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musv
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Joined: 01 Dec 2002
Posts: 3364
Location: de
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 Posted: Mon Oct 16, 2017 1:17 pm Post subject: Building pdftk without gcj? |
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Hi there,
regarding to the topics Remove old gcc versions and pdftk gcc6 gjar I stumbled into the same problem. I removed gcc-5.4.0, because everything built fine with gcc-6.4.0.
Now pdfk is the only package, which needs gcj and therefore gcc-5.4.0.
Is there a way to build pdfk somehow else, e.g. with javac of openjdk? |
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fedeliallalinea
Administrator
Joined: 08 Mar 2003
Posts: 31269
Location: here
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| Posted: Mon Oct 16, 2017 1:58 pm Post subject: Re: Building pdftk without gcj? |
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| musv wrote: | | Is there a way to build pdfk somehow else, e.g. with javac of openjdk? |
Probably yes but you should change Makefile (here an old incomplete example)
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musv
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Joined: 01 Dec 2002
Posts: 3364
Location: de
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| Posted: Mon Oct 16, 2017 4:27 pm Post subject: |
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The last version ist from 2013. I dropped it and replaced it with qpdf.
Unfortunately Impressive has pdftk as a mandatory dependency. But in the next time I don't have the need of any presentations. So I dropped this tool too. |
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dilfridge
Developer
Joined: 18 Sep 2010
Posts: 120
Location: Regensburg, Germany
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| Posted: Mon Oct 16, 2017 9:01 pm Post subject: Re: Building pdftk without gcj? |
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| musv wrote: | Hi there,
regarding to the topics Remove old gcc versions and pdftk gcc6 gjar I stumbled into the same problem. I removed gcc-5.4.0, because everything built fine with gcc-6.4.0.
Now pdfk is the only package, which needs gcj and therefore gcc-5.4.0.
Is there a way to build pdfk somehow else, e.g. with javac of openjdk? |
Nope. Many people have tried, unsuccessfully. |
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monsieurp
Retired Dev
Joined: 22 Apr 2015
Posts: 4
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| Posted: Tue Nov 21, 2017 9:20 am Post subject: |
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Please have a look at https://bugs.gentoo.org/562568 to find out what we intend to do with pdftk. There's really nothing we can do at the moment. As James writes in the bug report, upstream promised to deliver a gcj-free version 2 years ago and haven't delivered yet. Unless this happens or someone decides to rewrite pdftk in pure Java (i.e. using the JDK), we will most likely mask and punt this package from Portage at some point.  |
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nmel
n00b
Joined: 12 Mar 2017
Posts: 34
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| Posted: Mon Jan 01, 2018 11:12 pm Post subject: |
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| I'm curious if it possible to build pdftk statically. In this case we can compile once and then remove gcc-5. |
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dmpogo
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Joined: 02 Sep 2004
Posts: 3425
Location: Canada
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| Posted: Tue Jan 02, 2018 6:25 am Post subject: |
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| musv wrote: | The last version ist from 2013. I dropped it and replaced it with qpdf.
Unfortunately Impressive has pdftk as a mandatory dependency. But in the next time I don't have the need of any presentations. So I dropped this tool too. |
Well, if you look at the timestamp of qpdf tarball, it is Jan 14, 2014, barely out of 2013 either  Actually oldest tarball on my installation is from 2001, so what ? As long as the code works, its age is irrelevant. In my work I run my some of my own codes from 1987. |
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kite14
Apprentice
Joined: 07 Nov 2006
Posts: 216
Location: Italy
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| Posted: Tue Jan 02, 2018 9:06 am Post subject: |
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| musv wrote: | | Unfortunately Impressive has pdftk as a mandatory dependency. But in the next time I don't have the need of any presentations. So I dropped this tool too. |
Reading the manual of Impressive, looks like pdftk is just a recommended package, used to fetch PDF metadata; it becomes mandatory only if muPDF is not available (in my systems mupdf is pulled in as a dependency of nel-print/cups-filters with pdf USE flag enabled)
I've tried to install it, and portage doesn't complain about pdftk being masked:
| Code: | ~ $ emerge -pv impressive
These are the packages that would be merged, in order:
Calculating dependencies... done!
[ebuild N ] media-libs/sdl-mixer-1.2.12-r4::gentoo USE="flac mad mp3 vorbis wav -fluidsynth -midi -mikmod -mod -modplug -playtools -smpeg -static-libs -timidity" ABI_X86="(64) -32 (-x32)" 3621 KiB
[ebuild N ] media-libs/sdl-ttf-2.0.11-r1::gentoo USE="X -static-libs" ABI_X86="(64) -32 (-x32)" 3959 KiB
[ebuild N ] x11-apps/xrandr-1.5.0::gentoo 179 KiB
[ebuild N ] media-libs/smpeg-0.4.4-r10::gentoo USE="X opengl -debug -static-libs" ABI_X86="(64) -32 (-x32)" CPU_FLAGS_X86="(-mmx)" 312 KiB
[ebuild N ] dev-python/pygame-1.9.2_pre20120101-r2::gentoo USE="X -doc -examples {-test}" PYTHON_TARGETS="python2_7 python3_5 -python3_4" 2210 KiB
[ebuild N ~] app-office/impressive-0.11.2::gentoo PYTHON_TARGETS="python2_7" 194 KiB
Total: 6 packages (6 new), Size of downloads: 10473 KiB
The following keyword changes are necessary to proceed:
(see "package.accept_keywords" in the portage(5) man page for more details)
# required by impressive (argument)
=app-office/impressive-0.11.2 ~amd64 |
So, as far as I can tell, no need to drop this tool  |
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Massimo B.
Veteran
Joined: 09 Feb 2005
Posts: 1810
Location: PB, Germany
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| Posted: Thu Jan 04, 2018 1:47 pm Post subject: |
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I ran into this and the currently last comment on the bugreport, is that it really seems dead.
Too bad, pdftk always was a central important tool for me. I used it to split and merge PDFs, this could be replaced by pdfseparate from poppler.
Additionally I created a script pdfshrink [1] that uses pdftk, qpdf and gs in multiple steps for compression as I noticed that the compression results are very different between those 3. Most efficient compression however was gs with -dPDFSETTINGS ebook. Take care, some but very rare pdfs get broken by that script. But mosty PDFs are compressed to 50% and better, lossy but good enough to read.
[1] https://bitbucket.org/massimo/tools/src/
I tried building pdftk, it pulled gcc-5.4.0-r4 which I unmasked but that failed with | Code: | | error: invalid use of incomplete type ‘struct _Jv_catch_fpe(int, siginfo_t*, void*)::ucontext |
Is there any way to get a gcc usable for pdftk compiled? Is there any chance to add at least some pdftk-bin?
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proteusx
Guru
Joined: 21 Jan 2008
Posts: 340
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| Posted: Thu Jan 04, 2018 2:36 pm Post subject: |
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Massimo
Has your gcc-5.4.0 set +gcj?
pdftk, for me too, is an absolutely necessary tool.
I care not if it is dead or alive as long as it works and it does what I want.
Here is what I did to migrate to profile 17
and keep pdftk. |
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R0b0t1
Apprentice
Joined: 05 Jun 2008
Posts: 264
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| Posted: Fri Jan 05, 2018 5:33 am Post subject: |
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| Massimo B. wrote: | I tried building pdftk, it pulled gcc-5.4.0-r4 which I unmasked but that failed with | Code: | | error: invalid use of incomplete type ‘struct _Jv_catch_fpe(int, siginfo_t*, void*)::ucontext |
Is there any way to get a gcc usable for pdftk compiled? Is there any chance to add at least some pdftk-bin? |
It looks like this is related to a change in linux-unwind.h, where struct ucontext was changed to ucontext_t so as to comply with POSIX naming conventions. It seems like the error is nonexistent with GCC 7.2; the fix was added in commit 14c2f22a1877f6b60a2f7c2f83ffb032759456a6 to GCC 7.1.
I'm having some other issues with the gcc-5.4.0-r4 ebuild (xattr on tmpfs?), but I may be able to get it working tomorrow. If you do get very stuck there are some people interested in keeping GCJ usable, even if you have to compile an old version of GCC. You may want to check their mailing list. |
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marcv
n00b
Joined: 25 Feb 2006
Posts: 16
Location: Catalonia
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Fitzcarraldo
Advocate
Joined: 30 Aug 2008
Posts: 2053
Location: United Kingdom
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| Posted: Thu Feb 22, 2018 8:34 am Post subject: |
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Nice one, marcv. I've taken the liberty of mentioning your re-write in the Gentoo bug report mentioned earlier in this thread.
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Joseph_sys
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Joined: 08 Jun 2004
Posts: 2712
Location: Edmonton, AB
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| Posted: Thu Mar 15, 2018 5:39 pm Post subject: |
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I've install "pdftk-9999" and it is working as it should, thanks.
gcc-5.4.0 is gone as well. |
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Melf
n00b
Joined: 18 Oct 2006
Posts: 44
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| Posted: Fri Mar 30, 2018 10:30 am Post subject: |
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| Awesome, the pdftk-9999.ebuild works for me as well. Thank you! |
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