xref: /freebsd/share/mk/bsd.prog.mk (revision 245bb0110639fe963086fb2903143dbd4e6ac48c) 
1#	from: @(#)bsd.prog.mk	5.26 (Berkeley) 6/25/91
2
3.include <bsd.init.mk>
4.include <bsd.compiler.mk>
5.include <bsd.linker.mk>
6
7.include <bsd.suffixes-extra.mk>
8
9# XXX The use of COPTS in modern makefiles is discouraged.
10.if defined(COPTS)
11.warning ${.CURDIR}: COPTS should be CFLAGS.
12CFLAGS+=${COPTS}
13.endif
14
15.if ${MK_ASSERT_DEBUG} == "no"
16CFLAGS+= -DNDEBUG
17# XXX: shouldn't we ensure that !asserts marks potentially unused variables as
18# __unused instead of disabling -Werror globally?
19MK_WERROR=	no
20.endif
21
22.if defined(DEBUG_FLAGS)
23CFLAGS+=${DEBUG_FLAGS}
24CXXFLAGS+=${DEBUG_FLAGS}
25
26.if ${MK_CTF} != "no" && ${DEBUG_FLAGS:M-g} != ""
27CTFFLAGS+= -g
28.endif
29.endif
30
31.if defined(PROG_CXX)
32PROG=	${PROG_CXX}
33.endif
34
35.if !empty(LDFLAGS:M-Wl,*--oformat,*) || !empty(LDFLAGS:M-static)
36MK_DEBUG_FILES=	no
37.endif
38
39# ELF hardening knobs
40.if ${MK_BIND_NOW} != "no"
41LDFLAGS+= -Wl,-znow
42.endif
43.if ${LINKER_TYPE} != "mac"
44.if ${MK_RELRO} == "no"
45LDFLAGS+= -Wl,-znorelro
46.else
47LDFLAGS+= -Wl,-zrelro
48.endif
49.endif
50# Static PIE is not yet supported/tested.
51.if ${MK_PIE} != "no" && (!defined(NO_SHARED) || ${NO_SHARED:tl} == "no")
52CFLAGS+= -fPIE
53CXXFLAGS+= -fPIE
54LDFLAGS+= -pie
55OBJ_EXT=pieo
56.else
57OBJ_EXT=o
58.endif
59.if ${MK_RETPOLINE} != "no"
60.if ${COMPILER_FEATURES:Mretpoline} && ${LINKER_FEATURES:Mretpoline}
61CFLAGS+= -mretpoline
62CXXFLAGS+= -mretpoline
63# retpolineplt is broken with static linking (PR 233336)
64.if !defined(NO_SHARED) || ${NO_SHARED:tl} == "no"
65LDFLAGS+= -Wl,-zretpolineplt
66.endif
67.else
68.warning Retpoline requested but not supported by compiler or linker
69.endif
70.endif
71# LLD sensibly defaults to -znoexecstack, so do the same for BFD
72LDFLAGS.bfd+= -Wl,-znoexecstack
73.if ${MK_BRANCH_PROTECTION} != "no"
74CFLAGS+=  -mbranch-protection=standard
75.if ${LINKER_FEATURES:Mbti-report} && defined(BTI_REPORT_ERROR)
76LDFLAGS+= -Wl,-zbti-report=error
77.endif
78.endif
79
80# Initialize stack variables on function entry
81.if ${OPT_INIT_ALL} != "none"
82.if ${COMPILER_FEATURES:Minit-all}
83CFLAGS+= -ftrivial-auto-var-init=${OPT_INIT_ALL}
84CXXFLAGS+= -ftrivial-auto-var-init=${OPT_INIT_ALL}
85.if ${OPT_INIT_ALL} == "zero" && ${COMPILER_TYPE} == "clang" && ${COMPILER_VERSION} < 160000
86CFLAGS+= -enable-trivial-auto-var-init-zero-knowing-it-will-be-removed-from-clang
87CXXFLAGS+= -enable-trivial-auto-var-init-zero-knowing-it-will-be-removed-from-clang
88.endif
89.else
90.warning INIT_ALL (${OPT_INIT_ALL}) requested but not supported by compiler
91.endif
92.endif
93
94# Zero used registers on return (mitigate some ROP)
95.if ${MK_ZEROREGS} != "no"
96.if ${COMPILER_FEATURES:Mzeroregs}
97ZEROREG_TYPE?= used
98CFLAGS+= -fzero-call-used-regs=${ZEROREG_TYPE}
99CXXFLAGS+= -fzero-call-used-regs=${ZEROREG_TYPE}
100.endif
101.endif
102
103# bsd.sanitizer.mk is not installed, so don't require it (e.g. for ports).
104.sinclude "bsd.sanitizer.mk"
105
106.if ${MACHINE_CPUARCH} == "riscv" && ${LINKER_FEATURES:Mriscv-relaxations} == ""
107CFLAGS += -mno-relax
108.endif
109
110.if defined(CRUNCH_CFLAGS)
111CFLAGS+=${CRUNCH_CFLAGS}
112.else
113.if ${MK_DEBUG_FILES} != "no" && empty(DEBUG_FLAGS:M-g) && \
114    empty(DEBUG_FLAGS:M-gdwarf-*)
115.if !${COMPILER_FEATURES:Mcompressed-debug}
116CFLAGS+= ${DEBUG_FILES_CFLAGS:N-gz*}
117.else
118CFLAGS+= ${DEBUG_FILES_CFLAGS}
119.endif
120CTFFLAGS+= -g
121.endif
122.endif
123
124.if !defined(DEBUG_FLAGS)
125STRIP?=	-s
126.endif
127
128.if defined(NO_ROOT)
129.if !defined(TAGS) || ! ${TAGS:Mpackage=*}
130TAGS+=		package=${PACKAGE:Uutilities}
131.endif
132TAG_ARGS=	-T ${TAGS:[*]:S/ /,/g}
133.endif
134
135.if defined(NO_SHARED) && ${NO_SHARED:tl} != "no"
136LDFLAGS+= -static
137.endif
138
139.if ${MK_DEBUG_FILES} != "no"
140PROG_FULL=${PROG}.full
141# Use ${DEBUGDIR} for base system debug files, else .debug subdirectory
142.if defined(BINDIR) && (\
143    ${BINDIR} == "/bin" ||\
144    ${BINDIR:C%/libexec(/.*)?%/libexec%} == "/libexec" ||\
145    ${BINDIR} == "/sbin" ||\
146    ${BINDIR:C%/usr/(bin|bsdinstall|libexec|lpr|sendmail|sm.bin|sbin|tests)(/.*)?%/usr/bin%} == "/usr/bin" ||\
147    ${BINDIR} == "/usr/lib" \
148     )
149DEBUGFILEDIR=	${DEBUGDIR}${BINDIR}
150.else
151DEBUGFILEDIR?=	${BINDIR}/.debug
152.endif
153.if !exists(${DESTDIR}${DEBUGFILEDIR})
154DEBUGMKDIR=
155.endif
156.else
157PROG_FULL=	${PROG}
158.endif
159
160.if defined(PROG)
161PROGNAME?=	${PROG}
162
163.if defined(SRCS)
164
165OBJS+=  ${SRCS:N*.h:${OBJS_SRCS_FILTER:ts:}:S/$/.${OBJ_EXT}/g}
166
167# LLVM bitcode / textual IR representations of the program
168BCOBJS+=${SRCS:N*.[hsS]:N*.asm:${OBJS_SRCS_FILTER:ts:}:S/$/.bco/g}
169LLOBJS+=${SRCS:N*.[hsS]:N*.asm:${OBJS_SRCS_FILTER:ts:}:S/$/.llo/g}
170
171.if target(beforelinking)
172beforelinking: ${OBJS}
173${PROG_FULL}: beforelinking
174.endif
175${PROG_FULL}: ${OBJS}
176.if defined(PROG_CXX)
177	${CXX:N${CCACHE_BIN}} ${CXXFLAGS:N-M*} ${LDFLAGS} -o ${.TARGET} \
178	    ${OBJS} ${LDADD}
179.else
180	${CC:N${CCACHE_BIN}} ${CFLAGS:N-M*} ${LDFLAGS} -o ${.TARGET} ${OBJS} \
181	    ${LDADD}
182.endif
183.if ${MK_CTF} != "no"
184	${CTFMERGE} ${CTFFLAGS} -o ${.TARGET} ${OBJS}
185.endif
186
187.else	# !defined(SRCS)
188
189.if !target(${PROG})
190.if defined(PROG_CXX)
191SRCS=	${PROG}.cc
192.else
193SRCS=	${PROG}.c
194.endif
195
196# Always make an intermediate object file because:
197# - it saves time rebuilding when only the library has changed
198# - the name of the object gets put into the executable symbol table instead of
199#   the name of a variable temporary object.
200# - it's useful to keep objects around for crunching.
201OBJS+=		${PROG}.${OBJ_EXT}
202BCOBJS+=	${PROG}.bc
203LLOBJS+=	${PROG}.ll
204CLEANFILES+=	${PROG}.${OBJ_EXT} ${PROG}.bc ${PROG}.ll
205
206.if target(beforelinking)
207beforelinking: ${OBJS}
208${PROG_FULL}: beforelinking
209.endif
210${PROG_FULL}: ${OBJS}
211.if defined(PROG_CXX)
212	${CXX:N${CCACHE_BIN}} ${CXXFLAGS:N-M*} ${LDFLAGS} -o ${.TARGET} \
213	    ${OBJS} ${LDADD}
214.else
215	${CC:N${CCACHE_BIN}} ${CFLAGS:N-M*} ${LDFLAGS} -o ${.TARGET} ${OBJS} \
216	    ${LDADD}
217.endif
218.if ${MK_CTF} != "no"
219	${CTFMERGE} ${CTFFLAGS} -o ${.TARGET} ${OBJS}
220.endif
221.endif # !target(${PROG})
222
223.endif # !defined(SRCS)
224
225.if ${MK_DEBUG_FILES} != "no"
226${PROG}: ${PROG_FULL} ${PROGNAME}.debug
227	${OBJCOPY} --strip-debug --add-gnu-debuglink=${PROGNAME}.debug \
228	    ${PROG_FULL} ${.TARGET}
229
230${PROGNAME}.debug: ${PROG_FULL}
231	${OBJCOPY} --only-keep-debug ${PROG_FULL} ${.TARGET}
232.endif
233
234.if defined(LLVM_LINK)
235${PROG_FULL}.bc: ${BCOBJS}
236	${LLVM_LINK} -o ${.TARGET} ${BCOBJS}
237
238${PROG_FULL}.ll: ${LLOBJS}
239	${LLVM_LINK} -S -o ${.TARGET} ${LLOBJS}
240
241CLEANFILES+=	${PROG_FULL}.bc ${PROG_FULL}.ll
242.endif # defined(LLVM_LINK)
243
244.if	${MK_MAN} != "no" && !defined(MAN) && \
245	!defined(MAN1) && !defined(MAN2) && !defined(MAN3) && \
246	!defined(MAN4) && !defined(MAN5) && !defined(MAN6) && \
247	!defined(MAN7) && !defined(MAN8) && !defined(MAN9)
248MAN=	${PROG}.1
249MAN1=	${MAN}
250.endif
251.endif # defined(PROG)
252
253.if defined(_SKIP_BUILD)
254all:
255.else
256.if target(afterbuild)
257.ORDER: ${PROG} afterbuild
258all: ${PROG} ${SCRIPTS} afterbuild
259.else
260all: ${PROG} ${SCRIPTS}
261.endif
262.if ${MK_MAN} != "no"
263all: all-man
264.endif
265.endif
266
267.if defined(PROG)
268CLEANFILES+= ${PROG} ${PROG}.bc ${PROG}.ll
269.if ${MK_DEBUG_FILES} != "no"
270CLEANFILES+= ${PROG_FULL} ${PROGNAME}.debug
271.endif
272.endif
273
274.if defined(OBJS)
275CLEANFILES+= ${OBJS} ${BCOBJS} ${LLOBJS}
276.endif
277
278.include <bsd.libnames.mk>
279
280.if defined(PROG)
281.if !defined(NO_EXTRADEPEND)
282_EXTRADEPEND:
283.if defined(LDFLAGS) && !empty(LDFLAGS:M-nostdlib)
284.if defined(DPADD) && !empty(DPADD)
285	echo ${PROG_FULL}: ${DPADD} >> ${DEPENDFILE}
286.endif
287.else
288	echo ${PROG_FULL}: ${LIBC} ${DPADD} >> ${DEPENDFILE}
289.if defined(PROG_CXX)
290	echo ${PROG_FULL}: ${LIBCPLUSPLUS} >> ${DEPENDFILE}
291.endif
292.endif
293.endif	# !defined(NO_EXTRADEPEND)
294.endif
295
296.if !target(install)
297
298.if defined(PRECIOUSPROG)
299.if !defined(NO_FSCHG)
300INSTALLFLAGS+= -fschg
301.endif
302INSTALLFLAGS+= -S
303.endif
304
305_INSTALLFLAGS:=	${INSTALLFLAGS}
306.for ie in ${INSTALLFLAGS_EDIT}
307_INSTALLFLAGS:=	${_INSTALLFLAGS${ie}}
308.endfor
309
310.if !target(realinstall) && !defined(INTERNALPROG)
311realinstall: _proginstall
312.ORDER: beforeinstall _proginstall
313_proginstall:
314.if defined(PROG)
315	${INSTALL} ${TAG_ARGS} ${STRIP} -o ${BINOWN} -g ${BINGRP} -m ${BINMODE} \
316	    ${_INSTALLFLAGS} ${PROG} ${DESTDIR}${BINDIR}/${PROGNAME}
317.if ${MK_DEBUG_FILES} != "no"
318.if defined(DEBUGMKDIR)
319	${INSTALL} ${TAG_ARGS:D${TAG_ARGS},dbg} -d ${DESTDIR}${DEBUGFILEDIR}/
320.endif
321	${INSTALL} ${TAG_ARGS:D${TAG_ARGS},dbg} -o ${BINOWN} -g ${BINGRP} -m ${DEBUGMODE} \
322	    ${PROGNAME}.debug ${DESTDIR}${DEBUGFILEDIR}/${PROGNAME}.debug
323.endif
324.endif
325.endif	# !target(realinstall)
326
327.if defined(SCRIPTS) && !empty(SCRIPTS)
328realinstall: _scriptsinstall
329.ORDER: beforeinstall _scriptsinstall
330
331SCRIPTSDIR?=	${BINDIR}
332SCRIPTSOWN?=	${BINOWN}
333SCRIPTSGRP?=	${BINGRP}
334SCRIPTSMODE?=	${BINMODE}
335
336STAGE_AS_SETS+= scripts
337stage_as.scripts: ${SCRIPTS}
338FLAGS.stage_as.scripts= -m ${SCRIPTSMODE}
339STAGE_FILES_DIR.scripts= ${STAGE_OBJTOP}
340.for script in ${SCRIPTS}
341.if defined(SCRIPTSNAME)
342SCRIPTSNAME_${script:T}?=	${SCRIPTSNAME}
343.else
344SCRIPTSNAME_${script:T}?=	${script:T:R}
345.endif
346SCRIPTSDIR_${script:T}?=	${SCRIPTSDIR}
347SCRIPTSOWN_${script:T}?=	${SCRIPTSOWN}
348SCRIPTSGRP_${script:T}?=	${SCRIPTSGRP}
349SCRIPTSMODE_${script:T}?=	${SCRIPTSMODE}
350STAGE_AS_${script:T}=		${SCRIPTSDIR_${script:T}}/${SCRIPTSNAME_${script:T}}
351_scriptsinstall: _SCRIPTSINS_${script:T}
352_SCRIPTSINS_${script:T}: ${script}
353	${INSTALL} ${TAG_ARGS} -o ${SCRIPTSOWN_${.ALLSRC:T}} \
354	    -g ${SCRIPTSGRP_${.ALLSRC:T}} -m ${SCRIPTSMODE_${.ALLSRC:T}} \
355	    ${.ALLSRC} \
356	    ${DESTDIR}${SCRIPTSDIR_${.ALLSRC:T}}/${SCRIPTSNAME_${.ALLSRC:T}}
357.endfor
358.endif
359
360NLSNAME?=	${PROG}
361.include <bsd.nls.mk>
362
363.include <bsd.confs.mk>
364.include <bsd.files.mk>
365.include <bsd.incs.mk>
366
367LINKOWN?=	${BINOWN}
368LINKGRP?=	${BINGRP}
369LINKMODE?=	${BINMODE}
370.include <bsd.links.mk>
371
372.if ${MK_MAN} != "no"
373realinstall: maninstall
374.ORDER: beforeinstall maninstall
375.endif
376
377.endif	# !target(install)
378
379.if ${MK_MAN} != "no"
380.include <bsd.man.mk>
381.endif
382
383.if defined(HAS_TESTS)
384MAKE+=			MK_MAKE_CHECK_USE_SANDBOX=yes
385SUBDIR_TARGETS+=	check
386TESTS_LD_LIBRARY_PATH+=	${.OBJDIR}
387TESTS_PATH+=		${.OBJDIR}
388.endif
389
390.if defined(PROG)
391OBJS_DEPEND_GUESS+= ${SRCS:M*.h}
392.endif
393
394.include <bsd.dep.mk>
395.include <bsd.clang-analyze.mk>
396.include <bsd.obj.mk>
397.include <bsd.sys.mk>
398