xref: /freebsd/share/mk/sys.mk (revision 6460ee789ae275bce31f1029cbf6990f530bebcf) 
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.-include <local.sys.env.mk>
37
38.if ${MK_META_MODE} == "yes"
39.-include <meta.sys.mk>
40.elif ${MK_META_FILES} == "yes" && ${.MAKEFLAGS:U:M-B} == ""
41.MAKE.MODE= meta verbose
42.endif
43.if ${MK_AUTO_OBJ} == "yes"
44# This needs to be done early - before .PATH is computed
45.-include <auto.obj.mk>
46.endif
47
48# If the special target .POSIX appears (without prerequisites or
49# commands) before the first noncomment line in the makefile, make shall
50# process the makefile as specified by the Posix 1003.2 specification.
51# make(1) sets the special macro %POSIX in this case (to the actual
52# value "1003.2", for what it's worth).
53#
54# The rules below use this macro to distinguish between Posix-compliant
55# and default behaviour.
56
57.if defined(%POSIX)
58.SUFFIXES:	.o .c .y .l .a .sh .f
59.else
60.SUFFIXES:	.out .a .ln .o .c .cc .cpp .cxx .C .m .F .f .e .r .y .l .S .asm .s .cl .p .h .sh
61.endif
62
63AR		?=	ar
64.if defined(%POSIX)
65ARFLAGS		?=	-rv
66.else
67ARFLAGS		?=	-crD
68.endif
69RANLIB		?=	ranlib
70.if !defined(%POSIX)
71RANLIBFLAGS	?=	-D
72.endif
73
74AS		?=	as
75AFLAGS		?=
76ACFLAGS		?=
77
78.if defined(%POSIX)
79CC		?=	c89
80CFLAGS		?=	-O
81.else
82CC		?=	cc
83.if ${MACHINE_CPUARCH} == "arm" || ${MACHINE_CPUARCH} == "mips"
84CFLAGS		?=	-O -pipe
85.else
86CFLAGS		?=	-O2 -pipe
87.endif
88.if defined(NO_STRICT_ALIASING)
89CFLAGS		+=	-fno-strict-aliasing
90.endif
91.endif
92PO_CFLAGS	?=	${CFLAGS}
93
94# cp(1) is used to copy source files to ${.OBJDIR}, make sure it can handle
95# read-only files as non-root by passing -f.
96CP		?=	cp -f
97
98CPP		?=	cpp
99
100# C Type Format data is required for DTrace
101CTFFLAGS	?=	-L VERSION
102
103CTFCONVERT	?=	ctfconvert
104CTFMERGE	?=	ctfmerge
105
106.if defined(CFLAGS) && (${CFLAGS:M-g} != "")
107CTFFLAGS	+=	-g
108.endif
109
110CXX		?=	c++
111CXXFLAGS	?=	${CFLAGS:N-std=*:N-Wnested-externs:N-W*-prototypes:N-Wno-pointer-sign:N-Wold-style-definition}
112PO_CXXFLAGS	?=	${CXXFLAGS}
113
114DTRACE		?=	dtrace
115DTRACEFLAGS	?=	-C -x nolibs
116
117.if empty(.MAKEFLAGS:M-s)
118ECHO		?=	echo
119ECHODIR		?=	echo
120.else
121ECHO		?=	true
122.if ${.MAKEFLAGS:M-s} == "-s"
123ECHODIR		?=	echo
124.else
125ECHODIR		?=	true
126.endif
127.endif
128
129.if defined(.PARSEDIR)
130# _+_ appears to be a workaround for the special src .MAKE not working.
131# setting it to + interferes with -N
132_+_		?=
133.elif !empty(.MAKEFLAGS:M-n) && ${.MAKEFLAGS:M-n} == "-n"
134# the check above matches only a single -n, so -n -n will result
135# in _+_ = +
136_+_		?=
137.else
138_+_		?=	+
139.endif
140
141.if defined(%POSIX)
142FC		?=	fort77
143FFLAGS		?=	-O 1
144.else
145FC		?=	f77
146FFLAGS		?=	-O
147.endif
148EFLAGS		?=
149
150INSTALL		?=	install
151
152LEX		?=	lex
153LFLAGS		?=
154
155LD		?=	ld
156LDFLAGS		?=				# LDFLAGS is for CC,
157_LDFLAGS	=	${LDFLAGS:S/-Wl,//g}	# strip -Wl, for LD
158
159LINT		?=	lint
160LINTFLAGS	?=	-cghapbx
161LINTKERNFLAGS	?=	${LINTFLAGS}
162LINTOBJFLAGS	?=	-cghapbxu -i
163LINTOBJKERNFLAGS?=	${LINTOBJFLAGS}
164LINTLIBFLAGS	?=	-cghapbxu -C ${LIB}
165
166MAKE		?=	make
167
168.if !defined(%POSIX)
169NM		?=	nm
170NMFLAGS		?=
171
172OBJC		?=	cc
173OBJCFLAGS	?=	${OBJCINCLUDES} ${CFLAGS} -Wno-import
174
175OBJCOPY		?=	objcopy
176
177OBJDUMP		?=	objdump
178
179PC		?=	pc
180PFLAGS		?=
181
182RC		?=	f77
183RFLAGS		?=
184.endif
185
186SHELL		?=	sh
187
188.if !defined(%POSIX)
189SIZE		?=	size
190.endif
191
192YACC		?=	yacc
193.if defined(%POSIX)
194YFLAGS		?=
195.else
196YFLAGS		?=	-d
197.endif
198
199.if defined(%POSIX)
200
201# Posix 1003.2 mandated rules
202#
203# Quoted directly from the Posix 1003.2 draft, only the macros
204# $@, $< and $* have been replaced by ${.TARGET}, ${.IMPSRC}, and
205# ${.PREFIX}, resp.
206
207# SINGLE SUFFIX RULES
208.c:
209	${CC} ${CFLAGS} ${LDFLAGS} -o ${.TARGET} ${.IMPSRC}
210
211.f:
212	${FC} ${FFLAGS} ${LDFLAGS} -o ${.TARGET} ${.IMPSRC}
213
214.sh:
215	cp -f ${.IMPSRC} ${.TARGET}
216	chmod a+x ${.TARGET}
217
218# DOUBLE SUFFIX RULES
219
220.c.o:
221	${CC} ${CFLAGS} -c ${.IMPSRC}
222
223.f.o:
224	${FC} ${FFLAGS} -c ${.IMPSRC}
225
226.y.o:
227	${YACC} ${YFLAGS} ${.IMPSRC}
228	${CC} ${CFLAGS} -c y.tab.c
229	rm -f y.tab.c
230	mv y.tab.o ${.TARGET}
231
232.l.o:
233	${LEX} ${LFLAGS} ${.IMPSRC}
234	${CC} ${CFLAGS} -c lex.yy.c
235	rm -f lex.yy.c
236	mv lex.yy.o ${.TARGET}
237
238.y.c:
239	${YACC} ${YFLAGS} ${.IMPSRC}
240	mv y.tab.c ${.TARGET}
241
242.l.c:
243	${LEX} ${LFLAGS} ${.IMPSRC}
244	mv lex.yy.c ${.TARGET}
245
246.c.a:
247	${CC} ${CFLAGS} -c ${.IMPSRC}
248	${AR} ${ARFLAGS} ${.TARGET} ${.PREFIX}.o
249	rm -f ${.PREFIX}.o
250
251.f.a:
252	${FC} ${FFLAGS} -c ${.IMPSRC}
253	${AR} ${ARFLAGS} ${.TARGET} ${.PREFIX}.o
254	rm -f ${.PREFIX}.o
255
256.else
257
258# non-Posix rule set
259
260.sh:
261	cp -fp ${.IMPSRC} ${.TARGET}
262	chmod a+x ${.TARGET}
263
264.c.ln:
265	${LINT} ${LINTOBJFLAGS} ${CFLAGS:M-[DIU]*} ${.IMPSRC} || \
266	    touch ${.TARGET}
267
268.cc.ln .C.ln .cpp.ln .cxx.ln:
269	${LINT} ${LINTOBJFLAGS} ${CXXFLAGS:M-[DIU]*} ${.IMPSRC} || \
270	    touch ${.TARGET}
271
272.c:
273	${CC} ${CFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} -o ${.TARGET}
274	${CTFCONVERT_CMD}
275
276.c.o:
277	${CC} ${CFLAGS} -c ${.IMPSRC} -o ${.TARGET}
278	${CTFCONVERT_CMD}
279
280.cc .cpp .cxx .C:
281	${CXX} ${CXXFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} -o ${.TARGET}
282
283.cc.o .cpp.o .cxx.o .C.o:
284	${CXX} ${CXXFLAGS} -c ${.IMPSRC} -o ${.TARGET}
285
286.m.o:
287	${OBJC} ${OBJCFLAGS} -c ${.IMPSRC} -o ${.TARGET}
288	${CTFCONVERT_CMD}
289
290.p.o:
291	${PC} ${PFLAGS} -c ${.IMPSRC} -o ${.TARGET}
292	${CTFCONVERT_CMD}
293
294.e .r .F .f:
295	${FC} ${RFLAGS} ${EFLAGS} ${FFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} \
296	    -o ${.TARGET}
297
298.e.o .r.o .F.o .f.o:
299	${FC} ${RFLAGS} ${EFLAGS} ${FFLAGS} -c ${.IMPSRC} -o ${.TARGET}
300
301.S.o:
302	${CC} ${CFLAGS} ${ACFLAGS} -c ${.IMPSRC} -o ${.TARGET}
303	${CTFCONVERT_CMD}
304
305.asm.o:
306	${CC} -x assembler-with-cpp ${CFLAGS} ${ACFLAGS} -c ${.IMPSRC} \
307	    -o ${.TARGET}
308	${CTFCONVERT_CMD}
309
310.s.o:
311	${AS} ${AFLAGS} -o ${.TARGET} ${.IMPSRC}
312	${CTFCONVERT_CMD}
313
314# XXX not -j safe
315.y.o:
316	${YACC} ${YFLAGS} ${.IMPSRC}
317	${CC} ${CFLAGS} -c y.tab.c -o ${.TARGET}
318	rm -f y.tab.c
319	${CTFCONVERT_CMD}
320
321.l.o:
322	${LEX} -t ${LFLAGS} ${.IMPSRC} > ${.PREFIX}.tmp.c
323	${CC} ${CFLAGS} -c ${.PREFIX}.tmp.c -o ${.TARGET}
324	rm -f ${.PREFIX}.tmp.c
325	${CTFCONVERT_CMD}
326
327# XXX not -j safe
328.y.c:
329	${YACC} ${YFLAGS} ${.IMPSRC}
330	mv y.tab.c ${.TARGET}
331
332.l.c:
333	${LEX} -t ${LFLAGS} ${.IMPSRC} > ${.TARGET}
334
335.s.out .c.out .o.out:
336	${CC} ${CFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} -o ${.TARGET}
337	${CTFCONVERT_CMD}
338
339.f.out .F.out .r.out .e.out:
340	${FC} ${EFLAGS} ${RFLAGS} ${FFLAGS} ${LDFLAGS} ${.IMPSRC} \
341	    ${LDLIBS} -o ${.TARGET}
342	rm -f ${.PREFIX}.o
343	${CTFCONVERT_CMD}
344
345# XXX not -j safe
346.y.out:
347	${YACC} ${YFLAGS} ${.IMPSRC}
348	${CC} ${CFLAGS} ${LDFLAGS} y.tab.c ${LDLIBS} -ly -o ${.TARGET}
349	rm -f y.tab.c
350	${CTFCONVERT_CMD}
351
352.l.out:
353	${LEX} -t ${LFLAGS} ${.IMPSRC} > ${.PREFIX}.tmp.c
354	${CC} ${CFLAGS} ${LDFLAGS} ${.PREFIX}.tmp.c ${LDLIBS} -ll -o ${.TARGET}
355	rm -f ${.PREFIX}.tmp.c
356	${CTFCONVERT_CMD}
357
358# Pull in global settings.
359__MAKE_CONF?=/etc/make.conf
360.if exists(${__MAKE_CONF})
361.include "${__MAKE_CONF}"
362.endif
363
364# late include for customization
365.-include <local.sys.mk>
366
367.if defined(__MAKE_SHELL) && !empty(__MAKE_SHELL)
368SHELL=	${__MAKE_SHELL}
369.SHELL: path=${__MAKE_SHELL}
370.endif
371
372# Tell bmake to expand -V VAR by default
373.MAKE.EXPAND_VARIABLES= yes
374
375# Tell bmake the makefile preference
376.MAKE.MAKEFILE_PREFERENCE= BSDmakefile makefile Makefile
377
378# By default bmake does *not* use set -e
379# when running target scripts, this is a problem for many makefiles here.
380# So define a shell that will do what FreeBSD expects.
381.ifndef WITHOUT_SHELL_ERRCTL
382.SHELL: name=sh \
383	quiet="set -" echo="set -v" filter="set -" \
384	hasErrCtl=yes check="set -e" ignore="set +e" \
385	echoFlag=v errFlag=e \
386	path=${__MAKE_SHELL:U/bin/sh}
387.endif
388
389.include <bsd.cpu.mk>
390
391.endif # ! Posix
392