user/dosbox: new package

user/dosbox/APKBUILD

+# Contributor: Horst Burkhardt <horst@adelielinux.org>
+# Maintainer: Horst Burkhardt <horst@adelielinux.org>
+pkgname=dosbox
+pkgver=0.82.7
+pkgrel=0
+pkgdesc="an emulator for MS-DOS games"
+url="https://github.com/joncampbell123/dosbox-x/"
+arch="all !s390x"
+options="!check" # dosbox does not ship tests
+subpackages=""
+license="GPL-2.0-only"
+depends=""
+makedepends="ncurses-dev zlib-dev libxkbfile-dev libpng-dev libpcap-dev fluidsynth-dev sdl2-dev alsa-lib-dev"
+source="https://github.com/joncampbell123/dosbox-x/archive/dosbox-x-wip-20180513-1316.tar.gz
+	porttalk-fix.patch
+	asmfix.patch
+	"
+builddir="$srcdir/dosbox-x-dosbox-x-wip-20180513-1316"
+
+build() {
+	cd "$builddir"
+	./autogen.sh
+	./configure --prefix=/usr --enable-debug --enable-core-inline --enable-sdl2
+	make 
+}
+
+package() {
+	cd "$builddir"
+	make DESTDIR="$pkgdir" install
+}
+
+sha512sums="38b7423b695f3b0dfd26f8c8913f26afba73ea6235bb205ec3a5d7f08ef3c74a9b6ce2577f0ea8eb49724b548e3386332256d13f27469b165986702650638992 dosbox-x-wip-20180513-1316.tar.gz
+daf0efea03d6295f5a20d8d197f7d0ba38e0608edcfe8be19fc6091b783885d523557674f0f7df83b88186b77794723106cf7a0e02125d2cc75ecfd7d51fa91d porttalk-fix.patch
+266ede57d21030f7752287f18660b47e9185a9aef9d022337dded9c9ce93e572691b41aca878f8a28c67bf5d217c7e84912336c21aacf594085dc31d99862ebf asmfix.patch"
\ No newline at end of file

user/dosbox/asmfix.patch

+--- dosbox-x-dosbox-x-wip-20180513-1316/src/cpu/core_dyn_x86/risc_x86.h	2018-05-13 19:52:17.000000000 +0000
++++ dosbox-x-dosbox-x-wip-20180513-1316/src/cpu/core_dyn_x86/risc_x86.h	2018-05-16 12:02:44.329617468 +0000
+@@ -130,7 +130,7 @@
+ #else
+ 	register Bit32u tempflags=reg_flags & FMASK_TEST;
+ 	__asm__ volatile (
+-		"pushl $(run_return_adress)					\n"
++		"call 1f ; 1: addl $run_return_adress-.,(%%esp)			\n"
+ 		"pushl  %2							\n"
+ 		"jmp  *%3							\n"
+ 		"run_return_adress:						\n"

user/dosbox/porttalk-fix.patch

+diff -Naur dosbox-x-dosbox-x-wip-20180513-1316/src/libs/porttalk/porttalk.cpp dosbox-x-dosbox-x-wip-20180513-1316-porttalk-fix/src/libs/porttalk/porttalk.cpp
+--- dosbox-x-dosbox-x-wip-20180513-1316/src/libs/porttalk/porttalk.cpp	2018-05-13 19:52:17.000000000 +0000
++++ dosbox-x-dosbox-x-wip-20180513-1316-porttalk-fix/src/libs/porttalk/porttalk.cpp	2018-05-16 12:40:17.232921780 +0000
+@@ -233,7 +233,11 @@
+ #ifdef LINUX
+ # if defined(__i386__) || defined(__amd64__) || defined(__x86_64__)
+ // This Linux ioperm only works up to port 0x3FF
++#if (__GNU_LIBRARY__ >= 6)
+ #include <sys/perm.h>
++#elif defined(__linux__) && !defined(__GLIBC__)
++#include <sys/io.h>
++#endif
+ 
+ bool initPorttalk() {
+ 	if(ioperm(0x3da,1,1) < 0) return false;