games-emulation/gens: Port to EAPI 7

Closes: https://bugs.gentoo.org/654420
Closes: https://bugs.gentoo.org/712982
Package-Manager: Portage-3.0.9, Repoman-3.0.2
Signed-off-by: David Seifert <soap@gentoo.org>

games-emulation/gens/files/gens-2.15.5-fno-common.patch

@@ -0,0 +1,58 @@
+--- a/src/gens/gens_core/sound/ym2612.c
++++ b/src/gens/gens_core/sound/ym2612.c
+@@ -241,7 +241,7 @@
+  ***********************************************/
+ 
+ 
+-INLINE void
++void
+ CALC_FINC_SL (slot_ * SL, int finc, int kc)
+ {
+   int ksr;
+@@ -284,7 +284,7 @@
+ }
+ 
+ 
+-INLINE void
++void
+ CALC_FINC_CH (channel_ * CH)
+ {
+   int finc, kc;
+@@ -305,7 +305,7 @@
+  ***********************************************/
+ 
+ 
+-INLINE void
++void
+ KEY_ON (channel_ * CH, int nsl)
+ {
+   slot_ *SL = &(CH->SLOT[nsl]);	// on recupère le bon pointeur de slot
+@@ -331,7 +331,7 @@
+ }
+ 
+ 
+-INLINE void
++void
+ KEY_OFF (channel_ * CH, int nsl)
+ {
+   slot_ *SL = &(CH->SLOT[nsl]);	// on recupère le bon pointeur de slot
+@@ -351,7 +351,7 @@
+ }
+ 
+ 
+-INLINE void
++void
+ CSM_Key_Control ()
+ {
+   KEY_ON (&YM2612.CHANNEL[2], 0);
+--- a/src/gens/segacd/cd_aspi.c
++++ b/src/gens/segacd/cd_aspi.c
+@@ -55,7 +55,7 @@
+ DWORD (*Get_ASPI_Version) (void);
+ DWORD (*Send_ASPI_Command) (LPSRB);
+ int ASPI_Command_Running;
+-int CDROM_SPEED;
++extern int CDROM_SPEED;
+ int Num_CD_Drive;
+ int CUR_DEV; // a che serve?
+ int DEV_PAR[8][3];

games-emulation/gens/files/gens-2.15.5-zlib-OF.patch

@@ -0,0 +1,7 @@
+--- a/src/gens/util/file/unzip.h
++++ b/src/gens/util/file/unzip.h
+@@ -1,3 +1,4 @@
++#define OF(x) x
+ /* unzip.h -- IO for uncompress .zip files using zlib 
+    Version 0.15 beta, Mar 19th, 1998,
+ 

games-emulation/gens/gens-2.15.5-r1.ebuild

@@ -1,48 +0,0 @@
-# Copyright 1999-2018 Gentoo Foundation
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=6
-inherit desktop flag-o-matic
-
-DESCRIPTION="A Sega Genesis/CD/32X emulator"
-HOMEPAGE="https://sourceforge.net/projects/gens/"
-SRC_URI="mirror://sourceforge/gens/${P}.tar.gz"
-
-LICENSE="GPL-2"
-SLOT="0"
-KEYWORDS="~amd64 ~x86"
-IUSE=""
-
-RDEPEND="
-	virtual/opengl
-	>=media-libs/libsdl-1.2[joystick,video]
-	x11-libs/gtk+:2
-"
-DEPEND="${RDEPEND}
-	>=dev-lang/nasm-0.98
-"
-
-src_prepare() {
-	default
-	eapply \
-		"${FILESDIR}"/${P}-romsdir.patch \
-		"${FILESDIR}"/${P}-as-needed.patch \
-		"${FILESDIR}"/${P}-ovflfix.patch \
-		"${FILESDIR}"/${P}-gcc34.patch
-	sed -i -e '1i#define OF(x) x' src/gens/util/file/unzip.h || die
-	append-ldflags -Wl,-z,noexecstack
-}
-
-src_configure() {
-	use amd64 && multilib_toolchain_setup x86 #441876
-	econf \
-		--disable-gtktest \
-		--disable-sdltest
-}
-
-src_install() {
-	DOCS="AUTHORS BUGS README gens.txt history.txt" \
-		default
-	newicon pixmaps/gens_small.png ${PN}.png
-	make_desktop_entry "${PN}" "Gens"
-}

games-emulation/gens/gens-2.15.5-r2.ebuild

@@ -0,0 +1,50 @@
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+MULTILIB_COMPAT=( abi_x86_32 )
+
+inherit desktop flag-o-matic multilib-build
+
+DESCRIPTION="A Sega Genesis/CD/32X emulator"
+HOMEPAGE="https://sourceforge.net/projects/gens/"
+SRC_URI="mirror://sourceforge/gens/${P}.tar.gz"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+
+RDEPEND="
+	media-libs/libsdl[${MULTILIB_USEDEP},joystick,video]
+	sys-libs/zlib[${MULTILIB_USEDEP}]
+	virtual/opengl[${MULTILIB_USEDEP}]
+	x11-libs/gtk+:2[${MULTILIB_USEDEP}]"
+DEPEND="${RDEPEND}"
+BDEPEND=">=dev-lang/nasm-0.98"
+
+PATCHES=(
+	"${FILESDIR}"/${P}-romsdir.patch
+	"${FILESDIR}"/${P}-as-needed.patch
+	"${FILESDIR}"/${P}-ovflfix.patch
+	"${FILESDIR}"/${P}-gcc34.patch
+	"${FILESDIR}"/${P}-fno-common.patch
+	"${FILESDIR}"/${P}-zlib-OF.patch
+)
+
+src_configure() {
+	append-ldflags -Wl,-z,noexecstack
+	use amd64 && multilib_toolchain_setup x86 #441876
+
+	econf \
+		--disable-gtktest \
+		--disable-sdltest
+}
+
+src_install() {
+	default
+	dodoc gens.txt history.txt
+
+	newicon pixmaps/gens_small.png gens.png
+	make_desktop_entry "gens" "Gens"
+}