Fix bug: when checking compatibility between GLOBAL and EXTERNAL variables, must only enforce GLOBAL CONSTANT => EXTERNAL CONSTANT.
Reverse CONSTANT implication is not enforced, and neither is RETAIN compatibility.

include ../../common.mk

lib_LIBRARIES = libstage4_c.a

libstage4_c_a_SOURCES = generate_c.cc 

libstage4_c_a_LIBADD = ../stage4.o

libstage4_c_a_CPPFLAGS = -I../../../absyntax