Experimental Physics and
Industrial Control System

Benjamin Franksen <[email protected]> · Tue, 23 Jan 2018 15:17:14 +0100

On 01/22/2018 03:34 PM, Mark Rivers wrote:
>> I think I should update the link in the docs to point at the re2c
>> home page (http://re2c.org/), rather than the (outdated) 
>> sourceforge page (https://sourceforge.net/projects/re2c/files/).
> 
> 
> The problem with that is that the re2c.org site does not provide
> pre-built Windows binaries, and building it for Windows is
> non-trivial.  EPICS supports building on Windows with Visual Studio.
> But the re2c docs say that only cygwin or mingw are supported.  That
> means EPICS Windows users would need 2 compilers.  Not only that, but
> it requires the "configure" utility, which means it needs not only
> another compiler, but another shell and Linux-like utilities.

I was not fully aware of these difficulties. I have added a link as you
suggested with an extra note about Windows binaries.

> A zip file with a single pre-built executable is much simpler.  Note
> that this is what Andrew Johnson has done for Gnumake
> (https://epics.anl.gov/download/tools/make-4.1-win64.zip), and it is
> very convenient.

Can you or Andrew comment on how you created this binary version of GNU
make? Perhaps we can do something similar for more recent versions of
re2c, too.

> Note that if one Googles "re2c Windows" the first hit is this page:
> 
> http://gnuwin32.sourceforge.net/packages/re2c.htm
> 
> 
> That is version 0.9.4, and does not work with the sequencer.  This is
> probably what Vishnu found and used.   I had to search to find the
> site with pre-built 0.13.5, which is why I suggested putting a link
> to it in the seq docs.

I see, thanks for the additional details.

Cheers
Ben
-- 
"Make it so they have to reboot after every typo." ― Scott Adams

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System