is_supported_platform.h 2.41 KB
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/*
    This file is part of darktable,
    copyright (c) 2016 Roman Lebedev.

    darktable is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    darktable is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with darktable.  If not, see <http://www.gnu.org/licenses/>.
*/

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#pragma once

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// WARNING: do not #include anything in here!
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#if !defined(__BYTE_ORDER__) || __BYTE_ORDER__ != __ORDER_LITTLE_ENDIAN__
#error "Unfortunately we only work on litte-endian systems."
#endif

#if(defined(__amd64__) || defined(__amd64) || defined(__x86_64__) || defined(__x86_64) || defined(__i386__)       \
    || defined(__i386))
#define DT_SUPPORTED_X86 1
#else
#define DT_SUPPORTED_X86 0
#endif

#if defined(__aarch64__) && defined(__ARM_64BIT_STATE) && defined(__ARM_ARCH) && defined(__ARM_ARCH_8A)
#define DT_SUPPORTED_ARMv8A 1
#else
#define DT_SUPPORTED_ARMv8A 0
#endif

#if DT_SUPPORTED_X86 && DT_SUPPORTED_ARMv8A
#error "Looks like hardware platform detection macros are broken?"
#endif

#if !DT_SUPPORTED_X86 && !DT_SUPPORTED_ARMv8A
#error "Unfortunately we only work on amd64/x86 (64-bit and maybe 32-bit) and ARMv8-A (64-bit only)."
#endif

#if !DT_SUPPORTED_X86
#if !defined(__SIZEOF_POINTER__) || __SIZEOF_POINTER__ < 8
#error "On non-x86, we only support 64-bit."
#else
if(sizeof(void *) < 8)
{
  fprintf(stderr, "[dt_init] On non-x86, we only support 64-bit.\n");
  return 1;
}
#endif
#endif

#undef DT_SUPPORTED_ARMv8A
#undef DT_SUPPORTED_X86

#if !defined(__SSE2__) || !defined(__SSE__)
#pragma message "Building without SSE2 is highly experimental."
#pragma message "Expect a LOT of functionality to be broken. You have been warned."
#endif

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#if defined(__SIZEOF_POINTER__) && __SIZEOF_POINTER__ < 8
#pragma message "Warning: 32-bit build."
#endif

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