Re: What does your personal GTK+ development system consist of?

["Simos Xenitellis" <simos lists googlemail com>]

On Tue, Mar 25, 2008 at 7:20 PM, Yevgen Muntyan <muntyan tamu edu> wrote:
> Simos Xenitellis wrote:
>  > BJörn Lindqvist wrote:
>  >
>  >> On Mon, Feb 25, 2008 at 9:01 PM, Simos Xenitellis
>  >> <simos lists googlemail com> wrote:
>  >>
>  >>
>  >>>  1. jhbuild build gtk+        (just 16 packages)
>  >>>  2. jhbuild shell           to get a shell with env variables properly set.
>  >>>  3. now run your test program that is based on gtk+; will use fresh
>  >>>  gtk+ library, the rest of the libraries come from the system
>  >>>  4. hack gtk+, then type "make install" to refresh your build with the
>  >>>  new changes (takes <15s on modern systems)
>  >>>  5. go to step 3.
>  >>>
>  >>>
>  >> Only FIFTEEN SECONDS?? That is amazingly quick. I thought I had a
>  >> reasonably fast computer, but just the install step after make is
>  >> successful takes 53 seconds. Most of that time is spent by libtool
>  >> relinking libraries and it seems (to me) improbable that it can be
>  >> done in less than 15 seconds.
>  >>
>  >>
>  > It depends what files you are working on. If you make changes on header
>  > files, then a whole lot of stuff will get recompiled (due to the
>  > dependencies), amounting to several minutes.
>  >
>  >
>
>  Here 'time make install' *after* make install says this:
>
>  real    1m56.868s
>  user    0m29.270s
>  sys     0m17.049s
>
>  And 'touch ../../gtk+/gtk/gtktextview.c && time make'
>  produces this:
>
>  real    1m17.363s
>  user    0m30.982s
>  sys     0m15.749s
>
>  Somehow libtool relinks every library on 'make install',
>  and relinks every library which depends on libgtk
>  on 'make' if libgtk was rebuilt.
>
>
>  > In my specific case however, just a single .c file had to be recompiled
>  > in every go, and linked with the rest of the object files to make libgtk+.
>
>
>  Are you sure you were talking about toplevel gtk directory,
>  not about 'make' inside gtk+/gtk? Because that says:
>
>  touch ../../../gtk+/gtk/gtktextview.c && time make
>  real    0m23.437s
>  user    0m10.881s
>  sys     0m3.368s
>
>  Disabling tests would make things faster, but only
>  inside gtk+/gtk, if you go up then you get modules
>  (many) relinked anyway.

The figures (~15s) are with compilation within the gtk/ subdirectory,
which is similar to what you show just above.
It would be good to have some tips on how to best disable the repeated
copying of translation files, header files, etc, when recompiling many
times.

Simos