# CMAKE_<LANG>_COMPILER_ID

Compiler identification string.

A short string unique to the compiler vendor. Possible values include:

    Absoft = Absoft Fortran (absoft.com)
    ADSP = Analog VisualDSP++ (analog.com)
    AppleClang = Apple Clang (apple.com)
    ARMCC = ARM Compiler (arm.com)
    ARMClang = ARM Compiler based on Clang (arm.com)
    Bruce = Bruce C Compiler
    CCur = Concurrent Fortran (ccur.com)
    Clang = LLVM Clang (clang.llvm.org)
    Cray = Cray Compiler (cray.com)
    Embarcadero, Borland = Embarcadero (embarcadero.com)
    Flang = Flang LLVM Fortran Compiler
    Fujitsu = Fujitsu HPC compiler (Trad mode)
    FujitsuClang = Fujitsu HPC compiler (Clang mode)
    G95 = G95 Fortran (g95.org)
    GNU = GNU Compiler Collection (gcc.gnu.org)
    GHS = Green Hills Software (www.ghs.com)
    HP = Hewlett-Packard Compiler (hp.com)
    IAR = IAR Systems (iar.com)
    Intel = Intel Compiler (intel.com)
    IntelLLVM = Intel LLVM-Based Compiler (intel.com)
    LCC = MCST Elbrus C/C++/Fortran Compiler (mcst.ru)
    MSVC = Microsoft Visual Studio (microsoft.com)
    NVHPC = NVIDIA HPC SDK Compiler (nvidia.com)
    NVIDIA = NVIDIA CUDA Compiler (nvidia.com)
    OpenWatcom = Open Watcom (openwatcom.org)
    PGI = The Portland Group (pgroup.com)
    PathScale = PathScale (pathscale.com)
    SDCC = Small Device C Compiler (sdcc.sourceforge.net)
    SunPro = Oracle Solaris Studio (oracle.com)
    TI = Texas Instruments (ti.com)
    TinyCC = Tiny C Compiler (tinycc.org)
    XL, VisualAge, zOS = IBM XL (ibm.com)
    XLClang = IBM Clang-based XL (ibm.com)
    IBMClang = IBM LLVM-based Compiler (ibm.com)

This variable is not guaranteed to be defined for all compilers or languages.