openssl 1.1.1-pre1 in mobaxterm

OpenSSL testet an einer neuen Version herum. Aber auch OpenSSL 1.1.1-pre1 lässt sich nicht ohne weiters in MobaXTerm bauen.
Bekanntes Problem, gleiche Lösung:

$ make clean && ./config && make

crypto/async/arch/async_posix.o:async_posix.c:(.text+0xe): undefined reference to `getcontext'
crypto/async/arch/async_posix.o:async_posix.c:(.text+0x56): undefined reference to `getcontext'
crypto/async/arch/async_posix.o:async_posix.c:(.text+0xd4): undefined reference to `makecontext'
crypto/async/async.o:async.c:(.text+0x34): undefined reference to `setcontext'
collect2: error: ld returned 1 exit status
Makefile:728: recipe for target 'libcrypto.dll.a' failed
make[1]: *** [libcrypto.dll.a] Error 1
make[1]: Leaving directory '/home/mobaxterm/_work/openssl-1.1.1-pre1'
Makefile:143: recipe for target 'all' failed
make: *** [all] Error 2
Command exited with non-zero status 2

$ make clean && ./config no_async && make

$ apps/openssl.exe version
OpenSSL 1.1.1-pre1 (alpha) 13 Feb 2018