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Author Topic: My Attempts To Build Qt4  (Read 14796 times)

adf

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« Reply #15 on: July 19, 2007, 04:56:03 pm »
[yeah..updating the libs (and hopefully passing them back into pdaxii13) might be agood idea.
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ernestus

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« Reply #16 on: July 20, 2007, 08:05:25 pm »
It looks like the kernel guys would like to have a newer compiler as well, so I am here, well after midnight building a toolchain
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ScottYelich

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« Reply #17 on: July 21, 2007, 01:12:22 pm »
I'm waiting anxiously -- I haven't upgraded my my zauruses in about 2 years now.
Having Qt4 available would be the trigger for me to upgrade.

Scott
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Civil

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« Reply #18 on: July 22, 2007, 08:01:51 pm »
By the way, I've managed to compile qt-4.3.0 on my zaurus's gentoo (glibc 2.5, gcc-4.1.2, eabi).
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kkazakov13

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« Reply #19 on: July 23, 2007, 02:31:42 am »
Quote
By the way, I've managed to compile qt-4.3.0 on my zaurus's gentoo (glibc 2.5, gcc-4.1.2, eabi).
[div align=\"right\"][a href=\"index.php?act=findpost&pid=165260\"][{POST_SNAPBACK}][/a][/div]

And ... ? We all know it compiles everywhere else , except pdaxrom
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ernestus

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« Reply #20 on: July 23, 2007, 04:40:05 am »
Quote
Quote
By the way, I've managed to compile qt-4.3.0 on my zaurus's gentoo (glibc 2.5, gcc-4.1.2, eabi).
[div align=\"right\"][a href=\"index.php?act=findpost&pid=165260\"][{POST_SNAPBACK}][/a][/div]

And ... ? We all know it compiles everywhere else , except pdaxrom
[div align=\"right\"][a href=\"index.php?act=findpost&pid=165272\"][{POST_SNAPBACK}][/a][/div]

Not for too long, I hope
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ernestus

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« Reply #21 on: July 23, 2007, 05:21:02 am »
Some problems compiling glibc
=========================

Well, I managed to compile:
1 - The last binutils,
2 - The last GCC (4.2.1, released just 4 days ago, without glibc support)

so the two other steps needed to have the complete toolchain are:

3- Compiling glibc (this is the problematic point read more)
4- Compiling GCC 4.2.1 again with glibc support (to be honest, once point 2 has succeeded, I don't expect problems here)

The amazing case of the problematic point 3
----------------------------------------------------------------

Well, when the build of glibc failed I thought it was related to GCC 4.2.1, many times, the latest compiler is not able to compile glibc, so I tried to build it with the 3.4.6 tool chain available somewhere in the forum, with the same result.

I am quite sure the problem is related to the  unexistence of glibc-linuxthreads-2.6, does anyone know what happened to it, I cannot find it anywhere? I am tempted to use the one for glibc 2.5 instead (will try this evening), but I am reluctant to do so, because of the possible stability issues (may trigger very difficult to find bugs, thread related issues are very hairy matters)

I may go back to glibc 2.5 (but, this is not the COOLEST, LATEST and GREATEST release)

Choosing the target
----------------------------

Another question, I've built the compiler with options for softfloat and xscale, there is another very interesting one iwmmx:
- does anyone know what is the difference of compiling for a iwmmx target insead of a xscale one? both are exclusive, OR you compile for a xcale target OR you compile for a iwmmx target, not both. My guess is that choosing the iwmmx target may produce code able to run in iwmmx enabled PXA's but not in others, but I may be wrong.
- how can it render the compiler incompatible with older pxa devices?

Any hint is appreciated.

thanks all
E
« Last Edit: July 23, 2007, 05:38:04 am by ernestus »
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Civil

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« Reply #22 on: July 23, 2007, 10:34:31 am »
Quote
I am quite sure the problem is related to the unexistence of glibc-linuxthreads-2.6
Linuxthreads was removed. Use NPTL instead of it.

Quote
Another question, I've built the compiler with options for softfloat and xscale, there is another very interesting one iwmmx:
- does anyone know what is the difference of compiling for a iwmmx target insead of a xscale one? both are exclusive, OR you compile for a xcale target OR you compile for a iwmmx target, not both. My guess is that choosing the iwmmx target may produce code able to run in iwmmx enabled PXA's but not in others, but I may be wrong.
- how can it render the compiler incompatible with older pxa devices?
armv5te compiler can generate code with march=iwmmxt, march=xscale and march=armv5te.
« Last Edit: July 23, 2007, 10:36:05 am by Civil »
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ernestus

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« Reply #23 on: July 23, 2007, 10:39:53 am »
Quote
Quote
I am quite sure the problem is related to the unexistence of glibc-linuxthreads-2.6
Linuxthreads was removed. Use NPTL instead of it.
[div align=\"right\"][a href=\"index.php?act=findpost&pid=165283\"][{POST_SNAPBACK}][/a][/div]

Yes, I do, but the compilation then fails because of undeclared symbols that I think are related to linuxthreads. Maybe I need a header or something like that.

I will post the precise error tonight.
« Last Edit: July 23, 2007, 10:41:34 am by ernestus »
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speculatrix

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« Reply #24 on: May 06, 2008, 05:55:05 pm »
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