xref: /freebsd/share/mk/sys.mk (revision a4dc509f723944821bcfcc52005ff87c9a5dee5b) 
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 ${MK_AUTO_OBJ} == "yes"
54# This needs to be done early - before .PATH is computed
55# Don't do this if just running 'make -V' (but do when inspecting .OBJDIR) or
56# 'make showconfig' (during makeman which enables all options when meta mode
57# is not expected)
58.if (${.MAKEFLAGS:M-V} == "" || ${.MAKEFLAGS:M.OBJDIR} != "") && \
59    !make(showconfig)
60.sinclude <auto.obj.mk>
61.endif
62.endif
63.else # bmake
64.include <bsd.mkopt.mk>
65.endif
66
67# If the special target .POSIX appears (without prerequisites or
68# commands) before the first noncomment line in the makefile, make shall
69# process the makefile as specified by the Posix 1003.2 specification.
70# make(1) sets the special macro %POSIX in this case (to the actual
71# value "1003.2", for what it's worth).
72#
73# The rules below use this macro to distinguish between Posix-compliant
74# and default behaviour.
75
76.if defined(%POSIX)
77.SUFFIXES:	.o .c .y .l .a .sh .f
78.else
79.SUFFIXES:	.out .a .ln .o .c .cc .cpp .cxx .C .m .F .f .e .r .y .l .S .asm .s .cl .p .h .sh
80.endif
81
82AR		?=	ar
83.if defined(%POSIX)
84ARFLAGS		?=	-rv
85.else
86ARFLAGS		?=	-crD
87.endif
88RANLIB		?=	ranlib
89.if !defined(%POSIX)
90RANLIBFLAGS	?=	-D
91.endif
92
93AS		?=	as
94AFLAGS		?=
95ACFLAGS		?=
96
97.if defined(%POSIX)
98CC		?=	c89
99CFLAGS		?=	-O
100.else
101CC		?=	cc
102.if ${MACHINE_CPUARCH} == "arm" || ${MACHINE_CPUARCH} == "mips"
103CFLAGS		?=	-O -pipe
104.else
105CFLAGS		?=	-O2 -pipe
106.endif
107.if defined(NO_STRICT_ALIASING)
108CFLAGS		+=	-fno-strict-aliasing
109.endif
110.endif
111PO_CFLAGS	?=	${CFLAGS}
112
113# cp(1) is used to copy source files to ${.OBJDIR}, make sure it can handle
114# read-only files as non-root by passing -f.
115CP		?=	cp -f
116
117CPP		?=	cpp
118
119# C Type Format data is required for DTrace
120CTFFLAGS	?=	-L VERSION
121
122CTFCONVERT	?=	ctfconvert
123CTFMERGE	?=	ctfmerge
124
125.if defined(CFLAGS) && (${CFLAGS:M-g} != "")
126CTFFLAGS	+=	-g
127.endif
128
129CXX		?=	c++
130CXXFLAGS	?=	${CFLAGS:N-std=*:N-Wnested-externs:N-W*-prototypes:N-Wno-pointer-sign:N-Wold-style-definition}
131PO_CXXFLAGS	?=	${CXXFLAGS}
132
133DTRACE		?=	dtrace
134DTRACEFLAGS	?=	-C -x nolibs
135
136.if empty(.MAKEFLAGS:M-s)
137ECHO		?=	echo
138ECHODIR		?=	echo
139.else
140ECHO		?=	true
141.if ${.MAKEFLAGS:M-s} == "-s"
142ECHODIR		?=	echo
143.else
144ECHODIR		?=	true
145.endif
146.endif
147
148.if ${.MAKEFLAGS:M-N}
149# bmake -N is supposed to skip executing anything but it does not skip
150# exeucting '+' commands.  The '+' feature is used where .MAKE
151# is not safe for the entire target.  -N is intended to skip building sub-makes
152# so it executing '+' commands is not right.  Work around the bug by not
153# setting '+' when -N is used.
154_+_		?=
155.else
156_+_		?=	+
157.endif
158
159.if defined(%POSIX)
160FC		?=	fort77
161FFLAGS		?=	-O 1
162.else
163FC		?=	f77
164FFLAGS		?=	-O
165.endif
166EFLAGS		?=
167
168INSTALL		?=	install
169
170LEX		?=	lex
171LFLAGS		?=
172
173LD		?=	ld
174LDFLAGS		?=				# LDFLAGS is for CC,
175_LDFLAGS	=	${LDFLAGS:S/-Wl,//g}	# strip -Wl, for LD
176
177LINT		?=	lint
178LINTFLAGS	?=	-cghapbx
179LINTKERNFLAGS	?=	${LINTFLAGS}
180LINTOBJFLAGS	?=	-cghapbxu -i
181LINTOBJKERNFLAGS?=	${LINTOBJFLAGS}
182LINTLIBFLAGS	?=	-cghapbxu -C ${LIB}
183
184MAKE		?=	make
185
186.if !defined(%POSIX)
187NM		?=	nm
188NMFLAGS		?=
189
190OBJC		?=	cc
191OBJCFLAGS	?=	${OBJCINCLUDES} ${CFLAGS} -Wno-import
192
193OBJCOPY		?=	objcopy
194
195OBJDUMP		?=	objdump
196
197PC		?=	pc
198PFLAGS		?=
199
200RC		?=	f77
201RFLAGS		?=
202.endif
203
204SHELL		?=	sh
205
206.if !defined(%POSIX)
207SIZE		?=	size
208.endif
209
210YACC		?=	yacc
211.if defined(%POSIX)
212YFLAGS		?=
213.else
214YFLAGS		?=	-d
215.endif
216
217.if defined(%POSIX)
218
219# Posix 1003.2 mandated rules
220#
221# Quoted directly from the Posix 1003.2 draft, only the macros
222# $@, $< and $* have been replaced by ${.TARGET}, ${.IMPSRC}, and
223# ${.PREFIX}, resp.
224
225# SINGLE SUFFIX RULES
226.c:
227	${CC} ${CFLAGS} ${LDFLAGS} -o ${.TARGET} ${.IMPSRC}
228
229.f:
230	${FC} ${FFLAGS} ${LDFLAGS} -o ${.TARGET} ${.IMPSRC}
231
232.sh:
233	cp -f ${.IMPSRC} ${.TARGET}
234	chmod a+x ${.TARGET}
235
236# DOUBLE SUFFIX RULES
237
238.c.o:
239	${CC} ${CFLAGS} -c ${.IMPSRC}
240
241.f.o:
242	${FC} ${FFLAGS} -c ${.IMPSRC}
243
244.y.o:
245	${YACC} ${YFLAGS} ${.IMPSRC}
246	${CC} ${CFLAGS} -c y.tab.c
247	rm -f y.tab.c
248	mv y.tab.o ${.TARGET}
249
250.l.o:
251	${LEX} ${LFLAGS} ${.IMPSRC}
252	${CC} ${CFLAGS} -c lex.yy.c
253	rm -f lex.yy.c
254	mv lex.yy.o ${.TARGET}
255
256.y.c:
257	${YACC} ${YFLAGS} ${.IMPSRC}
258	mv y.tab.c ${.TARGET}
259
260.l.c:
261	${LEX} ${LFLAGS} ${.IMPSRC}
262	mv lex.yy.c ${.TARGET}
263
264.c.a:
265	${CC} ${CFLAGS} -c ${.IMPSRC}
266	${AR} ${ARFLAGS} ${.TARGET} ${.PREFIX}.o
267	rm -f ${.PREFIX}.o
268
269.f.a:
270	${FC} ${FFLAGS} -c ${.IMPSRC}
271	${AR} ${ARFLAGS} ${.TARGET} ${.PREFIX}.o
272	rm -f ${.PREFIX}.o
273
274.else
275
276# non-Posix rule set
277
278.sh:
279	cp -fp ${.IMPSRC} ${.TARGET}
280	chmod a+x ${.TARGET}
281
282.c.ln:
283	${LINT} ${LINTOBJFLAGS} ${CFLAGS:M-[DIU]*} ${.IMPSRC} || \
284	    touch ${.TARGET}
285
286.cc.ln .C.ln .cpp.ln .cxx.ln:
287	${LINT} ${LINTOBJFLAGS} ${CXXFLAGS:M-[DIU]*} ${.IMPSRC} || \
288	    touch ${.TARGET}
289
290.c:
291	${CC} ${CFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} -o ${.TARGET}
292	${CTFCONVERT_CMD}
293
294.c.o:
295	${CC} ${CFLAGS} -c ${.IMPSRC} -o ${.TARGET}
296	${CTFCONVERT_CMD}
297
298.cc .cpp .cxx .C:
299	${CXX} ${CXXFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} -o ${.TARGET}
300
301.cc.o .cpp.o .cxx.o .C.o:
302	${CXX} ${CXXFLAGS} -c ${.IMPSRC} -o ${.TARGET}
303
304.m.o:
305	${OBJC} ${OBJCFLAGS} -c ${.IMPSRC} -o ${.TARGET}
306	${CTFCONVERT_CMD}
307
308.p.o:
309	${PC} ${PFLAGS} -c ${.IMPSRC} -o ${.TARGET}
310	${CTFCONVERT_CMD}
311
312.e .r .F .f:
313	${FC} ${RFLAGS} ${EFLAGS} ${FFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} \
314	    -o ${.TARGET}
315
316.e.o .r.o .F.o .f.o:
317	${FC} ${RFLAGS} ${EFLAGS} ${FFLAGS} -c ${.IMPSRC} -o ${.TARGET}
318
319.S.o:
320	${CC} ${CFLAGS} ${ACFLAGS} -c ${.IMPSRC} -o ${.TARGET}
321	${CTFCONVERT_CMD}
322
323.asm.o:
324	${CC} -x assembler-with-cpp ${CFLAGS} ${ACFLAGS} -c ${.IMPSRC} \
325	    -o ${.TARGET}
326	${CTFCONVERT_CMD}
327
328.s.o:
329	${AS} ${AFLAGS} -o ${.TARGET} ${.IMPSRC}
330	${CTFCONVERT_CMD}
331
332# XXX not -j safe
333.y.o:
334	${YACC} ${YFLAGS} ${.IMPSRC}
335	${CC} ${CFLAGS} -c y.tab.c -o ${.TARGET}
336	rm -f y.tab.c
337	${CTFCONVERT_CMD}
338
339.l.o:
340	${LEX} -t ${LFLAGS} ${.IMPSRC} > ${.PREFIX}.tmp.c
341	${CC} ${CFLAGS} -c ${.PREFIX}.tmp.c -o ${.TARGET}
342	rm -f ${.PREFIX}.tmp.c
343	${CTFCONVERT_CMD}
344
345# XXX not -j safe
346.y.c:
347	${YACC} ${YFLAGS} ${.IMPSRC}
348	mv y.tab.c ${.TARGET}
349
350.l.c:
351	${LEX} -t ${LFLAGS} ${.IMPSRC} > ${.TARGET}
352
353.s.out .c.out .o.out:
354	${CC} ${CFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} -o ${.TARGET}
355	${CTFCONVERT_CMD}
356
357.f.out .F.out .r.out .e.out:
358	${FC} ${EFLAGS} ${RFLAGS} ${FFLAGS} ${LDFLAGS} ${.IMPSRC} \
359	    ${LDLIBS} -o ${.TARGET}
360	rm -f ${.PREFIX}.o
361	${CTFCONVERT_CMD}
362
363# XXX not -j safe
364.y.out:
365	${YACC} ${YFLAGS} ${.IMPSRC}
366	${CC} ${CFLAGS} ${LDFLAGS} y.tab.c ${LDLIBS} -ly -o ${.TARGET}
367	rm -f y.tab.c
368	${CTFCONVERT_CMD}
369
370.l.out:
371	${LEX} -t ${LFLAGS} ${.IMPSRC} > ${.PREFIX}.tmp.c
372	${CC} ${CFLAGS} ${LDFLAGS} ${.PREFIX}.tmp.c ${LDLIBS} -ll -o ${.TARGET}
373	rm -f ${.PREFIX}.tmp.c
374	${CTFCONVERT_CMD}
375
376# Pull in global settings.
377__MAKE_CONF?=/etc/make.conf
378.if exists(${__MAKE_CONF})
379.include "${__MAKE_CONF}"
380.endif
381
382# late include for customization
383.sinclude <local.sys.mk>
384
385.if defined(__MAKE_SHELL) && !empty(__MAKE_SHELL)
386SHELL=	${__MAKE_SHELL}
387.SHELL: path=${__MAKE_SHELL}
388.endif
389
390# Tell bmake to expand -V VAR by default
391.MAKE.EXPAND_VARIABLES= yes
392
393# Tell bmake the makefile preference
394.MAKE.MAKEFILE_PREFERENCE= BSDmakefile makefile Makefile
395
396# Tell bmake to always pass job tokens, regardless of target depending on
397# .MAKE or looking like ${MAKE}/${.MAKE}/$(MAKE)/$(.MAKE)/make.
398.MAKE.ALWAYS_PASS_JOB_QUEUE= yes
399
400# By default bmake does *not* use set -e
401# when running target scripts, this is a problem for many makefiles here.
402# So define a shell that will do what FreeBSD expects.
403.ifndef WITHOUT_SHELL_ERRCTL
404__MAKE_SHELL?=/bin/sh
405.SHELL: name=sh \
406	quiet="set -" echo="set -v" filter="set -" \
407	hasErrCtl=yes check="set -e" ignore="set +e" \
408	echoFlag=v errFlag=e \
409	path=${__MAKE_SHELL}
410.endif
411
412.include <bsd.cpu.mk>
413
414.endif # ! Posix
415