On Wed, 8 Jan 2014 07:07:29 -0800 (PST)
kameron cole <kc0...@gmail.com> wrote:

> Having trouble from the "git" go. I installed git on my Mac OSX
> 10.7.5. Can't seem to git going.
> All of the git config commands in the documentation fail with the
> error "Illegal instruction 4".  What is this?

I'd say Git process is failing due to it being sent a SIGILL signal
which is usually sent to the process on POSIX-like systems (Mac OS X
included) when it tries to execute on the host CPU a machine-level
instruction which has no sense for that CPU.  I might see two reasons
for this: 1) a garbled binary file -- a typical reason might be your
hard disk failing so when the installation process wrote that binary
file to the filesystem its content silently became thrashed; 2) somehow
you've managed to get a build of Git targeted for a hardware platform
other than the one your OS runs on.  I can't say more on (2) because I
always assumed these days those "universal" bundles are supposed to
work on any supported Mac desktop platforms, and these are Intels
anyway (m68k are long gone, if I understand correctly).

And sort of point #3: googling for the relevant info [1] yields that
certain options used for compiling the code might provide what you're
observing, namely, see [2] and [3].  I have no idea how did you get
your Git installation so it may or may not apply to you.  Please do
your own research.

1. https://www.google.com/search?q=mac+"Illegal+instruction+4";
2. http://stackoverflow.com/a/14285922/720999
3. http://stackoverflow.com/a/12906328/720999

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