xref: /freebsd/share/mk/sys.mk (revision dba62d8dcf57f741f505da18ca86302294deb6ef) 
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 ${MK_AUTO_OBJ} == "yes"
53# This needs to be done early - before .PATH is computed
54# Don't do this if just running 'make -V' (but do when inspecting .OBJDIR) or
55# 'make showconfig' (during makeman which enables all options when meta mode
56# is not expected)
57.if (${.MAKEFLAGS:M-V} == "" || ${.MAKEFLAGS:M.OBJDIR} != "") && \
58    !make(showconfig)
59.sinclude <auto.obj.mk>
60.endif
61.endif
62.else # bmake
63.include <bsd.mkopt.mk>
64.endif
65
66# If the special target .POSIX appears (without prerequisites or
67# commands) before the first noncomment line in the makefile, make shall
68# process the makefile as specified by the Posix 1003.2 specification.
69# make(1) sets the special macro %POSIX in this case (to the actual
70# value "1003.2", for what it's worth).
71#
72# The rules below use this macro to distinguish between Posix-compliant
73# and default behaviour.
74
75.if defined(%POSIX)
76.SUFFIXES:	.o .c .y .l .a .sh .f
77.else
78.SUFFIXES:	.out .a .ln .o .c .cc .cpp .cxx .C .m .F .f .e .r .y .l .S .asm .s .cl .p .h .sh
79.endif
80
81AR		?=	ar
82.if defined(%POSIX)
83ARFLAGS		?=	-rv
84.else
85ARFLAGS		?=	-crD
86.endif
87RANLIB		?=	ranlib
88.if !defined(%POSIX)
89RANLIBFLAGS	?=	-D
90.endif
91
92AS		?=	as
93AFLAGS		?=
94ACFLAGS		?=
95
96.if defined(%POSIX)
97CC		?=	c89
98CFLAGS		?=	-O
99.else
100CC		?=	cc
101.if ${MACHINE_CPUARCH} == "arm" || ${MACHINE_CPUARCH} == "mips"
102CFLAGS		?=	-O -pipe
103.else
104CFLAGS		?=	-O2 -pipe
105.endif
106.if defined(NO_STRICT_ALIASING)
107CFLAGS		+=	-fno-strict-aliasing
108.endif
109.endif
110PO_CFLAGS	?=	${CFLAGS}
111
112# cp(1) is used to copy source files to ${.OBJDIR}, make sure it can handle
113# read-only files as non-root by passing -f.
114CP		?=	cp -f
115
116CPP		?=	cpp
117
118# C Type Format data is required for DTrace
119CTFFLAGS	?=	-L VERSION
120
121CTFCONVERT	?=	ctfconvert
122CTFMERGE	?=	ctfmerge
123
124.if defined(CFLAGS) && (${CFLAGS:M-g} != "")
125CTFFLAGS	+=	-g
126.endif
127
128CXX		?=	c++
129CXXFLAGS	?=	${CFLAGS:N-std=*:N-Wnested-externs:N-W*-prototypes:N-Wno-pointer-sign:N-Wold-style-definition}
130PO_CXXFLAGS	?=	${CXXFLAGS}
131
132DTRACE		?=	dtrace
133DTRACEFLAGS	?=	-C -x nolibs
134
135.if empty(.MAKEFLAGS:M-s)
136ECHO		?=	echo
137ECHODIR		?=	echo
138.else
139ECHO		?=	true
140.if ${.MAKEFLAGS:M-s} == "-s"
141ECHODIR		?=	echo
142.else
143ECHODIR		?=	true
144.endif
145.endif
146
147.if ${.MAKEFLAGS:M-N}
148# bmake -N is supposed to skip executing anything but it does not skip
149# exeucting '+' commands.  The '+' feature is used where .MAKE
150# is not safe for the entire target.  -N is intended to skip building sub-makes
151# so it executing '+' commands is not right.  Work around the bug by not
152# setting '+' when -N is used.
153_+_		?=
154.else
155_+_		?=	+
156.endif
157
158.if defined(%POSIX)
159FC		?=	fort77
160FFLAGS		?=	-O 1
161.else
162FC		?=	f77
163FFLAGS		?=	-O
164.endif
165EFLAGS		?=
166
167INSTALL		?=	install
168
169LEX		?=	lex
170LFLAGS		?=
171
172LD		?=	ld
173LDFLAGS		?=				# LDFLAGS is for CC,
174_LDFLAGS	=	${LDFLAGS:S/-Wl,//g}	# strip -Wl, for LD
175
176LINT		?=	lint
177LINTFLAGS	?=	-cghapbx
178LINTKERNFLAGS	?=	${LINTFLAGS}
179LINTOBJFLAGS	?=	-cghapbxu -i
180LINTOBJKERNFLAGS?=	${LINTOBJFLAGS}
181LINTLIBFLAGS	?=	-cghapbxu -C ${LIB}
182
183MAKE		?=	make
184
185.if !defined(%POSIX)
186NM		?=	nm
187NMFLAGS		?=
188
189OBJC		?=	cc
190OBJCFLAGS	?=	${OBJCINCLUDES} ${CFLAGS} -Wno-import
191
192OBJCOPY		?=	objcopy
193
194OBJDUMP		?=	objdump
195
196PC		?=	pc
197PFLAGS		?=
198
199RC		?=	f77
200RFLAGS		?=
201.endif
202
203SHELL		?=	sh
204
205.if !defined(%POSIX)
206SIZE		?=	size
207.endif
208
209YACC		?=	yacc
210.if defined(%POSIX)
211YFLAGS		?=
212.else
213YFLAGS		?=	-d
214.endif
215
216.if defined(%POSIX)
217
218# Posix 1003.2 mandated rules
219#
220# Quoted directly from the Posix 1003.2 draft, only the macros
221# $@, $< and $* have been replaced by ${.TARGET}, ${.IMPSRC}, and
222# ${.PREFIX}, resp.
223
224# SINGLE SUFFIX RULES
225.c:
226	${CC} ${CFLAGS} ${LDFLAGS} -o ${.TARGET} ${.IMPSRC}
227
228.f:
229	${FC} ${FFLAGS} ${LDFLAGS} -o ${.TARGET} ${.IMPSRC}
230
231.sh:
232	cp -f ${.IMPSRC} ${.TARGET}
233	chmod a+x ${.TARGET}
234
235# DOUBLE SUFFIX RULES
236
237.c.o:
238	${CC} ${CFLAGS} -c ${.IMPSRC}
239
240.f.o:
241	${FC} ${FFLAGS} -c ${.IMPSRC}
242
243.y.o:
244	${YACC} ${YFLAGS} ${.IMPSRC}
245	${CC} ${CFLAGS} -c y.tab.c
246	rm -f y.tab.c
247	mv y.tab.o ${.TARGET}
248
249.l.o:
250	${LEX} ${LFLAGS} ${.IMPSRC}
251	${CC} ${CFLAGS} -c lex.yy.c
252	rm -f lex.yy.c
253	mv lex.yy.o ${.TARGET}
254
255.y.c:
256	${YACC} ${YFLAGS} ${.IMPSRC}
257	mv y.tab.c ${.TARGET}
258
259.l.c:
260	${LEX} ${LFLAGS} ${.IMPSRC}
261	mv lex.yy.c ${.TARGET}
262
263.c.a:
264	${CC} ${CFLAGS} -c ${.IMPSRC}
265	${AR} ${ARFLAGS} ${.TARGET} ${.PREFIX}.o
266	rm -f ${.PREFIX}.o
267
268.f.a:
269	${FC} ${FFLAGS} -c ${.IMPSRC}
270	${AR} ${ARFLAGS} ${.TARGET} ${.PREFIX}.o
271	rm -f ${.PREFIX}.o
272
273.else
274
275# non-Posix rule set
276
277.sh:
278	cp -fp ${.IMPSRC} ${.TARGET}
279	chmod a+x ${.TARGET}
280
281.c.ln:
282	${LINT} ${LINTOBJFLAGS} ${CFLAGS:M-[DIU]*} ${.IMPSRC} || \
283	    touch ${.TARGET}
284
285.cc.ln .C.ln .cpp.ln .cxx.ln:
286	${LINT} ${LINTOBJFLAGS} ${CXXFLAGS:M-[DIU]*} ${.IMPSRC} || \
287	    touch ${.TARGET}
288
289.c:
290	${CC} ${CFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} -o ${.TARGET}
291	${CTFCONVERT_CMD}
292
293.c.o:
294	${CC} ${CFLAGS} -c ${.IMPSRC} -o ${.TARGET}
295	${CTFCONVERT_CMD}
296
297.cc .cpp .cxx .C:
298	${CXX} ${CXXFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} -o ${.TARGET}
299
300.cc.o .cpp.o .cxx.o .C.o:
301	${CXX} ${CXXFLAGS} -c ${.IMPSRC} -o ${.TARGET}
302
303.m.o:
304	${OBJC} ${OBJCFLAGS} -c ${.IMPSRC} -o ${.TARGET}
305	${CTFCONVERT_CMD}
306
307.p.o:
308	${PC} ${PFLAGS} -c ${.IMPSRC} -o ${.TARGET}
309	${CTFCONVERT_CMD}
310
311.e .r .F .f:
312	${FC} ${RFLAGS} ${EFLAGS} ${FFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} \
313	    -o ${.TARGET}
314
315.e.o .r.o .F.o .f.o:
316	${FC} ${RFLAGS} ${EFLAGS} ${FFLAGS} -c ${.IMPSRC} -o ${.TARGET}
317
318.S.o:
319	${CC:N${CCACHE_BIN}} ${CFLAGS} ${ACFLAGS} -c ${.IMPSRC} -o ${.TARGET}
320	${CTFCONVERT_CMD}
321
322.asm.o:
323	${CC:N${CCACHE_BIN}} -x assembler-with-cpp ${CFLAGS} ${ACFLAGS} -c ${.IMPSRC} \
324	    -o ${.TARGET}
325	${CTFCONVERT_CMD}
326
327.s.o:
328	${AS} ${AFLAGS} -o ${.TARGET} ${.IMPSRC}
329	${CTFCONVERT_CMD}
330
331# XXX not -j safe
332.y.o:
333	${YACC} ${YFLAGS} ${.IMPSRC}
334	${CC} ${CFLAGS} -c y.tab.c -o ${.TARGET}
335	rm -f y.tab.c
336	${CTFCONVERT_CMD}
337
338.l.o:
339	${LEX} -t ${LFLAGS} ${.IMPSRC} > ${.PREFIX}.tmp.c
340	${CC} ${CFLAGS} -c ${.PREFIX}.tmp.c -o ${.TARGET}
341	rm -f ${.PREFIX}.tmp.c
342	${CTFCONVERT_CMD}
343
344# XXX not -j safe
345.y.c:
346	${YACC} ${YFLAGS} ${.IMPSRC}
347	mv y.tab.c ${.TARGET}
348
349.l.c:
350	${LEX} -t ${LFLAGS} ${.IMPSRC} > ${.TARGET}
351
352.s.out .c.out .o.out:
353	${CC} ${CFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} -o ${.TARGET}
354	${CTFCONVERT_CMD}
355
356.f.out .F.out .r.out .e.out:
357	${FC} ${EFLAGS} ${RFLAGS} ${FFLAGS} ${LDFLAGS} ${.IMPSRC} \
358	    ${LDLIBS} -o ${.TARGET}
359	rm -f ${.PREFIX}.o
360	${CTFCONVERT_CMD}
361
362# XXX not -j safe
363.y.out:
364	${YACC} ${YFLAGS} ${.IMPSRC}
365	${CC} ${CFLAGS} ${LDFLAGS} y.tab.c ${LDLIBS} -ly -o ${.TARGET}
366	rm -f y.tab.c
367	${CTFCONVERT_CMD}
368
369.l.out:
370	${LEX} -t ${LFLAGS} ${.IMPSRC} > ${.PREFIX}.tmp.c
371	${CC} ${CFLAGS} ${LDFLAGS} ${.PREFIX}.tmp.c ${LDLIBS} -ll -o ${.TARGET}
372	rm -f ${.PREFIX}.tmp.c
373	${CTFCONVERT_CMD}
374
375# Pull in global settings.
376__MAKE_CONF?=/etc/make.conf
377.if exists(${__MAKE_CONF})
378.include "${__MAKE_CONF}"
379.endif
380
381# late include for customization
382.sinclude <local.sys.mk>
383
384.if defined(__MAKE_SHELL) && !empty(__MAKE_SHELL)
385SHELL=	${__MAKE_SHELL}
386.SHELL: path=${__MAKE_SHELL}
387.endif
388
389# Tell bmake to expand -V VAR by default
390.MAKE.EXPAND_VARIABLES= yes
391
392# Tell bmake the makefile preference
393.MAKE.MAKEFILE_PREFERENCE= BSDmakefile makefile Makefile
394
395# Tell bmake to always pass job tokens, regardless of target depending on
396# .MAKE or looking like ${MAKE}/${.MAKE}/$(MAKE)/$(.MAKE)/make.
397.MAKE.ALWAYS_PASS_JOB_QUEUE= yes
398
399# By default bmake does *not* use set -e
400# when running target scripts, this is a problem for many makefiles here.
401# So define a shell that will do what FreeBSD expects.
402.ifndef WITHOUT_SHELL_ERRCTL
403__MAKE_SHELL?=/bin/sh
404.SHELL: name=sh \
405	quiet="set -" echo="set -v" filter="set -" \
406	hasErrCtl=yes check="set -e" ignore="set +e" \
407	echoFlag=v errFlag=e \
408	path=${__MAKE_SHELL}
409.endif
410
411.include <bsd.cpu.mk>
412
413.endif # ! Posix
414