games-util/atlas: Fix -Wnarrowing failures for GCC 6

Bug: https://bugs.gentoo.org/show_bug.cgi?id=612986
Package-Manager: Portage-2.3.5, Repoman-2.3.2

games-util/atlas/atlas-0.5.1_beta_pre20160907.ebuild

@@ -3,7 +3,7 @@
 
 EAPI=6
 
-inherit autotools eutils
+inherit autotools
 
 MY_PN=atlas-hgcode
 MY_PV=e183e3b3a0412b504edcb3664445b3e04fd484a2
@@ -20,12 +20,12 @@ IUSE=""
 
 COMMON_DEPEND="
  media-libs/freeglut
- media-libs/glew:0
- >=media-libs/libpng-1.5:0
+ media-libs/glew:0=
+ media-libs/libpng:0=
  net-misc/curl
  sys-libs/zlib
  virtual/glu
- virtual/jpeg:*
+ virtual/jpeg:0
  virtual/opengl
 "
 DEPEND="${COMMON_DEPEND}
@@ -42,25 +42,25 @@ PATCHES=(
  "${FILESDIR}/${P}-simgear-compilation.patch"
 )
 
-DOCS=(AUTHORS NEWS README)
-
 src_prepare() {
- default_src_prepare
+ default
+
+ # -Wnarrowing failure, #612986
+ sed -i -e 's:0x:(char)0x:g' src/tiles.h || die
+
  eautoreconf
 }
 
 src_configure() {
  econf \
- --datadir=/usr/share/flightgear \
- --disable-dependency-tracking \
+ --datadir="${EPREFIX}"/usr/share/flightgear \
  --enable-simgear-shared \
- --with-fgbase=/usr/share/flightgear
+ --with-fgbase="${EPREFIX}"/usr/share/flightgear
 }
 
 pkg_postinst() {
  elog "To run Atlas concurrently with FlightGear use the following:"
  elog "Atlas --path=[path of map images] --udp=[port number]"
  elog "and start fgfs with the following switch (or in .fgfsrc):"
  elog "--nmea=socket,out,0.5,[host that you run Atlas on],[port number],udp"
- echo
 }