--- /dev/null
+# Copyright 1999-2017 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI=6
+WANT_AUTOMAKE="1.10"
+inherit autotools eutils gnome2-utils
+
+DESCRIPTION="model-airplane flight simulation program"
+HOMEPAGE="https://sourceforge.net/projects/crrcsim/"
+SRC_URI="mirror://sourceforge/${PN}/${P}.tar.gz"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+IUSE="portaudio"
+
+RDEPEND="media-libs/libsdl[X,sound,joystick,opengl,video]
+ media-libs/plib
+ sci-mathematics/cgal
+ portaudio? ( media-libs/portaudio )"
+DEPEND="${RDEPEND}"
+
+PATCHES=( "${FILESDIR}"/${P}-buildsystem.patch )
+
+src_prepare() {
+ default
+
+ if has_version "sci-mathematics/cgal[gmp(+)]" ; then
+ eapply "${FILESDIR}"/${PN}-cgal_gmp.patch
+ fi
+ eautoreconf
+}
+
+src_configure() {
+ econf \
+ --datadir="/usr/share" \
+ --datarootdir="${EPREFIX%/}/usr/share" \
+ --docdir="${EPREFIX%/}/usr/share/doc/${PF}" \
+ $(use_with portaudio)
+}
+
+src_install() {
+ emake DESTDIR="${D}" install
+ dodoc AUTHORS HISTORY NEWS README
+ doicon -s 32 packages/icons/${PN}.png
+ make_desktop_entry ${PN}
+}
+
+pkg_preinst() {
+ gnome2_icon_savelist
+}
+
+pkg_postinst() {
+ gnome2_icon_cache_update
+}
+
+pkg_postrm() {
+ gnome2_icon_cache_update
+}
--- /dev/null
+--- crrcsim-0.9.11/configure.ac
++++ crrcsim-0.9.11/configure.ac
+@@ -79,8 +79,12 @@
+ dnl Default is: no portaudio present
+ portaudio=0
+
++AC_ARG_WITH([portaudio], AS_HELP_STRING([--without-portaudio], [Build without portaudio library (default: test)]))
++
++AS_IF([test "x$with_portaudio" != "xno"], [
+ dnl Check for the Portaudio header file
+ AC_CHECK_HEADER([portaudio.h])
++])
+
+ if (test "x$ac_cv_header_portaudio_h" = "xyes"); then
+ dnl Check for Portaudio 18
+--- crrcsim-0.9.13/src/mod_misc/filesystools.cpp
++++ crrcsim-0.9.13/src/mod_misc/filesystools.cpp
+@@ -113,8 +113,8 @@
+ // $USERPROFILE/.crrcsim (WIN32)
+ // $HOME/.crrcsim (LINUX)
+ // CRRC_DATA_PATH (LINUX)
+- // /usr/local/share/games/crrcsim (LINUX)
+- // /usr/share/games/crrcsim (LINUX)
++ // /usr/local/share/crrcsim (LINUX)
++ // /usr/share/crrcsim (LINUX)
+
+ // cwd
+ if (dirname != "")
+@@ -154,13 +154,13 @@
+ s.append(dirname);
+ pathlist.push_back(s);
+ #endif
+- s = "/usr/local/share/games/" + appname + "/";
++ s = "/usr/local/share/" + appname + "/";
+ if (s != data_path) // avoid adding this path twice
+ {
+ s.append(dirname);
+ pathlist.push_back(s);
+ }
+- s = "/usr/share/games/" + appname + "/";
++ s = "/usr/share/" + appname + "/";
+ if (s != data_path) // avoid adding this path twice
+ {
+ s.append(dirname);
+@@ -172,13 +172,13 @@
+ #ifdef CRRC_DATA_PATH
+ pathlist.push_back(data_path);
+ #endif
+- if (data_path != "/usr/local/share/games/" + appname) // avoid adding this path twice
++ if (data_path != "/usr/local/share/" + appname) // avoid adding this path twice
+ {
+- pathlist.push_back("/usr/local/share/games/" + appname);
++ pathlist.push_back("/usr/local/share/" + appname);
+ }
+- if (data_path != "/usr/share/games/" + appname) // avoid adding this path twice
++ if (data_path != "/usr/share/" + appname) // avoid adding this path twice
+ {
+- pathlist.push_back("/usr/share/games/" + appname);
++ pathlist.push_back("/usr/share/" + appname);
+ }
+ }
+ #endif