Enabling CoreML Support produces link error with v1.3.0
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jcsoo commented
Whisper.cpp v1.3.0 has optional support for CoreML acceleration, which speeds up inference significantly (about 4x for me on a MacBook Air M1). To test this out, I added -DWHISPER_COREML=1 to the cmake command in build.rs, but got an error in the linking step:
= note: Undefined symbols for architecture arm64:
"_whisper_coreml_encode", referenced from:
whisper_encode_internal(whisper_context&, whisper_state&, int, int) in libwhisper_rs_sys-c9402f202599effc.rlib(whisper.cpp.o)
"_whisper_coreml_free", referenced from:
_whisper_free_state in libwhisper_rs_sys-c9402f202599effc.rlib(whisper.cpp.o)
"_whisper_coreml_init", referenced from:
_whisper_init_state in libwhisper_rs_sys-c9402f202599effc.rlib(whisper.cpp.o)
ld: symbol(s) not found for architecture arm64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
My guess is that this an upstream issue where the symbols aren't getting exported publicly when building the library, but my C++ isn't good enough to figure out a solution. Hoping that someone can verify that there isn't anything else we should be doing to enable this.
tazz4843 commented
I have no way to check this, so your best chance at getting this fixed is going to be hoping someone else can reproduce it. Sorry about that.