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

EAPI=7

DESCRIPTION="Open Dynamics Engine SDK"
HOMEPAGE="http://ode.org/"
SRC_URI="mirror://sourceforge/opende/${P}.tar.bz2"

LICENSE="|| ( LGPL-2.1 BSD )"
SLOT="0"
KEYWORDS="amd64 x86"
IUSE="debug doc double-precision examples gyroscopic static-libs"

RDEPEND="
	examples? (
		virtual/opengl
	)
"
DEPEND="${RDEPEND}"
BDEPEND="doc? ( app-doc/doxygen )"

DOCS=( CHANGELOG.txt README.txt )

src_prepare() {
	default

	sed -i \
		-e "s:\$.*/drawstuff/textures:/usr/share/doc/${PF}/examples:" \
		drawstuff/src/Makefile.in \
		ode/demo/Makefile.in || die
}

src_configure() {
	# use bash (bug #335760)
	CONFIG_SHELL=/bin/bash \
	econf \
		--enable-shared \
		$(use_enable static-libs static) \
		$(use_enable debug asserts) \
		$(use_enable double-precision) \
		$(use_enable examples demos) \
		$(use_enable gyroscopic) \
		$(use_with examples drawstuff X11)
}

src_compile() {
	emake

	if use doc ; then
		cd ode/doc
		doxygen Doxyfile || die
	fi
}

src_install() {
	default

	find "${ED}" -name '*.la' -delete || die

	if use doc ; then
		docinto html
		dodoc docs/*
	fi

	if use examples ; then
		cd ode/demo || die

		exeinto /usr/share/doc/${PF}/examples

		local f
		for f in *.c* ; do
			doexe .libs/${f%.*}
		done

		cd ../.. || die

		doexe drawstuff/dstest/dstest

		docinto examples
		dodoc ode/demo/*.{c,cpp,h} \
			drawstuff/textures/*.ppm \
			drawstuff/dstest/dstest.cpp \
			drawstuff/src/{drawstuff.cpp,internal.h,x11.cpp}
	fi
}