hi,<br>i had previously sucessfully built itk with wrap_itk on a fedora system.on trying to do the same on a ubuntu feisty fawn release,i get the following error:<br><br style="font-style: italic;"><span style="font-style: italic;">
[ 34%] wrap_vnl_matrix.xml from </span><br style="font-style: italic;"><span style="font-style: italic;">In file included from /home/hackman/stuff/insight/InsightToolkit-3.0.1/Utilities/vxl/vcl/iso/vcl_complex.h:6,</span>
<br style="font-style: italic;"><span style="font-style: italic;"> from /home/hackman/stuff/insight/InsightToolkit-3.0.1/Utilities/vxl/vcl/vcl_complex.h:62,</span><br style="font-style: italic;"><span style="font-style: italic;">
from /home/hackman/stuff/insight/InsightToolkit-3.0.1/Wrapping/CSwig/VXLNumerics/wrap_vnl_matrix.cxx:17:</span><br style="font-style: italic;"><span style="font-style: italic;">/usr/include/c++/4.1.2/complex: In function `__complex__ float
</span><br style="font-style: italic;"><span style="font-style: italic;"> std::__complex_log(__complex__ float)':</span><br style="font-style: italic;"><span style="font-style: italic;">/usr/include/c++/4.1.2/complex:754: error: `__builtin_clogf' undeclared (first
</span><br style="font-style: italic;"><span style="font-style: italic;"> use this function)</span><br style="font-style: italic;"><span style="font-style: italic;">/usr/include/c++/4.1.2/complex:754: error: (Each undeclared identifier is
</span><br style="font-style: italic;"><span style="font-style: italic;"> reported only once for each function it appears in.)</span><br style="font-style: italic;"><span style="font-style: italic;">/usr/include/c++/4.1.2/complex: In function `__complex__ double
</span><br style="font-style: italic;"><span style="font-style: italic;"> std::__complex_log(__complex__ double)':</span><br style="font-style: italic;"><span style="font-style: italic;">/usr/include/c++/4.1.2/complex:757: error: `__builtin_clog' undeclared (first
</span><br style="font-style: italic;"><span style="font-style: italic;"> use this function)</span><br style="font-style: italic;"><span style="font-style: italic;">/usr/include/c++/4.1.2/complex: In function `__complex__ long double
</span><br style="font-style: italic;"><span style="font-style: italic;"> std::__complex_log(__complex__ long double&)':</span><br style="font-style: italic;"><span style="font-style: italic;">/usr/include/c++/4.1.2/complex:761: error: `__builtin_clogl' undeclared (first
</span><br style="font-style: italic;"><span style="font-style: italic;"> use this function)</span><br style="font-style: italic;"><span style="font-style: italic;">make[2]: *** [Wrapping/CSwig/VXLNumerics/wrap_vnl_matrix.xml] Error 1
</span><br style="font-style: italic;"><span style="font-style: italic;">make[1]: *** [Wrapping/CSwig/VXLNumerics/CMakeFiles/_VXLNumericsPython.dir/all] Error 2</span><br style="font-style: italic;"><span style="font-style: italic;">
make: *** [all] Error 2</span><br style="font-style: italic;"><br>I am guessing that some headers are non-existent,Please guide me towards a solution.<br>