xref: /freebsd/share/mk/sys.mk (revision 895f86f15fbf6540071feb9328c3c50ed1f027b8) 
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_BUILD \
23	DIRDEPS_CACHE
24
25__DEFAULT_DEPENDENT_OPTIONS= \
26	AUTO_OBJ/DIRDEPS_BUILD \
27	META_MODE/DIRDEPS_BUILD \
28	STAGING/DIRDEPS_BUILD \
29	SYSROOT/DIRDEPS_BUILD
30
31__ENV_ONLY_OPTIONS:= \
32	${__DEFAULT_NO_OPTIONS} \
33	${__DEFAULT_YES_OPTIONS} \
34	${__DEFAULT_DEPENDENT_OPTIONS:H}
35
36# early include for customization
37# see local.sys.mk below
38# Not included when building in fmake compatibility mode (still needed
39# for older system support)
40.if defined(.PARSEDIR)
41.sinclude <local.sys.env.mk>
42
43.include <bsd.mkopt.mk>
44
45.if ${MK_DIRDEPS_BUILD} == "yes"
46.sinclude <meta.sys.mk>
47.elif ${MK_META_MODE} == "yes" && defined(.MAKEFLAGS)
48.if ${.MAKEFLAGS:M-B} == ""
49.MAKE.MODE= meta verbose
50.endif
51.endif
52.if ${MK_AUTO_OBJ} == "yes"
53# This needs to be done early - before .PATH is computed
54# Don't do this for 'make showconfig' as it enables all options where meta mode
55# is not expected.
56.if !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 ${.MAKEFLAGS:M-N}
146# bmake -N is supposed to skip executing anything but it does not skip
147# exeucting '+' commands.  The '+' feature is used where .MAKE
148# is not safe for the entire target.  -N is intended to skip building sub-makes
149# so it executing '+' commands is not right.  Work around the bug by not
150# setting '+' when -N is used.
151_+_		?=
152.else
153_+_		?=	+
154.endif
155
156.if defined(%POSIX)
157FC		?=	fort77
158FFLAGS		?=	-O 1
159.else
160FC		?=	f77
161FFLAGS		?=	-O
162.endif
163EFLAGS		?=
164
165INSTALL		?=	install
166
167LEX		?=	lex
168LFLAGS		?=
169
170LD		?=	ld
171LDFLAGS		?=				# LDFLAGS is for CC,
172_LDFLAGS	=	${LDFLAGS:S/-Wl,//g}	# strip -Wl, for LD
173
174LINT		?=	lint
175LINTFLAGS	?=	-cghapbx
176LINTKERNFLAGS	?=	${LINTFLAGS}
177LINTOBJFLAGS	?=	-cghapbxu -i
178LINTOBJKERNFLAGS?=	${LINTOBJFLAGS}
179LINTLIBFLAGS	?=	-cghapbxu -C ${LIB}
180
181MAKE		?=	make
182
183.if !defined(%POSIX)
184NM		?=	nm
185NMFLAGS		?=
186
187OBJC		?=	cc
188OBJCFLAGS	?=	${OBJCINCLUDES} ${CFLAGS} -Wno-import
189
190OBJCOPY		?=	objcopy
191
192OBJDUMP		?=	objdump
193
194PC		?=	pc
195PFLAGS		?=
196
197RC		?=	f77
198RFLAGS		?=
199.endif
200
201SHELL		?=	sh
202
203.if !defined(%POSIX)
204SIZE		?=	size
205.endif
206
207YACC		?=	yacc
208.if defined(%POSIX)
209YFLAGS		?=
210.else
211YFLAGS		?=	-d
212.endif
213
214.if defined(%POSIX)
215
216# Posix 1003.2 mandated rules
217#
218# Quoted directly from the Posix 1003.2 draft, only the macros
219# $@, $< and $* have been replaced by ${.TARGET}, ${.IMPSRC}, and
220# ${.PREFIX}, resp.
221
222# SINGLE SUFFIX RULES
223.c:
224	${CC} ${CFLAGS} ${LDFLAGS} -o ${.TARGET} ${.IMPSRC}
225
226.f:
227	${FC} ${FFLAGS} ${LDFLAGS} -o ${.TARGET} ${.IMPSRC}
228
229.sh:
230	cp -f ${.IMPSRC} ${.TARGET}
231	chmod a+x ${.TARGET}
232
233# DOUBLE SUFFIX RULES
234
235.c.o:
236	${CC} ${CFLAGS} -c ${.IMPSRC}
237
238.f.o:
239	${FC} ${FFLAGS} -c ${.IMPSRC}
240
241.y.o:
242	${YACC} ${YFLAGS} ${.IMPSRC}
243	${CC} ${CFLAGS} -c y.tab.c
244	rm -f y.tab.c
245	mv y.tab.o ${.TARGET}
246
247.l.o:
248	${LEX} ${LFLAGS} ${.IMPSRC}
249	${CC} ${CFLAGS} -c lex.yy.c
250	rm -f lex.yy.c
251	mv lex.yy.o ${.TARGET}
252
253.y.c:
254	${YACC} ${YFLAGS} ${.IMPSRC}
255	mv y.tab.c ${.TARGET}
256
257.l.c:
258	${LEX} ${LFLAGS} ${.IMPSRC}
259	mv lex.yy.c ${.TARGET}
260
261.c.a:
262	${CC} ${CFLAGS} -c ${.IMPSRC}
263	${AR} ${ARFLAGS} ${.TARGET} ${.PREFIX}.o
264	rm -f ${.PREFIX}.o
265
266.f.a:
267	${FC} ${FFLAGS} -c ${.IMPSRC}
268	${AR} ${ARFLAGS} ${.TARGET} ${.PREFIX}.o
269	rm -f ${.PREFIX}.o
270
271.else
272
273# non-Posix rule set
274
275.sh: .NOMETA
276	cp -fp ${.IMPSRC} ${.TARGET}
277	chmod a+x ${.TARGET}
278
279.c.ln:
280	${LINT} ${LINTOBJFLAGS} ${CFLAGS:M-[DIU]*} ${.IMPSRC} || \
281	    touch ${.TARGET}
282
283.cc.ln .C.ln .cpp.ln .cxx.ln:
284	${LINT} ${LINTOBJFLAGS} ${CXXFLAGS:M-[DIU]*} ${.IMPSRC} || \
285	    touch ${.TARGET}
286
287.c:
288	${CC} ${CFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} -o ${.TARGET}
289	${CTFCONVERT_CMD}
290
291.c.o:
292	${CC} ${CFLAGS} -c ${.IMPSRC} -o ${.TARGET}
293	${CTFCONVERT_CMD}
294
295.cc .cpp .cxx .C:
296	${CXX} ${CXXFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} -o ${.TARGET}
297
298.cc.o .cpp.o .cxx.o .C.o:
299	${CXX} ${CXXFLAGS} -c ${.IMPSRC} -o ${.TARGET}
300
301.m.o:
302	${OBJC} ${OBJCFLAGS} -c ${.IMPSRC} -o ${.TARGET}
303	${CTFCONVERT_CMD}
304
305.p.o:
306	${PC} ${PFLAGS} -c ${.IMPSRC} -o ${.TARGET}
307	${CTFCONVERT_CMD}
308
309.e .r .F .f:
310	${FC} ${RFLAGS} ${EFLAGS} ${FFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} \
311	    -o ${.TARGET}
312
313.e.o .r.o .F.o .f.o:
314	${FC} ${RFLAGS} ${EFLAGS} ${FFLAGS} -c ${.IMPSRC} -o ${.TARGET}
315
316.S.o:
317	${CC:N${CCACHE_BIN}} ${CFLAGS} ${ACFLAGS} -c ${.IMPSRC} -o ${.TARGET}
318	${CTFCONVERT_CMD}
319
320.asm.o:
321	${CC:N${CCACHE_BIN}} -x assembler-with-cpp ${CFLAGS} ${ACFLAGS} -c ${.IMPSRC} \
322	    -o ${.TARGET}
323	${CTFCONVERT_CMD}
324
325.s.o:
326	${AS} ${AFLAGS} -o ${.TARGET} ${.IMPSRC}
327	${CTFCONVERT_CMD}
328
329# XXX not -j safe
330.y.o:
331	${YACC} ${YFLAGS} ${.IMPSRC}
332	${CC} ${CFLAGS} -c y.tab.c -o ${.TARGET}
333	rm -f y.tab.c
334	${CTFCONVERT_CMD}
335
336.l.o:
337	${LEX} -t ${LFLAGS} ${.IMPSRC} > ${.PREFIX}.tmp.c
338	${CC} ${CFLAGS} -c ${.PREFIX}.tmp.c -o ${.TARGET}
339	rm -f ${.PREFIX}.tmp.c
340	${CTFCONVERT_CMD}
341
342# XXX not -j safe
343.y.c:
344	${YACC} ${YFLAGS} ${.IMPSRC}
345	mv y.tab.c ${.TARGET}
346
347.l.c:
348	${LEX} -t ${LFLAGS} ${.IMPSRC} > ${.TARGET}
349
350.s.out .c.out .o.out:
351	${CC} ${CFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} -o ${.TARGET}
352	${CTFCONVERT_CMD}
353
354.f.out .F.out .r.out .e.out:
355	${FC} ${EFLAGS} ${RFLAGS} ${FFLAGS} ${LDFLAGS} ${.IMPSRC} \
356	    ${LDLIBS} -o ${.TARGET}
357	rm -f ${.PREFIX}.o
358	${CTFCONVERT_CMD}
359
360# XXX not -j safe
361.y.out:
362	${YACC} ${YFLAGS} ${.IMPSRC}
363	${CC} ${CFLAGS} ${LDFLAGS} y.tab.c ${LDLIBS} -ly -o ${.TARGET}
364	rm -f y.tab.c
365	${CTFCONVERT_CMD}
366
367.l.out:
368	${LEX} -t ${LFLAGS} ${.IMPSRC} > ${.PREFIX}.tmp.c
369	${CC} ${CFLAGS} ${LDFLAGS} ${.PREFIX}.tmp.c ${LDLIBS} -ll -o ${.TARGET}
370	rm -f ${.PREFIX}.tmp.c
371	${CTFCONVERT_CMD}
372
373# Pull in global settings.
374__MAKE_CONF?=/etc/make.conf
375.if exists(${__MAKE_CONF})
376.include "${__MAKE_CONF}"
377.endif
378
379# late include for customization
380.sinclude <local.sys.mk>
381
382.if defined(__MAKE_SHELL) && !empty(__MAKE_SHELL)
383SHELL=	${__MAKE_SHELL}
384.SHELL: path=${__MAKE_SHELL}
385.endif
386
387# Tell bmake to expand -V VAR by default
388.MAKE.EXPAND_VARIABLES= yes
389
390# Tell bmake the makefile preference
391.MAKE.MAKEFILE_PREFERENCE= BSDmakefile makefile Makefile
392
393# Tell bmake to always pass job tokens, regardless of target depending on
394# .MAKE or looking like ${MAKE}/${.MAKE}/$(MAKE)/$(.MAKE)/make.
395.MAKE.ALWAYS_PASS_JOB_QUEUE= yes
396
397# By default bmake does *not* use set -e
398# when running target scripts, this is a problem for many makefiles here.
399# So define a shell that will do what FreeBSD expects.
400.ifndef WITHOUT_SHELL_ERRCTL
401__MAKE_SHELL?=/bin/sh
402.SHELL: name=sh \
403	quiet="set -" echo="set -v" filter="set -" \
404	hasErrCtl=yes check="set -e" ignore="set +e" \
405	echoFlag=v errFlag=e \
406	path=${__MAKE_SHELL}
407.endif
408
409.include <bsd.cpu.mk>
410
411.endif # ! Posix
412