xref: /freebsd/share/mk/sys.mk (revision c1eb4109f3b1d90a9c1538179ea6a52a191899b2)
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 !defined(%POSIX)
8#
9# MACHINE_CPUARCH defines a collection of MACHINE_ARCH.  Machines with
10# the same MACHINE_ARCH can run each other's binaries, so it necessarily
11# has word size and endian swizzled in.  However, support files for
12# these machines often are shared amongst all combinations of size
13# and/or endian.  This is called MACHINE_CPU in NetBSD, but that's used
14# for something different in FreeBSD.
15#
16MACHINE_CPUARCH=${MACHINE_ARCH:C/mips(n32|64)?(el)?/mips/:C/arm(v6)?(eb|hf)?/arm/:C/powerpc64/powerpc/}
17.endif
18
19
20# Some options we need now
21__DEFAULT_NO_OPTIONS= \
22	DIRDEPS_CACHE \
23	META_MODE \
24	META_FILES \
25
26
27__DEFAULT_DEPENDENT_OPTIONS= \
28	AUTO_OBJ/META_MODE \
29	STAGING/META_MODE \
30	SYSROOT/META_MODE
31
32.include <bsd.mkopt.mk>
33
34# early include for customization
35# see local.sys.mk below
36# Not included when building in fmake compatibility mode (still needed
37# for older system support)
38.if defined(.PARSEDIR)
39.sinclude <local.sys.env.mk>
40
41.if ${MK_META_MODE} == "yes"
42.sinclude <meta.sys.mk>
43.elif ${MK_META_FILES} == "yes" && defined(.MAKEFLAGS)
44.if ${.MAKEFLAGS:M-B} == ""
45.MAKE.MODE= meta verbose
46.endif
47.endif
48.if ${MK_AUTO_OBJ} == "yes"
49# This needs to be done early - before .PATH is computed
50.sinclude <auto.obj.mk>
51.endif
52
53.endif
54
55# If the special target .POSIX appears (without prerequisites or
56# commands) before the first noncomment line in the makefile, make shall
57# process the makefile as specified by the Posix 1003.2 specification.
58# make(1) sets the special macro %POSIX in this case (to the actual
59# value "1003.2", for what it's worth).
60#
61# The rules below use this macro to distinguish between Posix-compliant
62# and default behaviour.
63
64.if defined(%POSIX)
65.SUFFIXES:	.o .c .y .l .a .sh .f
66.else
67.SUFFIXES:	.out .a .ln .o .c .cc .cpp .cxx .C .m .F .f .e .r .y .l .S .asm .s .cl .p .h .sh
68.endif
69
70AR		?=	ar
71.if defined(%POSIX)
72ARFLAGS		?=	-rv
73.else
74ARFLAGS		?=	-crD
75.endif
76RANLIB		?=	ranlib
77.if !defined(%POSIX)
78RANLIBFLAGS	?=	-D
79.endif
80
81AS		?=	as
82AFLAGS		?=
83ACFLAGS		?=
84
85.if defined(%POSIX)
86CC		?=	c89
87CFLAGS		?=	-O
88.else
89CC		?=	cc
90.if ${MACHINE_CPUARCH} == "arm" || ${MACHINE_CPUARCH} == "mips"
91CFLAGS		?=	-O -pipe
92.else
93CFLAGS		?=	-O2 -pipe
94.endif
95.if defined(NO_STRICT_ALIASING)
96CFLAGS		+=	-fno-strict-aliasing
97.endif
98.endif
99PO_CFLAGS	?=	${CFLAGS}
100
101# cp(1) is used to copy source files to ${.OBJDIR}, make sure it can handle
102# read-only files as non-root by passing -f.
103CP		?=	cp -f
104
105CPP		?=	cpp
106
107# C Type Format data is required for DTrace
108CTFFLAGS	?=	-L VERSION
109
110CTFCONVERT	?=	ctfconvert
111CTFMERGE	?=	ctfmerge
112
113.if defined(CFLAGS) && (${CFLAGS:M-g} != "")
114CTFFLAGS	+=	-g
115.endif
116
117CXX		?=	c++
118CXXFLAGS	?=	${CFLAGS:N-std=*:N-Wnested-externs:N-W*-prototypes:N-Wno-pointer-sign:N-Wold-style-definition}
119PO_CXXFLAGS	?=	${CXXFLAGS}
120
121DTRACE		?=	dtrace
122DTRACEFLAGS	?=	-C -x nolibs
123
124.if empty(.MAKEFLAGS:M-s)
125ECHO		?=	echo
126ECHODIR		?=	echo
127.else
128ECHO		?=	true
129.if ${.MAKEFLAGS:M-s} == "-s"
130ECHODIR		?=	echo
131.else
132ECHODIR		?=	true
133.endif
134.endif
135
136.if defined(.PARSEDIR)
137# _+_ appears to be a workaround for the special src .MAKE not working.
138# setting it to + interferes with -N
139_+_		?=
140.elif !empty(.MAKEFLAGS:M-n) && ${.MAKEFLAGS:M-n} == "-n"
141# the check above matches only a single -n, so -n -n will result
142# in _+_ = +
143_+_		?=
144.else
145_+_		?=	+
146.endif
147
148.if defined(%POSIX)
149FC		?=	fort77
150FFLAGS		?=	-O 1
151.else
152FC		?=	f77
153FFLAGS		?=	-O
154.endif
155EFLAGS		?=
156
157INSTALL		?=	install
158
159LEX		?=	lex
160LFLAGS		?=
161
162LD		?=	ld
163LDFLAGS		?=				# LDFLAGS is for CC,
164_LDFLAGS	=	${LDFLAGS:S/-Wl,//g}	# strip -Wl, for LD
165
166LINT		?=	lint
167LINTFLAGS	?=	-cghapbx
168LINTKERNFLAGS	?=	${LINTFLAGS}
169LINTOBJFLAGS	?=	-cghapbxu -i
170LINTOBJKERNFLAGS?=	${LINTOBJFLAGS}
171LINTLIBFLAGS	?=	-cghapbxu -C ${LIB}
172
173MAKE		?=	make
174
175.if !defined(%POSIX)
176NM		?=	nm
177NMFLAGS		?=
178
179OBJC		?=	cc
180OBJCFLAGS	?=	${OBJCINCLUDES} ${CFLAGS} -Wno-import
181
182OBJCOPY		?=	objcopy
183
184OBJDUMP		?=	objdump
185
186PC		?=	pc
187PFLAGS		?=
188
189RC		?=	f77
190RFLAGS		?=
191.endif
192
193SHELL		?=	sh
194
195.if !defined(%POSIX)
196SIZE		?=	size
197.endif
198
199YACC		?=	yacc
200.if defined(%POSIX)
201YFLAGS		?=
202.else
203YFLAGS		?=	-d
204.endif
205
206.if defined(%POSIX)
207
208# Posix 1003.2 mandated rules
209#
210# Quoted directly from the Posix 1003.2 draft, only the macros
211# $@, $< and $* have been replaced by ${.TARGET}, ${.IMPSRC}, and
212# ${.PREFIX}, resp.
213
214# SINGLE SUFFIX RULES
215.c:
216	${CC} ${CFLAGS} ${LDFLAGS} -o ${.TARGET} ${.IMPSRC}
217
218.f:
219	${FC} ${FFLAGS} ${LDFLAGS} -o ${.TARGET} ${.IMPSRC}
220
221.sh:
222	cp -f ${.IMPSRC} ${.TARGET}
223	chmod a+x ${.TARGET}
224
225# DOUBLE SUFFIX RULES
226
227.c.o:
228	${CC} ${CFLAGS} -c ${.IMPSRC}
229
230.f.o:
231	${FC} ${FFLAGS} -c ${.IMPSRC}
232
233.y.o:
234	${YACC} ${YFLAGS} ${.IMPSRC}
235	${CC} ${CFLAGS} -c y.tab.c
236	rm -f y.tab.c
237	mv y.tab.o ${.TARGET}
238
239.l.o:
240	${LEX} ${LFLAGS} ${.IMPSRC}
241	${CC} ${CFLAGS} -c lex.yy.c
242	rm -f lex.yy.c
243	mv lex.yy.o ${.TARGET}
244
245.y.c:
246	${YACC} ${YFLAGS} ${.IMPSRC}
247	mv y.tab.c ${.TARGET}
248
249.l.c:
250	${LEX} ${LFLAGS} ${.IMPSRC}
251	mv lex.yy.c ${.TARGET}
252
253.c.a:
254	${CC} ${CFLAGS} -c ${.IMPSRC}
255	${AR} ${ARFLAGS} ${.TARGET} ${.PREFIX}.o
256	rm -f ${.PREFIX}.o
257
258.f.a:
259	${FC} ${FFLAGS} -c ${.IMPSRC}
260	${AR} ${ARFLAGS} ${.TARGET} ${.PREFIX}.o
261	rm -f ${.PREFIX}.o
262
263.else
264
265# non-Posix rule set
266
267.sh:
268	cp -fp ${.IMPSRC} ${.TARGET}
269	chmod a+x ${.TARGET}
270
271.c.ln:
272	${LINT} ${LINTOBJFLAGS} ${CFLAGS:M-[DIU]*} ${.IMPSRC} || \
273	    touch ${.TARGET}
274
275.cc.ln .C.ln .cpp.ln .cxx.ln:
276	${LINT} ${LINTOBJFLAGS} ${CXXFLAGS:M-[DIU]*} ${.IMPSRC} || \
277	    touch ${.TARGET}
278
279.c:
280	${CC} ${CFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} -o ${.TARGET}
281	${CTFCONVERT_CMD}
282
283.c.o:
284	${CC} ${CFLAGS} -c ${.IMPSRC} -o ${.TARGET}
285	${CTFCONVERT_CMD}
286
287.cc .cpp .cxx .C:
288	${CXX} ${CXXFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} -o ${.TARGET}
289
290.cc.o .cpp.o .cxx.o .C.o:
291	${CXX} ${CXXFLAGS} -c ${.IMPSRC} -o ${.TARGET}
292
293.m.o:
294	${OBJC} ${OBJCFLAGS} -c ${.IMPSRC} -o ${.TARGET}
295	${CTFCONVERT_CMD}
296
297.p.o:
298	${PC} ${PFLAGS} -c ${.IMPSRC} -o ${.TARGET}
299	${CTFCONVERT_CMD}
300
301.e .r .F .f:
302	${FC} ${RFLAGS} ${EFLAGS} ${FFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} \
303	    -o ${.TARGET}
304
305.e.o .r.o .F.o .f.o:
306	${FC} ${RFLAGS} ${EFLAGS} ${FFLAGS} -c ${.IMPSRC} -o ${.TARGET}
307
308.S.o:
309	${CC} ${CFLAGS} ${ACFLAGS} -c ${.IMPSRC} -o ${.TARGET}
310	${CTFCONVERT_CMD}
311
312.asm.o:
313	${CC} -x assembler-with-cpp ${CFLAGS} ${ACFLAGS} -c ${.IMPSRC} \
314	    -o ${.TARGET}
315	${CTFCONVERT_CMD}
316
317.s.o:
318	${AS} ${AFLAGS} -o ${.TARGET} ${.IMPSRC}
319	${CTFCONVERT_CMD}
320
321# XXX not -j safe
322.y.o:
323	${YACC} ${YFLAGS} ${.IMPSRC}
324	${CC} ${CFLAGS} -c y.tab.c -o ${.TARGET}
325	rm -f y.tab.c
326	${CTFCONVERT_CMD}
327
328.l.o:
329	${LEX} -t ${LFLAGS} ${.IMPSRC} > ${.PREFIX}.tmp.c
330	${CC} ${CFLAGS} -c ${.PREFIX}.tmp.c -o ${.TARGET}
331	rm -f ${.PREFIX}.tmp.c
332	${CTFCONVERT_CMD}
333
334# XXX not -j safe
335.y.c:
336	${YACC} ${YFLAGS} ${.IMPSRC}
337	mv y.tab.c ${.TARGET}
338
339.l.c:
340	${LEX} -t ${LFLAGS} ${.IMPSRC} > ${.TARGET}
341
342.s.out .c.out .o.out:
343	${CC} ${CFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} -o ${.TARGET}
344	${CTFCONVERT_CMD}
345
346.f.out .F.out .r.out .e.out:
347	${FC} ${EFLAGS} ${RFLAGS} ${FFLAGS} ${LDFLAGS} ${.IMPSRC} \
348	    ${LDLIBS} -o ${.TARGET}
349	rm -f ${.PREFIX}.o
350	${CTFCONVERT_CMD}
351
352# XXX not -j safe
353.y.out:
354	${YACC} ${YFLAGS} ${.IMPSRC}
355	${CC} ${CFLAGS} ${LDFLAGS} y.tab.c ${LDLIBS} -ly -o ${.TARGET}
356	rm -f y.tab.c
357	${CTFCONVERT_CMD}
358
359.l.out:
360	${LEX} -t ${LFLAGS} ${.IMPSRC} > ${.PREFIX}.tmp.c
361	${CC} ${CFLAGS} ${LDFLAGS} ${.PREFIX}.tmp.c ${LDLIBS} -ll -o ${.TARGET}
362	rm -f ${.PREFIX}.tmp.c
363	${CTFCONVERT_CMD}
364
365# Pull in global settings.
366__MAKE_CONF?=/etc/make.conf
367.if exists(${__MAKE_CONF})
368.include "${__MAKE_CONF}"
369.endif
370
371# late include for customization
372.sinclude <local.sys.mk>
373
374.if defined(__MAKE_SHELL) && !empty(__MAKE_SHELL)
375SHELL=	${__MAKE_SHELL}
376.SHELL: path=${__MAKE_SHELL}
377.endif
378
379# Tell bmake to expand -V VAR by default
380.MAKE.EXPAND_VARIABLES= yes
381
382# Tell bmake the makefile preference
383.MAKE.MAKEFILE_PREFERENCE= BSDmakefile makefile Makefile
384
385# By default bmake does *not* use set -e
386# when running target scripts, this is a problem for many makefiles here.
387# So define a shell that will do what FreeBSD expects.
388.ifndef WITHOUT_SHELL_ERRCTL
389__MAKE_SHELL?=/bin/sh
390.SHELL: name=sh \
391	quiet="set -" echo="set -v" filter="set -" \
392	hasErrCtl=yes check="set -e" ignore="set +e" \
393	echoFlag=v errFlag=e \
394	path=${__MAKE_SHELL}
395.endif
396
397.include <bsd.cpu.mk>
398
399.endif # ! Posix
400