1  CFLAGS?=	-O2 -pipe
 2  OBJS=	${SRCS:.c=.o}
 3  SHOBJS?=	${SRCS:.c=.pico}
 4  DEPFILES=	${OBJS:.o=.Po} ${SHOBJS:.pico=.Ppico}
 5  CFLAGS+=	$(CPPFLAGS)
 6  CFLAGS+=	-Werror=implicit-function-declaration
 7  CFLAGS+=	-Werror=return-type
 8  
 9  # bmake's traditional include support treats empty strings in the expanded
10  # result (whether because the variable is empty or there are consecutive
11  # whitespace characters) as file names, and thus tries to read the containing
12  # directory as a Makefile, which fails, and isn't ignored since it exists.
13  # Work around this quirky behaviour by adding an extra entry that should never
14  # exist and then normalize its whitespace during substitution with :=.
15  DEPFILES_NONEMPTY=	$(DEPFILES) /nonexistent
16  -include $(DEPFILES_NONEMPTY:=)
17  
18  .SUFFIXES: .pico .in .bin .binin .so.1 .so.1in .suppress.in .suppress
19  
20  .c.o:
21  	$(CC) -Wall -Wextra -std=gnu17 -D_GNU_SOURCE=1 -MT $@ -MD -MP -MF $*.Tpo -o $@ -c $(CFLAGS) $(LOCAL_CFLAGS) $<
22  	mv $*.Tpo $*.Po
23  
24  .c.pico:
25  	$(CC) -Wall -Wextra -std=gnu17 -D_GNU_SOURCE=1 -MT $@ -MD -MP -MF $*.Tpico -o $@ -c $(CFLAGS) $(LOCAL_CFLAGS) $(SHOBJ_CFLAGS) $<
26  	mv $*.Tpico $*.Ppico
27  
28  .in:
29  	sed -e 's|@prefix@|$(PREFIX)|g; s|@abs_top_srcdir@|$(top_srcdir)|g' \
30  		-e 's|@VERSION@|$(version)|g' $< > $@
31  
32  .binin.bin:
33  	cp $< $@
34  
35  .so.1in.so.1:
36  	cp $< $@
37  
38  .suppress.in.suppress:
39  	cp $< $@