# Copyright 1999-2021 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=8

DIST_AUTHOR=CHM
DIST_VERSION=2.017

FORTRAN_NEEDED=fortran

inherit perl-module fortran-2

DESCRIPTION="Perl Data Language for scientific computing"

LICENSE="|| ( Artistic GPL-1+ ) public-domain PerlDL"
SLOT="0"
KEYWORDS="amd64 arm ppc x86"

IUSE="+badval doc fortran gd gsl hdf netpbm pdl2 pgplot threads test"

RDEPEND="sys-libs/ncurses:0=
	app-arch/sharutils
	dev-perl/Astro-FITS-Header
	dev-perl/File-Map
	>=dev-perl/Inline-0.680.0
	>=dev-perl/Inline-C-0.620.0
	dev-perl/Module-Compile
	>=dev-perl/OpenGL-0.670.200
	dev-perl/TermReadKey
	|| ( dev-perl/Term-ReadLine-Perl dev-perl/Term-ReadLine-Gnu )
	>=virtual/perl-Data-Dumper-2.121.0
	dev-perl/Pod-Parser
	virtual/perl-File-Spec
	virtual/perl-File-Temp
	virtual/perl-Filter-Simple
	dev-perl/Filter
	virtual/perl-Storable
	>=virtual/perl-Text-Balanced-1.890.0

	gd? ( media-libs/gd )
	gsl? ( sci-libs/gsl )
	hdf? ( sci-libs/hdf )
	netpbm? (
		media-libs/netpbm
		media-video/ffmpeg
	)
	pdl2? (
		>=dev-perl/Devel-REPL-1.3.11
		|| ( dev-perl/Term-ReadLine-Perl dev-perl/Term-ReadLine-Gnu )
	)
	pgplot? ( dev-perl/PGPLOT )
"

DEPEND="${RDEPEND}
"

BDEPEND="${RDEPEND}
	>=virtual/perl-ExtUtils-MakeMaker-6.560.0
	dev-perl/Devel-CheckLib
	fortran? ( >=dev-perl/ExtUtils-F77-1.13 )
	test? (
		dev-perl/Test-Exception
		dev-perl/Test-Warn
		dev-perl/Test-Deep
	)
"

mydoc="BUGS DEPENDENCIES DEVELOPMENT Known_problems MANIFEST* Release_Notes"

PATCHES=(
	"${FILESDIR}"/${PN}-2.17.0-makemakerfix.patch
	"${FILESDIR}"/${PN}-2.17.0-fortran.patch      # respect user choice for fortran compiler+flags, add pic
	"${FILESDIR}"/${PN}-2.17.0-shared-hdf.patch   # search for shared hdf instead of static
	"${FILESDIR}"/${PN}-2.17.0-dot-in-inc.patch   # fix broken Perl 5.26 compile due to @INC changes
)

pkg_setup() {
	perl_set_version
	use fortran && fortran-2_pkg_setup
}

src_prepare() {
	perl-module_src_prepare
	find . -name Makefile.PL -exec \
		sed -i -e "s|/usr|${EPREFIX}/usr|g" {} \; || die
}

src_configure() {
	sed -i \
		-e '/USE_POGL/s/=>.*/=> 1,/' \
		-e "/WITH_3D/s/=>.*/=> 1,/" \
		-e "/HTML_DOCS/s/=>.*/=> $(use doc && echo 1 || echo 0),/" \
		-e "/WITH_BADVAL/s/=>.*/=> $(use badval && echo 1|| echo 0),/" \
		-e "/WITH_DEVEL_REPL/s/=>.*/=> $(use pdl2 && echo 1 || echo 0),/" \
		-e "/WITH_GSL/s/=>.*/=> $(use gsl && echo 1 || echo 0),/" \
		-e "/WITH_GD/s/=>.*/=> $(use gd && echo 1 || echo 0),/" \
		-e "/WITH_HDF/s/=>.*/=> $(use hdf && echo 1 || echo 0),/" \
		-e "/WITH_MINUIT/s/=>.*/=> $(use fortran && echo 1|| echo 0),/" \
		-e "/WITH_PGPLOT/s/=>.*/=> $(use pgplot && echo 1 || echo 0),/" \
		-e "/WITH_POSIX_THREADS/s/=>.*/=> $(use threads && echo 1 || echo 0),/" \
		-e "/WITH_PROJ/s/=>.*/=> $(echo 0),/" \
		-e "/WITH_SLATEC/s/=>.*/=> $(use fortran && echo 1|| echo 0),/" \
		perldl.conf || die
	perl-module_src_configure
}

src_test() {
	MAKEOPTS+=" -j1" perl-module_src_test
}

src_install() {
	perl-module_src_install
	cp Doc/{scantree,mkhtmldoc}.pl "${D}"/${VENDOR_ARCH}/PDL/Doc || die
}

pkg_postinst() {
	perl "${VENDOR_ARCH}/PDL/Doc/scantree.pl" || die
	elog "Building perldl.db done. You can recreate this at any time"
	elog "by running:"
	elog "perl ${VENDOR_ARCH}/PDL/Doc/scantree.pl"
}

pkg_prerm() {
	rm -rf "${EROOT}"/var/lib/pdl/html
	rm -f  "${EROOT}"/var/lib/pdl/{pdldoc.db,Index.pod}
}