added needed -fPIC compilation option for Linux

Author: lamorlette-cintoo

CMakeLists.txt

@@ -20,13 +20,14 @@ OPTION(BUILD_VIEWER_APPLICATION "Build the viewer example application" ON)
 OPTION(BUILD_STATIC_LIBRARY "Build static library" ON)
 
 IF(NOT WIN32)
-IF("${CMAKE_BUILD_TYPE}" MATCHES "Debug")
-  IF(CMAKE_COMPILER_IS_GNUCXX)
-    SET_PROPERTY(DIRECTORY APPEND PROPERTY  
-      COMPILE_DEFINITIONS $<$<CONFIG:Debug>:_DEBUG>
-    )
-  ENDIF()
-ENDIF()
+    IF("${CMAKE_BUILD_TYPE}" MATCHES "Debug")
+        IF(CMAKE_COMPILER_IS_GNUCXX)
+            SET_PROPERTY(DIRECTORY APPEND PROPERTY
+                COMPILE_DEFINITIONS $<$<CONFIG:Debug>:_DEBUG>
+            )
+        ENDIF()
+    ENDIF()
+    set(CMAKE_POSITION_INDEPENDENT_CODE ON)
 ELSE(NOT WIN32)
 	SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /MP")
 ENDIF(NOT WIN32)