add convertion of msys-libdir to windows-bindir

gamsinst.py

@@ -2,6 +2,7 @@
 
 import sys
 import os
+import subprocess
 import shutil
 
 def print_usage() :
@@ -60,6 +61,11 @@ def print_usage() :
  print("Error: no libdir or dlname found in", solverlib, file=sys.stderr)
  print_usage()
  sys.exit(1)
+ if iswindows :
+ # convert msys-path to windows path
+ libdir = subprocess.check_output("cygpath -w " + libdir).decode("utf-8").strip()
+ # on Windows, DLLs are in bindir and not in libdir, assume bindir is libdir/../bin
+ libdir = os.path.join(libdir, '..', 'bin')
  solverlib = os.path.join(libdir, dlname)
  if not os.path.isfile(solverlib) :
  print("Error: %s does not exist or is not a file" % solverlib, file=sys.stderr)