Use AM_CFLAGS and be a little bit more friendly to non-GNU make programs.

Makefile.am.template

@@ -9,7 +9,7 @@ lib_LTLIBRARIES = libALBERTA%LIBCODE%.la
 include $(srcdir)/../%DIM%d/Makefile.am.include
 include $(srcdir)/../Common/Makefile.am.include
 
-override CFLAGS := $(CFLAGS) $(ALBERTA_%EFLAGS%_CFLAGS)
+AM_CFLAGS = $(ALBERTA_%EFLAGS%_CFLAGS)
 libALBERTA%LIBCODE%_la_LIBADD = $(X_PRE_LIBS) $(X_LIBS) $(X_EXTRA_LIBS) 
 
 nodist_libALBERTA%LIBCODE%_la_SOURCES = $(sources_common) $(sources)