM_SLOT} is missing! Cannot use LLVM slot ${LLVM_SLOT} ..." >&2
+		return 1
+	fi
+
+	if use clang ; then
+		if ! has_version -b "sys-devel/clang:${LLVM_SLOT}" ; then
+			einfo "sys-devel/clang:${LLVM_SLOT} is missing! Cannot use LLVM slot ${LLVM_SLOT} ..." >&2
+			return 1
+		fi
+
+		if ! has_version -b "virtual/rust:0/llvm-${LLVM_SLOT}" ; then
+			einfo "virtual/rust:0/llvm-${LLVM_SLOT} is missing! Cannot use LLVM slot ${LLVM_SLOT} ..." >&2
+			return 1
+		fi
+
+		if use lto ; then
+			if ! has_version -b "sys-devel/lld:${LLVM_SLOT}" ; then
+				einfo "sys-devel/lld:${LLVM_SLOT} is missing! Cannot use LLVM slot ${LLVM_SLOT} ..." >&2
+				return 1
+			fi
+		fi
+	fi
+
+	einfo "Using LLVM slot ${LLVM_SLOT} to build" >&2
+}
+
+python_check_deps() {
+	if use test ; then
+		python_has_version "dev-python/six[${PYTHON_USEDEP}]"
+	fi
+}
+
+pkg_pretend() {
+	if use test ; then
+		CHECKREQS_DISK_BUILD="7600M"
+	else
+		CHECKREQS_DISK_BUILD="6400M"
+	fi
+
+	check-reqs_pkg_pretend
+}
+
+pkg_setup() {
+	if [[ ${MERGE_TYPE} != binary ]] ; then
+		if use test ; then
+			CHECKREQS_DISK_BUILD="7600M"
+		else
+			CHECKREQS_DISK_BUILD="6400M"
+		fi
+
+		check-reqs_pkg_setup
+
+		llvm_pkg_setup
+
+		if use clang && use lto ; then
+			local version_lld=$(ld.lld --version 2>/dev/null | awk '{ print $2 }')
+			[[ -n ${version_lld} ]] && version_lld=$(ver_cut 1 "${version_lld}")
+			[[ -z ${version_lld} ]] && die "Failed to read ld.lld version!"
+
+			local version_llvm_rust=$(rustc -Vv 2>/dev/null | grep -F -- 'LLVM version:' | awk '{ print $3 }')
+			[[ -n ${version_llvm_rust} ]] && version_llvm_rust=$(ver_cut 1 "${version_llvm_rust}")
+			[[ -z ${version_llvm_rust} ]] && die "Failed to read used LLVM version from rustc!"
+
+			if ver_test "${version_lld}" -ne "${version_llvm_rust}" ; then
+				eerror "Rust is using LLVM version ${version_llvm_rust} but ld.lld version belongs to LLVM version ${version_lld}."
+				eerror "You will be unable to link ${CATEGORY}/${PN}. To proceed you have the following options:"
+				eerror "  - Manually switch rust version using 'eselect rust' to match used LLVM version"
+				eerror "  - Switch to dev-lang/rust[system-llvm] which will guarantee matching version"
+				eerror "  - Build ${CATEGORY}/${PN} without USE=lto"
+				eerror "  - Rebuild lld with llvm that was used to build rust (may need to rebuild the whole "
+				eerror "    llvm/clang/lld/rust chain depending on your @world updates)"
+				die "LLVM version used by Rust (${version_llvm_rust}) does not match with ld.lld version (${version_lld})!"
+			fi
+		fi
+
+		python-any-r1_pkg_setup
+
+		# Build system is using /proc/self/oom_score_adj, bug #604394
+		addpredict /proc/self/oom_score_adj
+
+		if ! mountpoint -q /dev/shm ; then
+			# If /dev/shm is not available, configure is known to fail with
+			# a traceback report referencing /usr/lib/pythonN.N/multiprocessing/synchronize.py
+			ewarn "/dev/shm is not mounted -- expect build failures!"
+		fi
+
+		# Ensure we use C locale when building, bug #746215
+		export LC_ALL=C
+	fi
+}
+
+src_prepare() {
+	pushd ../.. &>/dev/null || die
+
+	use lto && rm -v "${WORKDIR}"/firefox-patches/*-LTO-Only-enable-LTO-*.patch
+
+	eapply "${WORKDIR}"/firefox-patches
+	eapply "${WORKDIR}"/spidermonkey-patches
+
+	default
+
+	# Make cargo respect MAKEOPTS
+	export CARGO_BUILD_JOBS="$(makeopts_jobs)"
+
+	# sed-in toolchain prefix
+	sed -i \
+		-e "s/objdump/${CHOST}-objdump/" \
+		python/mozbuild/mozbuild/configure/check_debug_ranges.py \
+		|| die "sed failed to set toolchain prefix"
+
+	# use prefix shell in wrapper linker scripts, bug #789660
+	hprefixify "${S}"/../../build/cargo-{,host-}linker
+
+	einfo "Removing pre-built binaries ..."
+	find third_party -type f \( -name '*.so' -o -name '*.o' \) -print -delete || die
+
+	MOZJS_BUILDDIR="${WORKDIR}/build"
+	mkdir "${MOZJS_BUILDDIR}" || die
+
+	popd &>/dev/null || die
+	eautoconf
+}
+
+src_configure() {
+	# Show flags set at the beginning
+	einfo "Current CFLAGS:    ${CFLAGS}"
+	einfo "Current CXXFLAGS:  ${CXXFLAGS}"
+	einfo "Current LDFLAGS:   ${LDFLAGS}"
+	einfo "Current RUSTFLAGS: ${RUSTFLAGS}"
+
+	local have_switched_compiler=
+	if use clang; then
+		# Force clang
+		einfo "Enforcing the use of clang due to USE=clang ..."
+		if tc-is-gcc; then
+			have_switched_compiler=yes
+		fi
+		AR=llvm-ar
+		CC=${CHOST}-clang
+		CXX=${CHOST}-clang++
+		NM=llvm-nm
+		RANLIB=llvm-ranlib
+	elif ! use clang && ! tc-is-gcc ; then
+		# Force gcc
+		have_switched_compiler=yes
+		einfo "Enforcing the use of gcc due to USE=-clang ..."
+		AR=gcc-ar
+		CC=${CHOST}-gcc
+		CXX=${CHOST}-g++
+		NM=gcc-nm
+		RANLIB=gcc-ranlib
+	fi
+
+	if [[ -n "${have_switched_compiler}" ]] ; then
+		# Because we switched active compiler we have to ensure
+		# that no unsupported flags are set
+		strip-unsupported-flags
+	fi
+
+	# Ensure we use correct toolchain
+	export HOST_CC="$(tc-getBUILD_CC)"
+	export HOST_CXX="$(tc-getBUILD_CXX)"
+	tc-export CC CXX LD AR NM OBJDUMP RANLIB PKG_CONFIG
+
+	cd "${MOZJS_BUILDDIR}" || die
+
+	# ../python/mach/mach/mixin/process.py fails to detect SHELL
+	export SHELL="${EPREFIX}/bin/bash"
+
+	local -a myeconfargs=(
+		--host="${CBUILD:-${CHOST}}"
+		--target="${CHOST}"
+		--disable-ctype
+		--disable-jemalloc
+		--disable-optimize
+		--disable-smoosh
+		--disable-strip
+		--enable-readline
+		--enable-release
+		--enable-shared-js
+		--with-intl-api
+		--with-system-icu
+		--with-system-nspr
+		--with-system-zlib
+		--with-toolchain-prefix="${CHOST}-"
+		$(use_enable debug)
+		$(use_enable jit)
+		$(use_enable test tests)
+	)
+
+	# Temporary fix with rust-1.63, bgo#870193
+	# if ! use x86 && [[ ${CHOST} != armv*h* ]] ; then
+	#	myeconfargs+=( --enable-rust-simd )
+	# fi
+	myeconfargs+=( --disable-rust-simd )
+
+	# Modifications to better support ARM, bug 717344
+	if use cpu_flags_arm_neon ; then
+		myeconfargs+=( --with-fpu=neon )
+
+		if ! tc-is-clang ; then
+			# thumb options aren't supported when using clang, bug 666966
+			myeconfargs+=( --with-thumb=yes )
+			myeconfargs+=( --with-thumb-interwork=no )
+		fi
+	fi
+
+	# Tell build system that we want to use LTO
+	if use lto ; then
+		if use clang ; then
+			myeconfargs+=( --enable-linker=lld )
+			myeconfargs+=( --enable-lto=cross )
+		else
+			myeconfargs+=( --enable-linker=bfd )
+			myeconfargs+=( --enable-lto )
+		fi
+	fi
+
+	# LTO flag was handled via configure
+	filter-flags '-flto*'
+
+	if tc-is-gcc ; then
+		if ver_test $(gcc-fullversion) -ge 10 ; then
+			einfo "Forcing -fno-tree-loop-vectorize to workaround GCC bug, see bug 758446 ..."
+			append-cxxflags -fno-tree-loop-vectorize
+		fi
+	fi
+
+	export MACH_USE_SYSTEM_PYTHON=1
+	export PIP_NO_CACHE_DIR=off
+
+	# Show flags we will use
+	einfo "Build CFLAGS:    ${CFLAGS}"
+	einfo "Build CXXFLAGS:  ${CXXFLAGS}"
+	einfo "Build LDFLAGS:   ${LDFLAGS}"
+	einfo "Build RUSTFLAGS: ${RUSTFLAGS}"
+
+	# Forcing system-icu allows us to skip patching bundled ICU for PPC
+	# and other minor arches
+	ECONF_SOURCE="${S}" \
+		econf \
+		${myeconfargs[@]} \
+		XARGS="${EPREFIX}/usr/bin/xargs"
+}
+
+src_compile() {
+	cd "${MOZJS_BUILDDIR}" || die
+	default
+}
+
+src_test() {
+	if "${MOZJS_BUILDDIR}/js/src/js" -e 'print("Hello world!")'; then
+		einfo "Smoke-test successful, continuing with full test suite"
+	else
+		die "Smoke-test failed: did interpreter initialization fail?"
+	fi
+
+	cp "${FILESDIR}"/spidermonkey-91-known-test-failures.txt "${T}"/known_failures.list || die
+
+	# bgo #827960
+	if use ppc; then
+		echo "non262/TypedArray/map-and-filter.js" >> "${T}"/known_failures.list
+		echo "test262/built-ins/Atomics/load/bigint/good-views.js" >> "${T}"/known_failures.list
+		echo "test262/built-ins/Atomics/load/bigint/non-shared-bufferdata.js" >> "${T}"/known_failures.list
+		echo "test262/built-ins/Atomics/add/bigint/good-views.js" >> "${T}"/known_failures.list
+		echo "test262/built-ins/Atomics/add/bigint/non-shared-bufferdata.js" >> "${T}"/known_failures.list
+		echo "test262/built-ins/Atomics/exchange/bigint/good-views.js" >> "${T}"/known_failures.list
+		echo "test262/built-ins/Atomics/exchange/bigint/non-shared-bufferdata.js" >> "${T}"/known_failures.list
+		echo "test262/built-ins/Atomics/store/bigint/good-views.js" >> "${T}"/known_failures.list
+		echo "test262/built-ins/Atomics/store/bigint/non-shared-bufferdata.js" >> "${T}"/known_failures.list
+		echo "test262/built-ins/Atomics/xor/bigint/good-views.js" >> "${T}"/known_failures.list
+		echo "test262/built-ins/Atomics/xor/bigint/non-shared-bufferdata.js" >> "${T}"/known_failures.list
+		echo "test262/built-ins/Atomics/sub/bigint/good-views.js" >> "${T}"/known_failures.list
+		echo "test262/built-ins/Atomics/sub/bigint/non-shared-bufferdata.js" >> "${T}"/known_failures.list
+		echo "test262/built-ins/Atomics/wait/bigint/no-spurious-wakeup-on-exchange.js" >> "${T}"/known_failures.list
+		echo "test262/built-ins/Atomics/and/bigint/good-views.js" >> "${T}"/known_failures.list
+		echo "test262/built-ins/Atomics/wait/bigint/no-spurious-wakeup-on-or.js" >> "${T}"/known_failures.list
+		echo "test262/built-ins/Atomics/wait/bigint/false-for-timeout-agent.js" >> "${T}"/known_failures.list
+		echo "test262/built-ins/Atomics/wait/bigint/no-spurious-wakeup-on-add.js" >> "${T}"/known_failures.list
+		echo "test262/built-ins/Atomics/or/bigint/non-shared-bufferdata.js" >> "${T}"/known_failures.list
+		echo "test262/built-ins/Atomics/wait/bigint/no-spurious-wakeup-on-sub.js" >> "${T}"/known_failures.list
+		echo "test262/built-ins/Atomics/wait/bigint/no-spurious-wakeup-on-compareExchange.js" >> "${T}"/known_failures.list
+		echo "test262/built-ins/Atomics/wait/bigint/negative-timeout-agent.js" >> "${T}"/known_failures.list
+		echo "test262/built-ins/Atomics/wait/bigint/no-spurious-wakeup-on-xor.js" >> "${T}"/known_failures.list
+		echo "test262/built-ins/Atomics/wait/bigint/value-not-equal.js" >> "${T}"/known_failures.list
+		echo "test262/built-ins/Atomics/wait/bigint/no-spurious-wakeup-no-operation.js" >> "${T}"/known_failures.list
+		echo "test262/built-ins/Atomics/wait/bigint/waiterlist-block-indexedposition-wake.js" >> "${T}"/known_failures.list
+		echo "test262/built-ins/Atomics/wait/bigint/nan-for-timeout.js" >> "${T}"/known_failures.list
+		echo "test262/built-ins/Atomics/wait/bigint/no-spurious-wakeup-on-and.js" >> "${T}"/known_failures.list
+		echo "test262/built-ins/Atomics/wait/bigint/was-woken-before-timeout.js" >> "${T}"/known_failures.list
+		echo "test262/built-ins/Atomics/wait/bigint/no-spurious-wakeup-on-store.js" >> "${T}"/known_failures.list
+		echo "test262/built-ins/Atomics/wait/bigint/waiterlist-order-of-operations-is-fifo.js" >> "${T}"/known_failures.list
+		echo "test262/built-ins/Atomics/compareExchange/bigint/non-shared-bufferdata.js" >> "${T}"/known_failures.list
+		echo "test262/built-ins/Atomics/compareExchange/bigint/good-views.js" >> "${T}"/known_failures.list
+		echo "test262/built-ins/Atomics/and/bigint/non-shared-bufferdata.js" >> "${T}"/known_failures.list
+		echo "test262/built-ins/Atomics/or/bigint/good-views.js" >> "${T}"/known_failures.list
+		echo "test262/built-ins/Atomics/notify/bigint/notify-all-on-loc.js" >> "${T}"/known_failures.list
+	fi
+
+	if use x86 ; then
+		echo "non262/Date/timeclip.js" >> "${T}"/known_failures.list
+		echo "test262/built-ins/Number/prototype/toPrecision/return-values.js" >> "${T}"/known_failures.list
+		echo "test262/language/types/number/S8.5_A2.1.js" >> "${T}"/known_failures.list
+		echo "test262/language/types/number/S8.5_A2.2.js" >> "${T}"/known_failures.list
+	fi
+
+	if [[ $(tc-endian) == "big" ]] ; then
+		echo "non262/extensions/clone-errors.js" >> "${T}"/known_failures.list
+		echo "test262/built-ins/Date/UTC/fp-evaluation-order.js" >> "${T}"/known_failures.list
+		echo "test262/built-ins/TypedArray/prototype/set/typedarray-arg-set-values-same-buffer-other-type.js" >> "${T}"/known_failures.list
+	fi
+
+	${EPYTHON} \
+		"${S}"/tests/jstests.py -d -s -t 1800 --wpt=disabled --no-progress \
+		--exclude-file="${T}"/known_failures.list \
+		"${MOZJS_BUILDDIR}"/js/src/js \
+		|| die
+
+	if use jit ; then
+		${EPYTHON} \
+			"${S}"/tests/jstests.py -d -s -t 1800 --wpt=disabled --no-progress \
+			--exclude-file="${T}"/known_failures.list \
+			"${MOZJS_BUILDDIR}"/js/src/js basic \
+			|| die
+	fi
+}
+
+src_install() {
+	cd "${MOZJS_BUILDDIR}" || die
+	default
+
+	# fix soname links
+	pushd "${ED}"/usr/$(get_libdir) &>/dev/null || die
+	mv lib${MY_PN}-${MY_MAJOR}.so lib${MY_PN}-${MY_MAJOR}.so.0.0.0 || die
+	ln -s lib${MY_PN}-${MY_MAJOR}.so.0.0.0 lib${MY_PN}-${MY_MAJOR}.so.0 || die
+	ln -s lib${MY_PN}-${MY_MAJOR}.so.0 lib${MY_PN}-${MY_MAJOR}.so || die
+	popd &>/dev/null || die
+
+	# remove unneeded files
+	rm \
+		"${ED}"/usr/bin/js${MY_MAJOR}-config \
+		"${ED}"/usr/$(get_libdir)/libjs_static.ajs \
+		|| die
+
+	# fix permissions
+	chmod -x \
+		"${ED}"/usr/$(get_libdir)/pkgconfig/*.pc \
+		"${ED}"/usr/include/mozjs-${MY_MAJOR}/js-config.h \
+		|| die
+}