unixcompiler: mingw&cygwin ld do not have --enable-new-dtags

Roumen Petrov · mingwandroid · commit beed95fcdb4c · 2015-01-26T21:04:02.000Z
I (Ray Donnelly) synthesised this commit as I can't find it
in Roumen's split series.
diff --git a/Lib/distutils/unixccompiler.py b/Lib/distutils/unixccompiler.py
@@ -238,9 +238,13 @@ def runtime_library_dir_option(self, dir):
                 # -Wl whenever gcc was used in the past it is probably
                 # safest to keep doing so.
                 if sysconfig.get_config_var("GNULD") == "yes":
-                    # GNU ld needs an extra option to get a RUNPATH
+                    # GNU ELF ld needs an extra option to get a RUNPATH
                     # instead of just an RPATH.
-                    return "-Wl,--enable-new-dtags,-R" + dir
+                    if sys.platform in ["win32", "cygwin"] or \
+                       "mingw" in compiler:
+                        return []
+                    else:
+                        return "-Wl,--enable-new-dtags,-R" + dir
                 else:
                     return "-Wl,-R" + dir
             else:
