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# Regex to match license notices at the top of module files.
set(notice_regex [[^# Distributed under the OSI-approved BSD 3-Clause License\. See accompanying
# file Copyright\.txt or https://cmake\.org/licensing for details\.
]])
string(REPLACE "\n" "\r?\n" notice_regex "${notice_regex}")
string(REPLACE "\r\r" "\r" notice_regex "${notice_regex}")
# Modules that do not require our notice.
set(notice_exceptions
FindCUDA.cmake # MIT License, distributed here from upstream project
)
# Load the list of modules to check.
set(dir "@CMake_SOURCE_DIR@/Modules")
file(GLOB all_modules RELATIVE "${dir}" "${dir}/*.cmake")
list(REMOVE_ITEM all_modules ${notice_exceptions})
# Check each module.
set(notice_missing)
foreach(module ${all_modules})
message(STATUS "module: ${module}")
file(READ "${dir}/${module}" module_content)
if(NOT "${module_content}" MATCHES "${notice_regex}")
string(APPEND notice_missing " ${module}\n")
endif()
endforeach()
# Report the list of bad modules.
if(notice_missing)
message(FATAL_ERROR
"Some modules do not have a valid copyright notice:\n${notice_missing}")
endif()
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