gistfile1.txt

diff --git a/conda_build/external.py b/conda_build/external.py
index 50d1d11..3f558b4 100644
--- a/conda_build/external.py
+++ b/conda_build/external.py
@@ -14,8 +14,12 @@ def find_executable(executable):
     if sys.platform == 'win32':
         dir_paths = [join(config.build_prefix, 'Scripts'),
                      join(config.build_prefix, 'Library\\bin'),
+                     join(config.build_prefix, 'Library\\mingw-w64\\bin'),
+                     join(config.build_prefix, 'Library\\usr\\bin'),
                      join(cc.root_dir, 'Scripts'),
                      join(cc.root_dir, 'Library\\bin'),
+                     join(cc.root_dir, 'Library\\mingw-w64\\bin'),
+                     join(cc.root_dir, 'Library\\usr\\bin'),
                      'C:\\cygwin\\bin']
     else:
         dir_paths = [join(config.build_prefix, 'bin'),
diff --git a/conda_build/scripts.py b/conda_build/scripts.py
index 3ffd422..ad67403 100644
--- a/conda_build/scripts.py
+++ b/conda_build/scripts.py
@@ -63,7 +63,7 @@ def create_entry_points(items):
 def prepend_bin_path(env, prefix, prepend_prefix=False):
     env['PATH'] = join(prefix, bin_dirname) + os.pathsep + env['PATH']
     if sys.platform == "win32":
-        env['PATH'] = join(prefix, "Library", "bin") + os.pathsep + env['PATH']
+        env['PATH'] = join(prefix, "Library", "bin") + os.pathsep + join(prefix, "Library", "mingw-w64", "bin") + os.pathsep + join(prefix, "Library", "usr", "bin") + os.pathsep + env['PATH']
     if prepend_prefix:
         env['PATH'] = prefix + os.pathsep + env['PATH']
     return env