Fix search_varfb_instance_decl to be able to find variables and FB when only given an identifier.
Fix handling of FB calls in stage3.
Start handling of function invocations in stage3.
include ../../common.mk
lib_LIBRARIES = libstage4_iec.a
libstage4_iec_a_SOURCES = generate_iec.cc
libstage4_iec_a_LIBADD = ../stage4.o
libstage4_iec_a_cppflags = -I../../../absyntax