games-rpg/xu4: remove deprecated games eclass

Also update to EAPI 6

Gentoo-Bug: https://bugs.gentoo.org/574082

Package-Manager: portage-2.3.0

games-rpg/xu4/files/0.9-savegame.patch

@@ -1,5 +1,5 @@
---- src/savegame.c.orig
-+++ src/savegame.c
+--- a/src/savegame.c.
++++ b/src/savegame.c
 @@ -21,23 +21,24 @@
  char *partySavFilename() {
      char *fname;
@@ -61,8 +61,8 @@
      return fname;
  }
      
---- src/u4.c.orig
-+++ src/u4.c
+--- a/src/u4.c
++++ b/src/u4.c
 @@ -38,6 +38,10 @@
      osxInit(argv[0]);
  #endif

games-rpg/xu4/files/xu4-0.9-ldflags.patch

@@ -1,5 +1,5 @@
---- src/Makefile.common.old
-+++ src/Makefile.common
+--- a/src/Makefile.common
++++ b/src/Makefile.common
 @@ -68,25 +68,25 @@
  mkutils::  dumpsavegame$(EXEEXT) lzwenc$(EXEEXT) lzwdec$(EXEEXT) rleenc$(EXEEXT) rledec$(EXEEXT) tlkconv$(EXEEXT)
  

games-rpg/xu4/files/xu4-0.9-warnings.patch

@@ -1,5 +1,5 @@
---- u4.orig/src/u4.c
-+++ u4/src/u4.c
+--- a/src/u4.c
++++ b/src/u4.c
 @@ -3,6 +3,8 @@
   */
  
@@ -9,8 +9,8 @@
  #include <stdlib.h>
  #include <stdarg.h>
  #include <string.h>
---- u4.orig/u4.desktop
-+++ u4/u4.desktop
+--- a/u4.desktop
++++ b/u4.desktop
 @@ -1,9 +1,8 @@
  [Desktop Entry]
 -Encoding=UTF-8

games-rpg/xu4/files/xu4-0.9-zip.patch

@@ -1,5 +1,5 @@
---- src/unzip.c.orig
-+++ src/unzip.c
+--- a/src/unzip.c
++++ b/src/unzip.c
 @@ -493,7 +493,7 @@
  /*
    Get Info about the current file in the zipfile, with internal only info
@@ -9,8 +9,8 @@
                                                    unz_file_info *pfile_info,
                                                    unz_file_info_internal 
                                                    *pfile_info_internal,
---- src/unzip.h.orig
-+++ src/unzip.h
+--- a/src/unzip.h
++++ b/src/unzip.h
 @@ -8,7 +8,7 @@
     Encryption and multi volume ZipFile (span) are not supported.
     Old compressions used by old PKZip 1.x are not supported

games-rpg/xu4/xu4-0.9-r1.ebuild

@@ -0,0 +1,76 @@
+# Copyright 1999-2016 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI=6
+inherit eutils
+
+DESCRIPTION="A remake of the computer game Ultima IV"
+HOMEPAGE="http://xu4.sourceforge.net/"
+SRC_URI="mirror://sourceforge/xu4/${P}.tar.gz
+	mirror://sourceforge/xu4/ultima4-1.01.zip
+	mirror://sourceforge/xu4/u4upgrad.zip"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="~amd64 ~ppc ~x86"
+IUSE=""
+
+RDEPEND="dev-libs/libxml2
+	media-libs/libsdl[sound,video]
+	media-libs/sdl-mixer[timidity]"
+DEPEND="${RDEPEND}
+	app-arch/unzip"
+
+S=${WORKDIR}/u4
+
+src_unpack() {
+	# xu4 will read the data files right out of the zip files
+	# but we want the docs from the original.
+	unpack ${P}.tar.gz
+	cp "${DISTDIR}"/{ultima4-1.01.zip,u4upgrad.zip} . || die
+	cd "${WORKDIR}" || die
+	mv ultima4-1.01.zip ultima4.zip || die
+	mkdir u4-dos || die
+	cd u4-dos || die
+	unzip -q ../ultima4.zip || die
+}
+
+PATCHES=(
+	"${FILESDIR}/${P}-ldflags.patch"
+	"${FILESDIR}/${PV}-savegame.patch"
+	"${FILESDIR}/${P}-warnings.patch"
+	"${FILESDIR}/${P}-zip.patch"
+)
+src_prepare() {
+	default
+
+	sed -i \
+		-e "s:/usr/local/lib/u4:/usr/$(get_libdir)/u4:" src/u4file.c \
+		|| die
+	sed -i \
+		-e 's:-Wall:$(E_CFLAGS):' src/Makefile \
+		|| die
+}
+
+src_compile() {
+	emake -C src \
+		DEBUGCFLAGS= \
+		E_CFLAGS="${CFLAGS}" \
+		bindir="/usr/bin" \
+		datadir="/usr/share" \
+		libdir="/usr/$(get_libdir)"
+}
+
+src_install() {
+	emake -C src \
+		DEBUGCFLAGS= \
+		E_CFLAGS="${CFLAGS}" \
+		bindir="${D}/usr/bin" \
+		datadir="${D}/usr/share" \
+		libdir="${D}/usr/$(get_libdir)" \
+		install
+	dodoc AUTHORS README doc/*txt "${WORKDIR}/u4-dos/ULTIMA4/"*TXT
+	insinto "/usr/$(get_libdir)/u4"
+	doins "${WORKDIR}/"*zip
+}