games-simulation/lincity: EAPI6->8, fix prefix, add icon

* Strip part of the patch that was formerly intended for
  games.eclass but now only broke prefix
* Update DESCRIPTION to reflect svgalib isn't supported
* Remove not-really-used libSM dependency
* Use xlincity.6 man page name to match installed binary

Signed-off-by: Ionen Wolkens <[email protected]>

games-simulation/lincity/Manifest

@@ -1 +1,2 @@
 DIST lincity-1.13.1.tar.gz 1064236 BLAKE2B 1172ced3255048f3132f85cd9ae994c7e0558170f7e7a24909af1856669c4ad90d57acd76f330fb556656ed74843dda159005350760fc059c6b184cedf1e9393 SHA512 bc4ee7a1642b1efa25f9edaabd3aeb52d1ca1d016735c5094586f52fda3ec4e9080ff35fe518c1ccbfad9fd54babb370f4b9b6a158b4d2f43b7182155084eefc
+DIST lincity.png 5377 BLAKE2B 2238140719a8c1b094fbe6d7b52b9224245f2c36f970e04aa3fcaf6090409145f17dad2c2a83f6528e695fd9d26d9c053c45978502b7e44f73cf25719d7ed3aa SHA512 40a8955fdc8397662ef0d084163e7dcad59e278429792bd7096e193a0d04791c2355a0dbd2c1f72a032bbfc71bc4e27e37a3d0d4e82de8e7170bb70205d983a3

games-simulation/lincity/files/lincity-1.13.1-build.patch

@@ -1,16 +1,5 @@
---- lincity-1.13.1.orig/intl/Makefile.in
-+++ lincity-1.13.1/intl/Makefile.in
-@@ -32,7 +32,7 @@
- libdir = @libdir@
- includedir = @includedir@
- datadir = @datadir@
--localedir = $(datadir)/locale
-+localedir = /usr/share/locale
- gettextsrcdir = $(datadir)/gettext/intl
- aliaspath = $(localedir)
- subdir = intl
---- lincity-1.13.1.orig/mouse.c
-+++ lincity-1.13.1/mouse.c
+--- a/mouse.c
++++ b/mouse.c
 @@ -1057,7 +1057,7 @@
     and set to 1 if the existing transport if the more expensive sort
     (e.g. GROUP_RAIL when overwriting GROUP_ROAD).
@@ -20,8 +9,8 @@
  mt_erase(int x, int y)
  {
      if (x < 0 || y < 0 || x >= WORLD_SIDE_LEN || y >= WORLD_SIDE_LEN)
---- lincity-1.13.1.orig/pixmap.c
-+++ lincity-1.13.1/pixmap.c
+--- a/pixmap.c
++++ b/pixmap.c
 @@ -390,7 +390,7 @@
  		  likes it in the file.  Still need to fix this in autoconf,
                    but for now this will do. */
@@ -31,8 +20,8 @@
  pixmap_index (int x, int y)
  {
      return y*pixmap_width + x;
---- lincity-1.13.1.orig/pixmap.h
-+++ lincity-1.13.1/pixmap.h
+--- a/pixmap.h
++++ b/pixmap.h
 @@ -19,7 +19,7 @@
  void initialize_pixmap (void);
  void resize_pixmap (int new_width, int new_height);
@@ -51,19 +40,8 @@
  pixmap_index (int x, int y) {
      return y*pixmap_width + x;
  }
---- lincity-1.13.1.orig/po/Makefile.in.in
-+++ lincity-1.13.1/po/Makefile.in.in
-@@ -21,7 +21,7 @@
- prefix = @prefix@
- exec_prefix = @exec_prefix@
- datadir = @datadir@
--localedir = $(datadir)/locale
-+localedir = /usr/share/locale
- gettextsrcdir = $(datadir)/gettext/po
-
- INSTALL = @INSTALL@
---- lincity-1.13.1.orig/readpng.c
-+++ lincity-1.13.1/readpng.c
+--- a/readpng.c
++++ b/readpng.c
 @@ -3,6 +3,7 @@
   * This file is part of lincity (see COPYRIGHT for copyright information).
   * ---------------------------------------------------------------------- */

games-simulation/lincity/lincity-1.13.1-r2.ebuild

@@ -0,0 +1,62 @@
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit desktop flag-o-matic
+
+DESCRIPTION="City simulation game for X"
+HOMEPAGE="http://lincity.sourceforge.net/"
+SRC_URI="
+	mirror://sourceforge/lincity/${P}.tar.gz
+	https://dev.gentoo.org/~ionen/distfiles/${PN}.png"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+
+RDEPEND="
+	media-libs/libpng:=
+	virtual/libintl
+	x11-libs/libXext"
+DEPEND="
+	${RDEPEND}
+	x11-base/xorg-proto"
+BDEPEND="sys-devel/gettext"
+
+PATCHES=(
+	"${FILESDIR}"/${P}-build.patch
+	"${FILESDIR}"/${P}-gcc-10.patch
+)
+
+src_configure() {
+	append-cflags -std=gnu89 # build with gcc5 (bug #570574)
+
+	local econfargs=(
+		--with-gzip
+		--with-x
+		--without-svga
+		ac_cv_lib_ICE_IceConnectionNumber=no # not actually used
+	)
+
+	econf "${econfargs[@]}"
+}
+
+src_compile() {
+	emake
+	emake X_PROGS
+}
+
+src_install() {
+	default
+
+	dobin x${PN}
+
+	newman {,x}${PN}.6
+	rm "${ED}"/usr/share/man/man6/${PN}.6
+
+	dodoc Acknowledgements
+
+	doicon "${DISTDIR}"/${PN}.png
+	make_desktop_entry x${PN} ${PN^}
+}