<!-- Describe the issue -->
When cloning Bitcoin Core and trying to configure/build, I get the error:
./configure: line 1: syntax error near unexpected token ('
Building from the boot disk works as expected, but if I replicate these steps exactly on my external hard drive, I get the above error
<!--- What behavior did you expect? -->
I expected the configure file to generate a makefile
<!--- How reliably can you reproduce the issue, what are the steps to do so? -->
Try building with MacOS 10.15 beta (build 19A512f) on an external 1TB hard drive.
<!-- What version of Bitcoin Core are you using, where did you get it (website, self-compiled, etc)? -->
Running the latest clone from GitHub (latest commit 94df084)
<!-- What type of machine are you observing the error on (OS/CPU and disk type)? -->
2015 MacBook Pro 15"