Checking whether the ASM compiler is GNU using "--version" did not match "(GNU assembler)|(GCC)|(Free Software Foundation)":
Microsoft (R) C/C++ Optimizing Compiler Version 19.16.27043 for x64
Copyright (C) Microsoft Corporation.  All rights reserved.

cl : Command line warning D9002 : ignoring unknown option '--version'
cl : Command line error D8003 : missing source filename
Checking whether the ASM compiler is HP using "-V" did not match "HP C":
Microsoft (R) C/C++ Optimizing Compiler Version 19.16.27043 for x64
Copyright (C) Microsoft Corporation.  All rights reserved.

cl : Command line error D8004 : '/V' requires an argument
Checking whether the ASM compiler is Intel using "--version" did not match "(ICC)":
Microsoft (R) C/C++ Optimizing CompilerVersion 19.16.27043 for x64
Copyright (C) Microsoft Corporation.  All rights reserved.

cl : Command line warning D9002 : ignoring unknown option '--version'
cl : Command line error D8003 : missing source filename
Checking whether the ASM compiler is SunPro using "-V" did not match "Sun C":
Microsoft (R) C/C++ Optimizing Compiler Version 19.16.27043 for x64
Copyright (C) Microsoft Corporation.  All rights reserved.

cl : Command line error D8004 : '/V' requires an argument
Checking whether the ASM compiler is XL using "-qversion" did not match "XL C":
Microsoft (R) C/C++ Optimizing Compiler Version 19.16.27043 for x64
Copyright (C) Microsoft Corporation.  All rights reserved.

cl : Command line warning D9002 : ignoring unknown option '-qversion'
cl : Command line error D8003 : missing source filename
Performing C SOURCE FILE Test HAVE_BUILD_MODE_C_FLAGS failed with the following output:
Change Dir: C:/cygwin/home/Administrator/wiredtiger/cmake_build/CMakeFiles/CMakeTmp

Run Build Command:"C:/ProgramData/chocolatey/bin/ninja.exe" "cmTC_fa39e"
[1/2] Building C object CMakeFiles\cmTC_fa39e.dir\src.c.obj
cl : Command line warning D9002 : ignoring unknown option '/fsanitize=address'
cl : Command line warning D9002 : ignoring unknown option '/fsanitize=address'
[2/2] Linking C executable cmTC_fa39e.exe

Source file was:
int main(void) { return 0; }
Determining if files strings.h exist failed with the following output:
Change Dir: C:/cygwin/home/Administrator/wiredtiger/cmake_build/CMakeFiles/CMakeTmp

Run Build Command:"C:/ProgramData/chocolatey/bin/ninja.exe" "cmTC_d0579"
[1/2] Building C object CMakeFiles\cmTC_d0579.dir\has_include_HAVE_STRINGS_H.c.obj
FAILED: CMakeFiles/cmTC_d0579.dir/has_include_HAVE_STRINGS_H.c.obj
C:\PROGRA~2\MICROS~2\2017\PROFES~1\VC\Tools\MSVC\1416~1.270\bin\Hostx64\x64\cl.exe  /nologo   /DWIN32 /D_WINDOWS /W3 -DWT_ARCH=x86 -DWT_OS=windows /MDd /Zi /Ob0 /Od /RTC1 /showIncludes /FoCMakeFiles\cmTC_d0579.dir\has_include_HAVE_STRINGS_H.c.obj /FdCMakeFiles\cmTC_d0579.dir\ /FS -c C:\cygwin\home\Administrator\wiredtiger\cmake_build\CMakeFiles\CheckIncludeFiles\has_include_HAVE_STRINGS_H.c
C:\cygwin\home\Administrator\wiredtiger\cmake_build\CMakeFiles\CheckIncludeFiles\has_include_HAVE_STRINGS_H.c(2): fatal error C1083: Cannot open include file: 'strings.h': No such file or directory
ninja: build stopped: subcommand failed.

Source:
/* */
#include <strings.h>


int main(void){return 0;}

Determining if files unistd.h exist failed with the following output:
Change Dir: C:/cygwin/home/Administrator/wiredtiger/cmake_build/CMakeFiles/CMakeTmp

Run Build Command:"C:/ProgramData/chocolatey/bin/ninja.exe" "cmTC_a03d3"
[1/2] Building C object CMakeFiles\cmTC_a03d3.dir\has_include_HAVE_UNISTD_H.c.obj
FAILED: CMakeFiles/cmTC_a03d3.dir/has_include_HAVE_UNISTD_H.c.obj
C:\PROGRA~2\MICROS~2\2017\PROFES~1\VC\Tools\MSVC\1416~1.270\bin\Hostx64\x64\cl.exe  /nologo   /DWIN32 /D_WINDOWS /W3 -DWT_ARCH=x86 -DWT_OS=windows /MDd /Zi /Ob0 /Od /RTC1 /showIncludes /FoCMakeFiles\cmTC_a03d3.dir\has_include_HAVE_UNISTD_H.c.obj /FdCMakeFiles\cmTC_a03d3.dir\ /FS -c C:\cygwin\home\Administrator\wiredtiger\cmake_build\CMakeFiles\CheckIncludeFiles\has_include_HAVE_UNISTD_H.c
C:\cygwin\home\Administrator\wiredtiger\cmake_build\CMakeFiles\CheckIncludeFiles\has_include_HAVE_UNISTD_H.c(2): fatal error C1083: Cannot open include file: 'unistd.h': No such file or directory
ninja: build stopped: subcommand failed.

Source:
/* */
#include <unistd.h>


int main(void){return 0;}

Determining if files x86intrin.h exist failed with the following output:
Change Dir: C:/cygwin/home/Administrator/wiredtiger/cmake_build/CMakeFiles/CMakeTmp

Run Build Command:"C:/ProgramData/chocolatey/bin/ninja.exe" "cmTC_c3768"
[1/2] Building C object CMakeFiles\cmTC_c3768.dir\has_include_HAVE_X86INTRIN_H.c.obj
FAILED: CMakeFiles/cmTC_c3768.dir/has_include_HAVE_X86INTRIN_H.c.obj
C:\PROGRA~2\MICROS~2\2017\PROFES~1\VC\Tools\MSVC\1416~1.270\bin\Hostx64\x64\cl.exe  /nologo   /DWIN32 /D_WINDOWS /W3 -DWT_ARCH=x86 -DWT_OS=windows /MDd /Zi /Ob0 /Od /RTC1 /showIncludes /FoCMakeFiles\cmTC_c3768.dir\has_include_HAVE_X86INTRIN_H.c.obj /FdCMakeFiles\cmTC_c3768.dir\ /FS -c C:\cygwin\home\Administrator\wiredtiger\cmake_build\CMakeFiles\CheckIncludeFiles\has_include_HAVE_X86INTRIN_H.c
C:\cygwin\home\Administrator\wiredtiger\cmake_build\CMakeFiles\CheckIncludeFiles\has_include_HAVE_X86INTRIN_H.c(2): fatal error C1083: Cannot open include file: 'x86intrin.h': No such file or directory
ninja: build stopped: subcommand failed.

Source:
/* */
#include <x86intrin.h>


int main(void){return 0;}

Determining if files dlfcn.h exist failed with the following output:
Change Dir: C:/cygwin/home/Administrator/wiredtiger/cmake_build/CMakeFiles/CMakeTmp

Run Build Command:"C:/ProgramData/chocolatey/bin/ninja.exe" "cmTC_381d1"
[1/2] Building C object CMakeFiles\cmTC_381d1.dir\has_include_HAVE_DLFCN_H.c.obj
FAILED: CMakeFiles/cmTC_381d1.dir/has_include_HAVE_DLFCN_H.c.obj
C:\PROGRA~2\MICROS~2\2017\PROFES~1\VC\Tools\MSVC\1416~1.270\bin\Hostx64\x64\cl.exe  /nologo   /DWIN32 /D_WINDOWS /W3 -DWT_ARCH=x86 -DWT_OS=windows /MDd /Zi /Ob0 /Od /RTC1 /showIncludes /FoCMakeFiles\cmTC_381d1.dir\has_include_HAVE_DLFCN_H.c.obj /FdCMakeFiles\cmTC_381d1.dir\ /FS -c C:\cygwin\home\Administrator\wiredtiger\cmake_build\CMakeFiles\CheckIncludeFiles\has_include_HAVE_DLFCN_H.c
C:\cygwin\home\Administrator\wiredtiger\cmake_build\CMakeFiles\CheckIncludeFiles\has_include_HAVE_DLFCN_H.c(2): fatal error C1083: Cannot open include file: 'dlfcn.h': No such file or directory
ninja: build stopped: subcommand failed.

Source:
/* */
#include <dlfcn.h>


int main(void){return 0;}

Determining if the clock_gettime exist failed with the following output:
Change Dir: C:/cygwin/home/Administrator/wiredtiger/cmake_build/CMakeFiles/CMakeTmp

Run Build Command:"C:/ProgramData/chocolatey/bin/ninja.exe" "cmTC_0ad65"
[1/2] Building C object CMakeFiles\cmTC_0ad65.dir\CheckSymbolExists.c.obj
FAILED: CMakeFiles/cmTC_0ad65.dir/CheckSymbolExists.c.obj
C:\PROGRA~2\MICROS~2\2017\PROFES~1\VC\Tools\MSVC\1416~1.270\bin\Hostx64\x64\cl.exe  /nologo   /DWIN32 /D_WINDOWS /W3 -DWT_ARCH=x86 -DWT_OS=windows /MDd /Zi /Ob0 /Od /RTC1 /showIncludes /FoCMakeFiles\cmTC_0ad65.dir\CheckSymbolExists.c.obj /FdCMakeFiles\cmTC_0ad65.dir\ /FS -c CheckSymbolExists.c
CheckSymbolExists.c(8): error C2065: 'clock_gettime': undeclared identifier
ninja: build stopped: subcommand failed.

File C:/cygwin/home/Administrator/wiredtiger/cmake_build/CMakeFiles/CMakeTmp/CheckSymbolExists.c:
/* */
#include <time.h>

int main(int argc, char** argv)
{
  (void)argv;
#ifndef clock_gettime
  return ((int*)(&clock_gettime))[argc];
#else
  (void)argc;
  return 0;
#endif
}

Determining if the fallocate exist failed with the following output:
Change Dir: C:/cygwin/home/Administrator/wiredtiger/cmake_build/CMakeFiles/CMakeTmp

Run Build Command:"C:/ProgramData/chocolatey/bin/ninja.exe" "cmTC_448cb"
[1/2] Building C object CMakeFiles\cmTC_448cb.dir\CheckSymbolExists.c.obj
FAILED: CMakeFiles/cmTC_448cb.dir/CheckSymbolExists.c.obj
C:\PROGRA~2\MICROS~2\2017\PROFES~1\VC\Tools\MSVC\1416~1.270\bin\Hostx64\x64\cl.exe  /nologo   /DWIN32 /D_WINDOWS /W3 -DWT_ARCH=x86 -DWT_OS=windows /MDd /Zi /Ob0 /Od /RTC1 /showIncludes /FoCMakeFiles\cmTC_448cb.dir\CheckSymbolExists.c.obj /FdCMakeFiles\cmTC_448cb.dir\ /FS -c CheckSymbolExists.c
CheckSymbolExists.c(8): error C2065: 'fallocate': undeclared identifier
ninja: build stopped: subcommand failed.

File C:/cygwin/home/Administrator/wiredtiger/cmake_build/CMakeFiles/CMakeTmp/CheckSymbolExists.c:
/* */
#include <fcntl.h>

int main(int argc, char** argv)
{
  (void)argv;
#ifndef fallocate
  return ((int*)(&fallocate))[argc];
#else
  (void)argc;
  return 0;
#endif
}

Determining if the fdatasync exist failed with the following output:
Change Dir: C:/cygwin/home/Administrator/wiredtiger/cmake_build/CMakeFiles/CMakeTmp

Run Build Command:"C:/ProgramData/chocolatey/bin/ninja.exe" "cmTC_e24ef"
[1/2] Building C object CMakeFiles\cmTC_e24ef.dir\CheckSymbolExists.c.obj
FAILED: CMakeFiles/cmTC_e24ef.dir/CheckSymbolExists.c.obj
C:\PROGRA~2\MICROS~2\2017\PROFES~1\VC\Tools\MSVC\1416~1.270\bin\Hostx64\x64\cl.exe  /nologo   /DWIN32 /D_WINDOWS /W3 -DWT_ARCH=x86 -DWT_OS=windows /MDd /Zi /Ob0 /Od /RTC1 /showIncludes /FoCMakeFiles\cmTC_e24ef.dir\CheckSymbolExists.c.obj /FdCMakeFiles\cmTC_e24ef.dir\ /FS -c CheckSymbolExists.c
CheckSymbolExists.c(2): fatal error C1083: Cannot open include file: 'unistd.h': No such file or directory
ninja: build stopped: subcommand failed.

File C:/cygwin/home/Administrator/wiredtiger/cmake_build/CMakeFiles/CMakeTmp/CheckSymbolExists.c:
/* */
#include <unistd.h>

int main(int argc, char** argv)
{
  (void)argv;
#ifndef fdatasync
  return ((int*)(&fdatasync))[argc];
#else
  (void)argc;
  return 0;
#endif
}

Determining if the ftruncate exist failed with the following output:
Change Dir: C:/cygwin/home/Administrator/wiredtiger/cmake_build/CMakeFiles/CMakeTmp

Run Build Command:"C:/ProgramData/chocolatey/bin/ninja.exe" "cmTC_8a7e3"
[1/2] Building C object CMakeFiles\cmTC_8a7e3.dir\CheckSymbolExists.c.obj
FAILED: CMakeFiles/cmTC_8a7e3.dir/CheckSymbolExists.c.obj
C:\PROGRA~2\MICROS~2\2017\PROFES~1\VC\Tools\MSVC\1416~1.270\bin\Hostx64\x64\cl.exe  /nologo   /DWIN32 /D_WINDOWS /W3 -DWT_ARCH=x86 -DWT_OS=windows /MDd /Zi /Ob0 /Od /RTC1 /showIncludes /FoCMakeFiles\cmTC_8a7e3.dir\CheckSymbolExists.c.obj /FdCMakeFiles\cmTC_8a7e3.dir\ /FS -c CheckSymbolExists.c
CheckSymbolExists.c(2): fatal error C1083: Cannot open include file: 'unistd.h': No such file or directory
ninja: build stopped: subcommand failed.

File C:/cygwin/home/Administrator/wiredtiger/cmake_build/CMakeFiles/CMakeTmp/CheckSymbolExists.c:
/* */
#include <unistd.h>
#include <sys/types.h>

int main(int argc, char** argv)
{
  (void)argv;
#ifndef ftruncate
  return ((int*)(&ftruncate))[argc];
#else
  (void)argc;
  return 0;
#endif
}

Determining if the gettimeofday exist failed with the following output:
Change Dir: C:/cygwin/home/Administrator/wiredtiger/cmake_build/CMakeFiles/CMakeTmp

Run Build Command:"C:/ProgramData/chocolatey/bin/ninja.exe" "cmTC_d8e50"
[1/2] Building C object CMakeFiles\cmTC_d8e50.dir\CheckSymbolExists.c.obj
FAILED: CMakeFiles/cmTC_d8e50.dir/CheckSymbolExists.c.obj
C:\PROGRA~2\MICROS~2\2017\PROFES~1\VC\Tools\MSVC\1416~1.270\bin\Hostx64\x64\cl.exe  /nologo   /DWIN32 /D_WINDOWS /W3 -DWT_ARCH=x86 -DWT_OS=windows /MDd /Zi /Ob0 /Od /RTC1 /showIncludes /FoCMakeFiles\cmTC_d8e50.dir\CheckSymbolExists.c.obj /FdCMakeFiles\cmTC_d8e50.dir\ /FS -c CheckSymbolExists.c
CheckSymbolExists.c(2): fatal error C1083: Cannot open include file: 'sys/time.h': No such file or directory
ninja: build stopped: subcommand failed.

File C:/cygwin/home/Administrator/wiredtiger/cmake_build/CMakeFiles/CMakeTmp/CheckSymbolExists.c:
/* */
#include <sys/time.h>

int main(int argc, char** argv)
{
  (void)argv;
#ifndef gettimeofday
  return ((int*)(&gettimeofday))[argc];
#else
  (void)argc;
  return 0;
#endif
}

Determining if the posix_fadvise exist failed with the following output:
Change Dir: C:/cygwin/home/Administrator/wiredtiger/cmake_build/CMakeFiles/CMakeTmp

Run Build Command:"C:/ProgramData/chocolatey/bin/ninja.exe" "cmTC_51821"
[1/2] Building C object CMakeFiles\cmTC_51821.dir\CheckSymbolExists.c.obj
FAILED: CMakeFiles/cmTC_51821.dir/CheckSymbolExists.c.obj
C:\PROGRA~2\MICROS~2\2017\PROFES~1\VC\Tools\MSVC\1416~1.270\bin\Hostx64\x64\cl.exe  /nologo   /DWIN32 /D_WINDOWS /W3 -DWT_ARCH=x86 -DWT_OS=windows /MDd /Zi /Ob0 /Od /RTC1 /showIncludes /FoCMakeFiles\cmTC_51821.dir\CheckSymbolExists.c.obj /FdCMakeFiles\cmTC_51821.dir\ /FS -c CheckSymbolExists.c
CheckSymbolExists.c(8): error C2065: 'posix_fadvise': undeclared identifier
ninja: build stopped: subcommand failed.

File C:/cygwin/home/Administrator/wiredtiger/cmake_build/CMakeFiles/CMakeTmp/CheckSymbolExists.c:
/* */
#include <fcntl.h>

int main(int argc, char** argv)
{
  (void)argv;
#ifndef posix_fadvise
  return ((int*)(&posix_fadvise))[argc];
#else
  (void)argc;
  return 0;
#endif
}

Determining if the posix_fallocate exist failed with the following output:
Change Dir: C:/cygwin/home/Administrator/wiredtiger/cmake_build/CMakeFiles/CMakeTmp

Run Build Command:"C:/ProgramData/chocolatey/bin/ninja.exe" "cmTC_8923f"
[1/2] Building C object CMakeFiles\cmTC_8923f.dir\CheckSymbolExists.c.obj
FAILED: CMakeFiles/cmTC_8923f.dir/CheckSymbolExists.c.obj
C:\PROGRA~2\MICROS~2\2017\PROFES~1\VC\Tools\MSVC\1416~1.270\bin\Hostx64\x64\cl.exe  /nologo   /DWIN32 /D_WINDOWS /W3 -DWT_ARCH=x86 -DWT_OS=windows /MDd /Zi /Ob0 /Od /RTC1 /showIncludes /FoCMakeFiles\cmTC_8923f.dir\CheckSymbolExists.c.obj /FdCMakeFiles\cmTC_8923f.dir\ /FS -c CheckSymbolExists.c
CheckSymbolExists.c(8): error C2065: 'posix_fallocate': undeclared identifier
ninja: build stopped: subcommand failed.

File C:/cygwin/home/Administrator/wiredtiger/cmake_build/CMakeFiles/CMakeTmp/CheckSymbolExists.c:
/* */
#include <fcntl.h>

int main(int argc, char** argv)
{
  (void)argv;
#ifndef posix_fallocate
  return ((int*)(&posix_fallocate))[argc];
#else
  (void)argc;
  return 0;
#endif
}

Determining if the posix_madvise exist failed with the following output:
Change Dir: C:/cygwin/home/Administrator/wiredtiger/cmake_build/CMakeFiles/CMakeTmp

Run Build Command:"C:/ProgramData/chocolatey/bin/ninja.exe" "cmTC_e90fc"
[1/2] Building C object CMakeFiles\cmTC_e90fc.dir\CheckSymbolExists.c.obj
FAILED: CMakeFiles/cmTC_e90fc.dir/CheckSymbolExists.c.obj
C:\PROGRA~2\MICROS~2\2017\PROFES~1\VC\Tools\MSVC\1416~1.270\bin\Hostx64\x64\cl.exe  /nologo   /DWIN32 /D_WINDOWS /W3 -DWT_ARCH=x86 -DWT_OS=windows /MDd /Zi /Ob0 /Od /RTC1 /showIncludes /FoCMakeFiles\cmTC_e90fc.dir\CheckSymbolExists.c.obj /FdCMakeFiles\cmTC_e90fc.dir\ /FS -c CheckSymbolExists.c
CheckSymbolExists.c(2): fatal error C1083: Cannot open include file: 'sys/mman.h': No such file or directory
ninja: build stopped: subcommand failed.

File C:/cygwin/home/Administrator/wiredtiger/cmake_build/CMakeFiles/CMakeTmp/CheckSymbolExists.c:
/* */
#include <sys/mman.h>

int main(int argc, char** argv)
{
  (void)argv;
#ifndef posix_madvise
  return ((int*)(&posix_madvise))[argc];
#else
  (void)argc;
  return 0;
#endif
}

Determining if the posix_memalign exist failed with the following output:
Change Dir: C:/cygwin/home/Administrator/wiredtiger/cmake_build/CMakeFiles/CMakeTmp

Run Build Command:"C:/ProgramData/chocolatey/bin/ninja.exe" "cmTC_02033"
[1/2] Building C object CMakeFiles\cmTC_02033.dir\CheckSymbolExists.c.obj
FAILED: CMakeFiles/cmTC_02033.dir/CheckSymbolExists.c.obj
C:\PROGRA~2\MICROS~2\2017\PROFES~1\VC\Tools\MSVC\1416~1.270\bin\Hostx64\x64\cl.exe  /nologo   /DWIN32 /D_WINDOWS /W3 -DWT_ARCH=x86 -DWT_OS=windows /MDd /Zi /Ob0 /Od /RTC1 /showIncludes /FoCMakeFiles\cmTC_02033.dir\CheckSymbolExists.c.obj /FdCMakeFiles\cmTC_02033.dir\ /FS -c CheckSymbolExists.c
CheckSymbolExists.c(8): error C2065: 'posix_memalign': undeclared identifier
ninja: build stopped: subcommand failed.

File C:/cygwin/home/Administrator/wiredtiger/cmake_build/CMakeFiles/CMakeTmp/CheckSymbolExists.c:
/* */
#include <stdlib.h>

int main(int argc, char** argv)
{
  (void)argv;
#ifndef posix_memalign
  return ((int*)(&posix_memalign))[argc];
#else
  (void)argc;
  return 0;
#endif
}

Determining if the setrlimit exist failed with the following output:
Change Dir: C:/cygwin/home/Administrator/wiredtiger/cmake_build/CMakeFiles/CMakeTmp

Run Build Command:"C:/ProgramData/chocolatey/bin/ninja.exe" "cmTC_ac082"
[1/2] Building C object CMakeFiles\cmTC_ac082.dir\CheckSymbolExists.c.obj
FAILED: CMakeFiles/cmTC_ac082.dir/CheckSymbolExists.c.obj
C:\PROGRA~2\MICROS~2\2017\PROFES~1\VC\Tools\MSVC\1416~1.270\bin\Hostx64\x64\cl.exe  /nologo   /DWIN32 /D_WINDOWS /W3 -DWT_ARCH=x86 -DWT_OS=windows /MDd /Zi /Ob0 /Od /RTC1 /showIncludes /FoCMakeFiles\cmTC_ac082.dir\CheckSymbolExists.c.obj /FdCMakeFiles\cmTC_ac082.dir\ /FS -c CheckSymbolExists.c
CheckSymbolExists.c(2): fatal error C1083: Cannot open include file: 'sys/time.h': No such file or directory
ninja: build stopped: subcommand failed.

File C:/cygwin/home/Administrator/wiredtiger/cmake_build/CMakeFiles/CMakeTmp/CheckSymbolExists.c:
/* */
#include <sys/time.h>
#include <sys/resource.h>

int main(int argc, char** argv)
{
  (void)argv;
#ifndef setrlimit
  return ((int*)(&setrlimit))[argc];
#else
  (void)argc;
  return 0;
#endif
}

Determining if the strtouq exist failed with the following output:
Change Dir: C:/cygwin/home/Administrator/wiredtiger/cmake_build/CMakeFiles/CMakeTmp

Run Build Command:"C:/ProgramData/chocolatey/bin/ninja.exe" "cmTC_aeab3"
[1/2] Building C object CMakeFiles\cmTC_aeab3.dir\CheckSymbolExists.c.obj
FAILED: CMakeFiles/cmTC_aeab3.dir/CheckSymbolExists.c.obj
C:\PROGRA~2\MICROS~2\2017\PROFES~1\VC\Tools\MSVC\1416~1.270\bin\Hostx64\x64\cl.exe  /nologo   /DWIN32 /D_WINDOWS /W3 -DWT_ARCH=x86 -DWT_OS=windows /MDd /Zi /Ob0 /Od /RTC1 /showIncludes /FoCMakeFiles\cmTC_aeab3.dir\CheckSymbolExists.c.obj /FdCMakeFiles\cmTC_aeab3.dir\ /FS -c CheckSymbolExists.c
CheckSymbolExists.c(8): error C2065: 'strtouq': undeclared identifier
ninja: build stopped: subcommand failed.

File C:/cygwin/home/Administrator/wiredtiger/cmake_build/CMakeFiles/CMakeTmp/CheckSymbolExists.c:
/* */
#include <stdlib.h>

int main(int argc, char** argv)
{
  (void)argv;
#ifndef strtouq
  return ((int*)(&strtouq))[argc];
#else
  (void)argc;
  return 0;
#endif
}

Determining if the sync_file_range exist failed with the following output:
Change Dir: C:/cygwin/home/Administrator/wiredtiger/cmake_build/CMakeFiles/CMakeTmp

Run Build Command:"C:/ProgramData/chocolatey/bin/ninja.exe" "cmTC_b1175"
[1/2] Building C object CMakeFiles\cmTC_b1175.dir\CheckSymbolExists.c.obj
FAILED: CMakeFiles/cmTC_b1175.dir/CheckSymbolExists.c.obj
C:\PROGRA~2\MICROS~2\2017\PROFES~1\VC\Tools\MSVC\1416~1.270\bin\Hostx64\x64\cl.exe  /nologo   /DWIN32 /D_WINDOWS /W3 -DWT_ARCH=x86 -DWT_OS=windows /MDd /Zi /Ob0 /Od /RTC1 /showIncludes /FoCMakeFiles\cmTC_b1175.dir\CheckSymbolExists.c.obj /FdCMakeFiles\cmTC_b1175.dir\ /FS -c CheckSymbolExists.c
CheckSymbolExists.c(8): error C2065: 'sync_file_range': undeclared identifier
ninja: build stopped: subcommand failed.

File C:/cygwin/home/Administrator/wiredtiger/cmake_build/CMakeFiles/CMakeTmp/CheckSymbolExists.c:
/* */
#include <fcntl.h>

int main(int argc, char** argv)
{
  (void)argv;
#ifndef sync_file_range
  return ((int*)(&sync_file_range))[argc];
#else
  (void)argc;
  return 0;
#endif
}

Determining if the timer_create exist failed with the following output:
Change Dir: C:/cygwin/home/Administrator/wiredtiger/cmake_build/CMakeFiles/CMakeTmp

Run Build Command:"C:/ProgramData/chocolatey/bin/ninja.exe" "cmTC_42972"
[1/2] Building C object CMakeFiles\cmTC_42972.dir\CheckSymbolExists.c.obj
FAILED: CMakeFiles/cmTC_42972.dir/CheckSymbolExists.c.obj
C:\PROGRA~2\MICROS~2\2017\PROFES~1\VC\Tools\MSVC\1416~1.270\bin\Hostx64\x64\cl.exe  /nologo   /DWIN32 /D_WINDOWS /W3 -DWT_ARCH=x86 -DWT_OS=windows /MDd /Zi /Ob0 /Od /RTC1 /showIncludes /FoCMakeFiles\cmTC_42972.dir\CheckSymbolExists.c.obj /FdCMakeFiles\cmTC_42972.dir\ /FS -c CheckSymbolExists.c
CheckSymbolExists.c(9): error C2065: 'timer_create': undeclared identifier
ninja: build stopped: subcommand failed.

File C:/cygwin/home/Administrator/wiredtiger/cmake_build/CMakeFiles/CMakeTmp/CheckSymbolExists.c:
/* */
#include <signal.h>
#include <time.h>

int main(int argc, char** argv)
{
  (void)argv;
#ifndef timer_create
  return ((int*)(&timer_create))[argc];
#else
  (void)argc;
  return 0;
#endif
}