Thank you, but not only sdl is missing
uade.o: In function `uade_song_end':
uade.c:(.text.uade_song_end+0x44): undefined reference to `uade_request_change_subtune'
uade.o: In function `uade_get_amiga_message':
uade.c:(.text.uade_get_amiga_message+0xa4): undefined reference to `uade_set_subtunes'
ossupport.o: In function `uade_amiga_scandir':
ossupport.c:(.text.uade_amiga_scandir+0x2c): undefined reference to `pspDebugScreenPrintf'
ossupport.c:(.text.uade_amiga_scandir+0x78): undefined reference to `pspDebugScreenPrintf'
ossupport.c:(.text.uade_amiga_scandir+0xc4): undefined reference to `pspDebugScreenPrintf'
ossupport.c:(.text.uade_amiga_scandir+0x16c): undefined reference to `pspDebugScreenPrintf'
ossupport.o: In function `uade_open_amiga_file':
ossupport.c:(.text.uade_open_amiga_file+0x38): undefined reference to `pspDebugScreenPrintf'
ossupport.o:ossupport.c:(.text.uade_open_amiga_file+0x84): more undefined references to `pspDebugScreenPrintf' follow
ipcsupport.o: In function `uade_ipc_write':
ipcsupport.c:(.text.uade_ipc_write+0x24): undefined reference to `get_write_mutex'
ipcsupport.c:(.text.uade_ipc_write+0x70): undefined reference to `release_write_mutex'
ipcsupport.c:(.text.uade_ipc_write+0x94): undefined reference to `release_write_mutex'
ipcsupport.o: In function `uade_ipc_data_available':
ipcsupport.c:(.text.uade_ipc_data_available+0x20): undefined reference to `get_read_mutex'
ipcsupport.c:(.text.uade_ipc_data_available+0x40): undefined reference to `release_read_mutex'
ipcsupport.o: In function `uade_ipc_read':
ipcsupport.c:(.text.uade_ipc_read+0x24): undefined reference to `get_read_mutex'
ipcsupport.c:(.text.uade_ipc_read+0x60): undefined reference to `client_sleep'
ipcsupport.c:(.text.uade_ipc_read+0x70): undefined reference to `get_read_mutex'
ipcsupport.c:(.text.uade_ipc_read+0x88): undefined reference to `release_read_mutex'
ipcsupport.c:(.text.uade_ipc_read+0xe0): undefined reference to `release_read_mutex'