xref: /freebsd/share/mk/bsd.prog.mk (revision 535af610) 
1#	from: @(#)bsd.prog.mk	5.26 (Berkeley) 6/25/91
2# $FreeBSD$
3
4.include <bsd.init.mk>
5.include <bsd.compiler.mk>
6.include <bsd.linker.mk>
7
8.SUFFIXES: .out .o .bc .c .cc .cpp .cxx .C .m .y .l .ll .ln .s .S .asm
9
10# XXX The use of COPTS in modern makefiles is discouraged.
11.if defined(COPTS)
12.warning ${.CURDIR}: COPTS should be CFLAGS.
13CFLAGS+=${COPTS}
14.endif
15
16.if ${MK_ASSERT_DEBUG} == "no"
17CFLAGS+= -DNDEBUG
18# XXX: shouldn't we ensure that !asserts marks potentially unused variables as
19# __unused instead of disabling -Werror globally?
20MK_WERROR=	no
21.endif
22
23.if defined(DEBUG_FLAGS)
24CFLAGS+=${DEBUG_FLAGS}
25CXXFLAGS+=${DEBUG_FLAGS}
26
27.if ${MK_CTF} != "no" && ${DEBUG_FLAGS:M-g} != ""
28CTFFLAGS+= -g
29.endif
30.endif
31
32.if defined(PROG_CXX)
33PROG=	${PROG_CXX}
34.endif
35
36.if !empty(LDFLAGS:M-Wl,*--oformat,*) || !empty(LDFLAGS:M-static)
37MK_DEBUG_FILES=	no
38.endif
39
40# ELF hardening knobs
41.if ${MK_BIND_NOW} != "no"
42LDFLAGS+= -Wl,-znow
43.endif
44.if ${LINKER_TYPE} != "mac"
45.if ${MK_RELRO} == "no"
46LDFLAGS+= -Wl,-znorelro
47.else
48LDFLAGS+= -Wl,-zrelro
49.endif
50.endif
51.if ${MK_PIE} != "no"
52# Static PIE is not yet supported/tested.
53.if !defined(NO_SHARED) || ${NO_SHARED:tl} == "no"
54CFLAGS+= -fPIE
55CXXFLAGS+= -fPIE
56LDFLAGS+= -pie
57.endif
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
74# Initialize stack variables on function entry
75.if ${MK_INIT_ALL_ZERO} == "yes"
76.if ${COMPILER_FEATURES:Minit-all}
77CFLAGS+= -ftrivial-auto-var-init=zero
78CXXFLAGS+= -ftrivial-auto-var-init=zero
79.if ${COMPILER_TYPE} == "clang" && ${COMPILER_VERSION} < 160000
80CFLAGS+= -enable-trivial-auto-var-init-zero-knowing-it-will-be-removed-from-clang
81CXXFLAGS+= -enable-trivial-auto-var-init-zero-knowing-it-will-be-removed-from-clang
82.endif
83.else
84.warning InitAll (zeros) requested but not supported by compiler
85.endif
86.elif ${MK_INIT_ALL_PATTERN} == "yes"
87.if ${COMPILER_FEATURES:Minit-all}
88CFLAGS+= -ftrivial-auto-var-init=pattern
89CXXFLAGS+= -ftrivial-auto-var-init=pattern
90.else
91.warning InitAll (pattern) requested but not supported by compiler
92.endif
93.endif
94
95# bsd.sanitizer.mk is not installed, so don't require it (e.g. for ports).
96.sinclude "bsd.sanitizer.mk"
97
98.if ${MACHINE_CPUARCH} == "riscv" && ${LINKER_FEATURES:Mriscv-relaxations} == ""
99CFLAGS += -mno-relax
100.endif
101
102.if defined(CRUNCH_CFLAGS)
103CFLAGS+=${CRUNCH_CFLAGS}
104.else
105.if ${MK_DEBUG_FILES} != "no" && empty(DEBUG_FLAGS:M-g) && \
106    empty(DEBUG_FLAGS:M-gdwarf-*)
107.if !${COMPILER_FEATURES:Mcompressed-debug}
108CFLAGS+= ${DEBUG_FILES_CFLAGS:N-gz*}
109.else
110CFLAGS+= ${DEBUG_FILES_CFLAGS}
111.endif
112CTFFLAGS+= -g
113.endif
114.endif
115
116.if !defined(DEBUG_FLAGS)
117STRIP?=	-s
118.endif
119
120.if defined(NO_ROOT)
121.if !defined(TAGS) || ! ${TAGS:Mpackage=*}
122TAGS+=		package=${PACKAGE:Uutilities}
123.endif
124TAG_ARGS=	-T ${TAGS:[*]:S/ /,/g}
125.endif
126
127.if defined(NO_SHARED) && ${NO_SHARED:tl} != "no"
128LDFLAGS+= -static
129.endif
130
131.if ${MK_DEBUG_FILES} != "no"
132PROG_FULL=${PROG}.full
133# Use ${DEBUGDIR} for base system debug files, else .debug subdirectory
134.if defined(BINDIR) && (\
135    ${BINDIR} == "/bin" ||\
136    ${BINDIR:C%/libexec(/.*)?%/libexec%} == "/libexec" ||\
137    ${BINDIR} == "/sbin" ||\
138    ${BINDIR:C%/usr/(bin|bsdinstall|libexec|lpr|sendmail|sm.bin|sbin|tests)(/.*)?%/usr/bin%} == "/usr/bin" ||\
139    ${BINDIR} == "/usr/lib" \
140     )
141DEBUGFILEDIR=	${DEBUGDIR}${BINDIR}
142.else
143DEBUGFILEDIR?=	${BINDIR}/.debug
144.endif
145.if !exists(${DESTDIR}${DEBUGFILEDIR})
146DEBUGMKDIR=
147.endif
148.else
149PROG_FULL=	${PROG}
150.endif
151
152.if defined(PROG)
153PROGNAME?=	${PROG}
154
155.if defined(SRCS)
156
157OBJS+=  ${SRCS:N*.h:${OBJS_SRCS_FILTER:ts:}:S/$/.o/g}
158
159# LLVM bitcode / textual IR representations of the program
160BCOBJS+=${SRCS:N*.[hsS]:N*.asm:${OBJS_SRCS_FILTER:ts:}:S/$/.bco/g}
161LLOBJS+=${SRCS:N*.[hsS]:N*.asm:${OBJS_SRCS_FILTER:ts:}:S/$/.llo/g}
162
163.if target(beforelinking)
164beforelinking: ${OBJS}
165${PROG_FULL}: beforelinking
166.endif
167${PROG_FULL}: ${OBJS}
168.if defined(PROG_CXX)
169	${CXX:N${CCACHE_BIN}} ${CXXFLAGS:N-M*} ${LDFLAGS} -o ${.TARGET} \
170	    ${OBJS} ${LDADD}
171.else
172	${CC:N${CCACHE_BIN}} ${CFLAGS:N-M*} ${LDFLAGS} -o ${.TARGET} ${OBJS} \
173	    ${LDADD}
174.endif
175.if ${MK_CTF} != "no"
176	${CTFMERGE} ${CTFFLAGS} -o ${.TARGET} ${OBJS}
177.endif
178
179.else	# !defined(SRCS)
180
181.if !target(${PROG})
182.if defined(PROG_CXX)
183SRCS=	${PROG}.cc
184.else
185SRCS=	${PROG}.c
186.endif
187
188# Always make an intermediate object file because:
189# - it saves time rebuilding when only the library has changed
190# - the name of the object gets put into the executable symbol table instead of
191#   the name of a variable temporary object.
192# - it's useful to keep objects around for crunching.
193OBJS+=		${PROG}.o
194BCOBJS+=	${PROG}.bc
195LLOBJS+=	${PROG}.ll
196CLEANFILES+=	${PROG}.o ${PROG}.bc ${PROG}.ll
197
198.if target(beforelinking)
199beforelinking: ${OBJS}
200${PROG_FULL}: beforelinking
201.endif
202${PROG_FULL}: ${OBJS}
203.if defined(PROG_CXX)
204	${CXX:N${CCACHE_BIN}} ${CXXFLAGS:N-M*} ${LDFLAGS} -o ${.TARGET} \
205	    ${OBJS} ${LDADD}
206.else
207	${CC:N${CCACHE_BIN}} ${CFLAGS:N-M*} ${LDFLAGS} -o ${.TARGET} ${OBJS} \
208	    ${LDADD}
209.endif
210.if ${MK_CTF} != "no"
211	${CTFMERGE} ${CTFFLAGS} -o ${.TARGET} ${OBJS}
212.endif
213.endif # !target(${PROG})
214
215.endif # !defined(SRCS)
216
217.if ${MK_DEBUG_FILES} != "no"
218${PROG}: ${PROG_FULL} ${PROGNAME}.debug
219	${OBJCOPY} --strip-debug --add-gnu-debuglink=${PROGNAME}.debug \
220	    ${PROG_FULL} ${.TARGET}
221
222${PROGNAME}.debug: ${PROG_FULL}
223	${OBJCOPY} --only-keep-debug ${PROG_FULL} ${.TARGET}
224.endif
225
226.if defined(LLVM_LINK)
227${PROG_FULL}.bc: ${BCOBJS}
228	${LLVM_LINK} -o ${.TARGET} ${BCOBJS}
229
230${PROG_FULL}.ll: ${LLOBJS}
231	${LLVM_LINK} -S -o ${.TARGET} ${LLOBJS}
232
233CLEANFILES+=	${PROG_FULL}.bc ${PROG_FULL}.ll
234.endif # defined(LLVM_LINK)
235
236.if	${MK_MAN} != "no" && !defined(MAN) && \
237	!defined(MAN1) && !defined(MAN2) && !defined(MAN3) && \
238	!defined(MAN4) && !defined(MAN5) && !defined(MAN6) && \
239	!defined(MAN7) && !defined(MAN8) && !defined(MAN9)
240MAN=	${PROG}.1
241MAN1=	${MAN}
242.endif
243.endif # defined(PROG)
244
245.if defined(_SKIP_BUILD)
246all:
247.else
248.if target(afterbuild)
249.ORDER: ${PROG} afterbuild
250all: ${PROG} ${SCRIPTS} afterbuild
251.else
252all: ${PROG} ${SCRIPTS}
253.endif
254.if ${MK_MAN} != "no"
255all: all-man
256.endif
257.endif
258
259.if defined(PROG)
260CLEANFILES+= ${PROG} ${PROG}.bc ${PROG}.ll
261.if ${MK_DEBUG_FILES} != "no"
262CLEANFILES+= ${PROG_FULL} ${PROGNAME}.debug
263.endif
264.endif
265
266.if defined(OBJS)
267CLEANFILES+= ${OBJS} ${BCOBJS} ${LLOBJS}
268.endif
269
270.include <bsd.libnames.mk>
271
272.if defined(PROG)
273.if !defined(NO_EXTRADEPEND)
274_EXTRADEPEND:
275.if defined(LDFLAGS) && !empty(LDFLAGS:M-nostdlib)
276.if defined(DPADD) && !empty(DPADD)
277	echo ${PROG_FULL}: ${DPADD} >> ${DEPENDFILE}
278.endif
279.else
280	echo ${PROG_FULL}: ${LIBC} ${DPADD} >> ${DEPENDFILE}
281.if defined(PROG_CXX)
282	echo ${PROG_FULL}: ${LIBCPLUSPLUS} >> ${DEPENDFILE}
283.endif
284.endif
285.endif	# !defined(NO_EXTRADEPEND)
286.endif
287
288.if !target(install)
289
290.if defined(PRECIOUSPROG)
291.if !defined(NO_FSCHG)
292INSTALLFLAGS+= -fschg
293.endif
294INSTALLFLAGS+= -S
295.endif
296
297_INSTALLFLAGS:=	${INSTALLFLAGS}
298.for ie in ${INSTALLFLAGS_EDIT}
299_INSTALLFLAGS:=	${_INSTALLFLAGS${ie}}
300.endfor
301
302.if !target(realinstall) && !defined(INTERNALPROG)
303realinstall: _proginstall
304.ORDER: beforeinstall _proginstall
305_proginstall:
306.if defined(PROG)
307	${INSTALL} ${TAG_ARGS} ${STRIP} -o ${BINOWN} -g ${BINGRP} -m ${BINMODE} \
308	    ${_INSTALLFLAGS} ${PROG} ${DESTDIR}${BINDIR}/${PROGNAME}
309.if ${MK_DEBUG_FILES} != "no"
310.if defined(DEBUGMKDIR)
311	${INSTALL} ${TAG_ARGS:D${TAG_ARGS},dbg} -d ${DESTDIR}${DEBUGFILEDIR}/
312.endif
313	${INSTALL} ${TAG_ARGS:D${TAG_ARGS},dbg} -o ${BINOWN} -g ${BINGRP} -m ${DEBUGMODE} \
314	    ${PROGNAME}.debug ${DESTDIR}${DEBUGFILEDIR}/${PROGNAME}.debug
315.endif
316.endif
317.endif	# !target(realinstall)
318
319.if defined(SCRIPTS) && !empty(SCRIPTS)
320realinstall: _scriptsinstall
321.ORDER: beforeinstall _scriptsinstall
322
323SCRIPTSDIR?=	${BINDIR}
324SCRIPTSOWN?=	${BINOWN}
325SCRIPTSGRP?=	${BINGRP}
326SCRIPTSMODE?=	${BINMODE}
327
328STAGE_AS_SETS+= scripts
329stage_as.scripts: ${SCRIPTS}
330FLAGS.stage_as.scripts= -m ${SCRIPTSMODE}
331STAGE_FILES_DIR.scripts= ${STAGE_OBJTOP}
332.for script in ${SCRIPTS}
333.if defined(SCRIPTSNAME)
334SCRIPTSNAME_${script:T}?=	${SCRIPTSNAME}
335.else
336SCRIPTSNAME_${script:T}?=	${script:T:R}
337.endif
338SCRIPTSDIR_${script:T}?=	${SCRIPTSDIR}
339SCRIPTSOWN_${script:T}?=	${SCRIPTSOWN}
340SCRIPTSGRP_${script:T}?=	${SCRIPTSGRP}
341SCRIPTSMODE_${script:T}?=	${SCRIPTSMODE}
342STAGE_AS_${script:T}=		${SCRIPTSDIR_${script:T}}/${SCRIPTSNAME_${script:T}}
343_scriptsinstall: _SCRIPTSINS_${script:T}
344_SCRIPTSINS_${script:T}: ${script}
345	${INSTALL} ${TAG_ARGS} -o ${SCRIPTSOWN_${.ALLSRC:T}} \
346	    -g ${SCRIPTSGRP_${.ALLSRC:T}} -m ${SCRIPTSMODE_${.ALLSRC:T}} \
347	    ${.ALLSRC} \
348	    ${DESTDIR}${SCRIPTSDIR_${.ALLSRC:T}}/${SCRIPTSNAME_${.ALLSRC:T}}
349.endfor
350.endif
351
352NLSNAME?=	${PROG}
353.include <bsd.nls.mk>
354
355.include <bsd.confs.mk>
356.include <bsd.files.mk>
357.include <bsd.incs.mk>
358
359LINKOWN?=	${BINOWN}
360LINKGRP?=	${BINGRP}
361LINKMODE?=	${BINMODE}
362.include <bsd.links.mk>
363
364.if ${MK_MAN} != "no"
365realinstall: maninstall
366.ORDER: beforeinstall maninstall
367.endif
368
369.endif	# !target(install)
370
371.if ${MK_MAN} != "no"
372.include <bsd.man.mk>
373.endif
374
375.if defined(HAS_TESTS)
376MAKE+=			MK_MAKE_CHECK_USE_SANDBOX=yes
377SUBDIR_TARGETS+=	check
378TESTS_LD_LIBRARY_PATH+=	${.OBJDIR}
379TESTS_PATH+=		${.OBJDIR}
380.endif
381
382.if defined(PROG)
383OBJS_DEPEND_GUESS+= ${SRCS:M*.h}
384.endif
385
386.include <bsd.dep.mk>
387.include <bsd.clang-analyze.mk>
388.include <bsd.obj.mk>
389.include <bsd.sys.mk>
390