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# Copyright 1999-2024 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=8

inherit flag-o-matic cmake

DESCRIPTION="The DICOM Toolkit"
HOMEPAGE="https://dicom.offis.de/dcmtk.php.en"
SRC_URI="https://dicom.offis.de/download/dcmtk/release/${P}.tar.gz"

LICENSE="OFFIS"
SLOT="0"
KEYWORDS="~amd64 ~arm ~arm64 ~ppc64 ~riscv ~x86"
IUSE="doc png ssl tcpd tiff +threads xml zlib"

RDEPEND="
	dev-libs/icu:=
	png? ( media-libs/libpng:* )
	ssl? ( dev-libs/openssl:= )
	tcpd? ( sys-apps/tcp-wrappers )
	tiff? ( media-libs/tiff:= )
	xml? ( dev-libs/libxml2:2 )
	zlib? ( sys-libs/zlib )
"
DEPEND="${RDEPEND}"
BDEPEND="
	doc? (
		app-text/doxygen
		virtual/latex-base
	)
"

PATCHES=(
	"${FILESDIR}"/${PN}-3.6.8-docdir.patch
)

src_prepare() {
	cmake_src_prepare

	sed -i -e "s:COPYRIGHT::" CMakeLists.txt || die
	# Temporary workaround: docs are not built with CMake
	sed -i -e '/include/d' doxygen/Makefile.in || die

	# Fix -D deprecation warnings
	sed -i -e "s|_BSD_SOURCE|_DEFAULT_SOURCE|g" \
		"${S}"/config/configure.in \
		"${S}"/CMakeLists.txt || die
}

src_configure() {
	# ODR violations (bug #862699). Reported upstream by email on 2024-03-11.
	# master (>3.6.8) seems to have that original issue fixed but has another
	# JPEG-related violation.
	filter-lto

	# bug 908398
	use elibc_musl && append-cppflags -D_LARGEFILE64_SOURCE

	local mycmakeargs=(
		-DCMAKE_INSTALL_SYSCONFDIR="${EPREFIX}/etc"
		-DDCMTK_WITH_ICU=ON
		-DDCMTK_WITH_TIFF=$(usex tiff)
		-DDCMTK_WITH_PNG=$(usex png)
		-DDCMTK_WITH_XML=$(usex xml)
		-DDCMTK_WITH_ZLIB=$(usex zlib)
		-DDCMTK_WITH_OPENSSL=$(usex ssl)
		-DDCMTK_WITH_DOXYGEN=$(usex doc)
		-DDCMTK_WITH_THREADS=$(usex threads)
	)

	cmake_src_configure

	if use doc; then
		cd "${S}"/doxygen || die
		econf
	fi
}

src_compile() {
	cmake_src_compile

	if use doc; then
		emake -C "${S}"/doxygen
	fi
}

src_install() {
	doman doxygen/manpages/man1/*

	if use doc; then
		local HTML_DOCS=( "${S}"/doxygen/htmldocs/. )
	fi
	cmake_src_install
}