Would it be possible to get rid of the dependency on GNU coreutils and GNU getopt on macOS?

[s3rvac]

Currently, we require macOS users to have GNU coreutils and GNU getopt in PATH, with the additional requirement that GNU getopt has to be in PATH before the built-in getopt. I wonder if it would be possible to get rid of these two dependencies and just use the built-in macOS versions of various commands.

Currently, I am aware of the following commands and places where the GNU versions are needed:

• greadlink in all our scripts inside scripts/ to find the path to the directory where each script is located
• getopt in multiple scripts inside scripts/ (two retdec-* scripts and scripts in scripts/type_extractor)
• gtimeout in scripts/retdec-archive-decompiler.sh
• gsha256sum in cmake/install-share (the use of gsha256sum in there is already optional if you have shasum in your PATH)

[psifertex]

shasum is included by default in the standard MacOS install, isn't it? That sound solve the last one.

[psifertex]

"should solve", sorry.

[s3rvac]

Yes, the last one (sha256sum) should have already been solved since 0f1281e:

sha256hash()
{
    # To compute the SHA-256 hash, try several alternatives, based on what
    # command is available on the system.
    if command -v gsha256sum >/dev/null 2>&1; then
        gsha256sum "$@"
    elif command -v shasum >/dev/null 2>&1; then
        shasum -a 256 "$@"
    else
        sha256sum "$@"
    fi
}

[PeterMatula]

Fixed by replacing Bash scripts with Python (#147, #338).