Get the latest WSL on windows 10. clone a clean copy of core. This is on Windows 10. Ubuntu looks okay.
allan@DESKTOP-U9EV6QE:~$ git clone https://github.com/Bitcoin/Bitcoin.git Cloning into ‘Bitcoin’… remote: Counting objects: 91026, done. remote: Compressing objects: 100% (3/3), done. remote: Total 91026 (delta 5), reused 4 (delta 4), pack-reused 91019 Receiving objects: 100% (91026/91026), 79.40 MiB | 137.00 KiB/s, done. Resolving deltas: 100% (67842/67842), done. Checking connectivity… done. Checking out files: 100% (1491/1491), done. allan@DESKTOP-U9EV6QE:~$ cd Bitcoin/ .cache/ core/ Desktop/ .subversion/ BitcoinUnlimited/ .ccache/ .dbus/ .gconf/ bu2/ .config/ .dbus-keyrings/ .mozilla/ allan@DESKTOP-U9EV6QE:~$ cd Bitcoin allan@DESKTOP-U9EV6QE:~/Bitcoin$ cd depends/ allan@DESKTOP-U9EV6QE:~/Bitcoin/depends$ make HOST=x86_64-w64-mingw32 Fetching ccache-3.3.3.tar.bz2 from https://samba.org/ftp/ccache % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 100 261 100 261 0 0 28 0 0:00:09 0:00:09 –:–:– 55 100 337k 100 337k 0 0 20729 0 0:00:16 0:00:16 –:–:– 77660 /home/allan/Bitcoin/depends/work/download/native_ccache-3.3.3/ccache-3.3.3.tar.bz2.temp: OK Extracting native_ccache… /home/allan/Bitcoin/depends/sources/ccache-3.3.3.tar.bz2: OK Preprocessing native_ccache… Configuring native_ccache… /bin/sh: 1: Syntax error: “(” unexpected make: *** [/home/allan/Bitcoin/depends/work/build/x86_64-w64-mingw32/native_ccache/3.3.3-43ca3e6a03b/./.stamp_configured] Error 2 allan@DESKTOP-U9EV6QE:~/Bitcoin/depends$