xref: /freebsd/share/mk/bsd.sys.mk (revision 6fb87a1a6042887550571316fa9e539239f158d1) 
1#
2# This file contains common settings used for building FreeBSD
3# sources.
4
5# Enable various levels of compiler warning checks.  These may be
6# overridden (e.g. if using a non-gcc compiler) by defining MK_WARNS=no.
7
8# for GCC:   https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html
9# for clang: https://clang.llvm.org/docs/DiagnosticsReference.html
10
11.include <bsd.compiler.mk>
12
13CSTD?=		gnu17
14
15.if ${CSTD} == "c89" || ${CSTD} == "c90"
16CFLAGS+=	-std=iso9899:1990
17.elif ${CSTD} == "c94" || ${CSTD} == "c95"
18CFLAGS+=	-std=iso9899:199409
19.elif ${CSTD} == "c99"
20CFLAGS+=	-std=iso9899:1999
21.else # CSTD
22CFLAGS+=	-std=${CSTD}
23.endif # CSTD
24
25CXXSTD?=	gnu++17
26
27.if !empty(CXXSTD)
28CXXFLAGS+=	-std=${CXXSTD}
29.endif
30
31# This gives the Makefile we're evaluating at the top-level a chance to set
32# WARNS.  If it doesn't do so, we may freely pull a DEFAULTWARNS if it's set
33# and use that.  This allows us to default WARNS to 6 for src builds without
34# needing to set the default in various Makefile.inc.
35.if !defined(WARNS) && defined(DEFAULTWARNS)
36WARNS=	${DEFAULTWARNS}
37.endif
38
39# -pedantic is problematic because it also imposes namespace restrictions
40#CFLAGS+=	-pedantic
41.if defined(WARNS)
42.if ${WARNS} >= 1
43CWARNFLAGS+=	-Wsystem-headers
44.if ${MK_WERROR} != "no" && ${MK_WERROR.${COMPILER_TYPE}:Uyes} != "no"
45CWARNFLAGS+=	-Werror
46.endif # ${MK_WERROR} != "no" && ${MK_WERROR.${COMPILER_TYPE}:Uyes} != "no"
47.endif # WARNS >= 1
48.if ${WARNS} >= 2
49CWARNFLAGS+=	-Wall -Wno-format-y2k
50.endif # WARNS >= 2
51.if ${WARNS} >= 3
52CWARNFLAGS+=	-W -Wno-unused-parameter
53.if ${COMPILER_TYPE} == "clang"
54CWARNFLAGS+=	-Wstrict-prototypes
55.endif
56CWARNFLAGS+=	-Wmissing-prototypes -Wpointer-arith
57.endif # WARNS >= 3
58.if ${WARNS} >= 4
59CWARNFLAGS+=	-Wreturn-type -Wcast-qual -Wwrite-strings -Wswitch -Wshadow\
60		-Wunused-parameter
61.if !defined(NO_WCAST_ALIGN) && !defined(NO_WCAST_ALIGN.${COMPILER_TYPE})
62CWARNFLAGS+=	-Wcast-align
63.endif # !NO_WCAST_ALIGN !NO_WCAST_ALIGN.${COMPILER_TYPE}
64.endif # WARNS >= 4
65.if ${WARNS} >= 6
66CWARNFLAGS+=	-Wchar-subscripts -Wnested-externs \
67		-Wold-style-definition
68.if !defined(NO_WMISSING_VARIABLE_DECLARATIONS)
69CWARNFLAGS.clang+=	-Wmissing-variable-declarations
70.endif
71.if !defined(NO_WTHREAD_SAFETY)
72CWARNFLAGS.clang+=	-Wthread-safety
73.endif
74.endif # WARNS >= 6
75.if ${WARNS} >= 2 && ${WARNS} <= 4
76# XXX Delete -Wuninitialized by default for now -- the compiler doesn't
77# XXX always get it right.
78CWARNFLAGS+=	-Wno-uninitialized
79.endif # WARNS >=2 && WARNS <= 4
80CWARNFLAGS+=	-Wno-pointer-sign
81.if !defined(NO_WDATE_TIME)
82CWARNFLAGS+=	-Wdate-time
83.endif # NO_WDATE_TIME
84# Clang has more warnings enabled by default, and when using -Wall, so if WARNS
85# is set to low values, these have to be disabled explicitly.
86.if ${WARNS} <= 6
87CWARNFLAGS.clang+=	-Wno-empty-body -Wno-string-plus-int
88CWARNFLAGS.clang+=	-Wno-unused-const-variable
89.if ${COMPILER_TYPE} == "clang" && ${COMPILER_VERSION} >= 150000
90CWARNFLAGS.clang+=	-Wno-error=unused-but-set-parameter
91.endif
92.if ${COMPILER_TYPE} == "clang" && ${COMPILER_VERSION} >= 190000
93# Similar to gcc >= 8.1 -Wno-error=cast-function-type below
94CWARNFLAGS.clang+=	-Wno-error=cast-function-type-mismatch
95.endif
96.if ${COMPILER_TYPE} == "clang" && ${COMPILER_VERSION} >= 210000
97CXXWARNFLAGS.clang+=	-Wno-c++20-extensions
98CXXWARNFLAGS.clang+=	-Wno-c++23-lambda-attributes
99CXXWARNFLAGS.clang+=	-Wno-nullability-completeness
100.endif
101.endif # WARNS <= 6
102.if ${WARNS} <= 3
103CWARNFLAGS.clang+=	-Wno-tautological-compare -Wno-unused-value\
104		-Wno-parentheses-equality -Wno-unused-function -Wno-enum-conversion
105CWARNFLAGS.clang+=	-Wno-unused-local-typedef
106CWARNFLAGS.clang+=	-Wno-address-of-packed-member
107.if ${COMPILER_TYPE} == "gcc" && ${COMPILER_VERSION} >= 90100
108CWARNFLAGS.gcc+=	-Wno-address-of-packed-member
109.endif
110.endif # WARNS <= 3
111.if ${WARNS} <= 2
112CWARNFLAGS.clang+=	-Wno-switch -Wno-switch-enum -Wno-knr-promoted-parameter
113.endif # WARNS <= 2
114.if ${WARNS} <= 1
115CWARNFLAGS.clang+=	-Wno-parentheses
116.endif # WARNS <= 1
117.if defined(NO_WARRAY_BOUNDS)
118CWARNFLAGS.clang+=	-Wno-array-bounds
119.endif # NO_WARRAY_BOUNDS
120.if defined(NO_WMISLEADING_INDENTATION) && \
121    ((${COMPILER_TYPE} == "clang" && ${COMPILER_VERSION} >= 100000) || \
122      ${COMPILER_TYPE} == "gcc")
123CWARNFLAGS+=		-Wno-misleading-indentation
124.endif # NO_WMISLEADING_INDENTATION
125.if ${COMPILER_VERSION} >= 130000
126NO_WUNUSED_BUT_SET_VARIABLE=	-Wno-unused-but-set-variable
127.endif
128.if ${COMPILER_TYPE} == "clang" && ${COMPILER_VERSION} >= 140000
129NO_WBITWISE_INSTEAD_OF_LOGICAL=	-Wno-bitwise-instead-of-logical
130.endif
131.if ${COMPILER_TYPE} == "clang" && ${COMPILER_VERSION} >= 150000
132NO_WARRAY_PARAMETER=	-Wno-array-parameter
133NO_WSTRICT_PROTOTYPES=	-Wno-strict-prototypes
134NO_WDEPRECATED_NON_PROTOTYPE=-Wno-deprecated-non-prototype
135.endif
136.if ${COMPILER_TYPE} == "clang" && ${COMPILER_VERSION} >= 210000
137NO_WCHARACTER_CONVERSION=-Wno-character-conversion
138.endif
139.if ${COMPILER_TYPE} == "gcc" && ${COMPILER_VERSION} >= 50200
140NO_WUNUSED_BUT_SET_VARIABLE=-Wno-unused-but-set-variable
141.endif
142.if ${COMPILER_TYPE} == "gcc" && ${COMPILER_VERSION} >= 100100
143NO_WZERO_LENGTH_BOUNDS=	-Wno-zero-length-bounds
144.endif
145.if ${COMPILER_TYPE} == "gcc" && ${COMPILER_VERSION} >= 110100
146NO_WARRAY_PARAMETER=	-Wno-array-parameter
147.endif
148.if ${COMPILER_TYPE} == "gcc" && ${COMPILER_VERSION} >= 120100
149NO_WUSE_AFTER_FREE=	-Wno-use-after-free
150NO_WDANGLING_POINTER=	-Wno-dangling-pointer
151.endif
152.endif # WARNS
153
154.if defined(FORMAT_AUDIT)
155WFORMAT=	1
156.endif # FORMAT_AUDIT
157.if defined(WFORMAT)
158.if ${WFORMAT} > 0
159#CWARNFLAGS+=	-Wformat-nonliteral -Wformat-security -Wno-format-extra-args
160CWARNFLAGS+=	-Wformat=2 -Wno-format-extra-args
161.if ${WARNS:U0} <= 3
162CWARNFLAGS.clang+=	-Wno-format-nonliteral
163.endif # WARNS <= 3
164.if ${MK_WERROR} != "no" && ${MK_WERROR.${COMPILER_TYPE}:Uyes} != "no"
165CWARNFLAGS+=	-Werror
166.endif # ${MK_WERROR} != "no" && ${MK_WERROR.${COMPILER_TYPE}:Uyes} != "no"
167.endif # WFORMAT > 0
168.endif # WFORMAT
169.if defined(NO_WFORMAT) || defined(NO_WFORMAT.${COMPILER_TYPE})
170CWARNFLAGS+=	-Wno-format
171.endif # NO_WFORMAT || NO_WFORMAT.${COMPILER_TYPE}
172
173# GCC
174# We should clean up warnings produced with these flags.
175# They were originally added as a quick hack to enable gcc5/6.
176# The base system requires at least GCC 6.4, but some ports
177# use this file with older compilers.  Request an exprun
178# before changing these.
179.if ${COMPILER_TYPE} == "gcc"
180# GCC 5.2.0
181.if ${COMPILER_VERSION} >= 50200
182CWARNFLAGS+=	-Wno-error=address			\
183		-Wno-error=array-bounds			\
184		-Wno-error=attributes			\
185		-Wno-error=bool-compare			\
186		-Wno-error=cast-align			\
187		-Wno-error=clobbered			\
188		-Wno-error=deprecated-declarations	\
189		-Wno-error=enum-compare			\
190		-Wno-error=extra			\
191		-Wno-error=logical-not-parentheses	\
192		-Wno-error=strict-aliasing		\
193		-Wno-error=uninitialized		\
194		-Wno-error=unused-function		\
195		-Wno-error=unused-value
196
197# These warnings are raised by headers in libc++ so are disabled
198# globally for all C++
199CXXWARNFLAGS+=	-Wno-attributes				\
200		-Wno-deprecated-declarations
201.endif
202
203# GCC 6.1.0
204.if ${COMPILER_VERSION} >= 60100
205CWARNFLAGS+=	-Wno-error=empty-body			\
206		-Wno-error=maybe-uninitialized		\
207		-Wno-error=nonnull-compare		\
208		-Wno-error=shift-negative-value		\
209		-Wno-error=tautological-compare		\
210		-Wno-error=unused-const-variable
211.endif
212
213# GCC 7.1.0
214.if ${COMPILER_VERSION} >= 70100
215CWARNFLAGS+=	-Wno-error=bool-operation		\
216		-Wno-error=deprecated			\
217		-Wno-error=expansion-to-defined		\
218		-Wno-error=format-overflow		\
219		-Wno-error=format-truncation		\
220		-Wno-error=implicit-fallthrough		\
221		-Wno-error=int-in-bool-context		\
222		-Wno-error=memset-elt-size		\
223		-Wno-error=noexcept-type		\
224		-Wno-error=nonnull			\
225		-Wno-error=pointer-compare		\
226		-Wno-error=stringop-overflow
227.endif
228
229# GCC 8.1.0
230.if ${COMPILER_VERSION} >= 80100
231CWARNFLAGS+=	-Wno-error=aggressive-loop-optimizations	\
232		-Wno-error=cast-function-type			\
233		-Wno-error=catch-value				\
234		-Wno-error=multistatement-macros		\
235		-Wno-error=restrict				\
236		-Wno-error=sizeof-pointer-memaccess		\
237		-Wno-error=stringop-truncation
238CXXWARNFLAGS+=	-Wno-error=class-memaccess
239.endif
240
241# GCC 9.2.0
242.if ${COMPILER_VERSION} >= 90200
243.if ${MACHINE_ARCH} == "i386"
244CWARNFLAGS+=	-Wno-error=overflow
245.endif
246.endif
247
248# GCC 12.1.0
249.if ${COMPILER_VERSION} >= 120100
250# These warnings are raised by headers in libc++ so are disabled
251# globally for all C++
252CXXWARNFLAGS+=	-Wno-literal-suffix			\
253		-Wno-c++20-extensions			\
254		-Wno-attributes				\
255		-Wno-error=unknown-pragmas
256.endif
257
258# GCC 13.1.0
259.if ${COMPILER_VERSION} >= 130100
260# These warnings are raised by headers in libc++ so are disabled
261# globally for all C++
262CXXWARNFLAGS+=	-Wno-dangling-reference
263.endif
264
265# GCC produces false positives for functions that switch on an
266# enum (GCC bug 87950)
267CWARNFLAGS+=	-Wno-return-type
268
269# GCC's own arm_neon.h triggers various warnings
270.if ${MACHINE_CPUARCH} == "aarch64"
271CWARNFLAGS+=	-Wno-system-headers
272.endif
273.endif	# gcc
274
275# How to handle FreeBSD custom printf format specifiers.
276.if ${COMPILER_TYPE} == "clang" || \
277    (${COMPILER_TYPE} == "gcc" && ${COMPILER_VERSION} >= 120100)
278FORMAT_EXTENSIONS=	-D__printf__=__freebsd_kprintf__
279.else
280FORMAT_EXTENSIONS=	-fformat-extensions
281.endif
282
283.if defined(IGNORE_PRAGMA)
284CWARNFLAGS+=	-Wno-unknown-pragmas
285.endif # IGNORE_PRAGMA
286
287# This warning is utter nonsense
288CFLAGS+=	-Wno-format-zero-length
289
290.if ${COMPILER_TYPE} == "clang"
291# The headers provided by clang are incompatible with the FreeBSD headers.
292# If the version of clang is not one that has been patched to omit the
293# incompatible headers, we need to compile with -nobuiltininc and add the
294# resource dir to the end of the search paths. This ensures that headers such as
295# immintrin.h are still found but stddef.h, etc. are picked up from FreeBSD.
296#
297# XXX: This is a hack to support complete external installs of clang while
298# we work to synchronize our decleration guards with those in the clang tree.
299.if ${MK_CLANG_BOOTSTRAP:Uno} == "no" && \
300    ${COMPILER_RESOURCE_DIR} != "unknown" && !defined(BOOTSTRAPPING)
301CFLAGS+=-nobuiltininc -idirafter ${COMPILER_RESOURCE_DIR}/include
302.endif
303.endif
304
305CLANG_OPT_SMALL= -mstack-alignment=8 -mllvm -inline-threshold=3
306.if ${COMPILER_VERSION} < 130000
307CLANG_OPT_SMALL+= -mllvm -simplifycfg-dup-ret
308.endif
309CLANG_OPT_SMALL+= -mllvm -enable-load-pre=false
310CFLAGS.clang+=	 -Qunused-arguments
311
312# XXX This should be defaulted to 2 when WITH_SSP is in use after further
313# testing and soak time.
314FORTIFY_SOURCE?=	0
315.if ${MK_SSP} != "no"
316# Don't use -Wstack-protector as it breaks world with -Werror.
317.if ${COMPILER_FEATURES:Mstackclash}
318SSP_CFLAGS?=	-fstack-protector-strong -fstack-clash-protection
319.else
320SSP_CFLAGS?=	-fstack-protector-strong
321.endif
322CFLAGS+=	${SSP_CFLAGS}
323.endif # SSP
324.if ${FORTIFY_SOURCE} > 0
325CFLAGS+=	-D_FORTIFY_SOURCE=${FORTIFY_SOURCE}
326CXXFLAGS+=	-D_FORTIFY_SOURCE=${FORTIFY_SOURCE}
327.endif
328
329# Additional flags passed in CFLAGS and CXXFLAGS when MK_DEBUG_FILES is
330# enabled.
331DEBUG_FILES_CFLAGS?= -g -gz=zlib
332
333# Allow user-specified additional warning flags, plus compiler and file
334# specific flag overrides, unless we've overridden this...
335.if ${MK_WARNS} != "no"
336CFLAGS+=	${CWARNFLAGS:M*} ${CWARNFLAGS.${COMPILER_TYPE}}
337CFLAGS+=	${CWARNFLAGS.${.IMPSRC:T}}
338CXXFLAGS+=	${CXXWARNFLAGS:M*} ${CXXWARNFLAGS.${COMPILER_TYPE}}
339CXXFLAGS+=	${CXXWARNFLAGS.${.IMPSRC:T}}
340.endif
341
342CFLAGS+=	 ${CFLAGS.${COMPILER_TYPE}}
343CXXFLAGS+=	 ${CXXFLAGS.${COMPILER_TYPE}}
344
345AFLAGS+=	${AFLAGS.${.IMPSRC:T}}
346AFLAGS+=	${AFLAGS.${.TARGET:T}}
347ACFLAGS+=	${ACFLAGS.${.IMPSRC:T}}
348ACFLAGS+=	${ACFLAGS.${.TARGET:T}}
349CFLAGS+=	${CFLAGS.${.IMPSRC:T}}
350CXXFLAGS+=	${CXXFLAGS.${.IMPSRC:T}}
351
352LDFLAGS+=	${LDFLAGS.${LINKER_TYPE}}
353
354# Only allow .TARGET when not using PROGS as it has the same syntax
355# per PROG which is ambiguous with this syntax. This is only needed
356# for PROG_VARS vars.
357#
358# Some directories (currently just clang) also need to disable this since
359# CFLAGS.${COMPILER_TYPE}, CFLAGS.${.IMPSRC:T} and CFLAGS.${.TARGET:T} all live
360# in the same namespace, meaning that, for example, GCC builds of clang pick up
361# CFLAGS.clang via CFLAGS.${.TARGET:T} and thus try to pass Clang-specific
362# flags. Ideally the different sources of CFLAGS would be namespaced to avoid
363# collisions.
364.if !defined(_RECURSING_PROGS) && !defined(NO_TARGET_FLAGS)
365.if ${MK_WARNS} != "no"
366CFLAGS+=	${CWARNFLAGS.${.TARGET:T}}
367.endif
368CFLAGS+=	${CFLAGS.${.TARGET:T}}
369CXXFLAGS+=	${CXXFLAGS.${.TARGET:T}}
370LDFLAGS+=	${LDFLAGS.${.TARGET:T}}
371LDADD+=		${LDADD.${.TARGET:T}}
372LIBADD+=	${LIBADD.${.TARGET:T}}
373.endif
374
375.if defined(SRCTOP)
376# Prevent rebuilding during install to support read-only objdirs.
377.if ${.TARGETS:M*install*} == ${.TARGETS} && empty(.MAKE.MODE:Mmeta)
378CFLAGS+=	ERROR-tried-to-rebuild-during-make-install
379.endif
380.endif
381
382# Please keep this if in sync with kern.mk
383.if ${LD} != "ld" && (${CC:[1]:H} != ${LD:[1]:H} || ${LD:[1]:T} != "ld")
384# Add -fuse-ld=${LD} if $LD is in a different directory or not called "ld".
385.if ${COMPILER_TYPE} == "clang"
386# Note: Clang does not like relative paths for ld so we map ld.lld -> lld.
387.if ${COMPILER_VERSION} >= 120000
388LDFLAGS+=	--ld-path=${LD:[1]:S/^ld.//1W}
389.else
390LDFLAGS+=	-fuse-ld=${LD:[1]:S/^ld.//1W}
391.endif
392.elif ${COMPILER_TYPE} == "gcc"
393# GCC does not support an absolute path for -fuse-ld so we just print this
394# warning instead and let the user add the required symlinks.
395# However, we can avoid this warning if -B is set appropriately (e.g. for
396# CROSS_TOOLCHAIN=...-gcc).
397.if !(${LD:[1]:T} == "ld" && ${CC:tw:M-B${LD:[1]:H}/})
398.warning LD (${LD}) is not the default linker for ${CC} but -fuse-ld= is not supported
399.endif
400.endif
401.endif
402
403# Tell bmake not to mistake standard targets for things to be searched for
404# or expect to ever be up-to-date.
405PHONY_NOTMAIN = analyze afterdepend afterinstall all beforedepend beforeinstall \
406		beforelinking build build-tools buildconfig buildfiles \
407		buildincludes check checkdpadd clean cleandepend cleandir \
408		cleanobj configure depend distclean distribute exe \
409		files html includes install installconfig installdirs \
410		installfiles installincludes lint obj objlink objs objwarn \
411		realinstall tags whereobj
412
413# we don't want ${PROG} to be PHONY
414.PHONY: ${PHONY_NOTMAIN:N${PROG:U}}
415.NOTMAIN: ${PHONY_NOTMAIN:Nall}
416
417.if ${MK_STAGING} != "no"
418.if defined(_SKIP_BUILD) || (!make(all) && !make(clean*) && !make(*clean))
419_SKIP_STAGING?= yes
420.endif
421.if ${_SKIP_STAGING:Uno} == "yes"
422staging stage_libs stage_files stage_as stage_links stage_symlinks:
423.else
424# allow targets like beforeinstall to be leveraged
425DESTDIR= ${STAGE_OBJTOP}
426.export DESTDIR
427
428.if target(beforeinstall)
429.if !empty(_LIBS) || (${MK_STAGING_PROG} != "no" && !defined(INTERNALPROG))
430staging: beforeinstall
431.endif
432.endif
433
434# normally only libs and includes are staged
435.if ${MK_STAGING_PROG} != "no" && !defined(INTERNALPROG)
436STAGE_DIR.prog= ${STAGE_OBJTOP}${BINDIR}
437
438.if !empty(PROG)
439.if defined(PROGNAME)
440STAGE_AS_SETS+= prog
441STAGE_AS_${PROG}= ${PROGNAME}
442stage_as.prog: ${PROG}
443.else
444STAGE_SETS+= prog
445stage_files.prog: ${PROG}
446STAGE_TARGETS+= stage_files
447.endif
448.endif
449.endif
450
451.if !empty(_LIBS) && !defined(INTERNALLIB)
452.if defined(SHLIBDIR) && ${SHLIBDIR} != ${LIBDIR} && ${_LIBS:Uno:M*.so.*} != ""
453STAGE_SETS+= shlib
454STAGE_DIR.shlib= ${STAGE_OBJTOP}${SHLIBDIR}
455STAGE_FILES.shlib+= ${_LIBS:M*.so.*}
456stage_files.shlib: ${_LIBS:M*.so.*}
457.endif
458
459.if defined(SHLIB_LINK) && commands(${SHLIB_LINK:R}.ld)
460STAGE_AS_SETS+= ldscript
461STAGE_AS.ldscript+= ${SHLIB_LINK:R}.ld
462stage_as.ldscript: ${SHLIB_LINK:R}.ld
463STAGE_DIR.ldscript = ${STAGE_LIBDIR}
464STAGE_AS_${SHLIB_LINK:R}.ld:= ${SHLIB_LINK}
465NO_SHLIB_LINKS=
466.endif
467
468.if defined(STATIC_LDSCRIPT) && target(lib${LIB}.ald)
469STAGE_AS_SETS+= ald
470STAGE_DIR.ald = ${STAGE_LIBDIR}
471STAGE_AS.ald+= lib${LIB}.ald
472STAGE_AS_lib${LIB}.ald = lib${LIB}.a
473stage_as.ald: lib${LIB}.ald
474.endif
475
476.if target(stage_files.shlib)
477stage_libs: ${_LIBS}
478.if defined(DEBUG_FLAGS) && target(${SHLIB_NAME}.symbols)
479stage_files.shlib: ${SHLIB_NAME}.symbols
480.endif
481.else
482stage_libs: ${_LIBS}
483.endif
484.if defined(SHLIB_NAME) && defined(DEBUG_FLAGS) && target(${SHLIB_NAME}.symbols)
485stage_libs: ${SHLIB_NAME}.symbols
486.endif
487
488.endif
489
490.if !empty(INCS) || !empty(INCSGROUPS) && target(buildincludes)
491.if !defined(NO_BEFOREBUILD_INCLUDES)
492stage_includes: buildincludes
493beforebuild: stage_includes
494.endif
495.endif
496
497.for t in stage_libs stage_files stage_as
498.if target($t)
499STAGE_TARGETS+= $t
500.endif
501.endfor
502
503.if !empty(STAGE_AS_SETS)
504STAGE_TARGETS+= stage_as
505.endif
506
507.if !empty(STAGE_TARGETS) || (${MK_STAGING_PROG} != "no" && !defined(INTERNALPROG))
508
509.if !empty(LINKS)
510STAGE_TARGETS+= stage_links
511.if ${MAKE_VERSION} < 20131001
512stage_links.links: ${_LIBS} ${PROG}
513.endif
514STAGE_SETS+= links
515STAGE_LINKS.links= ${LINKS}
516.endif
517
518.if !empty(SYMLINKS)
519STAGE_TARGETS+= stage_symlinks
520STAGE_SETS+= links
521STAGE_SYMLINKS.links= ${SYMLINKS}
522.endif
523
524.endif
525
526.include <meta.stage.mk>
527.endif
528.endif
529
530.if defined(META_TARGETS)
531.for _tgt in ${META_TARGETS}
532.if target(${_tgt})
533${_tgt}: ${META_DEPS}
534.endif
535.endfor
536.endif
537
538# we are generally the last makefile read
539CFLAGS+= ${CFLAGS_LAST}
540CXXFLAGS+= ${CXXFLAGS_LAST}
541LDFLAGS+= ${LDFLAGS_LAST}
542