On Thursday, 27 November 2014 at 17:08:00 UTC, CraigDillabaugh
wrote:
On Thursday, 27 November 2014 at 14:14:50 UTC, Chris wrote:
On Thursday, 27 November 2014 at 13:59:23 UTC, CraigDillabaugh
wrote:
On Thursday, 27 November 2014 at 13:56:19 UTC, Chris wrote:
On Thursday, 27 November 2014 at 12:29:03 UTC, Gary
Willoughby wrote:
On Thursday, 27 November 2014 at 09:33:49 UTC, Chris wrote:
I usually use dub to create and build projects. I built
one of the projects with dub and then by hand with dmd[1]
passing all the files etc. Turned out that the executable
built with dub was 1.4 MB whereas the one built by hand
was only 807 kB. Why is that?
dub compiles and links every file in the source folder
whether it's used or not. Whereas with dmd or rdmd you only
compile and link the files you actually use.
I compiled the exact same files. I excluded those I didn't
need in the dub configuration like so:
"excludedSourceFiles": [...]
But dub's executable is bigger.
When you build with dub it should print out (if I remember
correctly, its been a little while) the command it uses to
build your code. Is there any difference between that
command and your 'by hand' version?
dub says:
Compiling using dmd...
Linking...
I have the exact same setting, I think. I don't build for
release with either method.
dmd file1.d file2.d file3.d ...
(dub compiles the same files, no release build)
I am sure there is some way to get it to print out exactly what
it is doing. I've done it before when trying to figure out some
compilation issues ... unfortunately it was a while ago and the
machine I am at now doesn't have dub (or D for that matter)
installed.
Maybe you need to give the the dub -v (--verbose) option. Type
'dub help' to check - again I can't do that right here.
Nope, --verbose doesn't tell me anything useful in this regard.
Only stuff like
Refreshing local packages (refresh existing: true)...
Looking for local package map at
/var/lib/dub/packages/local-packages.json
...
I added a lot to the project yesterday, and still, the "pure"
dmd-compiled version is 1.9 MB whereas the dub-compiled version
is 3.5 MB. There is absolutely nothing in dub.json that links to
anything else.
Now, I've just created an empty test project with
$ dub init size
The executable is 940.5 kB
Then
$ dmd source/app.d -ofother
The executable is 548.0 kB
Try it yourself.
