Add Cmake option to deactivate suffix of so files.

  Force tests to link with the library in build directory.

CMakeLists.txt

@@ -170,7 +170,13 @@ target_include_directories(${PROJECT_NAME}
   $<INSTALL_INTERFACE:include>
   )
 
-SET_TARGET_PROPERTIES(${PROJECT_NAME} PROPERTIES SOVERSION ${PROJECT_VERSION})
+OPTION(SUFFIX_SO_VERSION
+  "Suffix shared library name by a string depending on git status of project"
+  ON)
+
+IF (${SUFFIX_SO_VERSION} EQUAL "ON")
+  SET_TARGET_PROPERTIES(${PROJECT_NAME} PROPERTIES SOVERSION ${PROJECT_VERSION})
+ENDIF ()
 
 IF (UNIX)
   TARGET_LINK_LIBRARIES(${PROJECT_NAME} ${CMAKE_DL_LIBS} pthread)

tests/CMakeLists.txt

@@ -2,6 +2,7 @@
 #
 
 ADD_DEFINITIONS(-DDEBUG=2)
+SET(CMAKE_EXE_LINKER_FLAGS ${CMAKE_EXE_LINKER_FLAGS} -Wl,--disable-new-dtags)
 
 # Add Boost path to include directories.
 #INCLUDE_DIRECTORIES(${Boost_INCLUDE_DIRS})