patch for regex bug.

gistfile1.txt

diff --git a/packages/machine-usp-x86/build.py b/packages/machine-usp-x86/build.py
index 030f67a..28a156f 100644
--- a/packages/machine-usp-x86/build.py
+++ b/packages/machine-usp-x86/build.py
@@ -66,6 +66,6 @@ def _get_gcc_options():
 def _get_gcc_version():
     gcc_output = subprocess.check_output(['gcc', '--version']).decode()
     first_line = gcc_output.splitlines()[0]
-    version_str = re.search(' ([0-9]+\.[0-9])+\.[0-9]+$', first_line).group(1)
+    version_str = re.search(' ([0-9]+\.[0-9])+\.[0-9]+ ?.*$', first_line).group(1)