respect env build settings

--- a/Makefile.rules.in
+++ b/Makefile.rules.in
@@ -1,9 +1,9 @@
 CC	= @CC@
-CFLAGS	= -Wall -fomit-frame-pointer @CFLAGS@ -I$(TOPSRCDIR)
+CFLAGS	= -Wall @CPPFLAGS@ @CFLAGS@ -I$(TOPSRCDIR)
 LIBS	= @LIBS@
 LD_R	= ld -r
 RM	= rm -f
-LDFLAGS = 
+LDFLAGS = @LDFLAGS@
 
 
 prefix          = @prefix@

fix parallel build problems ... objs need generated tracer, and coldfire
needs subdir objs

--- a/Makefile.in
+++ b/Makefile.in
@@ -22,7 +22,8 @@
 #Force version to be made before subdirectories
 subdirs-all: version.h
 
-coldfire: $(OBJS) force
+$(OBJS): | subdirs-all
+coldfire: $(OBJS) force | subdirs-all
 	$(CC) $(LDFLAGS) $(OBJS) $(SUBDIR_OBJS) -o $@ $(LIBS)