another _BUILDCOPY fix

src/make.tcl

@@ -2464,6 +2464,9 @@ lappend exclusions .zip .7z .pea .bz2 .tar .gz .tgz .z .xz ;#don't allow archive
 lappend exclusions .tail ;#result of running sdx mksplit on a kit - in theory the .head could be used - review/test
 set runtimes [list]
 foreach f $rtfolder_files {
+    if {[string match "*_BUILDCOPY*" $f]} {
+        continue
+    }
     if {[string tolower [file extension $f]] in $exclusions} {
         continue
     }
@@ -2631,7 +2634,7 @@ foreach runtime [dict keys $runtime_vfs_map] {
     #temp
     #build for current platform only for now
     if {![file exists $rtfolder/$runtime]} {
-        dict set runtime_caps $runtime exitcode -1 error "find-fail"
+        dict set runtime_caps $runtime exitcode -1 error "find-fail $rtfolder/$runtime"
         continue
     }