sci-libs/hdf5: ROS3 support

Package-Manager: Portage-3.0.23, Repoman-3.0.3
Signed-off-by: Horea Christian <chr@chymera.eu>
Closes: https://github.com/gentoo/gentoo/pull/22455
Signed-off-by: Jakov Smolić <jsmolic@gentoo.org>

2 files changed, 129 insertions, 5 deletions

diff --git a/sci-libs/hdf5/hdf5-1.12.1-r1.ebuild b/sci-libs/hdf5/hdf5-1.12.1-r1.ebuild
new file mode 100644
index 000000000000..9a0d092cd1fa
--- /dev/null
+++ b/sci-libs/hdf5/hdf5-1.12.1-r1.ebuild
@@ -0,0 +1,123 @@
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+FORTRAN_NEEDED="fortran"
+
+inherit cmake flag-o-matic fortran-2
+
+MY_P="${PN}-${PV/_p/-patch}"
+MAJOR_P="${PN}-$(ver_cut 1-2)"
+
+DESCRIPTION="General purpose library and file format for storing scientific data"
+HOMEPAGE="https://www.hdfgroup.org/HDF5/"
+SRC_URI="https://www.hdfgroup.org/ftp/HDF5/releases/${MAJOR_P}/${MY_P}/src/${MY_P}.tar.bz2"
+
+LICENSE="NCSA-HDF"
+SLOT="0/${PV%%_p*}"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~ppc ~ppc64 ~riscv ~sparc ~x86 ~amd64-linux ~x86-linux"
+IUSE="cxx debug doc examples fortran +hl mpi ros3 szip test threads unsupported zlib"
+
+REQUIRED_USE="
+	!unsupported? (
+		mpi? ( !cxx !threads )
+		threads? ( !cxx !fortran !hl )
+	)"
+
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+	mpi? ( virtual/mpi[romio] )
+	ros3? (
+		net-misc/curl
+		dev-libs/openssl:=
+	)
+	szip? ( virtual/szip )
+	zlib? ( sys-libs/zlib:0= )
+"
+DEPEND="${RDEPEND}"
+BDEPEND="doc? (
+	app-doc/doxygen
+	virtual/latex-base
+)"
+
+PATCHES=(
+	"${FILESDIR}"/${PN}-1.12.1-cmake_installdirs.patch
+)
+
+S="${WORKDIR}/${MY_P}"
+
+pkg_setup() {
+	use fortran && fortran-2_pkg_setup
+
+	if use mpi; then
+		if has_version 'sci-libs/hdf5[-mpi]'; then
+			ewarn "Installing hdf5 with mpi enabled with a previous hdf5 with mpi disabled may fail."
+			ewarn "Try to uninstall the current hdf5 prior to enabling mpi support."
+		fi
+		export CC="mpicc"
+		use fortran && export FC="mpif90"
+		append-libs -lmpi
+	elif has_version 'sci-libs/hdf5[mpi]'; then
+		ewarn "Installing hdf5 with mpi disabled while having hdf5 installed with mpi enabled may fail."
+		ewarn "Try to uninstall the current hdf5 prior to disabling mpi support."
+	fi
+}
+
+src_configure() {
+	local mycmakeargs=(
+		-DBUILD_STATIC_LIBS=OFF
+		-DFETCHCONTENT_FULLY_DISCONNECTED=ON
+		-DHDF5_BUILD_EXAMPLES=OFF
+		-DALLOW_UNSUPPORTED=$(usex unsupported)
+		-DBUILD_TESTING=$(usex test)
+		-DHDF5_BUILD_CPP_LIB=$(usex cxx)
+		-DHDF5_BUILD_DOC=$(usex doc)
+		-DHDF5_BUILD_FORTRAN=$(usex fortran)
+		-DHDF5_BUILD_HL_LIB=$(usex hl)
+		-DHDF5_ENABLE_CODESTACK=$(usex debug)
+		-DHDF5_ENABLE_PARALLEL=$(usex mpi)
+		-DHDF5_ENABLE_SZIP_ENCODING=$(usex szip)
+		-DHDF5_ENABLE_SZIP_SUPPORT=$(usex szip)
+		-DHDF5_ENABLE_THREADSAFE=$(usex threads)
+		-DHDF5_ENABLE_Z_LIB_SUPPORT=$(usex zlib)
+		-DHDF5_ENABLE_ROS3_VFD:BOOL=$(usex ros3)
+	)
+	cmake_src_configure
+}
+
+src_install() {
+	cmake_src_install
+
+	# TODO: generate functioning example runners from their respective
+	# .in files - as of version 1.12.1 upstream only has it implemented
+	# for autoconf.
+	if use examples; then
+		# These are all useless outside the source tree
+		rm -f {examples,c++/examples,fortran/examples}/{Makefile*,CMake*}
+		rm -f hl/{examples,c++/examples,fortran/examples}/{Makefile*,CMake*}
+
+		dodoc -r examples
+		if use cxx; then
+			docinto c++
+			dodoc -r c++/examples
+		fi
+		if use fortran; then
+			docinto fortran
+			dodoc -r fortran/examples
+		fi
+		if use hl; then
+			docinto hl
+			dodoc -r hl/examples
+			if use cxx; then
+				docinto hl/c++
+				dodoc -r hl/c++/examples
+			fi
+			if use fortran; then
+				docinto hl/fortran
+				dodoc -r hl/fortran/examples
+			fi
+		fi
+	fi
+}
diff --git a/sci-libs/hdf5/metadata.xml b/sci-libs/hdf5/metadata.xml
index ea5ba62b798f..042059bcd497 100644
--- a/sci-libs/hdf5/metadata.xml
+++ b/sci-libs/hdf5/metadata.xml
@@ -6,13 +6,14 @@
     <name>Gentoo Science Project</name>
   </maintainer>
   <longdescription>
-  HDF5 is a file format and library for storing scientific data. HDF5
-  was designed and implemented to address the deficiencies of HDF4.x. It
-  has a more powerful and flexible data model, supports files larger
-  than 2 GB, and supports parallel I/O.
-</longdescription>
+    HDF5 is a file format and library for storing scientific data. HDF5
+    was designed and implemented to address the deficiencies of HDF4.x. It
+    has a more powerful and flexible data model, supports files larger
+    than 2 GB, and supports parallel I/O.
+  </longdescription>
   <use>
     <flag name="hl">Enable high level API (https://support.hdfgroup.org/HDF5/doc/HL/index.html)</flag>
+    <flag name="ros3">Enable support for read-only S3 access (https://portal.hdfgroup.org/display/HDF5/Configuration+and+Setup+for+HDF5+Read+Only+S3+VFD)</flag>
     <flag name="unsupported">Enable unsupported combinations of configuration options</flag>
   </use>
 </pkgmetadata>