[gentoo-commits] repo/gentoo:master commit in: sys-devel/clang/

["Michał Górny" <mgorny@gentoo.org>]

commit:     112222e46db03407114a091277e1faad0b25aca2
Author:     Michał Górny <mgorny <AT> gentoo <DOT> org>
AuthorDate: Fri Sep 20 09:33:25 2019 +0000
Commit:     Michał Górny <mgorny <AT> gentoo <DOT> org>
CommitDate: Fri Sep 20 22:11:54 2019 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=112222e4

sys-devel/clang: Bump to 9.0.0

Signed-off-by: Michał Górny <mgorny <AT> gentoo.org>

 sys-devel/clang/Manifest           |   4 +
 sys-devel/clang/clang-9.0.0.ebuild | 311 +++++++++++++++++++++++++++++++++++++
 2 files changed, 315 insertions(+)

diff --git a/sys-devel/clang/Manifest b/sys-devel/clang/Manifest
index c244bdaac44..57a474667bf 100644
--- a/sys-devel/clang/Manifest
+++ b/sys-devel/clang/Manifest
@@ -2,10 +2,12 @@ DIST cfe-6.0.1.src.tar.xz 11905772 BLAKE2B abb60e9f9827d1d8a24f0aaf8a1d1e3297929
 DIST cfe-7.1.0.src.tar.xz 12487872 BLAKE2B ca6ec9e45b94823de1dabf9e68f0c97cdd40b5d2a5e5e15d4b2393f6d7fbdee72a541b957cc22ce4cb726d8ee7190228320941d5713aeb59695673b9e9070ceb SHA512 1cd0b80f32aa4de1118c0c676ba96b1fc78b7ff929b01b6589dfe9b4669e599ac8cfb8f5a0abcd3487594193a7dec06b29530ec3fc03042c20a160f0477a79fd
 DIST cfe-8.0.0.src.tar.xz 12868468 BLAKE2B 3cb96c95c4d9713feb7011e4f1ca24be3e7f6c9b458f6cd9e6905f99737312ca44cb701ed5871e47dd583145e5898d53a65c4cda6456af3d4ca31b670ed84409 SHA512 98e540222719716985e5d8439116e47469cb01201ea91d1da7e46cb6633da099688d9352c3b65e5c5f660cbbae353b3d79bb803fc66b3be663f2b04b1feed1c3
 DIST cfe-8.0.1.src.tar.xz 12810056 BLAKE2B 88cee0b6daa477ca0473c76efc45beb634f6194ecd3f45aaec3791e26b203c5dbd33c649435e0d97924096a72c727d76915bffc0b7ea305f24d5e5f06389c4a0 SHA512 1227b2d32052c70b4b494659849000188fce46fc31a71f3352ba8457ac0b0b17e4bc7c8589874c8586d55aa808ee6c1fceb7df501aafa33599f8df7bfd2b791d
+DIST cfe-9.0.0.src.tar.xz 13533024 BLAKE2B 61fa57245d54930d09c2ff6024cdefb35592f7d1c644657b0aec9e7cc2dca29b45f08b8a2b716812025a438841e83ac3e30bb6f051498aa860533995ef7757b1 SHA512 83fcca5499102b375e620cdac97d75e6111ebed4ef10240859ddd8a88bc5b022703739d2eae0d8693c91892ad11fc6b531c0dbee62fbce68d3be595b94f0b1fe
 DIST clang-tools-extra-6.0.1.src.tar.xz 757256 BLAKE2B 1d91d7459a34e7251007af91db1803ee6d04f1ef3e0fcf134a7e0d1d3456b094a80339ee60db3f0bdd12961f3a05caee7edfc5c6b9c48d49cd55a5dc3c102c3a SHA512 cf29d117b6dabcb7a8e5f6dab5016ce5a5c8f475679001a43fd5c935f2c368f37cdef50aae2080a1e4524f647f6d83458d4a5dec5b45d03fb374f463caf7c3f5
 DIST clang-tools-extra-7.1.0.src.tar.xz 901328 BLAKE2B 20865cf188cf08e4eae969d1083d9d69f57159c3dceb71e3e00a3f4dd96814b99e25fe633eb46801923d64cc9f884da24a417c21af71f0b3535bda0cce7d73da SHA512 8c22136324808b42601915e8163e06a90db078693f9e12369050bca6bab8cb971efaddcda82c5abf08e67ba7a5be1ac32e1bef0aff29a1b433e80eca8eba3e7b
 DIST clang-tools-extra-8.0.0.src.tar.xz 1996156 BLAKE2B 26c839669ce4cf531a56e8527c9d507ce458861c00aaf563fa5e58cfa2fa3897d820643746802198c8e77c9e46fc8f4b833fc3746b32d8adc0d4a09dbe3ace7c SHA512 434e4cb7b76f89b0a0af25f05f32f2f2e8edb9e9f14547be845df75f5032c1d9dbf475be408bb989c476ec667c10af54a15d40e42559b05e52d24c5fd416b517
 DIST clang-tools-extra-8.0.1.src.tar.xz 1994068 BLAKE2B 7d312c1a958d9c5b24515067cbb1db3a92b34cdf77c2345c08ef2f327d2ae4ca7f05252d72ede6569e25cda34225963a8d415cc64279e39d542449ba56eae9c9 SHA512 d39962c30ee9d8a1679d8007009b48dea2c8aaeb283bed781a9e22a1a57b8186c2cfe058da046658882ace1c84a30ddf9b4cb75bce988891189e8423b6c6a72c
+DIST clang-tools-extra-9.0.0.src.tar.xz 2183436 BLAKE2B d9682cc615ddeb2ac4fba665089658b423bea085e935c54f1e8c8c71807a9c3c910aee60652accbb24fc4dae262c7877fc7c2f7e098b118f7dc3eef9c7e5941e SHA512 70fd5cdeb8d371e5bbc369bdea3b94a1e3f450e1fdc109a2328d75b30a09c56fbed31678e211172e0a1fc1ff82c9ab4dfea4238be2cc0b82598f71ce9b7ab7d3
 DIST llvm-6.0.1-manpages.tar.bz2 102656 BLAKE2B 9088ca0bdda69f63354e61b7495df54505d5db2504bc61860a7260343722ec8cdd5e937d0843263a5bf5077b9cf386c337fa127039b996bab10d2ca5c2caeb59 SHA512 c468e97a2d5610aee9e72cb795e4e65375a079d733550f05380230fb44ba0ed67d407ad06e2340b66f13d19c06583b657e8d01fcdca2146ae43964cea309e0b3
 DIST llvm-6.0.1.src.tar.xz 25306628 BLAKE2B 60232d4d22f8096b565cc8d81fea0639f24f14e8fc4f66ade69fa15479181f07f655f26dff3fa24bf105762b495da316c5c9352db234bd0af6b9c3fff6d4d881 SHA512 cbbb00eb99cfeb4aff623ee1a5ba075e7b5a76fc00c5f9f539ff28c108598f5708a0369d5bd92683def5a20c2fe60cab7827b42d628dbfcc79b57e0e91b84dd9
 DIST llvm-7.1.0-manpages.tar.bz2 120786 BLAKE2B b52a7afe7c5c170894e910ef2c651a5f38f0bd41147a2c63dc5b8a92f0ec37512e913e68efce51e1643e8f20cf0f3f088d31d19c541d2ff361ecb7d89b234b6c SHA512 78a526d889a8e62accf422655acbb4d17e3c22b0f0830003db0068b3c01c367ac32ce4f4be4cbb2966274440865557c25795205af2a59a054a6f6964294d289f
@@ -14,3 +16,5 @@ DIST llvm-8.0.0-manpages.tar.bz2 140542 BLAKE2B e6c58865ace0b8848ffe825e931a639d
 DIST llvm-8.0.0.src.tar.xz 30503732 BLAKE2B d89bdeb0ec7d885e49cfe5ae025da84f00502d409710c0807a3cdd58dbd47c50cf6a635593569483150f7f2ecb0de0310bd6785cb7625219bf9f6224a0d68e1c SHA512 1602343b451b964f5d8c2d6b0654d89384c80d45883498c5f0e2f4196168dd4a1ed2a4dadb752076020243df42ffe46cb31d82ffc145d8e5874163cbb9686a1f
 DIST llvm-8.0.1-manpages.tar.bz2 140915 BLAKE2B 13ac9e172728d643dac1d12ac06909b6db3dd9a1a380a92a07867e3cb835f94b265da5d75c4712b5409405a65795d2cb6b32da4098e38cbb95d7023b56bcbbc1 SHA512 23994a2374659fbbf8d9b5160f4d77e9be7c4c9fc14963e8186bbede78b0ee9257f6b6a9c484bc75d72443d65bb24e598841e64af500336283de0f454d6a2073
 DIST llvm-8.0.1.src.tar.xz 30477608 BLAKE2B 4319c837b36111401e3b0f9659b8d875c89463bcc7816df1aefe1e3ff989860bbaa92504718f8e15416cfd9f3491c13777cd5cb661877b237b342b0e515b93f5 SHA512 82e120be5cabdfd5111aebbea68a663fe229c8861d73802d6ab09a3bf48f60de333e07e61f8fb61beaa14ac2bea24fcd74fa6f761acaf62469f536b79fcb1e16
+DIST llvm-9.0.0-manpages.tar.bz2 158546 BLAKE2B eed6235698a0b5993affe305f7fd22cd4cf444adf931275a1685f2049a5f17cf2933907577d9ce142348a3c579769b0436aa2b5a9a953958504125a8c3e83b7d SHA512 64c8d18061eb2870b379a1df485be0b61eac07cb10b3f97347b54b2ee326faa63437ca04466776be282e120dd3f6147e14fffdd38ca370db85748fe5eb54d764
+DIST llvm-9.0.0.src.tar.xz 32994768 BLAKE2B 7f09bff9bcada95ab9c920c78aef92b57e665d9188bab39c734084ceb03a801c942fed48ea77fabeeb6110c648cb69363c659a6ce93ebf67dbba5c187219b13b SHA512 1bb3341e1d231559b948f1505b33c2e2e03989f9b8bbfef0e0cdaff5ac43f85574c9ec5ac53399b914f497d6899425d861411024e8d7e1d1a338c1c6951ac658

diff --git a/sys-devel/clang/clang-9.0.0.ebuild b/sys-devel/clang/clang-9.0.0.ebuild
new file mode 100644
index 00000000000..e72ceac433b
--- /dev/null
+++ b/sys-devel/clang/clang-9.0.0.ebuild
@@ -0,0 +1,311 @@
+# Copyright 1999-2019 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+: ${CMAKE_MAKEFILE_GENERATOR:=ninja}
+# (needed due to CMAKE_BUILD_TYPE != Gentoo)
+CMAKE_MIN_VERSION=3.7.0-r1
+PYTHON_COMPAT=( python{2_7,3_{5,6,7}} )
+
+inherit cmake-utils llvm multilib-minimal multiprocessing \
+	pax-utils python-single-r1 toolchain-funcs
+
+MY_P=cfe-${PV/_/}.src
+EXTRA_P=clang-tools-extra-${PV/_/}.src
+LLVM_P=llvm-${PV/_/}.src
+
+DESCRIPTION="C language family frontend for LLVM"
+HOMEPAGE="https://llvm.org/"
+SRC_URI="https://releases.llvm.org/${PV}/${MY_P}.tar.xz
+	https://releases.llvm.org/${PV}/${EXTRA_P}.tar.xz
+	test? ( https://releases.llvm.org/${PV}/${LLVM_P}.tar.xz )
+	!doc? ( https://dev.gentoo.org/~mgorny/dist/llvm/llvm-${PV}-manpages.tar.bz2 )"
+
+# Keep in sync with sys-devel/llvm
+ALL_LLVM_TARGETS=( AArch64 AMDGPU ARM BPF Hexagon Lanai Mips MSP430
+	NVPTX PowerPC RISCV Sparc SystemZ WebAssembly X86 XCore )
+ALL_LLVM_TARGETS=( "${ALL_LLVM_TARGETS[@]/#/llvm_targets_}" )
+LLVM_TARGET_USEDEPS=${ALL_LLVM_TARGETS[@]/%/?}
+
+# MSVCSetupApi.h: MIT
+# sorttable.js: MIT
+
+LICENSE="Apache-2.0-with-LLVM-exceptions UoI-NCSA MIT"
+SLOT="$(ver_cut 1)"
+KEYWORDS="~amd64 ~arm ~arm64 ~ppc64 ~x86 ~amd64-fbsd ~amd64-linux"
+IUSE="debug default-compiler-rt default-libcxx doc +static-analyzer
+	test xml kernel_FreeBSD ${ALL_LLVM_TARGETS[*]}"
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+	~sys-devel/llvm-${PV}:${SLOT}=[debug=,${LLVM_TARGET_USEDEPS// /,},${MULTILIB_USEDEP}]
+	static-analyzer? ( dev-lang/perl:* )
+	xml? ( dev-libs/libxml2:2=[${MULTILIB_USEDEP}] )
+	${PYTHON_DEPS}"
+DEPEND="${RDEPEND}"
+# configparser-3.2 breaks the build (3.3 or none at all are fine)
+BDEPEND="
+	doc? ( dev-python/sphinx )
+	xml? ( virtual/pkgconfig )
+	!!<dev-python/configparser-3.3.0.2
+	${PYTHON_DEPS}"
+RDEPEND="${RDEPEND}
+	!<sys-devel/llvm-4.0.0_rc:0
+	!sys-devel/clang:0"
+PDEPEND="
+	sys-devel/clang-common
+	~sys-devel/clang-runtime-${PV}
+	default-compiler-rt? ( =sys-libs/compiler-rt-${PV%_*}* )
+	default-libcxx? ( >=sys-libs/libcxx-${PV} )"
+
+REQUIRED_USE="${PYTHON_REQUIRED_USE}
+	|| ( ${ALL_LLVM_TARGETS[*]} )"
+
+# We need extra level of indirection for CLANG_RESOURCE_DIR
+S=${WORKDIR}/x/y/${MY_P}
+
+# least intrusive of all
+CMAKE_BUILD_TYPE=RelWithDebInfo
+
+PATCHES=(
+	# fix linking in non-native build (without tools-extra)
+	# https://bugs.llvm.org/show_bug.cgi?id=43281
+	"${FILESDIR}"/9.0.0/0001-clang-unittest-Import-LLVMTestingSupport-if-necessar.patch
+	# fix build with gcc-9.0.0
+	# https://bugs.llvm.org/show_bug.cgi?id=40547
+	"${FILESDIR}"/9.0.0/0002-Initialize-all-fields-in-ABIArgInfo.patch
+)
+
+# Multilib notes:
+# 1. ABI_* flags control ABIs libclang* is built for only.
+# 2. clang is always capable of compiling code for all ABIs for enabled
+#    target. However, you will need appropriate crt* files (installed
+#    e.g. by sys-devel/gcc and sys-libs/glibc).
+# 3. ${CHOST}-clang wrappers are always installed for all ABIs included
+#    in the current profile (i.e. alike supported by sys-devel/gcc).
+#
+# Therefore: use sys-devel/clang[${MULTILIB_USEDEP}] only if you need
+# multilib clang* libraries (not runtime, not wrappers).
+
+pkg_setup() {
+	LLVM_MAX_SLOT=${SLOT} llvm_pkg_setup
+	python-single-r1_pkg_setup
+}
+
+src_unpack() {
+	# create extra parent dir for CLANG_RESOURCE_DIR
+	mkdir -p x/y || die
+	cd x/y || die
+
+	einfo "Unpacking ${MY_P}.tar.xz ..."
+	tar -xf "${DISTDIR}/${MY_P}.tar.xz" || die
+	einfo "Unpacking ${EXTRA_P}.tar.xz ..."
+	tar -xf "${DISTDIR}/${EXTRA_P}.tar.xz" || die
+
+	mv "${EXTRA_P}" "${S}"/tools/extra || die
+	if use test; then
+		einfo "Unpacking parts of ${LLVM_P}.tar.xz ..."
+		tar -xf "${DISTDIR}/${LLVM_P}.tar.xz" \
+			"${LLVM_P}"/lib/Testing/Support \
+			"${LLVM_P}"/utils/{lit,llvm-lit,unittest} || die
+		mv "${LLVM_P}" "${WORKDIR}"/llvm || die
+	fi
+
+	if ! use doc; then
+		einfo "Unpacking llvm-${PV}-manpages.tar.bz2 ..."
+		tar -xf "${DISTDIR}/llvm-${PV}-manpages.tar.bz2" || die
+	fi
+}
+
+multilib_src_configure() {
+	local llvm_version=$(llvm-config --version) || die
+	local clang_version=$(ver_cut 1-3 "${llvm_version}")
+
+	local mycmakeargs=(
+		-DCMAKE_INSTALL_PREFIX="${EPREFIX}/usr/lib/llvm/${SLOT}"
+		-DCMAKE_INSTALL_MANDIR="${EPREFIX}/usr/lib/llvm/${SLOT}/share/man"
+		# relative to bindir
+		-DCLANG_RESOURCE_DIR="../../../../lib/clang/${clang_version}"
+
+		-DBUILD_SHARED_LIBS=ON
+		-DLLVM_TARGETS_TO_BUILD="${LLVM_TARGETS// /;}"
+		-DLLVM_BUILD_TESTS=$(usex test)
+
+		# these are not propagated reliably, so redefine them
+		-DLLVM_ENABLE_EH=ON
+		-DLLVM_ENABLE_RTTI=ON
+
+		-DCMAKE_DISABLE_FIND_PACKAGE_LibXml2=$(usex !xml)
+		# libgomp support fails to find headers without explicit -I
+		# furthermore, it provides only syntax checking
+		-DCLANG_DEFAULT_OPENMP_RUNTIME=libomp
+
+		# override default stdlib and rtlib
+		-DCLANG_DEFAULT_CXX_STDLIB=$(usex default-libcxx libc++ "")
+		-DCLANG_DEFAULT_RTLIB=$(usex default-compiler-rt compiler-rt "")
+
+		-DCLANG_ENABLE_ARCMT=$(usex static-analyzer)
+		-DCLANG_ENABLE_STATIC_ANALYZER=$(usex static-analyzer)
+	)
+	use test && mycmakeargs+=(
+		-DLLVM_MAIN_SRC_DIR="${WORKDIR}/llvm"
+		-DLLVM_LIT_ARGS="-vv;-j;${LIT_JOBS:-$(makeopts_jobs "${MAKEOPTS}" "$(get_nproc)")}"
+	)
+
+	if multilib_is_native_abi; then
+		mycmakeargs+=(
+			# normally copied from LLVM_INCLUDE_DOCS but the latter
+			# is lacking value in stand-alone builds
+			-DCLANG_INCLUDE_DOCS=$(usex doc)
+			-DCLANG_TOOLS_EXTRA_INCLUDE_DOCS=$(usex doc)
+		)
+		use doc && mycmakeargs+=(
+			-DLLVM_BUILD_DOCS=ON
+			-DLLVM_ENABLE_SPHINX=ON
+			-DCLANG_INSTALL_SPHINX_HTML_DIR="${EPREFIX}/usr/share/doc/${PF}/html"
+			-DCLANG-TOOLS_INSTALL_SPHINX_HTML_DIR="${EPREFIX}/usr/share/doc/${PF}/tools-extra"
+			-DSPHINX_WARNINGS_AS_ERRORS=OFF
+		)
+	else
+		mycmakeargs+=(
+			-DLLVM_TOOL_CLANG_TOOLS_EXTRA_BUILD=OFF
+		)
+	fi
+
+	if [[ -n ${EPREFIX} ]]; then
+		mycmakeargs+=(
+			-DGCC_INSTALL_PREFIX="${EPREFIX}/usr"
+		)
+	fi
+
+	if tc-is-cross-compiler; then
+		[[ -x "/usr/bin/clang-tblgen" ]] \
+			|| die "/usr/bin/clang-tblgen not found or usable"
+		mycmakeargs+=(
+			-DCMAKE_CROSSCOMPILING=ON
+			-DCLANG_TABLEGEN=/usr/bin/clang-tblgen
+		)
+	fi
+
+	# LLVM_ENABLE_ASSERTIONS=NO does not guarantee this for us, #614844
+	use debug || local -x CPPFLAGS="${CPPFLAGS} -DNDEBUG"
+	cmake-utils_src_configure
+}
+
+multilib_src_compile() {
+	cmake-utils_src_compile
+
+	# provide a symlink for tests
+	if [[ ! -L ${WORKDIR}/lib/clang ]]; then
+		mkdir -p "${WORKDIR}"/lib || die
+		ln -s "${BUILD_DIR}/$(get_libdir)/clang" "${WORKDIR}"/lib/clang || die
+	fi
+}
+
+multilib_src_test() {
+	# respect TMPDIR!
+	local -x LIT_PRESERVES_TMP=1
+	cmake-utils_src_make check-clang
+	multilib_is_native_abi && cmake-utils_src_make check-clang-tools
+}
+
+src_install() {
+	MULTILIB_WRAPPED_HEADERS=(
+		/usr/include/clang/Config/config.h
+	)
+
+	multilib-minimal_src_install
+
+	# Move runtime headers to /usr/lib/clang, where they belong
+	mv "${ED}"/usr/include/clangrt "${ED}"/usr/lib/clang || die
+	# move (remaining) wrapped headers back
+	mv "${ED}"/usr/include "${ED}"/usr/lib/llvm/${SLOT}/include || die
+
+	# Apply CHOST and version suffix to clang tools
+	# note: we use two version components here (vs 3 in runtime path)
+	local llvm_version=$(llvm-config --version) || die
+	local clang_version=$(ver_cut 1 "${llvm_version}")
+	local clang_full_version=$(ver_cut 1-3 "${llvm_version}")
+	local clang_tools=( clang clang++ clang-cl clang-cpp )
+	local abi i
+
+	# cmake gives us:
+	# - clang-X
+	# - clang -> clang-X
+	# - clang++, clang-cl, clang-cpp -> clang
+	# we want to have:
+	# - clang-X
+	# - clang++-X, clang-cl-X, clang-cpp-X -> clang-X
+	# - clang, clang++, clang-cl, clang-cpp -> clang*-X
+	# also in CHOST variant
+	for i in "${clang_tools[@]:1}"; do
+		rm "${ED}/usr/lib/llvm/${SLOT}/bin/${i}" || die
+		dosym "clang-${clang_version}" "/usr/lib/llvm/${SLOT}/bin/${i}-${clang_version}"
+		dosym "${i}-${clang_version}" "/usr/lib/llvm/${SLOT}/bin/${i}"
+	done
+
+	# now create target symlinks for all supported ABIs
+	for abi in $(get_all_abis); do
+		local abi_chost=$(get_abi_CHOST "${abi}")
+		for i in "${clang_tools[@]}"; do
+			dosym "${i}-${clang_version}" \
+				"/usr/lib/llvm/${SLOT}/bin/${abi_chost}-${i}-${clang_version}"
+			dosym "${abi_chost}-${i}-${clang_version}" \
+				"/usr/lib/llvm/${SLOT}/bin/${abi_chost}-${i}"
+		done
+	done
+
+	# Remove unnecessary headers on FreeBSD, bug #417171
+	if use kernel_FreeBSD; then
+		rm "${ED}"/usr/lib/clang/${clang_full_version}/include/{std,float,iso,limits,tgmath,varargs}*.h || die
+	fi
+}
+
+multilib_src_install() {
+	cmake-utils_src_install
+
+	# move headers to /usr/include for wrapping & ABI mismatch checks
+	# (also drop the version suffix from runtime headers)
+	rm -rf "${ED}"/usr/include || die
+	mv "${ED}"/usr/lib/llvm/${SLOT}/include "${ED}"/usr/include || die
+	mv "${ED}"/usr/lib/llvm/${SLOT}/$(get_libdir)/clang "${ED}"/usr/include/clangrt || die
+}
+
+multilib_src_install_all() {
+	python_fix_shebang "${ED}"
+	if use static-analyzer; then
+		python_optimize "${ED}"/usr/lib/llvm/${SLOT}/share/scan-view
+	fi
+
+	# install pre-generated manpages
+	if ! use doc; then
+		insinto "/usr/lib/llvm/${SLOT}/share/man/man1"
+		doins "${WORKDIR}/x/y/llvm-${PV}-manpages/clang"/*.1
+	fi
+
+	docompress "/usr/lib/llvm/${SLOT}/share/man"
+	# match 'html' non-compression
+	use doc && docompress -x "/usr/share/doc/${PF}/tools-extra"
+	# +x for some reason; TODO: investigate
+	use static-analyzer && fperms a-x "/usr/lib/llvm/${SLOT}/share/man/man1/scan-build.1"
+}
+
+pkg_postinst() {
+	if [[ -z ${ROOT} && -f ${EPREFIX}/usr/share/eselect/modules/compiler-shadow.eselect ]] ; then
+		eselect compiler-shadow update all
+	fi
+
+	elog "You can find additional utility scripts in:"
+	elog "  ${EROOT}/usr/lib/llvm/${SLOT}/share/clang"
+	elog "To use these scripts, you will need Python 2.7. Some of them are vim"
+	elog "integration scripts (with instructions inside). The run-clang-tidy.py"
+	elog "scripts requires the following additional package:"
+	elog "  dev-python/pyyaml"
+}
+
+pkg_postrm() {
+	if [[ -z ${ROOT} && -f ${EPREFIX}/usr/share/eselect/modules/compiler-shadow.eselect ]] ; then
+		eselect compiler-shadow clean all
+	fi
+}