Symlinking the vecLib-based BLAS no longer seems to work with R 4.5.0. After
running `ln -sf libRblas.vecLib.dylib libRblas.dylib`, R fails to load the
stats package:
```
During startup - Warning message:
package ‘stats’ in options("defaultPackages") was not found
> library(stats)
Error: package or namespace load failed for ‘stats’ in dyn.load(file, DLLpath =
DLLpath, ...):
unable to load shared object
'/Library/Frameworks/R.framework/Versions/4.5-arm64/Resources/library/stats/libs/stats.so':
dlopen(/Library/Frameworks/R.framework/Versions/4.5-arm64/Resources/library/stats/libs/stats.so,
0x0006): Symbol not found: _dgemmtr_
Referenced from: <28799065-89DC-362D-9F05-042D50E7824C>
/Library/Frameworks/R.framework/Versions/4.5-arm64/Resources/lib/libRlapack.dylib
Expected in: <BA0E9688-AFD2-34E6-A54F-3B08D084074A>
/Library/Frameworks/R.framework/Versions/4.5-arm64/Resources/lib/libRblas.vecLib.dylib
```
Switching back to the default BLAS fixes the problem. In R 4.4.3, which I also
still have installed through rig, the vecLib BLAS works fine.
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