frontend: initial libretro support

..and some refactoring

1 files changed, 19 insertions, 6 deletions

diff --git a/configure b/configure
index 00511bd..6552ef5 100755
--- a/configure
+++ b/configure
@@ -24,9 +24,9 @@ check_define()
 # setting options to "yes" or "no" will make that choice default,
 # "" means "autodetect".
 
-platform_list="generic pandora maemo caanoo"
+platform_list="generic pandora maemo caanoo libretro"
 platform="generic"
-sound_driver_list="oss alsa none"
+sound_driver_list="oss alsa libretro none"
 sound_driver="alsa"
 plugins="plugins/spunull/spunull.so \
 plugins/dfxvideo/gpu_peops.so plugins/gpu_unai/gpu_unai.so"
@@ -74,6 +74,9 @@ set_platform()
     drc_cache_base="yes"
     optimize_arm926ej="yes"
     ;;
+  libretro)
+    sound_driver="libretro"
+    ;;
   *)
     echo "unsupported platform: $platform"
     exit 1
@@ -118,7 +121,7 @@ if [ "$show_help" = "yes" ]; then
 fi
 
 case "$sound_driver" in
-oss|alsa|none)
+oss|alsa|libretro|none)
   ;;
 *)
   echo "unsupported sound driver: $sound_driver"
@@ -201,17 +204,24 @@ if [ "$ram_fixed" = "yes" ]; then
   CFLAGS="$CFLAGS -DRAM_FIXED"
 fi
 
-if [ "$platform" = "generic" ]; then
+case "$platform" in
+generic)
   generic_cflags=`sdl-config --cflags`
   generic_ldlibs=`sdl-config --libs`
   CFLAGS="$CFLAGS $generic_cflags"
   LDFLAGS="$LDFLAGS $generic_ldlibs"
-elif [ "$platform" = "maemo" ]; then
+  ;;
+maemo)
   maemo_cflags=`pkg-config --cflags hildon-1`
   maemo_ldlibs=`pkg-config --libs hildon-1`
   CFLAGS="$CFLAGS -DMAEMO -DMAEMO_CHANGES $maemo_cflags"
   LDFLAGS="$LDFLAGS $maemo_ldlibs"
-fi
+  ;;
+libretro)
+  CFLAGS="$CFLAGS -fPIC"
+  LDFLAGS="$LDFLAGS -shared"
+  ;;
+esac
 
 # check for tslib (only headers needed)
 if [ "x$have_tslib" = "x" ]; then
@@ -277,6 +287,9 @@ echo "LDLIBS += $LDLIBS" >> $config_mak
 echo "PLUGIN_CFLAGS += $PLUGIN_CFLAGS" >> $config_mak
 echo >> $config_mak
 
+if [ "$platform" = "libretro" ]; then
+  echo "TARGET = libretro.so" >> $config_mak
+fi
 echo "ARCH = $ARCH" >> $config_mak
 echo "PLATFORM = $platform" >> $config_mak
 case "$sound_driver" in