[Offload][NFC] Remove header license in CMake files

[jhuber6]

Summary:
No other project has these in the CMake itself, and they're wildly
inconsistent even within the project. These don't really add anything so
I think they should be removed.

[llvmbot]

@llvm/pr-subscribers-offload

@llvm/pr-subscribers-backend-amdgpu

Author: Joseph Huber (jhuber6)

Changes

Summary:
No other project has these in the CMake itself, and they're wildly
inconsistent even within the project. These don't really add anything so
I think they should be removed.

---

Full diff: https://github.com/llvm/llvm-project/pull/92544.diff

12 Files Affected:

• (modified) offload/CMakeLists.txt (+2-11)
• (modified) offload/DeviceRTL/CMakeLists.txt (-12)
• (modified) offload/cmake/Modules/LibomptargetGetDependencies.cmake (-10)
• (modified) offload/cmake/Modules/LibomptargetUtils.cmake (-10)
• (modified) offload/plugins-nextgen/CMakeLists.txt (-12)
• (modified) offload/plugins-nextgen/amdgpu/CMakeLists.txt (+1-15)
• (modified) offload/plugins-nextgen/common/CMakeLists.txt (-12)
• (modified) offload/plugins-nextgen/cuda/CMakeLists.txt (-11)
• (modified) offload/src/CMakeLists.txt (-12)
• (modified) offload/tools/CMakeLists.txt (-12)
• (modified) offload/tools/deviceinfo/CMakeLists.txt (-12)
• (modified) offload/tools/kernelreplay/CMakeLists.txt (-12)

diff --git a/offload/CMakeLists.txt b/offload/CMakeLists.txt
index e2a4c2597636e..31adbe45388a8 100644
--- a/offload/CMakeLists.txt
+++ b/offload/CMakeLists.txt
@@ -1,14 +1,5 @@
-##===----------------------------------------------------------------------===##
-#
-# 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
-#
-##===----------------------------------------------------------------------===##
-#
-# Build offloading library and related plugins.
-#
-##===----------------------------------------------------------------------===##
+# See for https://openmp.llvm.org/SupportAndFAQ.html for instructions on how
+# to build offload with CMake.
 
 cmake_minimum_required(VERSION 3.20.0)
 
diff --git a/offload/DeviceRTL/CMakeLists.txt b/offload/DeviceRTL/CMakeLists.txt
index cbc859059100b..ae7d54d127edd 100644
--- a/offload/DeviceRTL/CMakeLists.txt
+++ b/offload/DeviceRTL/CMakeLists.txt
@@ -1,15 +1,3 @@
-##===----------------------------------------------------------------------===##
-#
-# 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
-#
-##===----------------------------------------------------------------------===##
-#
-# Build the DeviceRTL for all toolchains that are available
-#
-##===----------------------------------------------------------------------===##
-
 set(LIBOMPTARGET_BUILD_DEVICERTL_BCLIB TRUE CACHE BOOL
   "Can be set to false to disable building this library.")
 
diff --git a/offload/cmake/Modules/LibomptargetGetDependencies.cmake b/offload/cmake/Modules/LibomptargetGetDependencies.cmake
index bbf2b9836c709..e37b86b2a81fa 100644
--- a/offload/cmake/Modules/LibomptargetGetDependencies.cmake
+++ b/offload/cmake/Modules/LibomptargetGetDependencies.cmake
@@ -1,13 +1,3 @@
-#
-#//===----------------------------------------------------------------------===//
-#//
-#// 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
-#//
-#//===----------------------------------------------------------------------===//
-#
-
 # Try to detect in the system several dependencies required by the different
 # components of libomptarget. These are the dependencies we have:
 #
diff --git a/offload/cmake/Modules/LibomptargetUtils.cmake b/offload/cmake/Modules/LibomptargetUtils.cmake
index 7339cc0b56edd..57682dc8e367d 100644
--- a/offload/cmake/Modules/LibomptargetUtils.cmake
+++ b/offload/cmake/Modules/LibomptargetUtils.cmake
@@ -1,13 +1,3 @@
-#
-#//===----------------------------------------------------------------------===//
-#//
-#// 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
-#//
-#//===----------------------------------------------------------------------===//
-#
-
 # void libomptarget_say(string message_to_user);
 # - prints out message_to_user
 macro(libomptarget_say message_to_user)
diff --git a/offload/plugins-nextgen/CMakeLists.txt b/offload/plugins-nextgen/CMakeLists.txt
index 79f1c6dc66e85..5d684420c2901 100644
--- a/offload/plugins-nextgen/CMakeLists.txt
+++ b/offload/plugins-nextgen/CMakeLists.txt
@@ -1,15 +1,3 @@
-##===----------------------------------------------------------------------===##
-#
-# 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
-#
-##===----------------------------------------------------------------------===##
-#
-# Build plugins for the user system if available.
-#
-##===----------------------------------------------------------------------===##
-
 # Common interface to handle creating a plugin library.
 set(common_dir ${CMAKE_CURRENT_SOURCE_DIR}/common)
 add_subdirectory(common)
diff --git a/offload/plugins-nextgen/amdgpu/CMakeLists.txt b/offload/plugins-nextgen/amdgpu/CMakeLists.txt
index 280cb57e22e90..4a79fa83420c8 100644
--- a/offload/plugins-nextgen/amdgpu/CMakeLists.txt
+++ b/offload/plugins-nextgen/amdgpu/CMakeLists.txt
@@ -1,18 +1,4 @@
-##===----------------------------------------------------------------------===##
-#
-#                     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.
-#
-##===----------------------------------------------------------------------===##
-#
-# Build a plugin for an AMDGPU machine if available.
-#
-##===----------------------------------------------------------------------===##
-
-################################################################################
-# as of rocm-3.7, hsa is installed with cmake packages and kmt is found via hsa
+# As of rocm-3.7, hsa is installed with cmake packages and kmt is found via hsa
 find_package(hsa-runtime64 QUIET 1.2.0 HINTS ${CMAKE_INSTALL_PREFIX} PATHS /opt/rocm)
 
 if(NOT (CMAKE_SYSTEM_PROCESSOR MATCHES "(x86_64)|(ppc64le)|(aarch64)$" AND CMAKE_SYSTEM_NAME MATCHES "Linux"))
diff --git a/offload/plugins-nextgen/common/CMakeLists.txt b/offload/plugins-nextgen/common/CMakeLists.txt
index 6064468ea5b57..43e08d575a4ac 100644
--- a/offload/plugins-nextgen/common/CMakeLists.txt
+++ b/offload/plugins-nextgen/common/CMakeLists.txt
@@ -1,15 +1,3 @@
-##===----------------------------------------------------------------------===##
-#
-# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-# See https://llvm.org/LICENSE.txt for license information.
-# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-#
-##===----------------------------------------------------------------------===##
-#
-# Common parts which can be used by all plugins
-#
-##===----------------------------------------------------------------------===##
-
 # NOTE: Don't try to build `PluginInterface` using `add_llvm_library` because we
 # don't want to export `PluginInterface` while `add_llvm_library` requires that.
 add_library(PluginCommon OBJECT
diff --git a/offload/plugins-nextgen/cuda/CMakeLists.txt b/offload/plugins-nextgen/cuda/CMakeLists.txt
index 3f3388e56c5fe..4be33c6b69dce 100644
--- a/offload/plugins-nextgen/cuda/CMakeLists.txt
+++ b/offload/plugins-nextgen/cuda/CMakeLists.txt
@@ -1,14 +1,3 @@
-##===----------------------------------------------------------------------===##
-#
-# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-# See https://llvm.org/LICENSE.txt for license information.
-# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-#
-##===----------------------------------------------------------------------===##
-#
-# Build a plugin for a CUDA machine if available.
-#
-##===----------------------------------------------------------------------===##
 if (NOT (CMAKE_SYSTEM_PROCESSOR MATCHES "(x86_64)|(ppc64le)|(aarch64)$" AND CMAKE_SYSTEM_NAME MATCHES "Linux"))
   libomptarget_say("Not building CUDA NextGen offloading plugin: only support CUDA in Linux x86_64, ppc64le, or aarch64 hosts.")
   return()
diff --git a/offload/src/CMakeLists.txt b/offload/src/CMakeLists.txt
index c5338130297fe..590fb650c0ae8 100644
--- a/offload/src/CMakeLists.txt
+++ b/offload/src/CMakeLists.txt
@@ -1,15 +1,3 @@
-##===----------------------------------------------------------------------===##
-#
-# 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
-#
-##===----------------------------------------------------------------------===##
-#
-# Build offloading library libomptarget.so.
-#
-##===----------------------------------------------------------------------===##
-
 libomptarget_say("Building offloading runtime library libomptarget.")
 
 if(LIBOMP_STANDALONE)
diff --git a/offload/tools/CMakeLists.txt b/offload/tools/CMakeLists.txt
index a850647fbd58e..13772a4a675e5 100644
--- a/offload/tools/CMakeLists.txt
+++ b/offload/tools/CMakeLists.txt
@@ -1,15 +1,3 @@
-##===----------------------------------------------------------------------===##
-#
-# 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
-#
-##===----------------------------------------------------------------------===##
-#
-# Adding omptarget tools
-#
-##===----------------------------------------------------------------------===##
-
 set(OPENMP_TOOLS_INSTALL_DIR "${CMAKE_INSTALL_BINDIR}" CACHE PATH
     "Path for binary subdirectory (defaults to '${CMAKE_INSTALL_BINDIR}')")
 mark_as_advanced(OPENMP_TOOLS_INSTALL_DIR)
diff --git a/offload/tools/deviceinfo/CMakeLists.txt b/offload/tools/deviceinfo/CMakeLists.txt
index 62d36d7cc92f0..b83f02fd6eb9b 100644
--- a/offload/tools/deviceinfo/CMakeLists.txt
+++ b/offload/tools/deviceinfo/CMakeLists.txt
@@ -1,15 +1,3 @@
-##===----------------------------------------------------------------------===##
-#
-# 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
-#
-##===----------------------------------------------------------------------===##
-#
-# Build llvm-omp-device-info tool
-#
-##===----------------------------------------------------------------------===##
-
 libomptarget_say("Building the llvm-omp-device-info tool")
 
 add_openmp_tool(llvm-omp-device-info llvm-omp-device-info.cpp)
diff --git a/offload/tools/kernelreplay/CMakeLists.txt b/offload/tools/kernelreplay/CMakeLists.txt
index 6f3dc33d6736a..ae0c5caac4c9a 100644
--- a/offload/tools/kernelreplay/CMakeLists.txt
+++ b/offload/tools/kernelreplay/CMakeLists.txt
@@ -1,15 +1,3 @@
-##===----------------------------------------------------------------------===##
-#
-# 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
-#
-##===----------------------------------------------------------------------===##
-#
-# Build llvm-omp-kernel-replay tool
-#
-##===----------------------------------------------------------------------===##
-
 libomptarget_say("Building the llvm-omp-kernel-replay tool")
 
 add_openmp_tool(llvm-omp-kernel-replay llvm-omp-kernel-replay.cpp)

[shiltian]

why not :-)