Merge pull request #829 from thelamer/fix-emscripten

fix emscripten builds

Makefile

@@ -327,93 +327,10 @@ else ifeq ($(platform), emscripten)
    fpic    := -fPIC
    SHARED  := -shared -Wl,--no-undefined -Wl,--version-script=link.T
    LDFLAGS += $(PTHREAD_FLAGS)
-   FLAGS   += $(PTHREAD_FLAGS) -Dretro_fopen=gg_retro_fopen\
-               -Dmain=gg_main\
-               -Dretro_fclose=gg_retro_fclose\
-               -Dretro_fseek=gg_retro_fseek\
-               -Dretro_fread=gg_retro_fread\
-               -Dretro_fwrite=gg_retro_fwrite\
-               -Dpath_is_directory=gg_path_is_directory\
-               -Dscond_broadcast=gg_scond_broadcast\
-               -Dscond_wait_timeout=gg_scond_wait_timeout\
-               -Dscond_signal=gg_scond_signal\
-               -Dscond_wait=gg_scond_wait\
-               -Dscond_free=gg_scond_free\
-               -Dscond_new=gg_scond_new\
-               -Dslock_unlock=gg_slock_unlock\
-               -Dslock_lock=gg_slock_lock\
-               -Dslock_free=gg_slock_free\
-               -Dslock_new=gg_slock_new\
-               -Dsthread_join=gg_sthread_join\
-               -Dsthread_detach=gg_sthread_detach\
-               -Dsthread_create=gg_sthread_create\
-               -Dscond=gg_scond\
-               -Dslock=gg_slock\
-               -Drglgen_symbol_map=mupen_rglgen_symbol_map \
-               -Dmain_exit=mupen_main_exit \
-               -Dadler32=mupen_adler32 \
-               -Drglgen_resolve_symbols_custom=mupen_rglgen_resolve_symbols_custom \
-               -Drglgen_resolve_symbols=mupen_rglgen_resolve_symbols \
-               -Dsinc_resampler=mupen_sinc_resampler \
-               -Dnearest_resampler=mupen_nearest_resampler \
-               -DCC_resampler=mupen_CC_resampler \
-               -Daudio_resampler_driver_find_handle=mupen_audio_resampler_driver_find_handle \
-               -Daudio_resampler_driver_find_ident=mupen_audio_resampler_driver_find_ident \
-               -Drarch_resampler_realloc=mupen_rarch_resampler_realloc \
-               -Daudio_convert_s16_to_float_C=mupen_audio_convert_s16_to_float_C \
-               -Daudio_convert_float_to_s16_C=mupen_audio_convert_float_to_s16_C \
-               -Daudio_convert_init_simd=mupen_audio_convert_init_simd \
-               -Dfilestream_open=gg_filestream_open\
-               -Dfilestream_get_fd=gg_filestream_get_fd\
-               -Dfilestream_read=gg_filestream_read\
-               -Dfilestream_seek=gg_filestream_seek\
-               -Dfilestream_close=gg_filestream_close\
-               -Dfilestream_tell=gg_filestream_tell\
-               -Dfilestream_set_size=gg_filestream_set_size\
-               -Dfilestream_get_ext=gg_filestream_get_ext\
-               -Dfilestream_get_size=gg_filestream_get_size\
-               -Dfilestream_read_file=gg_filestream_read_file\
-               -Dfilestream_write_file=gg_filestream_write_file\
-               -Dfilestream_write=gg_filestream_write\
-               -Dfilestream_rewind=gg_filestream_rewind\
-               -Dfilestream_putc=gg_filestream_putc\
-               -Dfilestream_getline=gg_filestream_getline\
-               -Dfilestream_getc=gg_filestream_getc\
-               -Dfilestream_gets=gg_filestream_gets\
-               -Dfilestream_eof=gg_filestream_eof\
-               -Dfilestream_flush=gg_filestream_flush\
-               -Dpath_is_character_special=gg_path_is_character_special\
-               -Dpath_is_valid=gg_path_is_valid\
-               -Dpath_is_compressed=gg_path_is_compressed\
-               -Dpath_is_compressed_file=gg_path_is_compressed_file\
-               -Dpath_is_absolute=gg_path_is_absolute\
-               -Dpath_is_directory=gg_path_is_directory\
-               -Dpath_get_size=gg_path_get_size\
-               -Dpath_get_extension=gg_path_get_extension\
-               -Dstring_is_empty=gg_string_is_empty\
-               -Dstring_is_equal=gg_string_is_equal\
-               -Dstring_to_upper=gg_string_to_upper\
-               -Dstring_to_lower=gg_string_to_lower\
-               -Dstring_ucwords=gg_string_ucwords\
-               -Dstring_replace_substring=gg_string_replace_substring\
-               -Dstring_trim_whitespace_left=gg_string_trim_whitespace_left\
-               -Dstring_trim_whitespace_right=gg_string_trim_whitespace_right\
-               -Dstring_trim_whitespace_left=gg_string_trim_whitespace_left\
-               -Dstring_trim_whitespace=gg_string_trim_whitespace\
-               -Dsthread_isself=gg_sthread_isself\
-               -Dstring_is_equal_noncase=gg_string_is_equal_noncase\
-               -Dmkdir_norecurse=gg_mkdir_norecurse
-
    STATIC_LINKING = 1
-
-   ifeq ($(HAVE_OPENGL),1)
-      ifneq (,$(findstring gles,$(platform)))
-         GLES = 1
-         GL_LIB := -lGLESv2
-      else
-         GL_LIB := -lGL
-      endif
-   endif
+   HAVE_LIGHTREC = 0
+   NEED_THREADING = 0
+   HAVE_CDROM = 0
 
 # Raspberry Pi 4 in 64bit mode
 else ifeq ($(platform), rpi4_64)