--- ispc-1.11.0.ebuild	2019-05-26 19:05:31.065167886 +0200
+++ /usr/portage/dev-lang/ispc/ispc-1.9.2.ebuild	2018-04-06 15:03:16.722735725 +0200
@@ -1,11 +1,11 @@
-# Copyright 1999-2019 Gentoo Authors
+# Copyright 1999-2018 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-EAPI=7
+EAPI=6
 
 PYTHON_COMPAT=( python2_7 )
 
-inherit cmake-utils python-any-r1
+inherit toolchain-funcs python-any-r1
 
 DESCRIPTION="Intel SPMD Program Compiler"
 HOMEPAGE="https://ispc.github.com/"
@@ -21,89 +21,32 @@
 
 LICENSE="BSD BSD-2 UoI-NCSA"
 SLOT="0"
-
-# FIXME:
-# - add NVPTX support: fails to compile
-# - re-add examples: fails to compile
-IUSE="doc llvm_targets_AArch64 llvm_targets_ARM sanitize test"
-
-# only one out of 10 tests passes
-RESTRICT="test"
+IUSE="examples"
 
 RDEPEND="
-	sys-devel/clang:=[llvm_targets_AArch64=,llvm_targets_ARM=]
-	sys-libs/ncurses:0=
-	sys-libs/zlib:=
-"
+	>=sys-devel/clang-3.0:*
+	>=sys-devel/llvm-3.0:*
+	"
 DEPEND="
 	${RDEPEND}
 	${PYTHON_DEPS}
-	doc? (
-		app-doc/doxygen[dot(+)]
-		media-fonts/freefont
-	)
-"
-BDEPEND="
 	sys-devel/bison
 	sys-devel/flex
-"
-
-DOCS=( README.md "${S}"/docs/{ReleaseNotes.txt,faq.rst,ispc.rst,news.rst,perf.rst,perfguide.rst} )
-
-src_prepare() {
-	# drop -Werror
-	sed -e 's/-Werror//' -i CMakeLists.txt || die
-
-	# fix path for dot binary
-	if use doc; then
-		sed -e 's|/usr/local/bin/dot|/usr/bin/dot|' -i "${S}"/doxygen.cfg || die
-	fi
-
-	cmake-utils_src_prepare
-}
-
-src_configure() {
-	local mycmakeargs=(
-		-DARM_ENABLED=$(usex llvm_targets_AArch64 $(usex llvm_targets_ARM))
-		-DNVPTX_ENABLED=OFF
-		-DISPC_INCLUDE_EXAMPLES=OFF
-		-DISPC_INCLUDE_TESTS=$(usex test)
-		-DISPC_INCLUDE_UTILS=ON
-		-DISPC_NO_DUMPS=OFF
-		-DISPC_PREPARE_PACKAGE=OFF
-		-DISPC_STATIC_STDCXX_LINK=OFF
-		-DISPC_STATIC_LINK=OFF
-		-DISPC_USE_ASAN=$(usex sanitize)
-	)
-	cmake-utils_src_configure
-}
+	"
 
 src_compile() {
-	cmake-utils_src_compile
-
-	if use doc; then
-		pushd "${S}" >/dev/null || die
-		doxygen -u doxygen.cfg || die "failed to update doxygen.cfg"
-		doxygen doxygen.cfg || die "failed to build documentation"
-		popd >/dev/null || die
-	fi
+	#make all slient commands ("@") verbose and remove -Werror (ispc/ispc#1295)
+	sed -e '/^\t@/s/@//' -e 's/-Werror//' -i Makefile || die
+	emake LDFLAGS="${LDFLAGS}" OPT="${CXXFLAGS}" CXX="$(tc-getCXX)" CPP="$(tc-getCPP)"
 }
 
 src_install() {
-	cmake-utils_src_install
+	dobin ispc
+	dodoc README.rst
 
-	if use doc; then
-		local HTML_DOCS=( docs/doxygen/html/. )
+	if use examples; then
+		insinto "/usr/share/doc/${PF}/examples"
+		docompress -x "/usr/share/doc/${PF}/examples"
+		doins -r examples/*
 	fi
-	einstalldocs
-
-#	if use examples; then
-#		insinto "/usr/share/doc/${PF}/examples"
-#		docompress -x "/usr/share/doc/${PF}/examples"
-#		doins -r examples/*
-#	fi
-}
-
-src_test() {
-	eninja check-all
 }