diff --git a/OPTYap/CMakeLists.txt b/OPTYap/CMakeLists.txt
new file mode 100644
index 000000000..9b128c1a9
--- /dev/null
+++ b/OPTYap/CMakeLists.txt
@@ -0,0 +1,45 @@
+
+set (OPTYap_SOURCES
+	opt.config.h
+	opt.proto.h
+	opt.structs.h
+	opt.macros.h
+	or.macros.h
+	or.sba_amiops.h
+	or.sba_unify.h
+	tab.structs.h
+	locks_x86.h
+	locks_sparc.h
+	locks_mips.h
+	locks_mips_funcs.h
+	locks_alpha.h
+	locks_alpha_funcs.h
+	locks_pthread.h
+  	or.memory.c
+  	opt.init.c
+  	opt.preds.c
+  	or.copy_engine.c
+  	or.cow_engine.c
+  	or.sba_engine.c
+  	or.thread_engine.c
+  	or.scheduler.c
+	or.cut.c
+	tab.tries.c
+	tab.completion.c
+  )
+
+include_directories (../H ../include .  ${GMP_INCLUDE_DIR}  ${PROJECT_BINARY_DIR})
+
+
+set (POSITION_INDEPENDENT_CODE TRUE)
+
+add_library (libOPTYap  OBJECT
+  ${OPTYap_SOURCES} )
+
+set_target_properties(libOPTYap
+  PROPERTIES
+  #  RPATH ${libdir} VERSION ${LIBYAPTAI_FULL_VERSION}
+  #  SOVERSION ${LIBYAPTAI_MAJOR_VERSION}.${LIBYAPTAI_MINOR_VERSION}
+  POSITION_INDEPENDENT_CODE TRUE
+  OUTPUT_NAME OPTYap
+  )