 ADT/PDT v1 contains Carbide.c++ v2.0.4 
ADT/PDT v2 (Q4 2009) is targeted to contain Carbide.c++ v2.2

Carbide.c++ is based on the latest versions of Eclipse IDE and Eclipse CDT extended with Symbian OS -specific features.Currently it supports the WINSCW x86 C++ compiler found in CodeWarrior for production of emulator binaries.For target binaries it supports GCC, and ARM RVCT compilers (sold separately).