Index: tcl/8.4/msil/HelloWorld1.0/pkgIndex.tcl
==================================================================
--- tcl/8.4/msil/HelloWorld1.0/pkgIndex.tcl
+++ tcl/8.4/msil/HelloWorld1.0/pkgIndex.tcl
@@ -16,8 +16,11 @@
 
 if {![package vsatisfies [package provide Tcl] 8.4]} then {return}
 if {[string length [package provide Eagle]] > 0} then {return}
 
 package ifneeded HelloWorld 1.0 [list apply [list { dir } {
-  puts stdout [exec [file join $dir HelloWorld.exe]]
+  set command [list exec]
+  if {![isWindows]} then {lappend command mono}
+  lappend command [file join $dir HelloWorld.exe]
+  puts stdout [eval $command]
   package provide HelloWorld 1.0
 }] $dir]

Index: tcl/8.4/msil/HelloWorld1.0/pkgIndex.tcl.asc
==================================================================
--- tcl/8.4/msil/HelloWorld1.0/pkgIndex.tcl.asc
+++ tcl/8.4/msil/HelloWorld1.0/pkgIndex.tcl.asc
@@ -1,18 +1,18 @@
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v2
 Comment: Eagle Package Repository
 
-iQIcBAABCAAGBQJZWA1KAAoJEFAslq9JXcLZDhMP+wfPAP/12NNgNaxTRIfco2oL
-izqjO3wXNpoWH1P/Vue1u1rqbV4uFOnFqq5UASzW8zv0XNEFaVmxqF44CzHcD3PN
-xtJ5pNvSY7JG15vGDe8hbi5g7QSHzKHlnfl4MasCz86p/hkLqdZOGKOn/49JZlgK
-ORT3mHM+WzqBw8V/zkC3Fr/jBAWe9ijN5WfQR+sZWnjpdhFNIH4HvLM8/A1sr/n7
-DZmhgWrOn7w898LXI2XKtvHLVp1G3b9X4qPyPmAkv0yEi+y1B67ZonaUp59zV6im
-48HMDW0ipnRBb/sZSKqqwsP2L+MCxHdyryHoUeJQO+sc1OAPFsYJf7DlH0WKN+I5
-DzUzbKP+g4/FO/XVYg00a6uNA8ttFR9+pdi7ssEK+4pqRcb2R3m/3k4DYFAAge8Q
-7BS0KYINzBTmpI88DMQ8GENQWc65o1GACqF9LBJlTFO+blB61lyr9/FjO6sZrI15
-15DxGwQcg78oxq5uRkh8HEU/hc2ZnaNiseXp25srZRm2itxqpAmabulDmqTbOPt8
-DDENxsJc/8WQ+lqBqybR0wtDobUchrtifZ4dgX9t+Ny6jeLmJeM+CHVkA7Lv5Ezo
-1gJ9Ds9OyD+bLRxRUlpPGsP7Q6hIkpMKLCZkpdWtAWfOoptmjE0hD8LD0cllHC3t
-8lCc+UBh/UE18pNLnB9m
-=m89+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+=ogyF
 -----END PGP SIGNATURE-----