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#pragma once

#include <util/system/platform.h>

#if defined(__ANDROID__) && defined(MAPSMOBI_BUILD)
#   include "curl_config-android-maps-mobile.h"
#elif defined(__ANDROID__)
#   include "curl_config-android.h"
#elif defined(__IOS__) && defined(MAPSMOBI_BUILD)
#   include "curl_config-ios-maps-mobile.h"
#elif defined(__IOS__)
#   include "curl_config-ios.h"
#elif defined(__APPLE__)
#   include "curl_config-osx.h"
#elif defined(_MSC_VER)
#   include "curl_config-win.h"
#else
#   include "curl_config-linux.h"
#endif
 
#if defined(_musl_)
#   include "curl_config-musl.h"
#endif

// Do not misrepresent host on Android and iOS. 
#undef OS 
#define OS "arcadia"

// c-ares resolver is known to be buggy. 
// 
// There is no way to configure it properly without a JVM on Android, 
// because Android lacks traditional resolv.conf. 
// 
// For standalone Android programs, it is impossible 
// to contact ConnectionManager outside the JVM; this breaks c-ares DNS resolution. 
// As we can not distinguish builds of Android apps from standalone Android programs. 
// 
// During mapkit experiments, c-ares was adding about 10ms to each query timespan. 
// 
// 
// On Linux it caches /etc/resolv.conf contents and does not invalidate it properly 

#if defined(ARCADIA_CURL_DNS_RESOLVER_ARES) 
    #define USE_ARES 
#elif defined(ARCADIA_CURL_DNS_RESOLVER_MULTITHREADED) 
    #if defined(USE_ARES) 
        #undef USE_ARES 
    #endif 
    #if defined(__linux__) && !defined(USE_THREADS_POSIX) 
        #define USE_THREADS_POSIX 1 
    #elif defined(_MSC_VER) && !defined(USE_THREADS_WIN32) 
        #define USE_THREADS_WIN32 1 
    #endif 
#elif defined(ARCADIA_CURL_DNS_RESOLVER_SYNCHRONOUS) 
    // force using synchronous resolver by disabling thread support 
    #if defined(USE_ARES) 
        #undef USE_ARES 
    #endif 
    #if defined(USE_THREADS_POSIX) 
        #undef USE_THREADS_POSIX 
    #endif 
    #if defined(USE_THREADS_WIN32) 
        #undef USE_THREADS_WIN32 
    #endif 
#else 
    #error "No dns resolver is specified or resolver specification is wrong" 
#endif