xref: /freebsd/share/mk/sys.mk (revision 271c3a9060f2ee55607ebe146523f888e1db2654) 
1#	from: @(#)sys.mk	8.2 (Berkeley) 3/21/94
2# $FreeBSD$
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" || ${MACHINE_ARCH} == "mips"
39CFLAGS		?=	-O -pipe
40.else
41CFLAGS		?=	-O2 -pipe
42.endif
43.if defined(NO_STRICT_ALIASING)
44CFLAGS		+=	-fno-strict-aliasing
45.endif
46.endif
47
48# Turn CTF conversion off by default for now. This default could be
49# changed later if DTrace becomes popular.
50.if !defined(WITH_CTF)
51NO_CTF		=	1
52.endif
53
54# C Type Format data is required for DTrace
55CTFFLAGS	?=	-L VERSION
56
57.if !defined(NO_CTF)
58CTFCONVERT	?=	ctfconvert
59CTFMERGE	?=	ctfmerge
60.if defined(CFLAGS) && (${CFLAGS:M-g} != "")
61CTFFLAGS	+=	-g
62.else
63CFLAGS		+=	-g
64.endif
65.endif
66
67CXX		?=	c++
68CXXFLAGS	?=	${CFLAGS:N-std=*:N-Wnested-externs:N-W*-prototypes:N-Wno-pointer-sign}
69
70CPP		?=	cpp
71
72.if empty(.MAKEFLAGS:M-s)
73ECHO		?=	echo
74ECHODIR		?=	echo
75.else
76ECHO		?=	true
77.if ${.MAKEFLAGS:M-s} == "-s"
78ECHODIR		?=	echo
79.else
80ECHODIR		?=	true
81.endif
82.endif
83
84.if !empty(.MAKEFLAGS:M-n) && ${.MAKEFLAGS:M-n} == "-n"
85_+_		?=
86.else
87_+_		?=	+
88.endif
89
90.if defined(%POSIX)
91FC		?=	fort77
92FFLAGS		?=	-O 1
93.else
94FC		?=	f77
95FFLAGS		?=	-O
96.endif
97EFLAGS		?=
98
99INSTALL		?=	install
100
101LEX		?=	lex
102LFLAGS		?=
103
104LD		?=	ld
105LDFLAGS		?=
106
107LINT		?=	lint
108LINTFLAGS	?=	-cghapbx
109LINTKERNFLAGS	?=	${LINTFLAGS}
110LINTOBJFLAGS	?=	-cghapbxu -i
111LINTOBJKERNFLAGS?=	${LINTOBJFLAGS}
112LINTLIBFLAGS	?=	-cghapbxu -C ${LIB}
113
114MAKE		?=	make
115
116OBJC		?=	cc
117OBJCFLAGS	?=	${OBJCINCLUDES} ${CFLAGS} -Wno-import
118
119PC		?=	pc
120PFLAGS		?=
121
122RC		?=	f77
123RFLAGS		?=
124
125SHELL		?=	sh
126
127YACC		?=	yacc
128.if defined(%POSIX)
129YFLAGS		?=
130.else
131YFLAGS		?=	-d
132.endif
133
134.if defined(%POSIX)
135
136# Posix 1003.2 mandated rules
137#
138# Quoted directly from the Posix 1003.2 draft, only the macros
139# $@, $< and $* have been replaced by ${.TARGET}, ${.IMPSRC}, and
140# ${.PREFIX}, resp.
141
142# SINGLE SUFFIX RULES
143.c:
144	${CC} ${CFLAGS} ${LDFLAGS} -o ${.TARGET} ${.IMPSRC}
145.if defined(CTFCONVERT)
146	${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
147.endif
148
149.f:
150	${FC} ${FFLAGS} ${LDFLAGS} -o ${.TARGET} ${.IMPSRC}
151.if defined(CTFCONVERT)
152	${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
153.endif
154
155.sh:
156	cp ${.IMPSRC} ${.TARGET}
157	chmod a+x ${.TARGET}
158
159# DOUBLE SUFFIX RULES
160
161.c.o:
162	${CC} ${CFLAGS} -c ${.IMPSRC}
163.if defined(CTFCONVERT)
164	${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
165.endif
166
167.f.o:
168	${FC} ${FFLAGS} -c ${.IMPSRC}
169.if defined(CTFCONVERT)
170	${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
171.endif
172
173.y.o:
174	${YACC} ${YFLAGS} ${.IMPSRC}
175	${CC} ${CFLAGS} -c y.tab.c
176	rm -f y.tab.c
177	mv y.tab.o ${.TARGET}
178.if defined(CTFCONVERT)
179	${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
180.endif
181
182.l.o:
183	${LEX} ${LFLAGS} ${.IMPSRC}
184	${CC} ${CFLAGS} -c lex.yy.c
185	rm -f lex.yy.c
186	mv lex.yy.o ${.TARGET}
187.if defined(CTFCONVERT)
188	${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
189.endif
190
191.y.c:
192	${YACC} ${YFLAGS} ${.IMPSRC}
193	mv y.tab.c ${.TARGET}
194
195.l.c:
196	${LEX} ${LFLAGS} ${.IMPSRC}
197	mv lex.yy.c ${.TARGET}
198
199.c.a:
200	${CC} ${CFLAGS} -c ${.IMPSRC}
201	${AR} ${ARFLAGS} ${.TARGET} ${.PREFIX}.o
202	rm -f ${.PREFIX}.o
203
204.f.a:
205	${FC} ${FFLAGS} -c ${.IMPSRC}
206	${AR} ${ARFLAGS} ${.TARGET} ${.PREFIX}.o
207	rm -f ${.PREFIX}.o
208
209.else
210
211# non-Posix rule set
212
213.sh:
214	cp -p ${.IMPSRC} ${.TARGET}
215	chmod a+x ${.TARGET}
216
217.c.ln:
218	${LINT} ${LINTOBJFLAGS} ${CFLAGS:M-[DIU]*} ${.IMPSRC} || \
219	    touch ${.TARGET}
220
221.cc.ln .C.ln .cpp.ln .cxx.ln:
222	${LINT} ${LINTOBJFLAGS} ${CXXFLAGS:M-[DIU]*} ${.IMPSRC} || \
223	    touch ${.TARGET}
224
225.c:
226	${CC} ${CFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} -o ${.TARGET}
227.if defined(CTFCONVERT)
228	${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
229.endif
230
231.c.o:
232	${CC} ${CFLAGS} -c ${.IMPSRC}
233.if defined(CTFCONVERT)
234	${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
235.endif
236
237.cc .cpp .cxx .C:
238	${CXX} ${CXXFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} -o ${.TARGET}
239
240.cc.o .cpp.o .cxx.o .C.o:
241	${CXX} ${CXXFLAGS} -c ${.IMPSRC}
242
243.m.o:
244	${OBJC} ${OBJCFLAGS} -c ${.IMPSRC}
245.if defined(CTFCONVERT)
246	${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
247.endif
248
249.p.o:
250	${PC} ${PFLAGS} -c ${.IMPSRC}
251.if defined(CTFCONVERT)
252	${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
253.endif
254
255.e .r .F .f:
256	${FC} ${RFLAGS} ${EFLAGS} ${FFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} \
257	    -o ${.TARGET}
258
259.e.o .r.o .F.o .f.o:
260	${FC} ${RFLAGS} ${EFLAGS} ${FFLAGS} -c ${.IMPSRC}
261
262.S.o:
263	${CC} ${CFLAGS} -c ${.IMPSRC}
264.if defined(CTFCONVERT)
265	${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
266.endif
267
268.asm.o:
269	${CC} -x assembler-with-cpp ${CFLAGS} -c ${.IMPSRC}
270.if defined(CTFCONVERT)
271	${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
272.endif
273
274.s.o:
275	${AS} ${AFLAGS} -o ${.TARGET} ${.IMPSRC}
276.if defined(CTFCONVERT)
277	${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
278.endif
279
280# XXX not -j safe
281.y.o:
282	${YACC} ${YFLAGS} ${.IMPSRC}
283	${CC} ${CFLAGS} -c y.tab.c -o ${.TARGET}
284	rm -f y.tab.c
285.if defined(CTFCONVERT)
286	${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
287.endif
288
289.l.o:
290	${LEX} -t ${LFLAGS} ${.IMPSRC} > ${.PREFIX}.tmp.c
291	${CC} ${CFLAGS} -c ${.PREFIX}.tmp.c -o ${.TARGET}
292	rm -f ${.PREFIX}.tmp.c
293.if defined(CTFCONVERT)
294	${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
295.endif
296
297# XXX not -j safe
298.y.c:
299	${YACC} ${YFLAGS} ${.IMPSRC}
300	mv y.tab.c ${.TARGET}
301
302.l.c:
303	${LEX} -t ${LFLAGS} ${.IMPSRC} > ${.TARGET}
304
305.s.out .c.out .o.out:
306	${CC} ${CFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} -o ${.TARGET}
307.if defined(CTFCONVERT)
308	${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
309.endif
310
311.f.out .F.out .r.out .e.out:
312	${FC} ${EFLAGS} ${RFLAGS} ${FFLAGS} ${LDFLAGS} ${.IMPSRC} \
313	    ${LDLIBS} -o ${.TARGET}
314	rm -f ${.PREFIX}.o
315.if defined(CTFCONVERT)
316	${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
317.endif
318
319# XXX not -j safe
320.y.out:
321	${YACC} ${YFLAGS} ${.IMPSRC}
322	${CC} ${CFLAGS} ${LDFLAGS} y.tab.c ${LDLIBS} -ly -o ${.TARGET}
323	rm -f y.tab.c
324.if defined(CTFCONVERT)
325	${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
326.endif
327
328.l.out:
329	${LEX} -t ${LFLAGS} ${.IMPSRC} > ${.PREFIX}.tmp.c
330	${CC} ${CFLAGS} ${LDFLAGS} ${.PREFIX}.tmp.c ${LDLIBS} -ll -o ${.TARGET}
331	rm -f ${.PREFIX}.tmp.c
332.if defined(CTFCONVERT)
333	${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
334.endif
335
336# FreeBSD build pollution.  Hide it in the non-POSIX part of the ifdef.
337__MAKE_CONF?=/etc/make.conf
338.if exists(${__MAKE_CONF})
339.include "${__MAKE_CONF}"
340.endif
341
342.if defined(__MAKE_SHELL) && !empty(__MAKE_SHELL)
343SHELL=	${__MAKE_SHELL}
344.SHELL: path=${__MAKE_SHELL}
345.endif
346
347# Default executable format
348# XXX hint for bsd.port.mk
349OBJFORMAT?=	elf
350
351# Toggle on warnings
352.WARN: dirsyntax
353
354.endif
355
356.include <bsd.compat.mk>
357.include <bsd.cpu.mk>
358