GDCM uses pdfopt to optimize the PDF documentation, which has been removed from GhostScript 9.07 in favour of pdfwrite. See http://bugs.ghostscript.com/show_bug.cgi?id=694099 for details.
This makes GDCM fail to build on Ubuntu 13.04:
[ 94%] GDCM: Creating optimized pdf version of documentation
cd /build/buildd/gdcm-2.2.3/obj-i686-linux-gnu/Utilities/doxygen/latex && PDFOPT_EXECUTABLE-NOTFOUND /build/buildd/gdcm-2.2.3/obj-i686-linux-gnu/Utilities/doxygen/latex/refman.pdf /build/buildd/gdcm-2.2.3/obj-i686-linux-gnu/Utilities/doxygen/latex/gdcm-2.2.3.pdf
/bin/sh: 1: PDFOPT_EXECUTABLE-NOTFOUND: not found
[release f8c858a] ghoscript does not ship pdfopt anymore.
1 file changed, 21 insertions(+), 9 deletions(-)