我无法从源代码OS：Windows 10 Cygwin64构建jdk8
checking whether byte ordering is bigendian... no
checking if compiler supports "-m64"... yes
checking if compiler supports "-m64"... yes
checking if we should generate debug symbols... true
checking if we should zip debug-info files... yes
checking if fixpath can be created... no
Microsoft (R) C/C++ Optimizing Compiler Version 16.00.40219.01 for x64
Copyright (C) Microsoft Corporation. All rights reserved.
cl : Command line warning D9024 : unrecognized source file type 'C:/cygwin64', object file assumed
Microsoft (R) Incremental Linker Version 10.00.40219.01
Copyright (C) Microsoft Corporation. All rights reserved.
/out:C:/cygwin64.exe
C:/cygwin64
LINK : fatal error LNK1104: cannot open file 'C:/cygwin64.exe'
//fixpath.exeror: Could not create /cygdrive/c/cygwin64
configure exiting with result code 1