Add support for new pnacl native toolchain driver

ports/quakespasm/nacl.patch

 diff --git a/Quake/Makefile b/Quake/Makefile
 --- a/Quake/Makefile
 +++ b/Quake/Makefile
 @@ -14,7 +14,7 @@ USE_CODEC_MP3=1
  USE_CODEC_VORBIS=1
  
  # which library to use for mp3 decoding: mad or mpg123
 -MP3LIB=mad
 +MP3LIB=mpg123
  # which library to use for ogg decoding: vorbis or tremor
@@ skipping 95 matching lines @@
  # ---------------------------
  # rules
  # ---------------------------
  
  %.o:   %.c
 -       $(CC) $(DFLAGS) -c $(CFLAGS) $(SDL_CFLAGS) -o $@ $^
 +       $(RUN_CC)$(CC) $(DFLAGS) -c $(CPPFLAGS) $(CFLAGS) $(SDL_CFLAGS) -o $@ $^
  
  # ----------------------------------------------------------------------------
  # objects
-@@ -254,11 +265,11 @@ OBJS := strlcat.o \
+@@ -254,11 +265,13 @@ OBJS := strlcat.o \
  # Linux build rules
  # ------------------------
  
 -quakespasm:    $(OBJS)
 -       $(LINKER) $(OBJS) $(LDFLAGS) $(LIBS) $(SDL_LIBS) -o $@
+-       $(call do_strip,$@)
 +quakespasm$(EXEEXT):   $(OBJS)
 +       $(RUN_CCLD)$(LINKER) $(OBJS) $(LDFLAGS) $(LIBS) $(SDL_LIBS) -o $@
-        $(call do_strip,$@)
++       -if test $(NACL_ARCH) != le32; then \
++               $(call do_strip,$@); \
++       fi
  
 -release:       quakespasm
 +release:       quakespasm$(EXEEXT)
  debug:
         $(error Use "make DEBUG=1")
  
 diff --git a/Quake/arch_def.h b/Quake/arch_def.h
 --- a/Quake/arch_def.h
 +++ b/Quake/arch_def.h
 @@ -77,6 +77,7 @@
@@ skipping 94 matching lines @@
 --- a/Quake/sys_sdl_unix.c
 +++ b/Quake/sys_sdl_unix.c
 @@ -27,6 +27,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  #include <unistd.h>
  #include <sys/stat.h>
  #include <sys/time.h>
 +#include <sys/select.h>
  #include <fcntl.h>
  #include <time.h>