xref: /freebsd/share/mk/bsd.prog.mk (revision 2a44cccd404d94c273c78e279df3fdc5531d25a2) 
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.SUFFIXES: .out .o .bc .c .cc .cpp .cxx .C .m .y .l .ll .ln .s .S .asm
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.if ${MK_PIE} != "no"
51# Static PIE is not yet supported/tested.
52.if !defined(NO_SHARED) || ${NO_SHARED:tl} == "no"
53CFLAGS+= -fPIE
54CXXFLAGS+= -fPIE
55LDFLAGS+= -pie
56.endif
57.endif
58.if ${MK_RETPOLINE} != "no"
59.if ${COMPILER_FEATURES:Mretpoline} && ${LINKER_FEATURES:Mretpoline}
60CFLAGS+= -mretpoline
61CXXFLAGS+= -mretpoline
62# retpolineplt is broken with static linking (PR 233336)
63.if !defined(NO_SHARED) || ${NO_SHARED:tl} == "no"
64LDFLAGS+= -Wl,-zretpolineplt
65.endif
66.else
67.warning Retpoline requested but not supported by compiler or linker
68.endif
69.endif
70# LLD sensibly defaults to -znoexecstack, so do the same for BFD
71LDFLAGS.bfd+= -Wl,-znoexecstack
72.if ${MK_BRANCH_PROTECTION} != "no"
73CFLAGS+=  -mbranch-protection=standard
74.if ${LINKER_FEATURES:Mbti-report} && defined(BTI_REPORT_ERROR)
75LDFLAGS+= -Wl,-zbti-report=error
76.endif
77.endif
78
79# Initialize stack variables on function entry
80.if ${OPT_INIT_ALL} != "none"
81.if ${COMPILER_FEATURES:Minit-all}
82CFLAGS+= -ftrivial-auto-var-init=${OPT_INIT_ALL}
83CXXFLAGS+= -ftrivial-auto-var-init=${OPT_INIT_ALL}
84.if ${OPT_INIT_ALL} == "zero" && ${COMPILER_TYPE} == "clang" && ${COMPILER_VERSION} < 160000
85CFLAGS+= -enable-trivial-auto-var-init-zero-knowing-it-will-be-removed-from-clang
86CXXFLAGS+= -enable-trivial-auto-var-init-zero-knowing-it-will-be-removed-from-clang
87.endif
88.else
89.warning INIT_ALL (${OPT_INIT_ALL}) requested but not supported by compiler
90.endif
91.endif
92
93# Zero used registers on return (mitigate some ROP)
94.if ${MK_ZEROREGS} != "no"
95.if ${COMPILER_FEATURES:Mzeroregs}
96ZEROREG_TYPE?= used
97CFLAGS+= -fzero-call-used-regs=${ZEROREG_TYPE}
98CXXFLAGS+= -fzero-call-used-regs=${ZEROREG_TYPE}
99.endif
100.endif
101
102# bsd.sanitizer.mk is not installed, so don't require it (e.g. for ports).
103.sinclude "bsd.sanitizer.mk"
104
105.if ${MACHINE_CPUARCH} == "riscv" && ${LINKER_FEATURES:Mriscv-relaxations} == ""
106CFLAGS += -mno-relax
107.endif
108
109.if defined(CRUNCH_CFLAGS)
110CFLAGS+=${CRUNCH_CFLAGS}
111.else
112.if ${MK_DEBUG_FILES} != "no" && empty(DEBUG_FLAGS:M-g) && \
113    empty(DEBUG_FLAGS:M-gdwarf-*)
114.if !${COMPILER_FEATURES:Mcompressed-debug}
115CFLAGS+= ${DEBUG_FILES_CFLAGS:N-gz*}
116.else
117CFLAGS+= ${DEBUG_FILES_CFLAGS}
118.endif
119CTFFLAGS+= -g
120.endif
121.endif
122
123.if !defined(DEBUG_FLAGS)
124STRIP?=	-s
125.endif
126
127.if defined(NO_ROOT)
128.if !defined(TAGS) || ! ${TAGS:Mpackage=*}
129TAGS+=		package=${PACKAGE:Uutilities}
130.endif
131TAG_ARGS=	-T ${TAGS:[*]:S/ /,/g}
132.endif
133
134.if defined(NO_SHARED) && ${NO_SHARED:tl} != "no"
135LDFLAGS+= -static
136.endif
137
138.if ${MK_DEBUG_FILES} != "no"
139PROG_FULL=${PROG}.full
140# Use ${DEBUGDIR} for base system debug files, else .debug subdirectory
141.if defined(BINDIR) && (\
142    ${BINDIR} == "/bin" ||\
143    ${BINDIR:C%/libexec(/.*)?%/libexec%} == "/libexec" ||\
144    ${BINDIR} == "/sbin" ||\
145    ${BINDIR:C%/usr/(bin|bsdinstall|libexec|lpr|sendmail|sm.bin|sbin|tests)(/.*)?%/usr/bin%} == "/usr/bin" ||\
146    ${BINDIR} == "/usr/lib" \
147     )
148DEBUGFILEDIR=	${DEBUGDIR}${BINDIR}
149.else
150DEBUGFILEDIR?=	${BINDIR}/.debug
151.endif
152.if !exists(${DESTDIR}${DEBUGFILEDIR})
153DEBUGMKDIR=
154.endif
155.else
156PROG_FULL=	${PROG}
157.endif
158
159.if defined(PROG)
160PROGNAME?=	${PROG}
161
162.if defined(SRCS)
163
164OBJS+=  ${SRCS:N*.h:${OBJS_SRCS_FILTER:ts:}:S/$/.o/g}
165
166# LLVM bitcode / textual IR representations of the program
167BCOBJS+=${SRCS:N*.[hsS]:N*.asm:${OBJS_SRCS_FILTER:ts:}:S/$/.bco/g}
168LLOBJS+=${SRCS:N*.[hsS]:N*.asm:${OBJS_SRCS_FILTER:ts:}:S/$/.llo/g}
169
170.if target(beforelinking)
171beforelinking: ${OBJS}
172${PROG_FULL}: beforelinking
173.endif
174${PROG_FULL}: ${OBJS}
175.if defined(PROG_CXX)
176	${CXX:N${CCACHE_BIN}} ${CXXFLAGS:N-M*} ${LDFLAGS} -o ${.TARGET} \
177	    ${OBJS} ${LDADD}
178.else
179	${CC:N${CCACHE_BIN}} ${CFLAGS:N-M*} ${LDFLAGS} -o ${.TARGET} ${OBJS} \
180	    ${LDADD}
181.endif
182.if ${MK_CTF} != "no"
183	${CTFMERGE} ${CTFFLAGS} -o ${.TARGET} ${OBJS}
184.endif
185
186.else	# !defined(SRCS)
187
188.if !target(${PROG})
189.if defined(PROG_CXX)
190SRCS=	${PROG}.cc
191.else
192SRCS=	${PROG}.c
193.endif
194
195# Always make an intermediate object file because:
196# - it saves time rebuilding when only the library has changed
197# - the name of the object gets put into the executable symbol table instead of
198#   the name of a variable temporary object.
199# - it's useful to keep objects around for crunching.
200OBJS+=		${PROG}.o
201BCOBJS+=	${PROG}.bc
202LLOBJS+=	${PROG}.ll
203CLEANFILES+=	${PROG}.o ${PROG}.bc ${PROG}.ll
204
205.if target(beforelinking)
206beforelinking: ${OBJS}
207${PROG_FULL}: beforelinking
208.endif
209${PROG_FULL}: ${OBJS}
210.if defined(PROG_CXX)
211	${CXX:N${CCACHE_BIN}} ${CXXFLAGS:N-M*} ${LDFLAGS} -o ${.TARGET} \
212	    ${OBJS} ${LDADD}
213.else
214	${CC:N${CCACHE_BIN}} ${CFLAGS:N-M*} ${LDFLAGS} -o ${.TARGET} ${OBJS} \
215	    ${LDADD}
216.endif
217.if ${MK_CTF} != "no"
218	${CTFMERGE} ${CTFFLAGS} -o ${.TARGET} ${OBJS}
219.endif
220.endif # !target(${PROG})
221
222.endif # !defined(SRCS)
223
224.if ${MK_DEBUG_FILES} != "no"
225${PROG}: ${PROG_FULL} ${PROGNAME}.debug
226	${OBJCOPY} --strip-debug --add-gnu-debuglink=${PROGNAME}.debug \
227	    ${PROG_FULL} ${.TARGET}
228
229${PROGNAME}.debug: ${PROG_FULL}
230	${OBJCOPY} --only-keep-debug ${PROG_FULL} ${.TARGET}
231.endif
232
233.if defined(LLVM_LINK)
234${PROG_FULL}.bc: ${BCOBJS}
235	${LLVM_LINK} -o ${.TARGET} ${BCOBJS}
236
237${PROG_FULL}.ll: ${LLOBJS}
238	${LLVM_LINK} -S -o ${.TARGET} ${LLOBJS}
239
240CLEANFILES+=	${PROG_FULL}.bc ${PROG_FULL}.ll
241.endif # defined(LLVM_LINK)
242
243.if	${MK_MAN} != "no" && !defined(MAN) && \
244	!defined(MAN1) && !defined(MAN2) && !defined(MAN3) && \
245	!defined(MAN4) && !defined(MAN5) && !defined(MAN6) && \
246	!defined(MAN7) && !defined(MAN8) && !defined(MAN9)
247MAN=	${PROG}.1
248MAN1=	${MAN}
249.endif
250.endif # defined(PROG)
251
252.if defined(_SKIP_BUILD)
253all:
254.else
255.if target(afterbuild)
256.ORDER: ${PROG} afterbuild
257all: ${PROG} ${SCRIPTS} afterbuild
258.else
259all: ${PROG} ${SCRIPTS}
260.endif
261.if ${MK_MAN} != "no"
262all: all-man
263.endif
264.endif
265
266.if defined(PROG)
267CLEANFILES+= ${PROG} ${PROG}.bc ${PROG}.ll
268.if ${MK_DEBUG_FILES} != "no"
269CLEANFILES+= ${PROG_FULL} ${PROGNAME}.debug
270.endif
271.endif
272
273.if defined(OBJS)
274CLEANFILES+= ${OBJS} ${BCOBJS} ${LLOBJS}
275.endif
276
277.include <bsd.libnames.mk>
278
279.if defined(PROG)
280.if !defined(NO_EXTRADEPEND)
281_EXTRADEPEND:
282.if defined(LDFLAGS) && !empty(LDFLAGS:M-nostdlib)
283.if defined(DPADD) && !empty(DPADD)
284	echo ${PROG_FULL}: ${DPADD} >> ${DEPENDFILE}
285.endif
286.else
287	echo ${PROG_FULL}: ${LIBC} ${DPADD} >> ${DEPENDFILE}
288.if defined(PROG_CXX)
289	echo ${PROG_FULL}: ${LIBCPLUSPLUS} >> ${DEPENDFILE}
290.endif
291.endif
292.endif	# !defined(NO_EXTRADEPEND)
293.endif
294
295.if !target(install)
296
297.if defined(PRECIOUSPROG)
298.if !defined(NO_FSCHG)
299INSTALLFLAGS+= -fschg
300.endif
301INSTALLFLAGS+= -S
302.endif
303
304_INSTALLFLAGS:=	${INSTALLFLAGS}
305.for ie in ${INSTALLFLAGS_EDIT}
306_INSTALLFLAGS:=	${_INSTALLFLAGS${ie}}
307.endfor
308
309.if !target(realinstall) && !defined(INTERNALPROG)
310realinstall: _proginstall
311.ORDER: beforeinstall _proginstall
312_proginstall:
313.if defined(PROG)
314	${INSTALL} ${TAG_ARGS} ${STRIP} -o ${BINOWN} -g ${BINGRP} -m ${BINMODE} \
315	    ${_INSTALLFLAGS} ${PROG} ${DESTDIR}${BINDIR}/${PROGNAME}
316.if ${MK_DEBUG_FILES} != "no"
317.if defined(DEBUGMKDIR)
318	${INSTALL} ${TAG_ARGS:D${TAG_ARGS},dbg} -d ${DESTDIR}${DEBUGFILEDIR}/
319.endif
320	${INSTALL} ${TAG_ARGS:D${TAG_ARGS},dbg} -o ${BINOWN} -g ${BINGRP} -m ${DEBUGMODE} \
321	    ${PROGNAME}.debug ${DESTDIR}${DEBUGFILEDIR}/${PROGNAME}.debug
322.endif
323.endif
324.endif	# !target(realinstall)
325
326.if defined(SCRIPTS) && !empty(SCRIPTS)
327realinstall: _scriptsinstall
328.ORDER: beforeinstall _scriptsinstall
329
330SCRIPTSDIR?=	${BINDIR}
331SCRIPTSOWN?=	${BINOWN}
332SCRIPTSGRP?=	${BINGRP}
333SCRIPTSMODE?=	${BINMODE}
334
335STAGE_AS_SETS+= scripts
336stage_as.scripts: ${SCRIPTS}
337FLAGS.stage_as.scripts= -m ${SCRIPTSMODE}
338STAGE_FILES_DIR.scripts= ${STAGE_OBJTOP}
339.for script in ${SCRIPTS}
340.if defined(SCRIPTSNAME)
341SCRIPTSNAME_${script:T}?=	${SCRIPTSNAME}
342.else
343SCRIPTSNAME_${script:T}?=	${script:T:R}
344.endif
345SCRIPTSDIR_${script:T}?=	${SCRIPTSDIR}
346SCRIPTSOWN_${script:T}?=	${SCRIPTSOWN}
347SCRIPTSGRP_${script:T}?=	${SCRIPTSGRP}
348SCRIPTSMODE_${script:T}?=	${SCRIPTSMODE}
349STAGE_AS_${script:T}=		${SCRIPTSDIR_${script:T}}/${SCRIPTSNAME_${script:T}}
350_scriptsinstall: _SCRIPTSINS_${script:T}
351_SCRIPTSINS_${script:T}: ${script}
352	${INSTALL} ${TAG_ARGS} -o ${SCRIPTSOWN_${.ALLSRC:T}} \
353	    -g ${SCRIPTSGRP_${.ALLSRC:T}} -m ${SCRIPTSMODE_${.ALLSRC:T}} \
354	    ${.ALLSRC} \
355	    ${DESTDIR}${SCRIPTSDIR_${.ALLSRC:T}}/${SCRIPTSNAME_${.ALLSRC:T}}
356.endfor
357.endif
358
359NLSNAME?=	${PROG}
360.include <bsd.nls.mk>
361
362.include <bsd.confs.mk>
363.include <bsd.files.mk>
364.include <bsd.incs.mk>
365
366LINKOWN?=	${BINOWN}
367LINKGRP?=	${BINGRP}
368LINKMODE?=	${BINMODE}
369.include <bsd.links.mk>
370
371.if ${MK_MAN} != "no"
372realinstall: maninstall
373.ORDER: beforeinstall maninstall
374.endif
375
376.endif	# !target(install)
377
378.if ${MK_MAN} != "no"
379.include <bsd.man.mk>
380.endif
381
382.if defined(HAS_TESTS)
383MAKE+=			MK_MAKE_CHECK_USE_SANDBOX=yes
384SUBDIR_TARGETS+=	check
385TESTS_LD_LIBRARY_PATH+=	${.OBJDIR}
386TESTS_PATH+=		${.OBJDIR}
387.endif
388
389.if defined(PROG)
390OBJS_DEPEND_GUESS+= ${SRCS:M*.h}
391.endif
392
393.include <bsd.dep.mk>
394.include <bsd.clang-analyze.mk>
395.include <bsd.obj.mk>
396.include <bsd.sys.mk>
397