Add more missing license headers

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@258198 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/src/include/atomic_support.h b/src/include/atomic_support.h
index dbf3b9c..8b719c5 100644
--- a/src/include/atomic_support.h
+++ b/src/include/atomic_support.h
@@ -1,3 +1,12 @@
+//===----------------------------------------------------------------------===////
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===////
+
 #ifndef ATOMIC_SUPPORT_H
 #define ATOMIC_SUPPORT_H
 
diff --git a/utils/gen_link_script/gen_link_script.py b/utils/gen_link_script/gen_link_script.py
index 5de18f9..9f1f0b7 100755
--- a/utils/gen_link_script/gen_link_script.py
+++ b/utils/gen_link_script/gen_link_script.py
@@ -1,4 +1,13 @@
 #!/usr/bin/env python
+#===----------------------------------------------------------------------===##
+#
+#                     The LLVM Compiler Infrastructure
+#
+# This file is dual licensed under the MIT and the University of Illinois Open
+# Source Licenses. See LICENSE.TXT for details.
+#
+#===----------------------------------------------------------------------===##
+
 import os
 import sys
 
diff --git a/utils/not/not.py b/utils/not/not.py
index 96e4ea7..d9ceb85 100644
--- a/utils/not/not.py
+++ b/utils/not/not.py
@@ -1,3 +1,12 @@
+#===----------------------------------------------------------------------===##
+#
+#                     The LLVM Compiler Infrastructure
+#
+# This file is dual licensed under the MIT and the University of Illinois Open
+# Source Licenses. See LICENSE.TXT for details.
+#
+#===----------------------------------------------------------------------===##
+
 """not.py is a utility for inverting the return code of commands.
 It acts similar to llvm/utils/not.
 ex: python /path/to/not.py ' echo hello
diff --git a/utils/sym_check/sym_check/__init__.py b/utils/sym_check/sym_check/__init__.py
index 3c66803..1aa2b45 100644
--- a/utils/sym_check/sym_check/__init__.py
+++ b/utils/sym_check/sym_check/__init__.py
@@ -1,3 +1,12 @@
+#===----------------------------------------------------------------------===##
+#
+#                     The LLVM Compiler Infrastructure
+#
+# This file is dual licensed under the MIT and the University of Illinois Open
+# Source Licenses. See LICENSE.TXT for details.
+#
+#===----------------------------------------------------------------------===##
+
 """libcxx abi symbol checker"""
 
 __author__ = 'Eric Fiselier'
diff --git a/utils/sym_check/sym_check/diff.py b/utils/sym_check/sym_check/diff.py
index a16e54d..6502a48 100644
--- a/utils/sym_check/sym_check/diff.py
+++ b/utils/sym_check/sym_check/diff.py
@@ -1,4 +1,12 @@
 # -*- Python -*- vim: set syntax=python tabstop=4 expandtab cc=80:
+#===----------------------------------------------------------------------===##
+#
+#                     The LLVM Compiler Infrastructure
+#
+# This file is dual licensed under the MIT and the University of Illinois Open
+# Source Licenses. See LICENSE.TXT for details.
+#
+#===----------------------------------------------------------------------===##
 """
 diff - A set of functions for diff-ing two symbol lists.
 """
diff --git a/utils/sym_check/sym_check/extract.py b/utils/sym_check/sym_check/extract.py
index b4f4cee..7bafd8e 100644
--- a/utils/sym_check/sym_check/extract.py
+++ b/utils/sym_check/sym_check/extract.py
@@ -1,4 +1,12 @@
 # -*- Python -*- vim: set syntax=python tabstop=4 expandtab cc=80:
+#===----------------------------------------------------------------------===##
+#
+#                     The LLVM Compiler Infrastructure
+#
+# This file is dual licensed under the MIT and the University of Illinois Open
+# Source Licenses. See LICENSE.TXT for details.
+#
+#===----------------------------------------------------------------------===##
 """
 extract - A set of function that extract symbol lists from shared libraries.
 """
diff --git a/utils/sym_check/sym_check/match.py b/utils/sym_check/sym_check/match.py
index 9f49642..fae400e 100644
--- a/utils/sym_check/sym_check/match.py
+++ b/utils/sym_check/sym_check/match.py
@@ -1,4 +1,12 @@
 # -*- Python -*- vim: set syntax=python tabstop=4 expandtab cc=80:
+#===----------------------------------------------------------------------===##
+#
+#                     The LLVM Compiler Infrastructure
+#
+# This file is dual licensed under the MIT and the University of Illinois Open
+# Source Licenses. See LICENSE.TXT for details.
+#
+#===----------------------------------------------------------------------===##
 """
 match - A set of functions for matching symbols in a list to a list of regexs
 """
diff --git a/utils/sym_check/sym_check/util.py b/utils/sym_check/sym_check/util.py
index 1d3b424..6ae71b0 100644
--- a/utils/sym_check/sym_check/util.py
+++ b/utils/sym_check/sym_check/util.py
@@ -1,3 +1,12 @@
+#===----------------------------------------------------------------------===##
+#
+#                     The LLVM Compiler Infrastructure
+#
+# This file is dual licensed under the MIT and the University of Illinois Open
+# Source Licenses. See LICENSE.TXT for details.
+#
+#===----------------------------------------------------------------------===##
+
 import ast
 import distutils.spawn
 import signal
diff --git a/utils/sym_check/sym_diff.py b/utils/sym_check/sym_diff.py
index 054c6c1..69c3400 100755
--- a/utils/sym_check/sym_diff.py
+++ b/utils/sym_check/sym_diff.py
@@ -1,7 +1,16 @@
 #!/usr/bin/env python
+#===----------------------------------------------------------------------===##
+#
+#                     The LLVM Compiler Infrastructure
+#
+# This file is dual licensed under the MIT and the University of Illinois Open
+# Source Licenses. See LICENSE.TXT for details.
+#
+#===----------------------------------------------------------------------===##
 """
 sym_diff - Compare two symbol lists and output the differences.
 """
+
 from argparse import ArgumentParser
 import sys
 from sym_check import diff, util
diff --git a/utils/sym_check/sym_extract.py b/utils/sym_check/sym_extract.py
index 5d89539..a0fbb3e 100755
--- a/utils/sym_check/sym_extract.py
+++ b/utils/sym_check/sym_extract.py
@@ -1,4 +1,12 @@
 #!/usr/bin/env python
+#===----------------------------------------------------------------------===##
+#
+#                     The LLVM Compiler Infrastructure
+#
+# This file is dual licensed under the MIT and the University of Illinois Open
+# Source Licenses. See LICENSE.TXT for details.
+#
+#===----------------------------------------------------------------------===##
 """
 sym_extract - Extract and output a list of symbols from a shared library.
 """
diff --git a/utils/sym_check/sym_match.py b/utils/sym_check/sym_match.py
index c60b246..231bdc8 100755
--- a/utils/sym_check/sym_match.py
+++ b/utils/sym_check/sym_match.py
@@ -1,4 +1,13 @@
 #!/usr/bin/env python
+#===----------------------------------------------------------------------===##
+#
+#                     The LLVM Compiler Infrastructure
+#
+# This file is dual licensed under the MIT and the University of Illinois Open
+# Source Licenses. See LICENSE.TXT for details.
+#
+#===----------------------------------------------------------------------===##
+
 """
 sym_match - Match all symbols in a list against a list of regexes.
 """