[Bug 163118] New: digikam-0.9.4_beta5 compilation hangs with gcc 4.3

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           Summary: digikam-0.9.4_beta5 compilation hangs with gcc 4.3
           Product: digikam
           Version: unspecified
          Platform: Gentoo Packages
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: digikam-devel kde org
        ReportedBy: deathwing00 gentoo org


Version:            (using KDE 3.5.9)
Installed from:    Gentoo Packages
Compiler:          gcc-4.3.0 glibc-2.7-r2, kernel 2.6.25-gentoo-r4 x86_64
OS:                Linux

Downstream: https://bugs.gentoo.org/show_bug.cgi?id=224611

User reports that the current digikam version compiles with gcc 4.2.4 but hangs at the following point with gcc 4.3.0. Patch requested.

CHOST="x86_64-pc-linux-gnu"
CFLAGS="-march=native -O2 -fomit-frame-pointer -pipe"
LDFLAGS="-Wl,--as-needed"

Actual Results:
Compilation gets to the following point and hangs with ~100% cpu usage on one
core:
==========================================================
/usr/qt/3/bin/moc ./greycstorationwidget.h -o greycstorationwidget.moc
creating libgreycstoration_la.all_cpp.cpp ...
/bin/sh ../../../libtool --silent --tag=CXX   --mode=compile
x86_64-pc-linux-gnu-g++ -DHAVE_CONFIG_H -I. -I../../..
-I../../../digikam/libs/dimg -I../../../digikam/libs/dimg/filters
-I../../../digikam/digikam  -I/usr/kde/3.5/include -I/usr/qt/3/include -I.
-I/usr/kde/3.5/include  -DQT_THREAD_SUPPORT  -D_REENTRANT  -Wno-long-long
-Wundef -ansi -D_XOPEN_SOURCE=500 -D_BSD_SOURCE -Wcast-align -Wchar-subscripts
-Wall -W -Wpointer-arith -DNDEBUG -DNO_DEBUG -O2 -march=native -O2
-fomit-frame-pointer -pipe -Wformat-security -Wmissing-format-attribute
-Wno-non-virtual-dtor -fno-exceptions -fno-check-new -fno-common
-DQT_CLEAN_NAMESPACE -DQT_NO_ASCII_CAST -DQT_NO_STL -DQT_NO_COMPAT
-DQT_NO_TRANSLATION -DQT_CLEAN_NAMESPACE -fexceptions -w  -c -o
libgreycstoration_la.all_cpp.lo libgreycstoration_la.all_cpp.cpp
==========================================================
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[Gilles Caulier-4]

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------- Additional Comments From caulier.gilles gmail com  2008-06-03 09:55 -------
This problem have been already reported here. It's fully relevant of CImg.h file taken from CImg library verion 1.2.8 which do not compile fine under GCC 4.3

Please report this problem into CImg bugzilla.

http://cimg.sourceforge.net/

Thanks in advance.

Gilles Caulier
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------- Additional Comments From deathwing00 gentoo org  2008-06-03 10:03 -------
Reported: http://sourceforge.net/forum/message.php?msg_id=5004166
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[Gilles Caulier-4]

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           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|general                     |Portability
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------- Additional Comments From andi.clemens gmx net  2008-06-03 13:07 -------
Deathwing00,

to compile it anyway, set full debugging in configure like this:

./configure --prefix=<path_to_KDE> --enable-debug=full

No optimizations will be made and it should work fine. This is just a temporary solution, but it will work.
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[Rex Dieter]

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rdieter math unl edu changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |rdieter math unl edu



------- Additional Comments From rdieter math unl edu  2008-06-03 14:13 -------
fwiw, beta5 built fine here on fedora (f10/rawhide) using gcc-4.3.
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------- Additional Comments From deathwing00 gentoo org  2008-06-04 08:23 -------
Seems to fail to compile with -O3 and -O2, but it does work with -O1.
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------- Additional Comments From andi.clemens gmx net  2008-06-04 09:02 -------
I'm not sure if it really hangs or if it just takes too long, I once was able to compile beta5 with standard settings (-O3) and it took only 1 minute (not the whole application :-) only the greycstoration part).
So nobody actually seems to know what is going wrong here, some distributions with gcc-4.3 compile fine, others don't.
Another possibility is to go into the specific folder (libs/greycstoration) and call make from in there without optimizations. Then go back to the digikam root folder and compile the rest with the optimizations you like to have set. This way it should compile fine, too.
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------- Additional Comments From caulier.gilles gmail com  2008-06-04 10:09 -------
SVN commit 816533 by cgilles:

disable final options to compile CImg.h version 1.2.8.
This is a temporally solution util a fix is apply to CImg
CCBUGS: 163118


 M  +5 -0      Makefile.am  


WebSVN link: http://websvn.kde.org/?view=rev&revision=816533
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[Mark Purcell]

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------- Additional Comments From msp debian org  2008-06-06 12:17 -------
On some arch's it fails and other it succeeds:
http://experimental.debian.net/build.php?pkg=digikam
2:0.9.4~beta5-1 (amd64) (latest build at May 31 01:57: maybe-successful)
2:0.9.4~beta5-1 (i386) (latest build at May 31 02:07: maybe-successful)
2:0.9.4~beta5-1 (alpha) (latest build at May 31 03:27: maybe-successful)
2:0.9.4~beta5-1 (ia64) (latest build at May 31 04:10: maybe-failed)
2:0.9.4~beta5-1 (s390) (latest build at May 31 04:14: maybe-failed)
2:0.9.4~beta5-1 (sparc) (latest build at May 31 05:07: maybe-failed)
2:0.9.4~beta5-1 (hppa) (latest build at May 31 20:40: maybe-failed)
2:0.9.4~beta5-1 (mipsel) (latest build at Jun 2 07:57: maybe-failed)

With gcc-4.2 it builds fine, I presume with the patch they will build fine too.
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[Ryan Hill]

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------- Additional Comments From dirtyepic gentoo org  2008-06-07 16:46 -------
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36439
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[Jure Repinc]

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jlp holodeck1 com changed:

           What    |Removed                     |Added
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------- Additional Comments From caulier.gilles gmail com  2008-06-15 19:26 -------
Andi,

Talking with MAndriva team today, it sound like to use this directive :

export CXXFLAGS="%optflags -fno-tree-pre

...before to compile fix the problem with gcc 4.3.x. Can you confirm this ?

Gilles Caulier
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------- Additional Comments From caulier.gilles gmail com  2008-06-15 19:31 -------
SVN commit 820890 by cgilles:

try to fix broken compilation with GCC 4.3.x
CCBUGS: 163118


 M  +3 -5      Makefile.am  


WebSVN link: http://websvn.kde.org/?view=rev&revision=820890
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------- Additional Comments From andi.clemens gmx net  2008-06-15 19:45 -------
Hi,

I went into digikam/libs/greycstoration, running "make clean". Then I started "make -f Makefile.cvs && ./configure --prefix=/opt/kde --enable-final" to generate the new makefiles.
After that I went back to digikam/libs/greycstoration and "make" took 20 seconds... so it seems to work for me.
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------- Additional Comments From caulier.gilles gmail com  2008-06-16 12:22 -------
Thanks Andy. I can close this file now.

Gilles
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           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |FIXED



------- Additional Comments From caulier.gilles gmail com  2008-06-16 12:24 -------
SVN commit 821084 by cgilles:

updtae
BUG: 163118


 M  +1 -1      NEWS  


WebSVN link: http://websvn.kde.org/?view=rev&revision=821084
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------- Additional Comments From andi.clemens gmx net  2008-06-16 12:29 -------
Yesterday a new version of gcc arrived in Archlinux (gcc-4.3.1), but this seems to compile well, too. So I think it is ok to close it...
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