Portability is a key feature of STLport. It allows for having single, thoroughly tested code base on all platforms used in the project.

STLport was reported to work with the compilers listed below.

Please follow links to see README files for particular compilers.

• SUN Workshop C++ Compilers 4.0.x-5.0, 5.1, 5.2 (Forte 6, 6u1, 6u2), for Solaris
• GNU GCC 2.7.2-2.95, 3.0 Compilers, for all GCC platforms
• IBM xlC 3.1.4.0, for AIX
• IBM OS/390 C/C++ 1.x - 2.x Compiler, for OS/390 (STLport is the only available and official ANSI library for this platform)
• IBM VisualAge/ILE C++ for AS/400 Version 4 Release 4, for AS/400
• IBM Visual Age C++ 3.x-5.x, for OS/2 and Win32
• HP ANSI C++ Compiler, for HP-UX
• SGI MIPSpro C++ 7.x, for IRIX
• SGI MIPSpro C++ 4.0, for IRIX
• DEC C++ V5.5-004, V6.x for OSF 3.2/4.0, for Digital Unix.
• Tandem NCC, for Tandem OS
• SCO UDK C++, for UnixWare
• Apogee C++ 4.0, for SUN Solaris
• KAI C++ 3.1-4.x, for all KAI platforms
• Portland Group C++ compiler ( pgCC), for all pgCC platforms
• Microsoft Visual C++ 4.x - 6.x, for Win32
• Microsoft Embedded Visual C++ 3.0
• Borland C++ 5.02-5.5, for Win16/32
• Metrowerks CodeWarrior Pro 1.8-5.3, for MacOS, Win32
• Intel (R) C++ 4.0/4.5/5.0 Reference Compiler, for Win32
• Watcom C++ 10.x-11.0, for DOS, Win16, Win32
• Powersoft's Power++ 2.0, for Win32
• Symantec C++ 7x/8.x, for MacOS and Win32
• Apple MPW MrCpp and SCpp compilers, for MacOS