- AIX4.3xlC Use IBM's xlC on AIX 4.3
- AIX4.3xlC_nothreads Use IBM's xlC on AIX 4.3 with no multithreading
- AIX4.3VA Use IBM's Visual Age xlC_r compiler on AIX 4.3
- ALPHA/LINUXGCC Use GCC on Alpha/Linux systems
- ALPHA/LINUXCCC Use Compaq C compiler on Alpha/Linux systems
- CygWin Use the GNU C++ compiler on CygWin
- FreeBSD Use the GNU C++ compiler on Free BSD
- HP-UX11CC Use HP's C++ compiler on HP-UX 11
- HP-UX11ACC Use the Advanced C++ compiler on HP-UX 11
- LinuxRedHat Use the GNU C++ compiler on Linux
- MacOSX Use the GNU C++ compiler on MacOS X (Darwin)
- QNX Use QNX's QCC compiler on QNX/Neutrino
- SOLARISCC Use Sun's CC compiler on Solaris
- SOLARISCC/W4.2 Use Sun's Workshop 4.2 CC compiler on Solaris
- SOLARISGCC Use the GNU C++ compiler on Solaris
- SOLARISX86 Use Sun's CC compiler on Solaris x86
- TRU64V5.1/CXX Use Compaq's cxx compiler on Tru64 (OSF)
- zOS Use IBM's cxx compiler on z/OS (os/390)
- zOSV1R2 Use IBM's cxx compiler for z/OS 1.2
- OS390V2R10 Use IBM's cxx compiler for OS/390 2.10
+ AIX Use the IBM Visual Age xlc_r/xlC_r compilers on AIX
+ AIX/GCC Use the GNU gcc/g++ compilers on AIX
+ Cygwin Use the GNU gcc/g++ compilers on Cygwin
+ Cygwin/MSVC Use the Microsoft Visual C++ compiler on Cygwin
+ Cygwin/MSVC2005 Use the Microsoft Visual C++ 2005 compiler on Cygwin
+ Cygwin/ICL Use the Intel C++ compiler on Cygwin
+ FreeBSD Use the clang/clang++ or GNU gcc/g++ compilers on FreeBSD
+ HP-UX/ACC Use the HP ANSI C/Advanced C++ compilers on HP-UX 11
+ IBMi Use the iCC compilers on IBM i, i5/OS, OS/400
+ Linux Use the clang/clang++ or GNU gcc/g++ compilers on Linux
+ Linux/gcc Use the GNU gcc/g++ compilers on Linux
+ Linux/ECC Use the Intel ECC compiler on Linux
+ Linux/ICC Use the Intel ICC compiler on Linux
+ Linux/VA Use the IBM Visual Age compiler on Power PC Linux
+ MacOSX Use the default compilers on MacOS X (Darwin)
+ MacOSX/GCC Use the GNU gcc/g++ compilers on MacOSX (Darwin)
+ MinGW Use the GNU gcc/g++ compilers on MinGW
+ MSYS/MSVC Use the Microsoft Visual C++ computer on MSYS
+ QNX Use the QNX QCC compiler on QNX/Neutrino
+ Solaris Use the Sun cc/CC compilers on Solaris
+ Solaris/GCC Use the GNU gcc/g++ compilers on Solaris
+ SolarisX86 Use the Sun cc/CC compilers on Solaris x86
+ TRU64V5.1/CXX Use the Compaq cxx compiler on Tru64 (OSF)
+ zOS Use the IBM cxx compiler on z/OS (os/390)
+ zOSV1R2 Use the IBM cxx compiler for z/OS 1.2