Signed-off-by: Michael Grzeschik <m.grzesc...@pengutronix.de>
---
v1 -> v2: - added select to MESALIB_GL* on SDL2_OPENGL*
          - padded prompt entry with extra spaces
v2 -> v3: - added patch to add egl cflags on configure.in and enabled autogen.sh

 ...001-sdl-2.0.8-add-egl-cflags-to-test.patch |  41 ++++
 patches/SDL2-2.0.8/series                     |   4 +
 rules/sdl2.in                                 | 206 ++++++++++++++++++
 rules/sdl2.make                               | 164 ++++++++++++++
 4 files changed, 415 insertions(+)
 create mode 100644 
patches/SDL2-2.0.8/0001-sdl-2.0.8-add-egl-cflags-to-test.patch
 create mode 100644 patches/SDL2-2.0.8/series
 create mode 100644 rules/sdl2.in
 create mode 100644 rules/sdl2.make

diff --git a/patches/SDL2-2.0.8/0001-sdl-2.0.8-add-egl-cflags-to-test.patch 
b/patches/SDL2-2.0.8/0001-sdl-2.0.8-add-egl-cflags-to-test.patch
new file mode 100644
index 000000000..84313d2aa
--- /dev/null
+++ b/patches/SDL2-2.0.8/0001-sdl-2.0.8-add-egl-cflags-to-test.patch
@@ -0,0 +1,41 @@
+From: Sergey Zhuravlevich <zhu...@gmail.com>
+Date: Mon, 16 Jul 2018 12:03:42 +0200
+Subject: [PATCH] sdl-2.0.8: add egl-cflags to test
+
+Signed-off-by: Sergey Zhuravlevich <zhu...@gmail.com>
+---
+ configure.in | 14 ++++++++++++++
+ 1 file changed, 14 insertions(+)
+
+diff --git a/configure.in b/configure.in
+index 1c7e79338a88..bfa14fbd4fa7 100644
+--- a/configure.in
++++ b/configure.in
+@@ -2335,6 +2335,17 @@ dnl Find OpenGL ES
+ CheckOpenGLESX11()
+ {
+     if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then
++        AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
++        if  test x$PKG_CONFIG != xno; then
++            if $PKG_CONFIG --exists egl ; then
++                EGL_CFLAGS=`$PKG_CONFIG --cflags egl`
++                EXTRA_CFLAGS="$EXTRA_CFLAGS $EGL_CFLAGS"
++            fi
++        fi
++
++        save_CFLAGS="$CFLAGS"
++        CFLAGS="$save_CFLAGS $EGL_CFLAGS"
++
+         AC_MSG_CHECKING(for EGL support)
+         video_opengl_egl=no
+         AC_TRY_COMPILE([
+@@ -2347,6 +2358,9 @@ CheckOpenGLESX11()
+         video_opengl_egl=yes
+         ])
+         AC_MSG_RESULT($video_opengl_egl)
++
++        CFLAGS="$save_CFLAGS"
++
+         if test x$video_opengl_egl = xyes; then
+             AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ])
+         fi
diff --git a/patches/SDL2-2.0.8/series b/patches/SDL2-2.0.8/series
new file mode 100644
index 000000000..3693c2785
--- /dev/null
+++ b/patches/SDL2-2.0.8/series
@@ -0,0 +1,4 @@
+# generated by git-ptx-patches
+#tag:base --start-number 1
+0001-sdl-2.0.8-add-egl-cflags-to-test.patch
+# 57d72a951bd7f961008ad5274d82876a  - git-ptx-patches magic
diff --git a/rules/sdl2.in b/rules/sdl2.in
new file mode 100644
index 000000000..54edea6ab
--- /dev/null
+++ b/rules/sdl2.in
@@ -0,0 +1,206 @@
+## SECTION=multimedia_sdl
+
+menuconfig SDL2
+       tristate
+       prompt "SDL2                          "
+       select LIBC_M
+       select LIBC_DL
+       select LIBC_PTHREAD
+       select GCCLIBS_GCC_S
+       select LIBUNWIND
+       select CROSS_NASM               if SDL2_VIDEO
+       select ALSA_LIB                 if SDL2_ALSA
+       select XORG_LIB_X11             if SDL2_XORG
+       select XORG_LIB_XT              if SDL2_XORG
+       select XORG_LIB_XVMC            if SDL2_XORG && SDL2_VIDEO
+       select DIRECTFB                 if SDL2_DIRECTFB
+       select TSLIB                    if SDL2_TSLIB
+       select DBUS                     if SDL2_DBUS
+       select LIBDRM                   if SDL2_WAYLAND
+       select MESALIB_GLX              if SDL2_OPENGL
+       select MESALIB_GLES1            if SDL2_OPENGLES1
+       select MESALIB_GLES2            if SDL2_OPENGLES2
+       select MESALIB                  if SDL2_WAYLAND
+       select MESALIB_GBM              if SDL2_WAYLAND
+       select MESALIB_EGL              if SDL2_WAYLAND
+       select MESALIB_EGL_DRM          if SDL2_WAYLAND
+       select MESALIB_EGL_WAYLAND      if SDL2_WAYLAND
+       select LIBXKBCOMMON             if SDL2_WAYLAND
+       select UDEV                     if SDL2_UDEV
+       select UDEV_LIBUDEV             if SDL2_UDEV
+       select PULSEAUDIO               if SDL2_PULSEAUDIO
+       select WAYLAND                  if SDL2_WAYLAND
+       select WAYLAND_PROTOCOLS        if SDL2_WAYLAND
+       help
+         Simple DirectMedia Layer is a cross-platform multimedia
+         library designed to provide low level access to audio,
+         keyboard, mouse, joystick, 3D hardware via OpenGL, and
+         2D video framebuffer.
+
+if SDL2
+
+config SDL2_TIMERS
+       bool
+       prompt "SDL2 Timers Support"
+       default y
+       help
+         FIXME
+
+config SDL2_FILE
+       bool
+       prompt "SDL2 File Support"
+       default y
+       help
+         FIXME
+
+config SDL2_CPUINFO
+       bool
+       prompt "SDL2 CPU Info Support"
+       default y
+       help
+         FIXME
+
+menuconfig SDL2_AUDIO
+       bool
+       prompt "SDL2 Audio Support             "
+       default y
+       help
+         FIXME
+
+if SDL2_AUDIO
+
+config SDL2_OSS
+       bool
+       prompt "SDL2 OSS Support"
+       help
+         Open Sound System (OSS) is the first attempt in
+         unifying the digital audio architecture for UNIX.
+         OSS is a set of device drivers that provide a
+         uniform API across all the major UNIX architectures.
+
+config SDL2_ALSA
+       bool
+       prompt "SDL2 ALSA Support"
+       default y
+       help
+         The Advanced Linux Sound Architecture (ALSA)
+         provides audio and MIDI functionality to the
+         Linux operating system.
+
+config SDL2_PULSEAUDIO
+       bool
+       prompt "SDL2 Pulseaudio Support"
+       default y
+       help
+         pulseaudio
+
+endif
+
+menuconfig SDL2_VIDEO
+       bool
+       prompt "SDL2 Video Support             "
+       default y
+       help
+         FIXME
+
+if SDL2_VIDEO
+
+config SDL2_KMS
+       bool
+       prompt "KMS Support                "
+       help
+         kms video support
+
+config SDL2_XORG
+       bool
+       prompt "Xorg Support                "
+       help
+         X.Org provides an open source implementation of the
+         X Window System.
+
+config SDL2_WAYLAND
+       bool
+       prompt "Wayland Support                "
+       help
+         Wayland Window System.
+
+config SDL2_DIRECTFB
+       bool
+       depends on STAGING
+       prompt "DirectFB Support"
+       default y
+       help
+         DirectFB is a thin library that provides hardware
+         graphics acceleration, input device handling and
+         abstraction, integrated windowing system with support
+         for translucent windows and multiple display layers,
+         not only on top of the Linux Framebuffer Device.
+
+config SDL2_OPENGL
+       bool
+       prompt "OpenGL Support"
+       help
+         OpenGL is a multi-platform software interface to
+         graphics hardware, supporting rendering and imaging
+         operations.
+
+config SDL2_OPENGLES
+       bool
+       prompt "OpenGLES Support"
+       help
+         OpenGL ES graphics support
+
+config SDL2_OPENGLES1
+       bool
+       prompt "OpenGLES1 Support"
+       help
+         OpenGL ES1 graphics support
+
+config SDL2_OPENGLES2
+       bool
+       prompt "OpenGLES2 Support"
+       help
+         OpenGL ES2 graphics support
+
+endif
+
+config SDL2_EVENT
+       bool
+       prompt "SDL2 Event Support"
+       default y
+       help
+         FIXME
+
+config SDL2_JOYSTICK
+       bool
+       prompt "SDL2 Joystick Support"
+       help
+         FIXME
+
+config SDL2_THREADS
+       bool
+       prompt "SDL2 Thread Support            "
+       default y
+       help
+         Turn on multithreading support
+
+config SDL2_TSLIB
+       bool
+       prompt "tslib Support"
+       help
+         Turn on support for the touchscreen library 'tslib'
+
+config SDL2_UDEV
+       bool
+       prompt "udev Support"
+       help
+         Turn on support for the udev library
+
+config SDL2_DBUS
+       bool
+       prompt "dbus Support"
+
+       help
+         Turn on support for the dbus library
+
+endif
diff --git a/rules/sdl2.make b/rules/sdl2.make
new file mode 100644
index 000000000..51cbf91e7
--- /dev/null
+++ b/rules/sdl2.make
@@ -0,0 +1,164 @@
+# -*-makefile-*-
+#
+# Copyright (C) 2018 by Sergey Zhuravlevich
+#
+# See CREDITS for details about who has contributed to this project.
+#
+# For further information about the PTXdist project and license conditions
+# see the README file.
+#
+
+#
+# We provide this package
+#
+PACKAGES-$(PTXCONF_SDL2) += sdl2
+
+#
+# Paths and names
+#
+SDL2_VERSION   := 2.0.8
+SDL2_MD5               := 3800d705cef742c6a634f202c37f263f
+SDL2           := SDL2-$(SDL2_VERSION)
+SDL2_SUFFIX    := tar.gz
+SDL2_URL               := https://www.libsdl.org/release/$(SDL2).$(SDL2_SUFFIX)
+SDL2_SOURCE    := $(SRCDIR)/$(SDL2).$(SDL2_SUFFIX)
+SDL2_DIR               := $(BUILDDIR)/$(SDL2)
+SDL2_LICENSE   := zlib
+
+# ----------------------------------------------------------------------------
+# Prepare
+# ----------------------------------------------------------------------------
+
+$(STATEDIR)/sdl2.extract.post:
+       @$(call targetinfo)
+       cd $(SDL2_DIR) && \
+               $(SDL2_PATH) $(SDL2_ENV) \
+               ./autogen.sh
+       @$(call touch)
+
+# ----------------------------------------------------------------------------
+# Prepare
+# ----------------------------------------------------------------------------
+
+#
+# autoconf
+#
+SDL2_CONF_TOOL := autoconf
+SDL2_CONF_OPT  := \
+       $(CROSS_AUTOCONF_USR) \
+       --enable-shared \
+       --disable-static \
+       --enable-libtool-lock \
+       --enable-assertions=auto \
+       --enable-dependency-tracking \
+       --enable-libc \
+       --enable-gcc-atomics \
+       --enable-atomic \
+       --$(call ptx/endis,PTXCONF_SDL2_AUDIO)-audio \
+       --$(call ptx/endis,PTXCONF_SDL2_VIDEO)-video \
+       --disable-render \
+       --$(call ptx/endis,PTXCONF_SDL2_EVENT)-events \
+       --$(call ptx/endis,PTXCONF_SDL2_JOYSTICK)-joystick \
+       --disable-haptic \
+       --disable-power \
+       --disable-filesystem \
+       --$(call ptx/endis,PTXCONF_SDL2_THREADS)-threads \
+       --$(call ptx/endis,PTXCONF_SDL2_TIMERS)-timers \
+       --$(call ptx/endis,PTXCONF_SDL2_FILE)-file \
+       --enable-loadso \
+       --$(call ptx/endis,PTXCONF_SDL2_CPUINFO)-cpuinfo \
+       --enable-assembly \
+       --disable-ssemath \
+       --disable-mmx \
+       --disable-3dnow \
+       --disable-sse \
+       --disable-sse2 \
+       --disable-sse3 \
+       --disable-jack \
+       --disable-jack-shared \
+       --disable-sndio \
+       --disable-sndio-shared \
+       --disable-fusionsound \
+       --disable-fusionsound-shared \
+       --$(call ptx/endis,PTXCONF_SDL2_OSS)-oss \
+       --$(call ptx/endis,PTXCONF_SDL2_ALSA)-alsa \
+       --disable-alsatest \
+       --disable-alsa-shared \
+       --disable-esd \
+       --disable-esdtest \
+       --disable-esd-shared \
+       --$(call ptx/endis,PTXCONF_SDL2_PULSEAUDIO)-pulseaudio \
+       --$(call ptx/endis,PTXCONF_SDL2_PULSEAUDIO)-pulseaudio-shared \
+       --disable-arts \
+       --disable-arts-shared \
+       --disable-nas \
+       --disable-nas-shared \
+       --disable-diskaudio \
+       --disable-dummyaudio \
+       --disable-libsamplerate \
+       --disable-libsamplerate-shared \
+       --$(call ptx/endis,PTXCONF_SDL2_WAYLAND)-video-wayland \
+       --disable-video-wayland-qt-touch \
+       --$(call ptx/endis,PTXCONF_SDL2_WAYLAND)-wayland-shared \
+       --disable-video-mir \
+       --disable-mir-shared \
+       --disable-video-rpi \
+       --disable-altivec \
+       --$(call ptx/endis,PTXCONF_SDL2_XORG)-video-x11 \
+       --disable-x11-shared \
+       --$(call ptx/endis,PTXCONF_SDL2_XORG)-video-x11-vm \
+       --disable-video-vivante \
+       --disable-video-x11-xinerama \
+       --disable-video-x11-xrandr \
+       --disable-video-x11-xcursor \
+       --disable-video-x11-xdbe \
+       --$(call ptx/endis,PTXCONF_SDL2_XORG)-video-x11-xinput \
+       --$(call ptx/endis,PTXCONF_SDL2_XORG)-video-x11-scrnsaver \
+       --$(call ptx/endis,PTXCONF_SDL2_XORG)-video-x11-xshape \
+       --disable-video-cocoa \
+       --disable-render-metal \
+       --$(call ptx/endis,PTXCONF_SDL2_DIRECTFB)-video-directfb \
+       --$(call ptx/endis,PTXCONF_SDL2_DIRECTFB)-directfb-shared \
+       --$(call ptx/endis,PTXCONF_SDL2_KMS)-video-kmsdrm \
+       --$(call ptx/endis,PTXCONF_SDL2_KMS)-kmsdrm-shared \
+       --enable-video-dummy \
+       --$(call ptx/endis,PTXCONF_SDL2_OPENGL)-video-opengl \
+       --$(call ptx/endis,PTXCONF_SDL2_OPENGLES)-video-opengles \
+       --$(call ptx/endis,PTXCONF_SDL2_OPENGLES1)-video-opengles1 \
+       --$(call ptx/endis,PTXCONF_SDL2_OPENGLES2)-video-opengles2 \
+       --disable-video-vulkan \
+       --$(call ptx/endis,PTXCONF_SDL2_UDEV)-libudev \
+       --$(call ptx/endis,PTXCONF_SDL2_DBUS)-dbus \
+       --disable-ime \
+       --disable-ibus \
+       --disable-fcitx \
+       --$(call ptx/endis,PTXCONF_SDL2_TSLIB)-input-tslib \
+       --enable-pthreads \
+       --enable-pthread-sem \
+       --disable-directx \
+       --enable-sdl-dlopen \
+       --enable-clock_gettime \
+       --disable-rpath \
+       --disable-render-d3d \
+       --$(call ptx/wwo,PTXCONF_SDL2_XORG)-x
+
+# ----------------------------------------------------------------------------
+# Target-Install
+# ----------------------------------------------------------------------------
+
+$(STATEDIR)/sdl2.targetinstall:
+       @$(call targetinfo)
+
+       @$(call install_init, sdl2)
+       @$(call install_fixup, sdl2,PRIORITY,optional)
+       @$(call install_fixup, sdl2,SECTION,base)
+       @$(call install_fixup, sdl2,AUTHOR,"Sergey Zhuravlevich 
<zhu...@gmail.com>")
+       @$(call install_fixup, sdl2,DESCRIPTION,missing)
+
+       @$(call install_lib, sdl2, 0, 0, 0644, libSDL2-2.0)
+
+       @$(call install_finish, sdl2)
+
+       @$(call touch)
+
+# vim: syntax=make
-- 
2.18.0


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