hg: jdk/sandbox: Loooots of ugly code; but now it sort-of work on cygwin.

[magnus.ihse.bursie at oracle.com]

Changeset: 932a75e2c8f3
Author:    ihse
Date:      2020-06-11 00:03 +0200
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/932a75e2c8f3

Loooots of ugly code; but now it sort-of work on cygwin.

! make/autoconf/basic.m4
! make/autoconf/basic_windows.m4
! make/autoconf/boot-jdk.m4
! make/autoconf/configure.ac
! make/autoconf/source-dirs.m4
! make/autoconf/spec.gmk.in
! make/autoconf/toolchain.m4
! make/autoconf/toolchain_windows.m4
! make/autoconf/util.m4
! make/autoconf/util_paths.m4
! make/autoconf/util_windows.m4
! make/scripts/fixpath.sh
! src/hotspot/share/adlc/main.cpp