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# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
# Author: Alex Turbov
if(NOT EXISTS "${CMAKE_SYSROOT}/etc/debian_version")
return()
endif()
# Get the first string only
file(
STRINGS "${CMAKE_SYSROOT}/etc/debian_version" CMAKE_GET_OS_RELEASE_FALLBACK_CONTENT
LIMIT_COUNT 1
)
#
# Example:
# 6.0.10 # Old debian
# wheezy/sid # Ubuntu
#
if(CMAKE_GET_OS_RELEASE_FALLBACK_CONTENT MATCHES "[0-9]+(\.[0-9]+)*")
set(CMAKE_GET_OS_RELEASE_FALLBACK_RESULT_NAME Debian)
set(CMAKE_GET_OS_RELEASE_FALLBACK_RESULT_ID debian)
set(CMAKE_GET_OS_RELEASE_FALLBACK_RESULT_VERSION ${CMAKE_GET_OS_RELEASE_FALLBACK_CONTENT})
set(CMAKE_GET_OS_RELEASE_FALLBACK_RESULT_VERSION_ID ${CMAKE_GET_OS_RELEASE_FALLBACK_CONTENT})
list(
APPEND CMAKE_GET_OS_RELEASE_FALLBACK_RESULT
CMAKE_GET_OS_RELEASE_FALLBACK_RESULT_NAME
CMAKE_GET_OS_RELEASE_FALLBACK_RESULT_ID
CMAKE_GET_OS_RELEASE_FALLBACK_RESULT_VERSION
CMAKE_GET_OS_RELEASE_FALLBACK_RESULT_VERSION_ID
)
endif()
unset(CMAKE_GET_OS_RELEASE_FALLBACK_CONTENT)
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