On 16 Nov 2015 7:35 am, "Marco Leise via Digitalmars-d" < [email protected]> wrote: > > Am Wed, 11 Nov 2015 17:24:18 +0000 > schrieb Chris Piker <[email protected]>: > > > On Tuesday, 12 November 2013 at 19:50:32 UTC, Marco Leise wrote: > > > I've seen people use both 'd' and 'dlang' now, so I created a > > > poll. Everyone assembling Linux packages is then free use the > > > results to create a similar experience on all distributions. > > > > > > http://www.easypolls.net/poll.html?p=52828149e4b06cfb69b97527 > > > > Has this issued been settled? We are using the dmd compiler on > > CentOS 6. I have a custom plplot.d file that I want to put > > somewhere under our shared /usr/local for our programmers to use. > > If I want to follow some sort of precedent then it looks like my > > choices are: > > > > /usr/local/include/dmd (similar to dmd rpm) > > /usr/local/include > > /usr/local/include/d > > /usr/local/include/dlang > > /usr/local/src > > /usr/local/src/d > > /usr/local/src/dlang > > > > I personally prefer: > > > > /usr/local/src/d > > > > but would like to go with some sort of convention if one is > > starting to gel. > > By secret ballot vote in this poll options with "d" in it lost > 1:2 to "dlang". As far as I know this was the only real effort > to unify directory names across Linux distributions and at > least two package maintainers (Dicebot for Arch Linux and me > on Gentoo) have used the input from the following discussion > to decide on an import path for the currently active system DMD > compiler: > > /usr/include/dlang/dmd > > This was after the official DMD package build script > for .rpm/.deb have been created and "D" was renamed to > "Dlang", so the discussion had no influence on their layout. > > As far as /usr/local/src goes, I've never seen anything but OS > sources (i.e. Linux kernel) being installed to /usr/src > and /usr/local is conventionally used like /usr, but for > additional local files that are not covered by the generic OS > installation: > https://www.centos.org/docs/5/html/5.1/Deployment_Guide/s3-filesystem-usr-local.html > > As for installing additional Dlang library imports, I advise > to use one subdirectory in /usr/include/dlang for each package > and "parallel version". What I mean by that is that many real > packages change their API over the years, sometimes so > radically that some packages stick with previous versions. One > such example is Gtk, with GIMP still using Gtk 2 and Gnome > being linked against Gtk 3. In such cases you want be able to > include either gtk2 or gtk3. Now if you look at GtkD you see > this reflected in different import paths, namely gtkd-2 and > gtkd-3. Both contain common module paths like gtkc/cairo.d > that would overwrite each other if not put under different > parent directories. And once you have > > /usr/include/dlang/dmd > /usr/include/dlang/ldc > /usr/include/dlang/gtkd-2 > /usr/include/dlang/gtkd-3 >
GDC uses a more private location to stash runtime and phobos modules specifically tied to the compiler. And though the postfix defaults to `d`, distributors can change this.
