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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
87 lines
2.1 KiB
C
87 lines
2.1 KiB
C
#ifdef __cplusplus
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# error "A C++ compiler has been selected for C."
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#endif
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#if defined(__18CXX)
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# define ID_VOID_MAIN
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#endif
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#if defined(__CLASSIC_C__)
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/* cv-qualifiers did not exist in K&R C */
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# define const
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# define volatile
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#endif
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@CMAKE_C_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_C_COMPILER_ID_PLATFORM_CONTENT@
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@CMAKE_C_COMPILER_ID_ERROR_FOR_TEST@
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#if !defined(__STDC__)
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# if defined(_MSC_VER) && !defined(__clang__)
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# define C_DIALECT "90"
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# else
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# define C_DIALECT
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# endif
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#elif __STDC_VERSION__ >= 201000L
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# define C_DIALECT "11"
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#elif __STDC_VERSION__ >= 199901L
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# define C_DIALECT "99"
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#else
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# define C_DIALECT "90"
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#endif
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const char* info_language_dialect_default =
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"INFO" ":" "dialect_default[" C_DIALECT "]";
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/*--------------------------------------------------------------------------*/
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#ifdef ID_VOID_MAIN
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void main() {}
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#else
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# if defined(__CLASSIC_C__)
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int main(argc, argv) int argc; char *argv[];
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# else
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int main(int argc, char* argv[])
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# endif
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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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require += info_arch[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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#endif
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