xref: /freebsd/share/mk/sys.mk (revision 5ca34122ecdd5abc62bdae39663fec9ac8523d87) 
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__ENV_ONLY_OPTIONS:= \
33	${__DEFAULT_NO_OPTIONS} \
34	${__DEFAULT_YES_OPTIONS} \
35	${__DEFAULT_DEPENDENT_OPTIONS:H}
36
37# early include for customization
38# see local.sys.mk below
39# Not included when building in fmake compatibility mode (still needed
40# for older system support)
41.if defined(.PARSEDIR)
42.sinclude <local.sys.env.mk>
43
44.include <bsd.mkopt.mk>
45
46.if ${MK_META_MODE} == "yes"
47.sinclude <meta.sys.mk>
48.elif ${MK_META_FILES} == "yes" && defined(.MAKEFLAGS)
49.if ${.MAKEFLAGS:M-B} == ""
50.MAKE.MODE= meta verbose
51.endif
52.endif
53.if ${MK_AUTO_OBJ} == "yes"
54# This needs to be done early - before .PATH is computed
55# Don't do this if just running 'make -V' or 'make showconfig'
56.if ${.MAKEFLAGS:M-V} == "" && !make(showconfig)
57.sinclude <auto.obj.mk>
58.endif
59.endif
60.else # bmake
61.include <bsd.mkopt.mk>
62.endif
63
64# If the special target .POSIX appears (without prerequisites or
65# commands) before the first noncomment line in the makefile, make shall
66# process the makefile as specified by the Posix 1003.2 specification.
67# make(1) sets the special macro %POSIX in this case (to the actual
68# value "1003.2", for what it's worth).
69#
70# The rules below use this macro to distinguish between Posix-compliant
71# and default behaviour.
72
73.if defined(%POSIX)
74.SUFFIXES:	.o .c .y .l .a .sh .f
75.else
76.SUFFIXES:	.out .a .ln .o .c .cc .cpp .cxx .C .m .F .f .e .r .y .l .S .asm .s .cl .p .h .sh
77.endif
78
79AR		?=	ar
80.if defined(%POSIX)
81ARFLAGS		?=	-rv
82.else
83ARFLAGS		?=	-crD
84.endif
85RANLIB		?=	ranlib
86.if !defined(%POSIX)
87RANLIBFLAGS	?=	-D
88.endif
89
90AS		?=	as
91AFLAGS		?=
92ACFLAGS		?=
93
94.if defined(%POSIX)
95CC		?=	c89
96CFLAGS		?=	-O
97.else
98CC		?=	cc
99.if ${MACHINE_CPUARCH} == "arm" || ${MACHINE_CPUARCH} == "mips"
100CFLAGS		?=	-O -pipe
101.else
102CFLAGS		?=	-O2 -pipe
103.endif
104.if defined(NO_STRICT_ALIASING)
105CFLAGS		+=	-fno-strict-aliasing
106.endif
107.endif
108PO_CFLAGS	?=	${CFLAGS}
109
110# cp(1) is used to copy source files to ${.OBJDIR}, make sure it can handle
111# read-only files as non-root by passing -f.
112CP		?=	cp -f
113
114CPP		?=	cpp
115
116# C Type Format data is required for DTrace
117CTFFLAGS	?=	-L VERSION
118
119CTFCONVERT	?=	ctfconvert
120CTFMERGE	?=	ctfmerge
121
122.if defined(CFLAGS) && (${CFLAGS:M-g} != "")
123CTFFLAGS	+=	-g
124.endif
125
126CXX		?=	c++
127CXXFLAGS	?=	${CFLAGS:N-std=*:N-Wnested-externs:N-W*-prototypes:N-Wno-pointer-sign:N-Wold-style-definition}
128PO_CXXFLAGS	?=	${CXXFLAGS}
129
130DTRACE		?=	dtrace
131DTRACEFLAGS	?=	-C -x nolibs
132
133.if empty(.MAKEFLAGS:M-s)
134ECHO		?=	echo
135ECHODIR		?=	echo
136.else
137ECHO		?=	true
138.if ${.MAKEFLAGS:M-s} == "-s"
139ECHODIR		?=	echo
140.else
141ECHODIR		?=	true
142.endif
143.endif
144
145.if defined(.PARSEDIR)
146# _+_ appears to be a workaround for the special src .MAKE not working.
147# setting it to + interferes with -N
148_+_		?=
149.elif !empty(.MAKEFLAGS:M-n) && ${.MAKEFLAGS:M-n} == "-n"
150# the check above matches only a single -n, so -n -n will result
151# in _+_ = +
152_+_		?=
153.else
154_+_		?=	+
155.endif
156
157.if defined(%POSIX)
158FC		?=	fort77
159FFLAGS		?=	-O 1
160.else
161FC		?=	f77
162FFLAGS		?=	-O
163.endif
164EFLAGS		?=
165
166INSTALL		?=	install
167
168LEX		?=	lex
169LFLAGS		?=
170
171LD		?=	ld
172LDFLAGS		?=				# LDFLAGS is for CC,
173_LDFLAGS	=	${LDFLAGS:S/-Wl,//g}	# strip -Wl, for LD
174
175LINT		?=	lint
176LINTFLAGS	?=	-cghapbx
177LINTKERNFLAGS	?=	${LINTFLAGS}
178LINTOBJFLAGS	?=	-cghapbxu -i
179LINTOBJKERNFLAGS?=	${LINTOBJFLAGS}
180LINTLIBFLAGS	?=	-cghapbxu -C ${LIB}
181
182MAKE		?=	make
183
184.if !defined(%POSIX)
185NM		?=	nm
186NMFLAGS		?=
187
188OBJC		?=	cc
189OBJCFLAGS	?=	${OBJCINCLUDES} ${CFLAGS} -Wno-import
190
191OBJCOPY		?=	objcopy
192
193OBJDUMP		?=	objdump
194
195PC		?=	pc
196PFLAGS		?=
197
198RC		?=	f77
199RFLAGS		?=
200.endif
201
202SHELL		?=	sh
203
204.if !defined(%POSIX)
205SIZE		?=	size
206.endif
207
208YACC		?=	yacc
209.if defined(%POSIX)
210YFLAGS		?=
211.else
212YFLAGS		?=	-d
213.endif
214
215.if defined(%POSIX)
216
217# Posix 1003.2 mandated rules
218#
219# Quoted directly from the Posix 1003.2 draft, only the macros
220# $@, $< and $* have been replaced by ${.TARGET}, ${.IMPSRC}, and
221# ${.PREFIX}, resp.
222
223# SINGLE SUFFIX RULES
224.c:
225	${CC} ${CFLAGS} ${LDFLAGS} -o ${.TARGET} ${.IMPSRC}
226
227.f:
228	${FC} ${FFLAGS} ${LDFLAGS} -o ${.TARGET} ${.IMPSRC}
229
230.sh:
231	cp -f ${.IMPSRC} ${.TARGET}
232	chmod a+x ${.TARGET}
233
234# DOUBLE SUFFIX RULES
235
236.c.o:
237	${CC} ${CFLAGS} -c ${.IMPSRC}
238
239.f.o:
240	${FC} ${FFLAGS} -c ${.IMPSRC}
241
242.y.o:
243	${YACC} ${YFLAGS} ${.IMPSRC}
244	${CC} ${CFLAGS} -c y.tab.c
245	rm -f y.tab.c
246	mv y.tab.o ${.TARGET}
247
248.l.o:
249	${LEX} ${LFLAGS} ${.IMPSRC}
250	${CC} ${CFLAGS} -c lex.yy.c
251	rm -f lex.yy.c
252	mv lex.yy.o ${.TARGET}
253
254.y.c:
255	${YACC} ${YFLAGS} ${.IMPSRC}
256	mv y.tab.c ${.TARGET}
257
258.l.c:
259	${LEX} ${LFLAGS} ${.IMPSRC}
260	mv lex.yy.c ${.TARGET}
261
262.c.a:
263	${CC} ${CFLAGS} -c ${.IMPSRC}
264	${AR} ${ARFLAGS} ${.TARGET} ${.PREFIX}.o
265	rm -f ${.PREFIX}.o
266
267.f.a:
268	${FC} ${FFLAGS} -c ${.IMPSRC}
269	${AR} ${ARFLAGS} ${.TARGET} ${.PREFIX}.o
270	rm -f ${.PREFIX}.o
271
272.else
273
274# non-Posix rule set
275
276.sh:
277	cp -fp ${.IMPSRC} ${.TARGET}
278	chmod a+x ${.TARGET}
279
280.c.ln:
281	${LINT} ${LINTOBJFLAGS} ${CFLAGS:M-[DIU]*} ${.IMPSRC} || \
282	    touch ${.TARGET}
283
284.cc.ln .C.ln .cpp.ln .cxx.ln:
285	${LINT} ${LINTOBJFLAGS} ${CXXFLAGS:M-[DIU]*} ${.IMPSRC} || \
286	    touch ${.TARGET}
287
288.c:
289	${CC} ${CFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} -o ${.TARGET}
290	${CTFCONVERT_CMD}
291
292.c.o:
293	${CC} ${CFLAGS} -c ${.IMPSRC} -o ${.TARGET}
294	${CTFCONVERT_CMD}
295
296.cc .cpp .cxx .C:
297	${CXX} ${CXXFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} -o ${.TARGET}
298
299.cc.o .cpp.o .cxx.o .C.o:
300	${CXX} ${CXXFLAGS} -c ${.IMPSRC} -o ${.TARGET}
301
302.m.o:
303	${OBJC} ${OBJCFLAGS} -c ${.IMPSRC} -o ${.TARGET}
304	${CTFCONVERT_CMD}
305
306.p.o:
307	${PC} ${PFLAGS} -c ${.IMPSRC} -o ${.TARGET}
308	${CTFCONVERT_CMD}
309
310.e .r .F .f:
311	${FC} ${RFLAGS} ${EFLAGS} ${FFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} \
312	    -o ${.TARGET}
313
314.e.o .r.o .F.o .f.o:
315	${FC} ${RFLAGS} ${EFLAGS} ${FFLAGS} -c ${.IMPSRC} -o ${.TARGET}
316
317.S.o:
318	${CC} ${CFLAGS} ${ACFLAGS} -c ${.IMPSRC} -o ${.TARGET}
319	${CTFCONVERT_CMD}
320
321.asm.o:
322	${CC} -x assembler-with-cpp ${CFLAGS} ${ACFLAGS} -c ${.IMPSRC} \
323	    -o ${.TARGET}
324	${CTFCONVERT_CMD}
325
326.s.o:
327	${AS} ${AFLAGS} -o ${.TARGET} ${.IMPSRC}
328	${CTFCONVERT_CMD}
329
330# XXX not -j safe
331.y.o:
332	${YACC} ${YFLAGS} ${.IMPSRC}
333	${CC} ${CFLAGS} -c y.tab.c -o ${.TARGET}
334	rm -f y.tab.c
335	${CTFCONVERT_CMD}
336
337.l.o:
338	${LEX} -t ${LFLAGS} ${.IMPSRC} > ${.PREFIX}.tmp.c
339	${CC} ${CFLAGS} -c ${.PREFIX}.tmp.c -o ${.TARGET}
340	rm -f ${.PREFIX}.tmp.c
341	${CTFCONVERT_CMD}
342
343# XXX not -j safe
344.y.c:
345	${YACC} ${YFLAGS} ${.IMPSRC}
346	mv y.tab.c ${.TARGET}
347
348.l.c:
349	${LEX} -t ${LFLAGS} ${.IMPSRC} > ${.TARGET}
350
351.s.out .c.out .o.out:
352	${CC} ${CFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} -o ${.TARGET}
353	${CTFCONVERT_CMD}
354
355.f.out .F.out .r.out .e.out:
356	${FC} ${EFLAGS} ${RFLAGS} ${FFLAGS} ${LDFLAGS} ${.IMPSRC} \
357	    ${LDLIBS} -o ${.TARGET}
358	rm -f ${.PREFIX}.o
359	${CTFCONVERT_CMD}
360
361# XXX not -j safe
362.y.out:
363	${YACC} ${YFLAGS} ${.IMPSRC}
364	${CC} ${CFLAGS} ${LDFLAGS} y.tab.c ${LDLIBS} -ly -o ${.TARGET}
365	rm -f y.tab.c
366	${CTFCONVERT_CMD}
367
368.l.out:
369	${LEX} -t ${LFLAGS} ${.IMPSRC} > ${.PREFIX}.tmp.c
370	${CC} ${CFLAGS} ${LDFLAGS} ${.PREFIX}.tmp.c ${LDLIBS} -ll -o ${.TARGET}
371	rm -f ${.PREFIX}.tmp.c
372	${CTFCONVERT_CMD}
373
374# Pull in global settings.
375__MAKE_CONF?=/etc/make.conf
376.if exists(${__MAKE_CONF})
377.include "${__MAKE_CONF}"
378.endif
379
380# late include for customization
381.sinclude <local.sys.mk>
382
383.if defined(__MAKE_SHELL) && !empty(__MAKE_SHELL)
384SHELL=	${__MAKE_SHELL}
385.SHELL: path=${__MAKE_SHELL}
386.endif
387
388# Tell bmake to expand -V VAR by default
389.MAKE.EXPAND_VARIABLES= yes
390
391# Tell bmake the makefile preference
392.MAKE.MAKEFILE_PREFERENCE= BSDmakefile makefile Makefile
393
394# By default bmake does *not* use set -e
395# when running target scripts, this is a problem for many makefiles here.
396# So define a shell that will do what FreeBSD expects.
397.ifndef WITHOUT_SHELL_ERRCTL
398__MAKE_SHELL?=/bin/sh
399.SHELL: name=sh \
400	quiet="set -" echo="set -v" filter="set -" \
401	hasErrCtl=yes check="set -e" ignore="set +e" \
402	echoFlag=v errFlag=e \
403	path=${__MAKE_SHELL}
404.endif
405
406.include <bsd.cpu.mk>
407
408.endif # ! Posix
409