Fix rpath for components when cross-compiling.

pylib/gyp/generator/ninja.py

Index: pylib/gyp/generator/ninja.py
diff --git a/pylib/gyp/generator/ninja.py b/pylib/gyp/generator/ninja.py
index c6bceaf382a74d3bed32c6343cfb848faaf251c3..a2c058123ce750a217faa8433f297582bc7caa39 100644
--- a/pylib/gyp/generator/ninja.py
+++ b/pylib/gyp/generator/ninja.py
@@ -919,8 +919,11 @@ class NinjaWriter:
     else:
       ldflags = config.get('ldflags', [])
       if is_executable and len(solibs):
-        ldflags.append('-Wl,-rpath=\$$ORIGIN/lib/')
-        ldflags.append('-Wl,-rpath-link=lib/')
+        rpath = 'lib/'
+        if self.toolset != 'target':
+          rpath += self.toolset
+        ldflags.append('-Wl,-rpath=\$$ORIGIN/%s' % rpath)
+        ldflags.append('-Wl,-rpath-link=%s' % rpath)
     self.WriteVariableList('ldflags',
                            gyp.common.uniquer(map(self.ExpandSpecial,
                                                   ldflags)))