X11 app - unable to open display ""

[raf]

Chris Jones wrote:

> > On 22 Apr 2019, at 10:57 pm, macports at raf.org wrote:
> > 
> > Hi,
> > 
> >  $ port search xorg-server
> >  xorg-server @1.20.4 (x11, devel)
> >      The X.org / Xquartz X server.
> > 
> >  xorg-server-devel @1.20.4 (x11, devel)
> >      The X.org / Xquartz X server.
> > 
> >  Found 2 ports.
> > 
> > Is the xorg-server-devel package needed to compile X11 software
> > (e.g. if I wanted to configure and compile my own gvim)?
> > Both ports say (x11, devel).
> 
> No. Both provide an X11 server in the same way. The only difference
> is, normally, the devel version is (as per usual macports conventions)
> a more up to date development version. It just so happens that at the
> moment the two provide the same build. Until recently though, this was
> not the case.

Thanks. I thought it might be like when -devel is added
to a library's package name on some systems to indicate
that it includes header files for compiling new
programs that use the library rather than just
containing the library itself for dynamic linking
purposes.

thanks,
raf