* Fix building in case LUA is not available on the platform

configure.ac

@@ -110,9 +110,17 @@ AC_ARG_ENABLE(giop,
   [  --enable-giop           Use the GIOP protocol],
   [ AC_DEFINE([__PO_HI_USE_GIOP], [], ["Enable the GIOP protocol"])])
 
+HAS_LUA_=
+
 AC_ARG_ENABLE(lua,
   [  --enable-lua            Use the LUA script engine],
-  [ AC_DEFINE([__PO_HI_USE_LUA], [], ["Enable the LUA script engine"])])
+  [ AC_DEFINE([__PO_HI_USE_LUA], [], ["Enable the LUA script engine"])
+if [[ "$enableval" = "yes" ]]; then
+        HAS_LUA_=true
+fi])
+
+AC_SUBST(HAS_LUA_)
+AM_CONDITIONAL(HAS_LUA, [test ! "x$HAS_LUA_" = "x"])
 
 ############################################
 # Set the value corresponding to cygpath -u
@@ -158,14 +166,14 @@ dnl may, one day, be edited automatically to remove
 dnl some entries.
 
 AC_OUTPUT([
-	Makefile 
-	doc/Makefile 
-	src/Makefile 
-	src/drivers/Makefile 
-	src/drivers/configuration/Makefile 
-	include/Makefile 
-	include/drivers/Makefile 
-	include/drivers/configuration/Makefile 
+	Makefile
+	doc/Makefile
+	src/Makefile
+	src/drivers/Makefile
+	src/drivers/configuration/Makefile
+	include/Makefile
+	include/drivers/Makefile
+	include/drivers/configuration/Makefile
 	examples/Makefile
 	examples/aadlv1/Makefile
 	examples/aadlv1/d3.1.3-1/Makefile
@@ -175,7 +183,7 @@ AC_OUTPUT([
 	examples/aadlv1/sunseeker/Makefile
 	examples/aadlv2/Makefile
 	examples/aadlv2/d3.1.3-1/Makefile
-	examples/aadlv2/import/Makefile	
+	examples/aadlv2/import/Makefile
 	examples/aadlv2/ping/Makefile
 	examples/aadlv2/lua/Makefile
 	examples/aadlv2/producer-consumer/Makefile
@@ -187,7 +195,7 @@ AC_OUTPUT([
 	examples/aadlv2/some-types/Makefile
 	examples/aadlv2/some-types-stdint/Makefile
 	examples/aadlv2/sunseeker/Makefile
-	tools/Makefile 
+	tools/Makefile
 	tools/check-symbols/Makefile
 	tools/check-symbols/examples/Makefile
 	tools/check-symbols/examples/malloc/Makefile

examples/aadlv2/lua/Makefile.am

@@ -3,9 +3,11 @@ AADL_FILES = \
 	$(srcdir)/lua-ping.aadl \
 	$(srcdir)/lua-simple.aadl
 
+if HAS_LUA
 SCENARIO_FILES = \
 	$(srcdir)/scenario.aadl \
-	$(srcdir)/scenario-ping.aadl 
+	$(srcdir)/scenario-ping.aadl
+endif
 
 include $(srcdir)/../../Makefile.common
 

share/lua/libs/Makefile.am

 AUTOMAKE_OPTIONS = no-dependencies
 
-LIBS_FILES =   $(srcdir)/liblua-linux64.a           \
-               $(srcdir)/liblua-linux32.a           \
-	            $(srcdir)/liblua-leon.a
+LIBS_FILES = $(srcdir)/liblua-linux64.a $(srcdir)/liblua-linux32.a	\
+               $(srcdir)/liblua-leon.a $(srcdir)/liblua-leon-rtems48.a
 
 libdest = ${shell $(CYGPATH_U) '$(OCARINA_RUNTIME)/polyorb-hi-c/libs'}