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b96ca728f1
Create a `CMAKE_<LANG>_COMPILER_VERSION_INTERNAL` variable to hold a secondary/internal compiler version number detected at the same time as the primary compiler version. This will be useful for some compilers where we need such a number to determine correct usage. Inspired-by: Stefan Andersson <tfosm@hotmail.com> Suggested-by: Norbert Lange <norbert.lange@andritz.com> Issue: #17264
74 lines
1.9 KiB
C++
74 lines
1.9 KiB
C++
/* This source file must have a .cpp extension so that all C++ compilers
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recognize the extension without flags. Borland does not know .cxx for
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example. */
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#ifndef __cplusplus
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# error "A C compiler has been selected for C++."
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#endif
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@CMAKE_CXX_COMPILER_ID_CONTENT@
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/* Construct the string literal in pieces to prevent the source from
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getting matched. Store it in a pointer rather than an array
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because some compilers will just produce instructions to fill the
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array rather than assigning a pointer to a static array. */
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char const* info_compiler = "INFO" ":" "compiler[" COMPILER_ID "]";
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#ifdef SIMULATE_ID
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char const* info_simulate = "INFO" ":" "simulate[" SIMULATE_ID "]";
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#endif
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#ifdef __QNXNTO__
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char const* qnxnto = "INFO" ":" "qnxnto[]";
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#endif
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#if defined(__CRAYXE) || defined(__CRAYXC)
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char const *info_cray = "INFO" ":" "compiler_wrapper[CrayPrgEnv]";
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#endif
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@CMAKE_CXX_COMPILER_ID_PLATFORM_CONTENT@
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@CMAKE_CXX_COMPILER_ID_ERROR_FOR_TEST@
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#if defined(_MSC_VER) && defined(_MSVC_LANG)
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#define CXX_STD _MSVC_LANG
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#else
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#define CXX_STD __cplusplus
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#endif
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const char* info_language_dialect_default = "INFO" ":" "dialect_default["
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#if CXX_STD > 201402L
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"17"
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#elif CXX_STD >= 201402L
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"14"
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#elif CXX_STD >= 201103L
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"11"
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#else
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"98"
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#endif
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"]";
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/*--------------------------------------------------------------------------*/
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int main(int argc, char* argv[])
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{
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int require = 0;
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require += info_compiler[argc];
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require += info_platform[argc];
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#ifdef COMPILER_VERSION_MAJOR
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require += info_version[argc];
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#endif
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#ifdef COMPILER_VERSION_INTERNAL
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require += info_version_internal[argc];
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#endif
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#ifdef SIMULATE_ID
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require += info_simulate[argc];
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#endif
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#ifdef SIMULATE_VERSION_MAJOR
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require += info_simulate_version[argc];
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#endif
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#if defined(__CRAYXE) || defined(__CRAYXC)
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require += info_cray[argc];
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#endif
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require += info_language_dialect_default[argc];
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(void)argv;
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return require;
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}
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