sys.mk revision 206082 
1#	from: @(#)sys.mk	8.2 (Berkeley) 3/21/94
2# $FreeBSD: head/share/mk/sys.mk 206082 2010-04-02 06:55:31Z netchild $
3
4unix		?=	We run FreeBSD, not UNIX.
5.FreeBSD	?=	true
6
7# If the special target .POSIX appears (without prerequisites or
8# commands) before the first noncomment line in the makefile, make shall
9# process the makefile as specified by the Posix 1003.2 specification.
10# make(1) sets the special macro %POSIX in this case (to the actual
11# value "1003.2", for what it's worth).
12#
13# The rules below use this macro to distinguish between Posix-compliant
14# and default behaviour.
15
16.if defined(%POSIX)
17.SUFFIXES:	.o .c .y .l .a .sh .f
18.else
19.SUFFIXES:	.out .a .ln .o .c .cc .cpp .cxx .C .m .F .f .e .r .y .l .S .asm .s .cl .p .h .sh
20.endif
21
22AR		?=	ar
23.if defined(%POSIX)
24ARFLAGS		?=	-rv
25.else
26ARFLAGS		?=	rl
27.endif
28RANLIB		?=	ranlib
29
30AS		?=	as
31AFLAGS		?=
32
33.if defined(%POSIX)
34CC		?=	c89
35CFLAGS		?=	-O
36.else
37CC		?=	cc
38.if ${MACHINE_ARCH} == "arm" || ${MACHINE_ARCH} == "mips"
39CFLAGS		?=	-O -pipe
40.else
41CFLAGS		?=	-O2 -pipe
42.endif
43.if defined(NO_STRICT_ALIASING)
44CFLAGS		+=	-fno-strict-aliasing
45.endif
46.endif
47PO_CFLAGS	?=	${CFLAGS}
48
49# Turn CTF conversion off by default for now. This default could be
50# changed later if DTrace becomes popular.
51.if !defined(WITH_CTF)
52NO_CTF		=	1
53.endif
54
55# C Type Format data is required for DTrace
56CTFFLAGS	?=	-L VERSION
57
58CTFCONVERT	?=	ctfconvert
59CTFMERGE	?=	ctfmerge
60.if defined(CFLAGS) && (${CFLAGS:M-g} != "")
61CTFFLAGS	+=	-g
62.else
63# XXX: What to do here? Is removing the CFLAGS part completely ok here?
64# For now comment it out to not compile with -g unconditionally.
65#CFLAGS		+=	-g
66.endif
67
68CXX		?=	c++
69CXXFLAGS	?=	${CFLAGS:N-std=*:N-Wnested-externs:N-W*-prototypes:N-Wno-pointer-sign:N-Wold-style-definition}
70PO_CXXFLAGS	?=	${CXXFLAGS}
71
72CPP		?=	cpp
73
74.if empty(.MAKEFLAGS:M-s)
75ECHO		?=	echo
76ECHODIR		?=	echo
77.else
78ECHO		?=	true
79.if ${.MAKEFLAGS:M-s} == "-s"
80ECHODIR		?=	echo
81.else
82ECHODIR		?=	true
83.endif
84.endif
85
86.if !empty(.MAKEFLAGS:M-n) && ${.MAKEFLAGS:M-n} == "-n"
87_+_		?=
88.else
89_+_		?=	+
90.endif
91
92.if defined(%POSIX)
93FC		?=	fort77
94FFLAGS		?=	-O 1
95.else
96FC		?=	f77
97FFLAGS		?=	-O
98.endif
99EFLAGS		?=
100
101INSTALL		?=	install
102
103LEX		?=	lex
104LFLAGS		?=
105
106LD		?=	ld
107LDFLAGS		?=
108
109LINT		?=	lint
110LINTFLAGS	?=	-cghapbx
111LINTKERNFLAGS	?=	${LINTFLAGS}
112LINTOBJFLAGS	?=	-cghapbxu -i
113LINTOBJKERNFLAGS?=	${LINTOBJFLAGS}
114LINTLIBFLAGS	?=	-cghapbxu -C ${LIB}
115
116MAKE		?=	make
117
118OBJC		?=	cc
119OBJCFLAGS	?=	${OBJCINCLUDES} ${CFLAGS} -Wno-import
120
121PC		?=	pc
122PFLAGS		?=
123
124RC		?=	f77
125RFLAGS		?=
126
127SHELL		?=	sh
128
129YACC		?=	yacc
130.if defined(%POSIX)
131YFLAGS		?=
132.else
133YFLAGS		?=	-d
134.endif
135
136.if defined(%POSIX)
137
138# Posix 1003.2 mandated rules
139#
140# Quoted directly from the Posix 1003.2 draft, only the macros
141# $@, $< and $* have been replaced by ${.TARGET}, ${.IMPSRC}, and
142# ${.PREFIX}, resp.
143
144# SINGLE SUFFIX RULES
145.c:
146	${CC} ${CFLAGS} ${LDFLAGS} -o ${.TARGET} ${.IMPSRC}
147	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || ${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
148
149.f:
150	${FC} ${FFLAGS} ${LDFLAGS} -o ${.TARGET} ${.IMPSRC}
151	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || ${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
152
153.sh:
154	cp ${.IMPSRC} ${.TARGET}
155	chmod a+x ${.TARGET}
156
157# DOUBLE SUFFIX RULES
158
159.c.o:
160	${CC} ${CFLAGS} -c ${.IMPSRC}
161	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || ${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
162
163.f.o:
164	${FC} ${FFLAGS} -c ${.IMPSRC}
165	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || ${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
166
167.y.o:
168	${YACC} ${YFLAGS} ${.IMPSRC}
169	${CC} ${CFLAGS} -c y.tab.c
170	rm -f y.tab.c
171	mv y.tab.o ${.TARGET}
172	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || ${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
173
174.l.o:
175	${LEX} ${LFLAGS} ${.IMPSRC}
176	${CC} ${CFLAGS} -c lex.yy.c
177	rm -f lex.yy.c
178	mv lex.yy.o ${.TARGET}
179	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || ${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
180
181.y.c:
182	${YACC} ${YFLAGS} ${.IMPSRC}
183	mv y.tab.c ${.TARGET}
184
185.l.c:
186	${LEX} ${LFLAGS} ${.IMPSRC}
187	mv lex.yy.c ${.TARGET}
188
189.c.a:
190	${CC} ${CFLAGS} -c ${.IMPSRC}
191	${AR} ${ARFLAGS} ${.TARGET} ${.PREFIX}.o
192	rm -f ${.PREFIX}.o
193
194.f.a:
195	${FC} ${FFLAGS} -c ${.IMPSRC}
196	${AR} ${ARFLAGS} ${.TARGET} ${.PREFIX}.o
197	rm -f ${.PREFIX}.o
198
199.else
200
201# non-Posix rule set
202
203.sh:
204	cp -p ${.IMPSRC} ${.TARGET}
205	chmod a+x ${.TARGET}
206
207.c.ln:
208	${LINT} ${LINTOBJFLAGS} ${CFLAGS:M-[DIU]*} ${.IMPSRC} || \
209	    touch ${.TARGET}
210
211.cc.ln .C.ln .cpp.ln .cxx.ln:
212	${LINT} ${LINTOBJFLAGS} ${CXXFLAGS:M-[DIU]*} ${.IMPSRC} || \
213	    touch ${.TARGET}
214
215.c:
216	${CC} ${CFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} -o ${.TARGET}
217	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || ${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
218
219.c.o:
220	${CC} ${CFLAGS} -c ${.IMPSRC}
221	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || ${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
222
223.cc .cpp .cxx .C:
224	${CXX} ${CXXFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} -o ${.TARGET}
225
226.cc.o .cpp.o .cxx.o .C.o:
227	${CXX} ${CXXFLAGS} -c ${.IMPSRC}
228
229.m.o:
230	${OBJC} ${OBJCFLAGS} -c ${.IMPSRC}
231	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || ${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
232
233.p.o:
234	${PC} ${PFLAGS} -c ${.IMPSRC}
235	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || ${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
236
237.e .r .F .f:
238	${FC} ${RFLAGS} ${EFLAGS} ${FFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} \
239	    -o ${.TARGET}
240
241.e.o .r.o .F.o .f.o:
242	${FC} ${RFLAGS} ${EFLAGS} ${FFLAGS} -c ${.IMPSRC}
243
244.S.o:
245	${CC} ${CFLAGS} -c ${.IMPSRC}
246	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || ${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
247
248.asm.o:
249	${CC} -x assembler-with-cpp ${CFLAGS} -c ${.IMPSRC}
250	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || ${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
251
252.s.o:
253	${AS} ${AFLAGS} -o ${.TARGET} ${.IMPSRC}
254	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || ${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
255
256# XXX not -j safe
257.y.o:
258	${YACC} ${YFLAGS} ${.IMPSRC}
259	${CC} ${CFLAGS} -c y.tab.c -o ${.TARGET}
260	rm -f y.tab.c
261	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || ${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
262
263.l.o:
264	${LEX} -t ${LFLAGS} ${.IMPSRC} > ${.PREFIX}.tmp.c
265	${CC} ${CFLAGS} -c ${.PREFIX}.tmp.c -o ${.TARGET}
266	rm -f ${.PREFIX}.tmp.c
267	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || ${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
268
269# XXX not -j safe
270.y.c:
271	${YACC} ${YFLAGS} ${.IMPSRC}
272	mv y.tab.c ${.TARGET}
273
274.l.c:
275	${LEX} -t ${LFLAGS} ${.IMPSRC} > ${.TARGET}
276
277.s.out .c.out .o.out:
278	${CC} ${CFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} -o ${.TARGET}
279	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || ${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
280
281.f.out .F.out .r.out .e.out:
282	${FC} ${EFLAGS} ${RFLAGS} ${FFLAGS} ${LDFLAGS} ${.IMPSRC} \
283	    ${LDLIBS} -o ${.TARGET}
284	rm -f ${.PREFIX}.o
285	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || ${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
286
287# XXX not -j safe
288.y.out:
289	${YACC} ${YFLAGS} ${.IMPSRC}
290	${CC} ${CFLAGS} ${LDFLAGS} y.tab.c ${LDLIBS} -ly -o ${.TARGET}
291	rm -f y.tab.c
292	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || ${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
293
294.l.out:
295	${LEX} -t ${LFLAGS} ${.IMPSRC} > ${.PREFIX}.tmp.c
296	${CC} ${CFLAGS} ${LDFLAGS} ${.PREFIX}.tmp.c ${LDLIBS} -ll -o ${.TARGET}
297	rm -f ${.PREFIX}.tmp.c
298	@[ -z "${CTFCONVERT}" -o -n "${NO_CTF}" ] || ${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
299
300# FreeBSD build pollution.  Hide it in the non-POSIX part of the ifdef.
301__MAKE_CONF?=/etc/make.conf
302.if exists(${__MAKE_CONF})
303.include "${__MAKE_CONF}"
304.endif
305
306.if defined(__MAKE_SHELL) && !empty(__MAKE_SHELL)
307SHELL=	${__MAKE_SHELL}
308.SHELL: path=${__MAKE_SHELL}
309.endif
310
311# Default executable format
312# XXX hint for bsd.port.mk
313OBJFORMAT?=	elf
314
315# Toggle on warnings
316.WARN: dirsyntax
317
318.endif
319
320.include <bsd.compat.mk>
321.include <bsd.cpu.mk>
322