castxml or gccxml?

Debian Package castxml is not available in Debian stable so it’s wiser to stick to gccxml until Liberty Eiffel bell is released.

• stretch (testing) (devel): C-family abstract syntax tree XML output tool
  0.1+git20150807-1+b1: amd64
  0.1+git20150807-1: arm64 armel armhf i386 mips mipsel powerpc ppc64el s390x
• sid (unstable) (devel): C-family abstract syntax tree XML output tool
  0.1+git20160202-1.1: amd64 arm64 armel armhf i386 kfreebsd-amd64 kfreebsd-i386 mipsel ppc64el
  0.1+git20150807-1 [debports]: hurd-i386 mips powerpc s390x sparc64