1
0
mirror of https://github.com/paboyle/Grid.git synced 2024-11-15 18:25:37 +00:00
Grid/lib/util/CompilerCompatible.h
2017-05-11 12:25:02 +01:00

57 lines
1.5 KiB
C

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