[libc++][NFC] Use consistent layout for license in Python files

Most Python files were using `# === [...]` instead of `#=== [...]`
so I went with what was the most common in the codebase.

libcxx/test/libcxx/clang_modules_include.gen.py

@@ -1,10 +1,10 @@
-#===----------------------------------------------------------------------===##
+# ===----------------------------------------------------------------------===##
 #
 # Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 # See https://llvm.org/LICENSE.txt for license information.
 # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 #
-#===----------------------------------------------------------------------===##
+# ===----------------------------------------------------------------------===##
 
 # Test that we can include each header in a TU while using modules.
 # This is important notably because the LLDB data formatters use

libcxx/test/libcxx/clang_tidy.gen.py

@@ -1,10 +1,10 @@
-#===----------------------------------------------------------------------===##
+# ===----------------------------------------------------------------------===##
 #
 # Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 # See https://llvm.org/LICENSE.txt for license information.
 # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 #
-#===----------------------------------------------------------------------===##
+# ===----------------------------------------------------------------------===##
 
 # Run our custom libc++ clang-tidy checks on all public headers.
 

libcxx/test/libcxx/double_include.gen.py

@@ -1,10 +1,10 @@
-#===----------------------------------------------------------------------===##
+# ===----------------------------------------------------------------------===##
 #
 # Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 # See https://llvm.org/LICENSE.txt for license information.
 # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 #
-#===----------------------------------------------------------------------===##
+# ===----------------------------------------------------------------------===##
 
 # Test that we can include each header in two TU's and link them together.
 

libcxx/test/libcxx/header_inclusions.gen.py

@@ -1,10 +1,10 @@
-#===----------------------------------------------------------------------===##
+# ===----------------------------------------------------------------------===##
 #
 # Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 # See https://llvm.org/LICENSE.txt for license information.
 # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 #
-#===----------------------------------------------------------------------===##
+# ===----------------------------------------------------------------------===##
 
 # Test that all headers include all the other headers they're supposed to, as
 # prescribed by the Standard.

libcxx/test/libcxx/libcpp_version.gen.py

@@ -1,10 +1,10 @@
-#===----------------------------------------------------------------------===##
+# ===----------------------------------------------------------------------===##
 #
 # Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 # See https://llvm.org/LICENSE.txt for license information.
 # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 #
-#===----------------------------------------------------------------------===##
+# ===----------------------------------------------------------------------===##
 
 # Test that all headers define the _LIBCPP_VERSION macro.
 

libcxx/test/libcxx/no_assert_include.gen.py

@@ -1,10 +1,10 @@
-#===----------------------------------------------------------------------===##
+# ===----------------------------------------------------------------------===##
 #
 # Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 # See https://llvm.org/LICENSE.txt for license information.
 # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 #
-#===----------------------------------------------------------------------===##
+# ===----------------------------------------------------------------------===##
 
 # Ensure that none of the standard C++ headers implicitly include cassert or
 # assert.h (because assert() is implemented as a macro).

libcxx/test/libcxx/system_reserved_names.gen.py

@@ -1,10 +1,10 @@
-#===----------------------------------------------------------------------===##
+# ===----------------------------------------------------------------------===##
 #
 # Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 # See https://llvm.org/LICENSE.txt for license information.
 # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 #
-#===----------------------------------------------------------------------===##
+# ===----------------------------------------------------------------------===##
 
 # Test that headers are not tripped up by the surrounding code defining various
 # alphabetic macros. Also ensure that we don't swallow the definition of user

libcxx/test/libcxx/transitive_includes.gen.py

@@ -1,10 +1,10 @@
-#===----------------------------------------------------------------------===##
+# ===----------------------------------------------------------------------===##
 #
 # Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 # See https://llvm.org/LICENSE.txt for license information.
 # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 #
-#===----------------------------------------------------------------------===##
+# ===----------------------------------------------------------------------===##
 
 # Test that we don't remove transitive includes of public C++ headers in the library accidentally.
 # When we remove a transitive public include, clients tend to break because they don't always

libcxx/utils/adb_run.py

@@ -1,11 +1,11 @@
 #!/usr/bin/env python3
-#===----------------------------------------------------------------------===##
+# ===----------------------------------------------------------------------===##
 #
 # Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 # See https://llvm.org/LICENSE.txt for license information.
 # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 #
-#===----------------------------------------------------------------------===##
+# ===----------------------------------------------------------------------===##
 
 """adb_run.py is a utility for running a libc++ test program via adb.
 """

libcxx/utils/ci/Dockerfile

@@ -1,10 +1,10 @@
-#===----------------------------------------------------------------------===##
+# ===----------------------------------------------------------------------===##
 #
 # Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 # See https://llvm.org/LICENSE.txt for license information.
 # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 #
-#===----------------------------------------------------------------------===##
+# ===----------------------------------------------------------------------===##
 #
 # This file defines the buildkite and github actions builder images.
 # You can build both images using:

libcxx/utils/ci/apple-install-libcxx.sh

@@ -1,11 +1,11 @@
 #!/usr/bin/env bash
-#===----------------------------------------------------------------------===##
+# ===----------------------------------------------------------------------===##
 #
 # Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 # See https://llvm.org/LICENSE.txt for license information.
 # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 #
-#===----------------------------------------------------------------------===##
+# ===----------------------------------------------------------------------===##
 
 set -e
 

libcxx/utils/ci/build-picolibc.sh

@@ -1,11 +1,11 @@
 #!/usr/bin/env bash
-#===----------------------------------------------------------------------===##
+# ===----------------------------------------------------------------------===##
 #
 # Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 # See https://llvm.org/LICENSE.txt for license information.
 # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 #
-#===----------------------------------------------------------------------===##
+# ===----------------------------------------------------------------------===##
 
 #
 # This script builds picolibc (https://github.com/picolibc/picolibc) from

libcxx/utils/ci/buildkite-pipeline.yml

@@ -1,10 +1,10 @@
-#===----------------------------------------------------------------------===##
+# ===----------------------------------------------------------------------===##
 #
 # Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 # See https://llvm.org/LICENSE.txt for license information.
 # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 #
-#===----------------------------------------------------------------------===##
+# ===----------------------------------------------------------------------===##
 
 #
 # This file describes the various pre-commit CI bots used to test libc++.

libcxx/utils/ci/run-buildbot

@@ -1,11 +1,11 @@
 #!/usr/bin/env bash
-#===----------------------------------------------------------------------===##
+# ===----------------------------------------------------------------------===##
 #
 # Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 # See https://llvm.org/LICENSE.txt for license information.
 # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 #
-#===----------------------------------------------------------------------===##
+# ===----------------------------------------------------------------------===##
 
 set -ex
 set -o pipefail

libcxx/utils/ci/vendor/android/Dockerfile.emulator

@@ -1,10 +1,10 @@
-#===----------------------------------------------------------------------===##
+# ===----------------------------------------------------------------------===##
 #
 # Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 # See https://llvm.org/LICENSE.txt for license information.
 # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 #
-#===----------------------------------------------------------------------===##
+# ===----------------------------------------------------------------------===##
 
 FROM ubuntu:jammy
 

libcxx/utils/ci/vendor/android/build-emulator-images.sh

@@ -1,11 +1,11 @@
 #!/usr/bin/env bash
-#===----------------------------------------------------------------------===##
+# ===----------------------------------------------------------------------===##
 #
 # Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 # See https://llvm.org/LICENSE.txt for license information.
 # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 #
-#===----------------------------------------------------------------------===##
+# ===----------------------------------------------------------------------===##
 
 set -e
 

libcxx/utils/ci/vendor/android/container-setup.sh

@@ -1,11 +1,11 @@
 #!/usr/bin/env bash
-#===----------------------------------------------------------------------===##
+# ===----------------------------------------------------------------------===##
 #
 # Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 # See https://llvm.org/LICENSE.txt for license information.
 # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 #
-#===----------------------------------------------------------------------===##
+# ===----------------------------------------------------------------------===##
 
 set -e
 

libcxx/utils/ci/vendor/android/emulator-entrypoint.sh

@@ -1,11 +1,11 @@
 #!/usr/bin/env bash
-#===----------------------------------------------------------------------===##
+# ===----------------------------------------------------------------------===##
 #
 # Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 # See https://llvm.org/LICENSE.txt for license information.
 # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 #
-#===----------------------------------------------------------------------===##
+# ===----------------------------------------------------------------------===##
 
 # This script is the entrypoint of an Android Emulator Docker container.
 

libcxx/utils/ci/vendor/android/emulator-functions.sh

@@ -1,10 +1,10 @@
-#===----------------------------------------------------------------------===##
+# ===----------------------------------------------------------------------===##
 #
 # Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 # See https://llvm.org/LICENSE.txt for license information.
 # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 #
-#===----------------------------------------------------------------------===##
+# ===----------------------------------------------------------------------===##
 
 # Bash functions for managing the names of emulator system images.
 

libcxx/utils/ci/vendor/android/emulator-wait-for-ready.sh

@@ -1,11 +1,11 @@
 #!/usr/bin/env bash
-#===----------------------------------------------------------------------===##
+# ===----------------------------------------------------------------------===##
 #
 # Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 # See https://llvm.org/LICENSE.txt for license information.
 # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 #
-#===----------------------------------------------------------------------===##
+# ===----------------------------------------------------------------------===##
 
 set -ex
 

libcxx/utils/ci/vendor/android/setup-env-for-emulator.sh

@@ -1,10 +1,10 @@
-#===----------------------------------------------------------------------===##
+# ===----------------------------------------------------------------------===##
 #
 # Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 # See https://llvm.org/LICENSE.txt for license information.
 # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 #
-#===----------------------------------------------------------------------===##
+# ===----------------------------------------------------------------------===##
 
 export ADB_SERVER_SOCKET="tcp:$(docker inspect \
     -f '{{range.NetworkSettings.Networks}}{{.IPAddress}}{{end}}' \

libcxx/utils/ci/vendor/android/start-emulator.sh

@@ -1,11 +1,11 @@
 #!/usr/bin/env bash
-#===----------------------------------------------------------------------===##
+# ===----------------------------------------------------------------------===##
 #
 # Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 # See https://llvm.org/LICENSE.txt for license information.
 # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 #
-#===----------------------------------------------------------------------===##
+# ===----------------------------------------------------------------------===##
 
 # Starts a new Docker container using a Docker image containing the Android
 # Emulator and an OS image. Stops and removes the old container if it exists

libcxx/utils/ci/vendor/android/stop-emulator.sh

@@ -1,11 +1,11 @@
 #!/usr/bin/env bash
-#===----------------------------------------------------------------------===##
+# ===----------------------------------------------------------------------===##
 #
 # Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 # See https://llvm.org/LICENSE.txt for license information.
 # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 #
-#===----------------------------------------------------------------------===##
+# ===----------------------------------------------------------------------===##
 
 set -e
 

libcxx/utils/libcxx/test/android.py

@@ -1,10 +1,10 @@
-#===----------------------------------------------------------------------===##
+# ===----------------------------------------------------------------------===##
 #
 # Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 # See https://llvm.org/LICENSE.txt for license information.
 # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 #
-#===----------------------------------------------------------------------===##
+# ===----------------------------------------------------------------------===##
 
 import re
 import select