Add some library versioning.

---
 CMakeLists.txt |    6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

Index: SDL_bgi-2.4.1/CMakeLists.txt
===================================================================
--- SDL_bgi-2.4.1.orig/CMakeLists.txt
+++ SDL_bgi-2.4.1/CMakeLists.txt
@@ -21,9 +21,6 @@ include_directories (SDL_bgi ${SDL2_INCL
 # Default install directory variables
 include (GNUInstallDirs)
 
-# fix stupid bug on Linux
-string (STRIP ${SDL2_LIBRARIES} SDL2_LIBRARIES)
-
 # Find source files
 file (GLOB SOURCES src/*.c)
 
@@ -32,8 +29,9 @@ include_directories (src)
 
 # Create shared library
 add_library (${PROJECT_NAME} SHARED ${SOURCES})
+set_target_properties(${PROJECT_NAME} PROPERTIES SOVERSION suse7)
 # fix provided by Austin Hurst
-target_link_libraries (SDL_bgi ${SDL2_LIBRARIES})
+target_link_libraries (SDL_bgi -lm ${SDL2_LIBRARIES})
 
 # Install library
 install (TARGETS ${PROJECT_NAME}