ImageMagick fails to build

[Pierre Abbat <phma%bezitopo.org@localhost>]

I'm doing a rolling-replace on DragonFly, using 2012Q4, and I get this:

===> Installing dependencies for dblatex-0.3.2nb2
==========================================================================
The following variables will affect the build process of this package,
dblatex-0.3.2nb2.  Their current value is shown below:

        * PYTHON_VERSION_DEFAULT = 27

Based on these variables, the following variables have been set:

        * PYPACKAGE = python27

You may want to abort the process now with CTRL-C and change their value
before continuing.  Be sure to run `/usr/pkg/bin/bmake clean' after
the changes.
==========================================================================
=> Full dependency ImageMagick-[0-9]*: NOT found
=> Verifying package-install for ../../graphics/ImageMagick
=> Bootstrap dependency digest>=20010302: found digest-20111104
===> Building for ImageMagick-6.7.9.10
/usr/pkg/bin/gmake  all-am
gmake[1]: Entering directory 
`/usr/obj/pkgsrc/graphics/ImageMagick/work/ImageMagick-6.7.9-10'
  CCLD     utilities/animate
  CCLD     utilities/compare
  CCLD     utilities/composite
/usr/obj/pkgsrc/graphics/ImageMagick/work/.buildlink/lib/libIlmImf.so: 
undefined reference to `__gnu_cxx::__exchange_and_add(int volatile*, int)'
gmake[1]: *** [utilities/animate] Error 1
gmake[1]: *** Waiting for unfinished jobs....
/usr/obj/pkgsrc/graphics/ImageMagick/work/.buildlink/lib/libIlmImf.so: 
undefined reference to `__gnu_cxx::__exchange_and_add(int volatile*, int)'
gmake[1]: 
/usr/obj/pkgsrc/graphics/ImageMagick/work/.buildlink/lib/libIlmImf.so: 
undefined reference to `__gnu_cxx::__exchange_and_add(int volatile*, int)'
*** [utilities/composite] Error 1
gmake[1]: *** [utilities/compare] Error 1
gmake[1]: Leaving directory 
`/usr/obj/pkgsrc/graphics/ImageMagick/work/ImageMagick-6.7.9-10'
gmake: *** [all] Error 2
*** Error code 2

Stop.
bmake: stopped in /usr/pkgsrc/graphics/ImageMagick
*** Error code 1

Stop.
bmake: stopped in /usr/pkgsrc/graphics/ImageMagick
*** Error code 1

Stop.
bmake: stopped in /usr/pkgsrc/textproc/dblatex
*** 'make replace' failed for package dblatex.
*** Please read the errors listed above, fix the problem,
*** then re-run pkg_rolling-replace to continue.
+ evolution
+ gdm
+ teTeX-bin
+ xfce4-session
+ xfce4-settings
+ xfce4-terminal
+ xfce4-thunar
+ xfce4-utils
+ xfce4-xarchiver
- dblatex

I'm not sure what needs dblatex, but I have a shell script that runs 
ImageMagick, so I need it directly if I take any pictures with my camera. 

Pierre
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