3 files changed, 87 insertions, 0 deletions
diff --git a/sci-libs/sundials/Manifest b/sci-libs/sundials/Manifest
index 76d2de2d2679..8e2bf49a6617 100644
--- a/sci-libs/sundials/Manifest
+++ b/sci-libs/sundials/Manifest
@@ -1 +1,2 @@
+DIST sundials-3.2.1.tar.gz 14958699 BLAKE2B ecc4b454ec589e9177acc9375e1db370ad6281f8d29580d9558ad3146dbbaab52794013e9cb56ad83f7309dbd3084a1ccaf6972c6b1468cefcc86bf30d3a460c SHA512 1f3e4b12f368e4f50c38b970c012f1702e339319ee0a858661bdf83e5739bb5b8a36f98b82e2ef76d1ce8a473123046347ee1b44f3cb685509823864f0af1384
 DIST sundials-5.2.0.tar.gz 18639221 BLAKE2B c10e6deb5839993b8601347be94412d0b0c058084b4dc0d380681f7b4debd535f9736c2ef734e9fd84c6ddc190ab05f46abcb711225ec1f156a18d8edb6317fb SHA512 99163a104e436dab4779c77519502b5614b65d726324b29b14236315f6916beb5863fcd56b5acf19f62985c033b227fba1ebd3d3c4607ce991d94ee7739bb55f
diff --git a/sci-libs/sundials/files/sundials-3.2.1-fix-license-install-path.patch b/sci-libs/sundials/files/sundials-3.2.1-fix-license-install-path.patch
new file mode 100644
index 000000000000..eba90b52ac48
--- /dev/null
+++ b/sci-libs/sundials/files/sundials-3.2.1-fix-license-install-path.patch
@@ -0,0 +1,9 @@
+diff -Nur old/CMakeLists.txt new/CMakeLists.txt
+--- old/CMakeLists.txt	2018-10-11 22:22:09.000000000 +0300
++++ new/CMakeLists.txt	2019-06-23 00:33:27.000000000 +0300
+@@ -1117,4 +1117,4 @@
+ # install license file
+ INSTALL(
+   FILES ${PROJECT_SOURCE_DIR}/LICENSE
+-  DESTINATION include/sundials)
++  DESTINATION share/doc/sundials-3.2.1)
diff --git a/sci-libs/sundials/sundials-3.2.1.ebuild b/sci-libs/sundials/sundials-3.2.1.ebuild
new file mode 100644
index 000000000000..36bca3f96aa9
--- /dev/null
+++ b/sci-libs/sundials/sundials-3.2.1.ebuild
@@ -0,0 +1,77 @@
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+CMAKE_MAKEFILE_GENERATOR="emake"
+FORTRAN_NEEDED=fortran
+FORTRAN_STANDARD=90
+
+inherit cmake-utils toolchain-funcs fortran-2
+
+DESCRIPTION="Suite of nonlinear solvers"
+HOMEPAGE="https://computation.llnl.gov/projects/sundials"
+SRC_URI="https://computation.llnl.gov/projects/sundials/download/${P}.tar.gz"
+
+LICENSE="BSD"
+SLOT="0/$(ver_cut 1)"
+KEYWORDS="amd64 ~x86 ~amd64-linux ~x86-linux"
+IUSE="cxx doc examples fortran hypre lapack mpi openmp sparse static-libs superlumt threads"
+REQUIRED_USE="hypre? ( mpi )"
+
+RDEPEND="
+	lapack? ( virtual/lapack )
+	mpi? ( virtual/mpi sci-libs/hypre:= )
+	sparse? ( sci-libs/klu:= )
+	superlumt? ( sci-libs/superlu_mt:= )
+"
+DEPEND="${RDEPEND}
+	virtual/pkgconfig"
+
+PATCHES=( "${FILESDIR}"/${P}-fix-license-install-path.patch )
+
+pkg_setup() {
+	if [[ ${MERGE_TYPE} != binary ]] && use openmp && [[ $(tc-getCC) == *gcc ]] && ! tc-has-openmp; then
+		ewarn "OpenMP is not available in your current selected gcc"
+		die "need openmp capable gcc"
+	fi
+}
+
+src_configure() {
+	mycmakeargs+=(
+		-DBUILD_SHARED_LIBS=ON
+		-DBUILD_STATIC_LIBS="$(usex static-libs)"
+		-DCXX_ENABLE="$(usex cxx)"
+		-DFCMIX_ENABLE="$(usex fortran)"
+		-DF90_ENABLE="$(usex fortran)"
+		-DHYPRE_ENABLE="$(usex hypre)"
+		-DHYPRE_INCLUDE_DIR="${EPREFIX}/usr/include/hypre"
+		-DKLU_ENABLE="$(usex sparse)"
+		-DLAPACK_ENABLE="$(usex lapack)"
+		-DMPI_ENABLE="$(usex mpi)"
+		-DOPENMP_ENABLE="$(usex openmp)"
+		-DPTHREAD_ENABLE="$(usex threads)"
+		-DSUPERLUMT_ENABLE="$(usex superlumt)"
+		-DEXAMPLES_ENABLE="$(usex examples)"
+		-DEXAMPLES_INSTALL=ON
+		-DEXAMPLES_INSTALL_PATH="/usr/share/doc/${PF}/examples"
+		-DUSE_GENERIC_MATH=ON
+	)
+	use sparse && mycmakeargs+=(
+		-DKLU_LIBRARY="${EPREFIX}/usr/$(get_libdir)/libklu.so"
+	)
+	use superlumt && mycmakeargs+=(
+		-DSUPERLUMT_INCLUDE_DIR="${EPREFIX}/usr/include/superlu_mt"
+		-DSUPERLUMT_LIBRARY="superlu_mt"
+	)
+	cmake-utils_src_configure
+}
+
+src_install() {
+	cmake-utils_src_install
+	use doc && dodoc doc/*/*.pdf
+	cd src
+	for r in */README; do
+		newdoc ${r} README-${r%/*}
+	done
+}