Hi,
You'll find below a suggestion of patch we've been using since 2002 with
INN (a news server).
https://inn.eyrie.org/trac/changeset/5703
--
Julien ÉLIE
Make install-sh properly handle .exe extensions.
Path from Greg Andruk.
* lib/install-sh: Handle .exe extensions, for Cygwin portability
--- install-sh.orig 2018-03-17 14:18:08.701045461 +0100
+++ install-sh.cygwin 2018-03-17 14:28:26.577421082 +0100
@@ -250,6 +250,11 @@
-* | [=\(\)!]) src=./$src;;
esac
+ # For Cygwin compatibility.
+ if [ -x "$src".exe ]; then
+ src=${src}.exe
+ fi
+
if test -n "$dir_arg"; then
dst=$src
dstdir=$dst
