Re: A few Issues Building Snort++ (3.0.0-a4-b244) on Ubuntu

[Jonathan McDowell via Snort-devel <snort-devel () lists snort org>]

On Sat, Mar 17, 2018 at 10:55:34AM -0400, Russ via Snort-devel wrote:
> On 3/17/18 2:04 AM, Noah Dietrich wrote:
> > 3. Additional question -> will DAQ go to cmake in the future?
> >
> > Will DAQ move to cmake in the future?
> There is no plan at this time to change DAQ to cmake.  Are you just
> curious or is there a specific concern?

It'd be nice to see DAQ move to pkg-config rather than the
"daq-modules-config" binary - that would make things easier for cross
compilation.

> > //-------------------------------------------------------------
> > 4. Install location of snort binary seems off
> >
> > When I run configure_cmake.sh and specify the prefix path as the root of
> > the drive (--prefix=/), most of the files are installed where you'd
> > expect (/etc/snort, et cetera), however the snort binary is placed in
> > /usr/bin/snort, this is different than previous installations, where
> > setting the prefix to the root of the drive would install the snort
> > binary to the /bin directory. is this a bug or by design?
> Install should be using your prefix.  Maybe this broke with the recent use
> of GNUInstallDirs.  However, we build and test using prefix all the time and
> it is working here, but we probably never tried /.  I wouldn't expect it to
> matter, but what happens if you use some other path?

This is definitely a GNUInstallDirs issue; my bad. Apparently CMake
special cases /, /usr + /opt:

https://gitlab.kitware.com/cmake/cmake/blob/master/Modules/GNUInstallDirs.cmake#L73

J.

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