[vtkusers] Solaris issues (gcc)

[Attila Nagy]

Hi all,

I found the bellow issue with Solaris, gcc, and VTK-5-4 (I'm building Slicer).
The missing symbols _are_ defined in /usr/include/complex.h, and the file _is_ included in proj_ftmerc.c... 
Has anyone seen this before?
Thanks,

Attila

[...snip...]
/ufsbckp/head-64-slicer/64-gcc/Slicer3-lib/VTK/Utilities/vtklibproj4/proj_ftmerc.c: In function `e_forward':
/ufsbckp/head-64-slicer/64-gcc/Slicer3-lib/VTK/Utilities/vtklibproj4/proj_ftmerc.c:116: error: `_Imaginary_I' undeclared (first use in this function)
/ufsbckp/head-64-slicer/64-gcc/Slicer3-lib/VTK/Utilities/vtklibproj4/proj_ftmerc.c:116: error: (Each undeclared identifier is reported only once
/ufsbckp/head-64-slicer/64-gcc/Slicer3-lib/VTK/Utilities/vtklibproj4/proj_ftmerc.c:116: error: for each function it appears in.)
/ufsbckp/head-64-slicer/64-gcc/Slicer3-lib/VTK/Utilities/vtklibproj4/proj_ftmerc.c: In function `e_inverse':
/ufsbckp/head-64-slicer/64-gcc/Slicer3-lib/VTK/Utilities/vtklibproj4/proj_ftmerc.c:128: error: `_Imaginary_I' undeclared (first use in this function)
gmake[2]: *** [Utilities/vtklibproj4/CMakeFiles/vtkproj4.dir/proj_ftmerc.o] Error 1
gmake[2]: Leaving directory `/ufsbckp/head-64-slicer/64-gcc/Slicer3-lib/VTK-build'
gmake[1]: *** [Utilities/vtklibproj4/CMakeFiles/vtkproj4.dir/all] Error 2