Index: plplot-5.15.0/bindings/ada/CMakeLists.txt
===================================================================
--- plplot-5.15.0.orig/bindings/ada/CMakeLists.txt
+++ plplot-5.15.0/bindings/ada/CMakeLists.txt
@@ -18,6 +18,10 @@
 
 if(ENABLE_ada)
 
+  IF(CMAKE_SYSTEM_PROCESSOR MATCHES "x86_64")
+    ADD_DEFINITIONS(-fPIC)
+  ENDIF(CMAKE_SYSTEM_PROCESSOR MATCHES "x86_64")
+
   # Specification files containing, e.g., variables, types, and subprogramme (subprocedure) declarations.
   set(SPEC_SOURCE_LIST
     plplot.ads