[CMake] Add SUFFIX_SO_VERSION

fix #200

Author: nim65s

CMakeLists.txt

@@ -45,6 +45,7 @@ ENDIF(WIN32)
 # --- OPTIONS  ---------------------------------------
 # ----------------------------------------------------
 OPTION(INSTALL_DOCUMENTATION "Generate and install the documentation" FALSE)
+OPTION(SUFFIX_SO_VERSION "Suffix library name with its version" OFF)
 
 IF(DEFINED BUILD_UNIT_TESTS)
   MESSAGE(AUTHOR_WARNING "BUILD_UNIT_TESTS is deprecated. Use BUILD_TESTING instead.\
@@ -176,6 +177,10 @@ TARGET_INCLUDE_DIRECTORIES(${PROJECT_NAME}
   $<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}/include>
   $<INSTALL_INTERFACE:include>)
 
+IF(SUFFIX_SO_VERSION)
+  SET_TARGET_PROPERTIES(${PROJECT_NAME} PROPERTIES SOVERSION ${PROJECT_VERSION})
+ENDIF(SUFFIX_SO_VERSION)
+
 IF(NOT WIN32)
   TARGET_COMPILE_OPTIONS(${PROJECT_NAME} PRIVATE $<$<CXX_COMPILER_ID:MSVC>:-bigobj> "-Wno-conversion")
 ELSE()