gentoo auto-resync : 28:12:2022 - 08:12:20

6 files changed, 360 insertions, 1 deletions

diff --git a/sci-mathematics/Manifest.gz b/sci-mathematics/Manifest.gz
index 9f6793f157d0..8b5fa4dded36 100644
--- a/sci-mathematics/Manifest.gz
+++ b/sci-mathematics/Manifest.gz
diff --git a/sci-mathematics/petsc/Manifest b/sci-mathematics/petsc/Manifest
index 13cea1de1b2f..5ab4935a9fba 100644
--- a/sci-mathematics/petsc/Manifest
+++ b/sci-mathematics/petsc/Manifest
@@ -3,6 +3,8 @@ AUX petsc-3.7.0-disable-rpath.patch 909 BLAKE2B b9b6064886d6c10b382982778398cb7f
 DIST petsc-3.16.0-fftw-without-mpi.patch.bz2 5824 BLAKE2B 59615b1bbaf8ca1da92d7d193a45a2dd434f762cd741d711d4f408183a201a276ac3c968a3e7d740d19212120271701bce52bb7b0f4e311268f40915c81f9dcb SHA512 8e07dfe56a9150ce9a3a5ab8012657875ef84e6e7daa60560bbdd9062078c876a826057f3f3eaf1697ce046a82756ee6eb6a8b819eb51245367c9d5c8a72ee8e
 DIST petsc-3.16.0.tar.gz 16748960 BLAKE2B 87f9fdb79a9c44e5f476fa4746ad0cbe72f3eda9f6039f2e4743105626701d7c8d6c010fdb9d89becf8619288d0b7a60c8bc4e2fc0793eac5b39030b02c04fd9 SHA512 5280032fb4ec4d058733788bb0ae674e7400565e204133bd10ed88a2965230ec7adeaca2d498267ce661377ca7e6f9d948992206b1d679587606cb422c004655
 DIST petsc-3.17.1.tar.gz 17082265 BLAKE2B de1bfe45f93e18e32181499e59912df9225c8e24d75f52e641e552fd43e4d5be48d549d284365b173aa93e51603f5b7740eaac0557ff8c7c96b370f4683257f6 SHA512 8c81cc148b1a899a55e54a013d61519ec7b44f98f7ae30c3f8d0e83ba285b23f4b4d9e2cd483c531d337bc41887e4079b727ba73676b1b653910140291e93575
+DIST petsc-3.18.2.tar.gz 18409507 BLAKE2B 999d4fc80dedb5f9ce58333b6052b15ff499e3d5e4fee3e37639f5e3d2c5e86b514290d01e75b71795467436254d2cb8b05dac3d6252c80db898010bbed95544 SHA512 a8e9757144a20d61c004f54615821df7f9dbd920af71fea4674eb0fd1bf9f0b50dbc5c89aae285fef35a23daf67ba9647e479a6e92dbcd26e53fd8302735a47b
 EBUILD petsc-3.16.0-r1.ebuild 5427 BLAKE2B 9fe488d1f477469b422fcc535709b64b0fc5cac6a7f46e1c77b1f4a55af8658d07ddad9eb38d994b19deb0c4266216b18cd8c0035dc142fa13b13e0854837703 SHA512 20e80e39d81346e9c4d342a8010da080abdea56dfa4408dd10f1ae3a688a198244b6dd1a9731812d7fbdb21d0bfd0a32573c305e66208c0d23b2e538135033dc
 EBUILD petsc-3.17.1-r1.ebuild 5403 BLAKE2B 4e792da75e973ca1dd850c84a5441d0a509f911a4267d9f6ee4dfb778647b7a75b0ce512ff68332f546a38b0d5781c44bda4766df7e5900559a097a5d22c5ff5 SHA512 9989ef401f8f4e19331a117625a4a3099f306a6f19ad53ebc6d14658f5961f8a6b0b961ab3e87db4270713b68fde96d723dca8dc12af1916fad3ef3bf0e8dff7
+EBUILD petsc-3.18.2.ebuild 7335 BLAKE2B 977259d49832ae9cb49b107910c84f51a2e6574efeb00e6347609e3eab9b8506f9c1f24dbf81d3181fe1e7979edcee69efb223a9ca676b466421367c4ee1546f SHA512 82e935fc67f3cde6dcf8302bbd5fcd5c18bc89bdbe23086ef2761ff0b8ca115d2449c0e97e09311ad378268744ed7a67a9db7e21ed167b50213d501952ad2a95
 MISC metadata.xml 1234 BLAKE2B 15951140c7123ce11ae325ab3491822abf4143b053c62e3b47d192785a9fcf8ea3a1e30c68023bdd4eaecafd312aec1b519c2bf4a2a6fc07ae7b88f2266ea4ee SHA512 84fbcacb317baa8fbc71c143d42ae9e4ea00dffbe9fbd1b113065d6d493d52461737c33cdb36e39a558d5aafa58ea3fc7078f3af8605fd7c8733afe6469390e4
diff --git a/sci-mathematics/petsc/petsc-3.18.2.ebuild b/sci-mathematics/petsc/petsc-3.18.2.ebuild
new file mode 100644
index 000000000000..b011f88b5043
--- /dev/null
+++ b/sci-mathematics/petsc/petsc-3.18.2.ebuild
@@ -0,0 +1,236 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{8..11} pypy3 )
+
+inherit flag-o-matic fortran-2 python-any-r1 toolchain-funcs
+
+DESCRIPTION="Portable, Extensible Toolkit for Scientific Computation"
+HOMEPAGE="https://www.mcs.anl.gov/petsc"
+SRC_URI="http://ftp.mcs.anl.gov/pub/petsc/release-snapshots/${P}.tar.gz"
+
+LICENSE="BSD-2"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+IUSE="afterimage boost complex-scalars debug +examples fftw
+fortran hdf5 hypre int64 mpi metis mumps scotch superlu threads X"
+
+# readd sparse when suitesparse-5.6.0 is in tree
+# sparse? ( >=sci-libs/suitesparse-5.6.0 >=sci-libs/cholmod-1.7.0 )
+# $(use_with sparse suitesparse) \
+RDEPEND="
+	virtual/blas
+	virtual/lapack
+
+	afterimage? ( media-libs/libafterimage )
+	boost? ( dev-libs/boost )
+	fftw? ( sci-libs/fftw:3.0[mpi?] )
+	hdf5? ( sci-libs/hdf5[mpi?] )
+	hypre? ( >=sci-libs/hypre-2.18.0[int64?,mpi?] )
+	metis? ( >=sci-libs/parmetis-4 )
+	mpi? ( virtual/mpi[fortran?] )
+	mumps? ( sci-libs/mumps[mpi?] sci-libs/scalapack )
+	scotch? ( sci-libs/scotch[int64?,mpi?] )
+	superlu? ( >=sci-libs/superlu-5 )
+	X? ( x11-libs/libX11 )
+"
+DEPEND="
+	${RDEPEND}
+	${PYTHON_DEPS}
+"
+BDEPEND="
+	dev-util/cmake
+	sys-apps/which
+	virtual/pkgconfig
+"
+
+# hypre and superlu curretly exclude each other due to missing linking to hypre
+# if both are enabled
+REQUIRED_USE="
+	afterimage? ( X )
+	complex-scalars? ( !hypre !superlu )
+	fftw? ( mpi )
+	hdf5? ( mpi )
+	hypre? ( mpi !superlu )
+	mumps? ( mpi scotch )
+	scotch? ( mpi )
+	superlu? ( !hypre )
+"
+PATCHES=(
+	"${FILESDIR}/${PN}-3.7.0-disable-rpath.patch"
+	"${FILESDIR}"/${PN}-3.16.0-fix_sandbox_violation.patch
+)
+
+# petsc uses --with-blah=1 and --with-blah=0 to en/disable options
+petsc_enable() {
+	use "$1" && echo "--with-${2:-$1}=1" || echo "--with-${2:-$1}=0"
+}
+# add external library:
+# petsc_with use_flag libname libdir
+# petsc_with use_flag libname include linking_libs
+petsc_with() {
+	local myuse p=${2:-${1}}
+	if use ${1}; then
+		myuse="--with-${p}=1"
+		if [[ $# -ge 4 ]]; then
+			myuse="${myuse} --with-${p}-include=${EPREFIX}${3}"
+			shift 3
+			myuse="${myuse} --with-${p}-lib=$@"
+		else
+			myuse="${myuse} --with-${p}-dir=${EPREFIX}${3:-/usr}"
+		fi
+	else
+		myuse="--with-${p}=0"
+	fi
+	echo ${myuse}
+}
+
+# select between configure options depending on use flag
+petsc_select() {
+	use "$1" && echo "--with-$2=$3" || echo "--with-$2=$4"
+}
+
+src_configure() {
+	# bug 548498
+	# PETSc runs mpi processes during configure that result in a sandbox
+	# violation by trying to open /proc/mtrr rw. This is not easy to
+	# mitigate because it happens in libpciaccess.so called by libhwloc.so,
+	# which is used by libmpi.so.
+	addpredict /proc/mtrr
+	# if mpi is built with knem support it needs /dev/knem too
+	addpredict /dev/knem
+
+	# configureMPITypes with openmpi-2* insists on accessing the scaling
+	# governor rw.
+	addpredict /sys/devices/system/cpu/
+
+	# bug 771711
+	# configureMPIEXEC and  configureMPITypes access /dev/nvidiactl
+	addpredict /dev/nvidiactl
+
+	# bug 810841
+	addpredict /dev/kfd
+
+	local myopt
+
+	use debug && myopt="debug" || myopt="opt"
+
+	# environmental variables expected by petsc during build
+
+	export PETSC_DIR="${S}"
+	export PETSC_ARCH="linux-gnu-c-${myopt}"
+
+	if use debug; then
+		strip-flags
+		filter-flags -O*
+	fi
+
+	tc-export AR RANLIB
+
+	# C Support on CXX builds is enabled if possible i.e. when not using
+	# complex scalars (no complex type for both available at the same time)
+
+	econf \
+		scrollOutput=1 \
+		AR="${AR}" \
+		CFLAGS="${CFLAGS} -fPIC" \
+		CPPFLAGS="${CPPFLAGS}" \
+		CXXFLAGS="${CXXFLAGS} -fPIC" \
+		CXXOPTFLAGS="${CXXFLAGS} -fPIC" \
+		FCFLAGS="${FCFLAGS} -fPIC" \
+		FFLAGS="${FFLAGS} -fPIC" \
+		LDFLAGS="${LDFLAGS}" \
+		MAKEFLAGS="${MAKEFLAGS}" \
+		RANLIB="${RANLIB}" \
+		--prefix="${EPREFIX}/usr/$(get_libdir)/petscdir/" \
+		--with-blas-lapack-lib="$($(tc-getPKG_CONFIG) --libs blas lapack)" \
+		--with-cmake:BOOL=1 \
+		--with-gnu-compilers \
+		--with-imagemagick=0 \
+		--with-petsc-arch="${PETSC_ARCH}" \
+		--with-precision=double \
+		--with-python=0 \
+		--with-shared-libraries \
+		--with-single-library \
+		--with-windows-graphics=0 \
+		$(petsc_enable debug debugging) \
+		$(petsc_enable fortran) \
+		$(petsc_enable mpi) \
+		$(petsc_enable mpi mpi-compilers) \
+		$(petsc_enable threads pthread) \
+		$(petsc_select complex-scalars scalar-type complex real) \
+		$(petsc_select mpi cc mpicc $(tc-getCC)) \
+		$(petsc_select mpi cxx mpicxx $(tc-getCXX)) \
+		$(petsc_with afterimage afterimage /usr/include/libAfterImage -lAfterImage) \
+		$(petsc_with hypre hypre /usr/include/hypre -lHYPRE) \
+		$(petsc_with superlu superlu /usr/include/superlu -lsuperlu) \
+		$(petsc_with scotch ptscotch /usr/include/scotch [-lptesmumps,-lptscotch,-lptscotcherr,-lscotch,-lscotcherr]) \
+		$(petsc_with mumps scalapack /usr/include/scalapack -lscalapack) \
+		$(petsc_with mumps mumps /usr/include [-lcmumps,-ldmumps,-lsmumps,-lzmumps,-lmumps_common,-lpord]) \
+		$(use fortran && echo "$(petsc_select mpi fc mpif77 $(tc-getF77))") \
+		$(use int64 && echo "--with-index-size=64") \
+		$(use_with boost) \
+		$(use_with fftw) \
+		$(use_with hdf5) \
+		$(use_with X x) \
+		$(use_with X x11)
+}
+
+src_install() {
+	emake DESTDIR="${ED}" install
+
+	#
+	# Clean up the mess:
+	#
+
+	# put all include directories under a proper subdirectory
+	mkdir "${ED}"/usr/include || die "mkdir failed (include)"
+	mv "${ED}"/usr/{$(get_libdir)/petscdir/include,include/petsc} || die "mv failed (include)"
+
+	# put libraries and pkconfig file into proper place
+	mv "${ED}"/usr/$(get_libdir)/petscdir/lib/{libpetsc*,pkgconfig} \
+		"${ED}/usr/$(get_libdir)" || die "mv failed (lib)"
+
+	# move share to proper location
+	mv "${ED}"/usr/{$(get_libdir)/petscdir/share,share} || die "mv failed (share)"
+
+	# fix pc files:
+	sed -i \
+		-e 's#include$#include/petsc#' \
+		-e "s#lib\$#$(get_libdir)#" \
+		-e "s#^prefix=.*petscdir\$#prefix=${EPREFIX}/usr#" \
+		"${ED}"/usr/$(get_libdir)/pkgconfig/*.pc || die "sed failed (pkgconfig)"
+
+	# recreate a "valid" petscdir:
+	for i in "${ED}"/usr/$(get_libdir)/*; do
+		[ $(basename $i) = petscdir ] && continue
+		ln -s "${EPREFIX}/usr/$(get_libdir)/$(basename $i)" \
+			"${ED}/usr/$(get_libdir)/petscdir/lib/$(basename $i)" || die "ln failed (petscdir)"
+	done
+	ln -s "${EPREFIX}"/usr/include/petsc/ \
+		"${ED}/usr/$(get_libdir)/petscdir/include" || die "ln failed (petscdir)"
+	mkdir "${ED}/usr/$(get_libdir)/petscdir/share" || die "mkdir fialed (petscdir)"
+	ln -s "${EPREFIX}"/usr/share/petsc/ \
+		"${ED}/usr/$(get_libdir)/petscdir/share/petsc" || die "ln failed (petscdir)"
+
+	# automatically symlink petsc matlab modules:
+	mkdir -p "${ED}"/usr/share/octave/site/m/
+	ln -s "${EPREFIX}"/usr/share/petsc/matlab "${ED}"/usr/share/octave/site/m/petsc || die "ln failed (matlab)"
+
+	if use examples; then
+		mkdir -p "${ED}"/usr/share/doc/${PF} || die "mkdir failed (examples)"
+		mv "${ED}"/usr/share/petsc/examples "${ED}"/usr/share/doc/${PF} || die "mv failed (examples)"
+		ln -s "${EPREFIX}"/usr/share/doc/${PF}/examples "${ED}"/usr/share/petsc/examples || die "ln failed (examples)"
+		docompress -x /usr/share/doc/${PF}/examples
+	else
+		rm -r "${ED}"/usr/share/petsc/examples || die "rm failed (examples)"
+	fi
+
+	# add PETSC_DIR to environmental variables
+	cat >> 99petsc <<- EOF
+		PETSC_DIR=${EPREFIX}/usr/$(get_libdir)/petscdir
+	EOF
+	doenvd 99petsc
+}
diff --git a/sci-mathematics/slepc/Manifest b/sci-mathematics/slepc/Manifest
index a2d527fc518c..80b398ba7851 100644
--- a/sci-mathematics/slepc/Manifest
+++ b/sci-mathematics/slepc/Manifest
@@ -1,5 +1,7 @@
 DIST slepc-3.16.0.tar.gz 5486237 BLAKE2B 28f45036ba7e6aa2b227c6f25e2c8edf7fc6914f3150043a7e310f270d24e669f32172897b558687c33a809c484e314a865296d4879a622d85004d329ec3bd1c SHA512 15ba9e4626fe3cf44142448b77869fa6d313bb7c026736d5552dfbab1ce350c2e2f2379fb647a1c236af8cb95895e4442dca1defa741a5b2b9172cbdf0baf75f
 DIST slepc-3.17.1.tar.gz 5450177 BLAKE2B ec4f597085a176a010797d599779cc4532e52996105bb76f755073876ebb81026c580cb5759a03bda58cb2de2767b1dcdb01ff0d946f218117edb2a7a6557414 SHA512 5429aa7516ec0b2fee8158f9317634faf1c963aa60237be81a0392d5f2fa9f531db59b4a9ad04e266d808befdbd71b5a30259b4abc639a1da2defffd74acd35b
+DIST slepc-3.18.1.tar.gz 6013016 BLAKE2B 1526b7e6e0f0387a8410cfcbee9bc62f35f930420b86bcb58146b16f73b28b349c6aad0ef59e02a635c374a0a8b6eb16ac50b7bcb79ce6c06a3de56029db551a SHA512 d366844c492be6bf77edabdbe0d61672ead45605fc299c25ac24bf14d9d15bc107bb62f0d08aa403a5f269a2b12ae4d7cd3768958d792812e6c1924b93a27be4
 EBUILD slepc-3.16.0.ebuild 1583 BLAKE2B 1897d8420f72f8732d604981f73fc00770749195cc8310b3ca4c464a2e07793b0445549dd68f14bb48973f686b39f95639388478cd0b2189251f4c1952d2272c SHA512 e9cec56f0df9015ddadd844392f50d0cc8faaf2929c717f07089af0b2dc73a43ed9d3fdffa23c49a254e445dfec034d62026242780392404b49ae79e7a0508dd
 EBUILD slepc-3.17.1.ebuild 1530 BLAKE2B 7e80b3ee23830066b7e1e3eca61772d2b3f8142dd8aae6f239f99126369f8d4838aa88fe852aa7db5cd95a9a364bc3e5e1c78c300756c346abdc2585c3602181 SHA512 809b67f9ae40b19f29b8f47953562542d736437e99e943637b7ca5620ff00b7839815c6c1ee72e11dbb6a5c8823c17c32348e7c9adfb8f5c97197a3529f735e1
-MISC metadata.xml 452 BLAKE2B 88f38d59fe707307721dce331ce359fb394e246e86c9acffe2bca8dcbd08f02f843ecb1c3812ed15af022edb2ccb4132e16067da9ac58129dfdef4119cc00738 SHA512 37974d7da3a3b4ae085ac3430c85ff74d4fafe453b9ef32cccebf893cdcc3074d89f4560056e7e54145ed24fa4f76a2126baf9a01b6a5477babd4fcb412f792c
+EBUILD slepc-3.18.1.ebuild 3421 BLAKE2B 5af8c398570395d1e95afbaa37aa08426021cd04ce85310663b5323fa41295ffbabcfa7ebcabb40f784635e5c60796e54b492ee194d814443d8968c1b3b0ccea SHA512 1e88e01451ad1be170f023025cbf263c8636dc21c44ea945f33c04ec7c75760a561b523f533f6ea21f56985f4bb06282a4c6ddd43c1a37bb4dafe73b7407a8e1
+MISC metadata.xml 534 BLAKE2B d69665b8748404c15776f2a3759477d0ea6ab79f7f0f33fd2199310641bfb47d96189e3479728cafd4978af9c913aaa424221a1aef42727f9af244ff9040c708 SHA512 cc16480b710ee9977bb3fd3b1e3c664b29127a5385952d41e62578d0d22c06a06a2f5194ca9fc7521d8dbbc9b1ffd53fc5e019128c62910b556f3fceefe7c8ae
diff --git a/sci-mathematics/slepc/metadata.xml b/sci-mathematics/slepc/metadata.xml
index a8d5fa4419fe..d04f7a280211 100644
--- a/sci-mathematics/slepc/metadata.xml
+++ b/sci-mathematics/slepc/metadata.xml
@@ -10,6 +10,7 @@
 		<name>Gentoo Mathematics Project</name>
 	</maintainer>
 	<use>
+		<flag name="arpack">Adds support for ARPACK (<pkg>sci-libs/arpack</pkg>)</flag>
 		<flag name="complex-scalars">Make scalars complex</flag>
 	</use>
 </pkgmetadata>
diff --git a/sci-mathematics/slepc/slepc-3.18.1.ebuild b/sci-mathematics/slepc/slepc-3.18.1.ebuild
new file mode 100644
index 000000000000..507db75bf443
--- /dev/null
+++ b/sci-mathematics/slepc/slepc-3.18.1.ebuild
@@ -0,0 +1,118 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{8..11} )
+
+inherit python-any-r1
+
+DESCRIPTION="Scalable Library for Eigenvalue Problem Computations"
+HOMEPAGE="https://slepc.upv.es/"
+SRC_URI="https://slepc.upv.es/download/distrib/${P}.tar.gz"
+
+LICENSE="LGPL-3"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+IUSE="arpack complex-scalars doc +examples mpi"
+
+REQUIRED_USE="arpack? ( mpi )"
+
+RDEPEND="
+	=sci-mathematics/petsc-$(ver_cut 1-2)*:=[examples,mpi=,complex-scalars=]
+	arpack? ( sci-libs/arpack[mpi=] )
+	mpi? ( virtual/mpi )
+"
+
+DEPEND="${RDEPEND}
+	${PYTHON_DEPS}
+	virtual/pkgconfig
+	dev-util/cmake
+"
+
+MAKEOPTS="${MAKEOPTS} V=1"
+
+src_configure() {
+	# *sigh*
+	addpredict "${PETSC_DIR}"/.nagged
+
+	# Make sure that the environment is set up correctly:
+	unset PETSC_DIR
+	unset PETSC_ARCH
+	source "${EPREFIX}"/etc/env.d/99petsc
+	export PETSC_DIR
+	export PETSC_ARCH
+	export SLEPC_DIR="${S}"
+
+	# configure is a custom python script and doesn't want to have default
+	# configure arguments that we set with econf
+	if use arpack; then
+		./configure \
+			--prefix="${EPREFIX}/usr/$(get_libdir)/slepcdir" \
+			--with-arpack=1 \
+			--with-arpack-lib="$(usex mpi "-lparpack -larpack" "-larpack")"
+	else
+		./configure \
+			--prefix="${EPREFIX}/usr/$(get_libdir)/slepcdir" \
+			--with-arpack=0
+	fi
+}
+
+src_install() {
+	emake DESTDIR="${ED}" install
+
+	#
+	# Clean up the mess:
+	#
+
+	# put all include directories under a proper subdirectory
+	mkdir "${ED}"/usr/include || die "mkdir failed (include)"
+	mv "${ED}"/usr/{$(get_libdir)/slepcdir/include,include/slepc} || die "mv failed (include)"
+
+	# put libraries and pkconfig file into proper place
+	mv "${ED}"/usr/$(get_libdir)/slepcdir/lib/{libslepc*,pkgconfig} \
+		"${ED}/usr/$(get_libdir)" || die "mv failed (lib)"
+
+	# move share to proper location
+	mv "${ED}"/usr/{$(get_libdir)/slepcdir/share,share} || die "mv failed (share)"
+
+	# fix pc files:
+	sed -i \
+		-e 's#include$#include/slepc#' \
+		-e "s#lib\$#$(get_libdir)#" \
+		-e "s#^prefix=.*slepcdir\$#prefix=${EPREFIX}/usr#" \
+		"${ED}"/usr/$(get_libdir)/pkgconfig/*.pc || die "sed failed (pkgconfig)"
+
+	# recreate a "valid" slepcdir:
+	for i in "${ED}"/usr/$(get_libdir)/*; do
+		[ $(basename $i) = slepcdir ] && continue
+		ln -s "${EPREFIX}/usr/$(get_libdir)/$(basename $i)" \
+			"${ED}/usr/$(get_libdir)/slepcdir/lib/$(basename $i)" || die "ln failed (slepcdir)"
+	done
+	ln -s "${EPREFIX}"/usr/include/slepc/ \
+		"${ED}/usr/$(get_libdir)/slepcdir/include" || die "ln failed (slepcdir)"
+	mkdir "${ED}/usr/$(get_libdir)/slepcdir/share" || die "mkdir fialed (slepcdir)"
+	ln -s "${EPREFIX}"/usr/share/slepc/ \
+		"${ED}/usr/$(get_libdir)/slepcdir/share/slepc" || die "ln failed (slepcdir)"
+
+	if use examples; then
+		mkdir -p "${ED}"/usr/share/doc/${PF} || die "mkdir failed (examples)"
+		mv "${ED}"/usr/share/slepc/examples "${ED}"/usr/share/doc/${PF} || die "mv failed (examples)"
+		ln -s "${EPREFIX}"/usr/share/doc/${PF}/examples "${ED}"/usr/share/slepc/examples || die "ln failed (examples)"
+		docompress -x /usr/share/doc/${PF}/examples
+	else
+		rm -r "${ED}"/usr/share/slepc/examples || die "rm failed (examples)"
+	fi
+
+	if use doc ; then
+		dodoc docs/slepc.pdf
+		docinto html
+		dodoc -r docs/*.html docs/manualpages
+	fi
+
+	# add PETSC_DIR to environmental variables
+	cat >> 99slepc <<- EOF
+		SLEPC_DIR=${EPREFIX}/usr/$(get_libdir)/slepcdir
+	EOF
+	doenvd 99slepc
+}