configure.h

#ifndef Corrade_configure_h
#define Corrade_configure_h
/*
    This file is part of Corrade.

    Copyright © 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
                2017, 2018, 2019 Vladimír Vondruš <mosra@centrum.cz>

    Permission is hereby granted, free of charge, to any person obtaining a
    copy of this software and associated documentation files (the "Software"),
    to deal in the Software without restriction, including without limitation
    the rights to use, copy, modify, merge, publish, distribute, sublicense,
    and/or sell copies of the Software, and to permit persons to whom the
    Software is furnished to do so, subject to the following conditions:

    The above copyright notice and this permission notice shall be included
    in all copies or substantial portions of the Software.

    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
    THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
    FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
    DEALINGS IN THE SOFTWARE.
*/

/* #undef CORRADE_BIG_ENDIAN */
/* #undef CORRADE_MSVC2017_COMPATIBILITY */
/* #undef CORRADE_MSVC2015_COMPATIBILITY */

#define CORRADE_BUILD_DEPRECATED
#define CORRADE_BUILD_STATIC
#define CORRADE_BUILD_MULTITHREADED

/* #undef CORRADE_TARGET_APPLE */
/* #undef CORRADE_TARGET_IOS */
/* #undef CORRADE_TARGET_IOS_SIMULATOR */
/* #undef CORRADE_TARGET_UNIX */
#define CORRADE_TARGET_WINDOWS
/* #undef CORRADE_TARGET_WINDOWS_RT */
/* #undef CORRADE_TARGET_EMSCRIPTEN */
/* #undef CORRADE_TARGET_ANDROID */

/* #undef CORRADE_PLUGINMANAGER_NO_DYNAMIC_PLUGIN_SUPPORT */
/* #undef CORRADE_TESTSUITE_TARGET_XCTEST */
/* #undef CORRADE_UTILITY_USE_ANSI_COLORS */

/* Cherry-picked from https://sourceforge.net/p/predef/wiki/Architectures/.
   Can't detect this stuff directly from CMake because of (for example) macOS
   and fat binaries. */

/* First two is GCC/Clang for 32/64 bit, second two is MSVC 32/64bit */
#if defined(__i386) || defined(__x86_64) || defined(_M_IX86) || defined(_M_X64)
#define CORRADE_TARGET_X86

/* First two is GCC/Clang for 32/64 bit, second two is MSVC 32/64bit. MSVC
   doesn't have AArch64 support in the compiler yet, though there are some
   signs of it in headers (http://stackoverflow.com/a/37251625/6108877). */
#elif defined(__arm__) || defined(__aarch64__) || defined(_M_ARM) || defined(_M_ARM64)
#define CORRADE_TARGET_ARM

/* First is GCC/Clang, second is MSVC */
#elif defined(__powerpc64__) || defined(_M_PPC)
#define CORRADE_TARGET_POWERPC

/* Otherwise one should expect CORRADE_TARGET_EMSCRIPTEN. No other platforms
   are currently tested for, but that's okay -- a runtime test for this is in
   Utility/Test/SystemTest.cpp */
#endif

/* Sanity checks */
#if defined(CORRADE_TARGET_EMSCRIPTEN) && (defined(CORRADE_TARGET_X86) || defined(CORRADE_TARGET_ARM))
#error CORRADE_TARGET_X86 / _ARM / _POWERPC defined on Emscripten
#endif

/* C++ standard */
#ifdef _MSC_VER
#ifdef _MSVC_LANG
#define CORRADE_CXX_STANDARD _MSVC_LANG
#else
#define CORRADE_CXX_STANDARD 201103L
#endif
#else
#define CORRADE_CXX_STANDARD __cplusplus
#endif

/* Standard library edition. Keep in sync with CorradeStl* singles. References:
   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65473
   https://github.com/gcc-mirror/gcc/commit/19665740d336d4ee7d0cf92b5b0643fa1d7da14a
   https://en.cppreference.com/w/cpp/header/ciso646 */
#include <ciso646>
#ifdef _LIBCPP_VERSION
#define CORRADE_TARGET_LIBCXX
#elif defined(_CPPLIB_VER)
#define CORRADE_TARGET_DINKUMWARE
#elif defined(__GLIBCXX__)
#define CORRADE_TARGET_LIBSTDCXX
/* GCC's <ciso646> provides the __GLIBCXX__ macro only since 6.1, so on older
   versions we'll try to get it from bits/c++config.h. GCC < 5.0 doesn't have
   __has_include, so on these versions we'll give up completely. */
#elif defined(__has_include)
    #if __has_include(<bits/c++config.h>)
        #include <bits/c++config.h>
        #ifdef __GLIBCXX__
        #define CORRADE_TARGET_LIBSTDCXX
        #endif
    #endif
#else
/* Otherwise no idea. */
#endif

#endif