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diff --git a/cmake/Modules/Version.cmake b/cmake/Modules/Version.cmake
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+# Copyright 2013 OSMOCOM Project
+#
+# This file is part of rtl-sdr
+#
+# rtl-sdr is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3, or (at your option)
+# any later version.
+#
+# rtl-sdr is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with rtl-sdr; see the file COPYING. If not, write to
+# the Free Software Foundation, Inc., 51 Franklin Street,
+# Boston, MA 02110-1301, USA.
+
+if(DEFINED __INCLUDED_VERSION_CMAKE)
+ return()
+endif()
+set(__INCLUDED_VERSION_CMAKE TRUE)
+
+# VERSION_INFO_* variables must be provided by user
+set(MAJOR_VERSION ${VERSION_INFO_MAJOR_VERSION})
+set(MINOR_VERSION ${VERSION_INFO_MINOR_VERSION})
+set(PATCH_VERSION ${VERSION_INFO_PATCH_VERSION})
+
+########################################################################
+# Extract the version string from git describe.
+########################################################################
+find_package(Git QUIET)
+
+if(GIT_FOUND)
+ message(STATUS "Extracting version information from git describe...")
+ execute_process(
+ COMMAND ${GIT_EXECUTABLE} describe --always --abbrev=4 --long
+ OUTPUT_VARIABLE GIT_DESCRIBE OUTPUT_STRIP_TRAILING_WHITESPACE
+ WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+ )
+else()
+ set(GIT_DESCRIBE "v${MAJOR_VERSION}.${MINOR_VERSION}.x-xxx-xunknown")
+endif()
+
+########################################################################
+# Use the logic below to set the version constants
+########################################################################
+if("${PATCH_VERSION}" STREQUAL "git")
+ # VERSION: 3.6git-xxx-gxxxxxxxx
+ # LIBVER: 3.6git
+ set(VERSION "${GIT_DESCRIBE}")
+ set(LIBVER "${MAJOR_VERSION}.${MINOR_VERSION}${PATCH_VERSION}")
+else()
+ # This is a numbered release.
+ # VERSION: 3.6.1
+ # LIBVER: 3.6.1
+ set(VERSION "${MAJOR_VERSION}.${MINOR_VERSION}.${PATCH_VERSION}")
+ set(LIBVER "${VERSION}")
+endif()