sci-libs/netcdf: avoid broken libdl hardcoding

Closes: https://bugs.gentoo.org/827188
Signed-off-by: Sam James <sam@gentoo.org>

1 files changed, 83 insertions, 0 deletions

diff --git a/sci-libs/netcdf/netcdf-4.8.1-r2.ebuild b/sci-libs/netcdf/netcdf-4.8.1-r2.ebuild
new file mode 100644
index 000000000000..02d4832a3f3b
--- /dev/null
+++ b/sci-libs/netcdf/netcdf-4.8.1-r2.ebuild
@@ -0,0 +1,83 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit cmake flag-o-matic
+
+DESCRIPTION="Scientific library and interface for array oriented data access"
+HOMEPAGE="https://www.unidata.ucar.edu/software/netcdf/"
+SRC_URI="https://github.com/Unidata/netcdf-c/archive/v${PV}.tar.gz -> ${P}.tar.gz"
+S="${WORKDIR}/${PN}-c-${PV}"
+
+LICENSE="UCAR-Unidata"
+# SONAME of libnetcdf.so
+SLOT="0/19"
+KEYWORDS="~amd64 ~arm ~arm64 ~ia64 ~ppc ~ppc64 -riscv ~x86 ~amd64-linux ~x86-linux"
+IUSE="+dap doc examples hdf +hdf5 mpi szip test tools"
+RESTRICT="!test? ( test )"
+
+RDEPEND="dev-libs/libxml2
+	dap? ( net-misc/curl:0= )
+	hdf? (
+		media-libs/libjpeg-turbo:=
+		sci-libs/hdf:0=
+		sci-libs/hdf5:0=
+	)
+	hdf5? ( sci-libs/hdf5:0=[hl(+),mpi=,szip=,zlib] )"
+DEPEND="${RDEPEND}"
+BDEPEND="virtual/pkgconfig
+	doc? ( app-doc/doxygen[dot] )"
+
+REQUIRED_USE="
+	test? ( tools )
+	szip? ( hdf5 )
+	mpi? ( hdf5 )"
+
+PATCHES=(
+	"${FILESDIR}/${PN}-4.8.1-big-endian-build.patch"
+	"${FILESDIR}/${PN}-4.7.4-big-endian-test.patch"
+)
+
+src_prepare() {
+	# skip test that requires network
+	sed -i -e '/run_get_hdf4_files/d' hdf4_test/CMakeLists.txt || die
+
+	cmake_src_prepare
+}
+
+src_configure() {
+	use mpi && export CC=mpicc
+
+	# Temporary workaround for test breakage
+	# https://github.com/Unidata/netcdf-c/issues/1983
+	# bug #827042
+	append-flags -fno-strict-aliasing
+
+	local mycmakeargs=(
+		-DENABLE_DAP_REMOTE_TESTS=OFF
+		# Enable for >4.8.1 (not yet in a release)
+		#-DENABLE_LIBXML2=ON
+		-DBUILD_UTILITIES=$(usex tools)
+		-DENABLE_DAP=$(usex dap)
+		-DENABLE_DOXYGEN=$(usex doc)
+		-DENABLE_EXAMPLES=$(usex examples)
+		-DENABLE_HDF4=$(usex hdf)
+		-DENABLE_NETCDF_4=$(usex hdf5)
+		-DENABLE_TESTS=$(usex test)
+	)
+
+	cmake_src_configure
+}
+
+src_test() {
+	# fails parallel tests: bug #621486
+	cmake_src_test -j1
+}
+
+src_install() {
+	cmake_src_install
+
+	# bug #827188
+	sed -i -e "s:${EPREFIX}/usr/$(get_libdir)/libdl.so;:dl;:" "${ED}/usr/$(get_libdir)/cmake/netCDF/netCDFTargets.cmake" || die
+}