On IA-64 HP-UX, we recommend at least the following patch levels of the HP C and C++ compilers:
cc: HP aC++/ANSI C B3910B A.05.41 [Nov 1 2002] aCC: HP aC++/ANSI C B3910B A.05.50 [May 15 2003]
On HP PA-RISC HP-UX, we recommend at least the following patch levels of the HP C and C++ compilers:
cpp.ansi: HP92453-01 B.11.11.06 HP C Preprocessor (ANSI) ccom: HP92453-01 B.11.11.28706.GP HP C Compiler /usr/ccs/bin/ld: 92453-07 linker linker ld B.11.37 030909 aCC: HP ANSI C++ B3910B A.03.45
On MIPS IRIX, MIPSPro C/C++ v7.41 or later is recommended.
On IBM AIX, Visual Age C/C++ (xlC) version 6.1 or later is recommended.
On HP/Compaq Tru64 v5.1 (Rev. 732), we currently use Compaq C V6.4-215 (dtk) and Compaq C++ V6.5-014.