Files
LocalAI/backend/go/sam3-cpp/run.sh
Ettore Di Giacinto 56c50c4b66 fix(backends): darwin/metal support across purego Go backends
The parakeet-cpp fix in the previous commit was an instance of a bug
shared by nearly every purego/dlopen Go backend: the dlopen target was
hardcoded to a .so name and run.sh exported only LD_LIBRARY_PATH, so the
backend panicked at startup on macOS/Apple-Metal nodes (dyld needs the
.dylib name and DYLD_LIBRARY_PATH). voxtral was the only backend handling
this correctly.

Apply the same four-layer fix (mirroring backend/go/voxtral) to the
remaining affected backends:

  whisper, sherpa-onnx, ced, stablediffusion-ggml, vibevoice-cpp,
  qwen3-tts-cpp, omnivoice-cpp, crispasr, acestep-cpp, locate-anything-cpp,
  depth-anything-cpp, rfdetr-cpp, sam3-cpp, localvqe

Per backend:
- main.go (sherpa-onnx: backend.go, two libraries): default the dlopen
  target to the .dylib on darwin (runtime.GOOS), .so elsewhere; the
  existing <BACKEND>_LIBRARY env override still wins.
- run.sh: on Darwin set DYLD_LIBRARY_PATH and point <BACKEND>_LIBRARY at
  the packaged .dylib; keep LD_LIBRARY_PATH + the Linux CPU-variant
  (avx/avx2/avx512) selection unchanged in the else branch.
- package.sh: also bundle the .dylib and stop hard-failing when no .so is
  present (the macOS case).
- Makefile: also stage the built .dylib.

Notes:
- stablediffusion-ggml and acestep-cpp build their lib as a CMake MODULE,
  which emits .so (not .dylib) on macOS; run.sh prefers .dylib and falls
  back to .so so both layouts work.
- sherpa-onnx was already partly darwin-aware (Makefile/package.sh); only
  run.sh and the two dlopen defaults needed fixing.

Linux behavior is unchanged. Verified gofmt-clean and
`CGO_ENABLED=0 go build` for every backend.

Assisted-by: Claude:claude-opus-4-8
Signed-off-by: Ettore Di Giacinto <mudler@localai.io>
2026-06-24 16:20:57 +00:00

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#!/bin/bash
set -ex
# Get the absolute current dir where the script is located
CURDIR=$(dirname "$(realpath $0)")
cd /
echo "CPU info:"
if [ "$(uname)" != "Darwin" ]; then
grep -e "model\sname" /proc/cpuinfo | head -1
grep -e "flags" /proc/cpuinfo | head -1
fi
if [ "$(uname)" = "Darwin" ]; then
# macOS: single dylib variant (Metal or Accelerate)
LIBRARY="$CURDIR/libgosam3-fallback.dylib"
export DYLD_LIBRARY_PATH=$CURDIR/lib:$DYLD_LIBRARY_PATH
else
LIBRARY="$CURDIR/libgosam3-fallback.so"
if grep -q -e "\savx\s" /proc/cpuinfo ; then
echo "CPU: AVX found OK"
if [ -e $CURDIR/libgosam3-avx.so ]; then
LIBRARY="$CURDIR/libgosam3-avx.so"
fi
fi
if grep -q -e "\savx2\s" /proc/cpuinfo ; then
echo "CPU: AVX2 found OK"
if [ -e $CURDIR/libgosam3-avx2.so ]; then
LIBRARY="$CURDIR/libgosam3-avx2.so"
fi
fi
# Check avx 512
if grep -q -e "\savx512f\s" /proc/cpuinfo ; then
echo "CPU: AVX512F found OK"
if [ -e $CURDIR/libgosam3-avx512.so ]; then
LIBRARY="$CURDIR/libgosam3-avx512.so"
fi
fi
export LD_LIBRARY_PATH=$CURDIR/lib:$LD_LIBRARY_PATH
fi
export SAM3_LIBRARY=$LIBRARY
# If there is a lib/ld.so, use it
if [ -f $CURDIR/lib/ld.so ]; then
echo "Using lib/ld.so"
echo "Using library: $LIBRARY"
exec $CURDIR/lib/ld.so $CURDIR/sam3-cpp "$@"
fi
echo "Using library: $LIBRARY"
exec $CURDIR/sam3-cpp "$@"