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sebaro
Veteran
Joined: 03 Jul 2006
Posts: 1141
Location: Romania
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 Posted: Sat Oct 04, 2008 8:44 am Post subject: qt4/kde4 compile times |
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Hi
I want to ask you about qt/kde4 compile times compared to qt/kde3, especially kdelibs4 vs kdelibs3.
And, qt3support flag means that after I emerge qt4 I don't need qt3 anymore?
Thanks! |
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Nephilim666
Tux's lil' helper
Joined: 07 Jul 2007
Posts: 148
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| Posted: Sat Oct 04, 2008 10:40 am Post subject: |
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| Code: | Mon Sep 15 17:25:37 2008 >>> kde-base/kdelibs-3.5.10
merge time: 31 minutes and 23 seconds.
Mon Sep 22 13:36:50 2008 >>> kde-base/kdelibs-4.1.67
merge time: 19 minutes and 5 seconds.
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| Code: | Sun Jul 27 00:46:11 2008 >>> x11-libs/qt-3.3.8b
merge time: 8 minutes and 1 second.
Sun Jul 27 01:00:43 2008 >>> x11-libs/qt-3.3.8-r4
merge time: 7 minutes and 14 seconds.
Sun Jul 27 16:03:20 2008 >>> x11-libs/qt-3.3.8b
merge time: 7 minutes and 29 seconds.
Mon Aug 18 00:47:39 2008 >>> x11-libs/qt-4.4.1
merge time: 16 seconds.
Thu Sep 4 22:58:44 2008 >>> x11-libs/qt-4.4.1-r1
merge time: 33 seconds.
Fri Sep 19 15:03:09 2008 >>> x11-libs/qt-4.4.2
merge time: 11 seconds. |
That is on an AMD X2-5600+ with 2 gigs. |
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Nephilim666
Tux's lil' helper
Joined: 07 Jul 2007
Posts: 148
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| Posted: Sat Oct 04, 2008 10:43 am Post subject: Re: qt4/kde4 compile times |
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| sebaro wrote: |
And, qt3support flag means that after I emerge qt4 I don't need qt3 anymore? |
No, I don't think so. I only have KDE-4 installed and portage still pulled parts of KDE-3.5 including QT-3. |
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Boccaccio
Apprentice
Joined: 19 Jul 2005
Posts: 286
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| Posted: Sat Oct 04, 2008 10:46 am Post subject: |
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| One should note that the qt4-ebuilds are split, so you cannot compare qt-4.4.1's 16 second to qt-3.3.8b's 8 minutes. |
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Nephilim666
Tux's lil' helper
Joined: 07 Jul 2007
Posts: 148
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| Posted: Sat Oct 04, 2008 10:47 am Post subject: |
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| Boccaccio wrote: | | One should note that the qt4-ebuilds are split, so you cannot compare qt-4.4.1's 16 second to qt-3.3.8b's 8 minutes. |
++ |
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tbscope
n00b
Joined: 29 Mar 2004
Posts: 45
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| Posted: Sat Oct 04, 2008 12:28 pm Post subject: Re: qt4/kde4 compile times |
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| sebaro wrote: |
And, qt3support flag means that after I emerge qt4 I don't need qt3 anymore? |
No, programs making use of Qt3 still need Qt3.
The Qt3Support module is for programmers to help them converting to Qt4. Instead of spending time converting to Qt4, they can use a tool that lets the program make use of Qt3Support and then take the time to properly convert everything. In short: Qt3Support is actually Qt4 so it won't work with real Qt3 programs.
It sounds complexer than it really is. |
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sebaro
Veteran
Joined: 03 Jul 2006
Posts: 1141
Location: Romania
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| Posted: Sun Oct 05, 2008 6:37 am Post subject: |
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thanks! 
how about qt4 'glib' flag (glib eventloop)
should I use it? |
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asturm
Developer
Joined: 05 Apr 2007
Posts: 8938
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| Posted: Sun Oct 05, 2008 8:23 am Post subject: |
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| Code: | * kde-base/kdelibs-4.1.68
Emerged at: Do Okt 2 10:09:39 2008
Build time: 1 hour, 4 minutes, and 28 seconds
* kde-base/kdelibs-3.5.10
Emerged at: Mo Sep 15 19:05:04 2008
Build time: 38 minutes, and 55 seconds |
Hmm interesting. Compile times seem to be bad, having an X2 5200+ and 4 GB RAM...
@Nephilim666: x86 or amd64? |
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tbscope
n00b
Joined: 29 Mar 2004
Posts: 45
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| Posted: Sun Oct 05, 2008 9:20 am Post subject: |
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| sebaro wrote: | thanks!
how about qt4 'glib' flag (glib eventloop)
should I use it? |
If you plan to use GNOME libraries too then it would be very interesting to use it.
I'm not sure if the Phonon GStreamer backend requires it or not.
Maybe the new GtkStyle needs it too, not sure.
If you want the GStreamer backend for example and disable the GLib event loop, check if configure wants to compile the GStreamer backend. If not, enable the GLib event loop |
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Nephilim666
Tux's lil' helper
Joined: 07 Jul 2007
Posts: 148
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| Posted: Tue Oct 07, 2008 4:49 pm Post subject: |
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| genstorm wrote: |
@Nephilim666: x86 or amd64? |
amd64 |
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