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57 lines
1.5 KiB
C
57 lines
1.5 KiB
C
#pragma once
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#if defined(__clang__)
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#if __clang_major__ < 3
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#error "This clang++ version is known to not work with Grid due to compiler bugs"
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#endif
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#if __clang_major__ == 3
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#if __clang_minor__ < 5
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#error "This clang++ version is known to not work with Grid due to compiler bugs"
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#endif
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#endif
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// Intel compiler *ALSO* has __GNUC__ defined so must if/else GCC checks
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#elif defined(__INTEL_COMPILER)
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#if __INTEL_COMPILER < 1603
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#error "This icpc version is known to not work with Grid due to compiler bugs"
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#endif
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#else
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// This macro is annoying many other compilers just define __GNUC__ and claim GCC compat
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// but this defeats the use of __GNUC__ to really detect G++
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#if defined(__GNUC__)
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#if __GNUC__ < 4
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#error "g++ prior to version 4 is known to not work with Grid due to compiler bugs"
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#endif
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#if __GNUC__ == 4
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#if __GNUC_MINOR__ != 9
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#error "g++ 4.9 is the only gcc-4.x version known to work with Grid due to compiler bugs"
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#endif
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#endif
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#if __GNUC__ == 5
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#warning "g++ version 5 is known to not work with Grid due to compiler bugs under -O3 : ensure you run make check"
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#endif
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#if __GNUC__ == 6
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#if __GNUC_MINOR__ < 3
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#warning "This g++6.3 is the first recent g++ version known to work with Grid: ensure you run make check"
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#endif
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#endif
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#else
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#warning "Unknown compiler detected: cannot guarantee compatability since Grid tends to break compilers"
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#warning "Ensure to run : make check"
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#endif
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#endif
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