yabause: reworked make opts / added armv build fix

ported from 953c80a0d7 (diff-34b47b9f7f580bd786394680c7f8c859)

Signed-off-by: Matthias Reichl <hias@horus.com>

packages/emulation/libretro-yabause/package.mk

@@ -9,14 +9,26 @@ PKG_SITE="https://github.com/libretro/yabause"
 PKG_URL="https://github.com/libretro/yabause/archive/$PKG_VERSION.tar.gz"
 PKG_DEPENDS_TARGET="toolchain kodi-platform"
 PKG_LONGDESC="game.libretro.yabause: Yabause for Kodi"
-PKG_TOOLCHAIN="manual"
+PKG_TOOLCHAIN="make"
 
 PKG_LIBNAME="yabause_libretro.so"
-PKG_LIBPATH="libretro/$PKG_LIBNAME"
-PKG_LIBVAR="YABAUSE_LIB"
+PKG_LIBPATH="yabause/src/libretro/${PKG_LIBNAME}"
 
-make_target() {
-  make -C libretro
+PKG_MAKE_OPTS_TARGET="-C yabause/src/libretro GIT_VERSION=${PKG_VERSION:0:7}"
+
+pre_configure_target() {
+  if [ "${ARCH}" = "arm" ]; then
+    PKG_MAKE_OPTS_TARGET+=" platform=armv"
+    # ARM NEON support
+    if target_has_feature neon; then
+      PKG_MAKE_OPTS_TARGET+="-neon"
+    fi
+    PKG_MAKE_OPTS_TARGET+="-${TARGET_FLOAT}float-${TARGET_CPU}"
+  fi
+}
+
+pre_make_target() {
+  make CC=${HOST_CC} -C yabause/src/libretro generate-files
 }
 
 makeinstall_target() {

packages/emulation/libretro-yabause/patches/libretro-yabause-999.01-armv-unix.patch

@@ -0,0 +1,24 @@
+From cb5fd9a497a8ad624bf4f4950723d6da63a1f1d1 Mon Sep 17 00:00:00 2001
+From: 5schatten <supervisedthinking@gmail.com>
+Date: Thu, 29 Aug 2019 12:01:31 +0200
+Subject: [PATCH] libretro/Makefile: add platform unix if platform armv
+
+---
+ yabause/src/libretro/Makefile | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+diff --git a/yabause/src/libretro/Makefile b/yabause/src/libretro/Makefile
+index 5589969fd..0ca2752c1 100644
+--- a/yabause/src/libretro/Makefile
++++ b/yabause/src/libretro/Makefile
+@@ -51,6 +51,10 @@ else ifneq ($(findstring MINGW,$(shell uname -a)),)
+ 	system_platform = win
+ endif
+ 
++ifneq (,$(findstring armv,$(platform)))
++	override platform += unix
++endif
++
+ CORE_DIR := .
+ 
+ TARGET_NAME = yabause