Allow a static build of redis

Author: charypar

redis/CMakeLists.txt

@@ -15,5 +15,12 @@ ENDIF ()
 
 # Compile and link libgit2
 INCLUDE_DIRECTORIES(${LIBGIT2_INCLUDE_DIRS} ${LIBHIREDIS_INCLUDE_DIRS})
-ADD_LIBRARY(git2-redis hiredis.c)
+
+ADD_LIBRARY(core OBJECT hiredis.c)
+IF (BUILD_SHARED_LIBS)
+    ADD_LIBRARY(git2-redis SHARED $<TARGET_OBJECTS:core>)
+ELSE ()
+    ADD_LIBRARY(git2-redis STATIC $<TARGET_OBJECTS:core>)
+ENDIF ()
+
 TARGET_LINK_LIBRARIES(git2-redis ${LIBGIT2_LIBRARIES} ${LIBHIREDIS_LIBRARIES})