1 # from: @(#)sys.mk 8.2 (Berkeley) 3/21/94
4 unix ?= We run FreeBSD, not UNIX.
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.
16 MACHINE_CPUARCH=${MACHINE_ARCH:C/mips(n32|64)?(el)?(hf)?/mips/:C/arm(v6)?(eb|hf)?/arm/:C/powerpc(64|spe)/powerpc/:C/riscv64(sf)?/riscv/}
20 # Some options we need now
21 __DEFAULT_NO_OPTIONS= \
25 __DEFAULT_DEPENDENT_OPTIONS= \
26 AUTO_OBJ/DIRDEPS_BUILD \
27 META_MODE/DIRDEPS_BUILD \
28 STAGING/DIRDEPS_BUILD \
31 __ENV_ONLY_OPTIONS:= \
32 ${__DEFAULT_NO_OPTIONS} \
33 ${__DEFAULT_YES_OPTIONS} \
34 ${__DEFAULT_DEPENDENT_OPTIONS:H}
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>
43 .include <bsd.mkopt.mk>
45 # Disable MK_META_MODE with make -B
46 .if ${MK_META_MODE} == "yes" && defined(.MAKEFLAGS) && ${.MAKEFLAGS:M-B}
50 .if ${MK_DIRDEPS_BUILD} == "yes"
51 .sinclude <meta.sys.mk>
52 .elif ${MK_META_MODE} == "yes"
53 # verbose will show .MAKE.META.PREFIX for each target.
54 META_MODE+= meta verbose
55 .if !defined(NO_META_MISSING)
56 META_MODE+= missing-meta=yes
58 # silent will hide command output if a .meta file is created.
59 .if !defined(NO_SILENT)
60 META_MODE+= silent=yes
62 .if !exists(/dev/filemon) || defined(NO_FILEMON)
65 # Require filemon data with bmake
66 .if empty(META_MODE:Mnofilemon)
67 META_MODE+= missing-filemon=yes
72 .MAKE.MODE?= ${META_MODE}
73 .if !empty(.MAKE.MODE:Mmeta)
74 .if !defined(NO_META_IGNORE_HOST)
75 # Ignore host file changes that will otherwise cause
76 # buildworld -> installworld -> buildworld to rebuild everything.
77 # Since the build is self-reliant and bootstraps everything it needs,
78 # this should not be a real problem for incremental builds.
79 # XXX: This relies on the existing host tools retaining ABI compatibility
80 # through upgrades since they won't be rebuilt on header/library changes.
81 # This is mitigated by Makefile.inc1 for known-ABI-breaking revisions.
82 # Note that these are prefix matching, so /lib matches /libexec.
83 .MAKE.META.IGNORE_PATHS+= \
95 NO_META_IGNORE_HOST_HEADERS= 1
97 .if !defined(NO_META_IGNORE_HOST_HEADERS)
98 .MAKE.META.IGNORE_PATHS+= /usr/include
100 # We do not want everything out-of-date just because
101 # some unrelated shared lib updated this.
102 .MAKE.META.IGNORE_PATHS+= /usr/local/etc/libmap.d
103 .endif # !empty(.MAKE.MODE:Mmeta)
105 .if ${MK_AUTO_OBJ} == "yes"
106 # This needs to be done early - before .PATH is computed
107 # Don't do this for 'make showconfig' as it enables all options where meta mode
109 .if !make(showconfig) && !make(print-dir)
110 .sinclude <auto.obj.mk>
114 .include <bsd.mkopt.mk>
117 # If the special target .POSIX appears (without prerequisites or
118 # commands) before the first noncomment line in the makefile, make shall
119 # process the makefile as specified by the Posix 1003.2 specification.
120 # make(1) sets the special macro %POSIX in this case (to the actual
121 # value "1003.2", for what it's worth).
123 # The rules below use this macro to distinguish between Posix-compliant
124 # and default behaviour.
126 # This functionality is currently broken, since make(1) processes sys.mk
127 # before reading any other files, and consequently has no opportunity to
128 # set the %POSIX macro before we read this point.
131 .SUFFIXES: .o .c .y .l .a .sh .f
133 .SUFFIXES: .out .a .ln .o .bco .llo .c .cc .cpp .cxx .C .m .F .f .e .r .y .l .S .asm .s .cl .p .h .sh
156 .if ${MACHINE_CPUARCH} == "arm" || ${MACHINE_CPUARCH} == "mips"
161 .if defined(NO_STRICT_ALIASING)
162 CFLAGS += -fno-strict-aliasing
165 IR_CFLAGS ?= ${STATIC_CFLAGS:N-O*} ${CFLAGS:N-O*}
166 PO_CFLAGS ?= ${CFLAGS}
168 # cp(1) is used to copy source files to ${.OBJDIR}, make sure it can handle
169 # read-only files as non-root by passing -f.
174 # C Type Format data is required for DTrace
175 CTFFLAGS ?= -L VERSION
177 CTFCONVERT ?= ctfconvert
180 .if defined(CFLAGS) && (${CFLAGS:M-g} != "")
185 CXXFLAGS ?= ${CFLAGS:N-std=*:N-Wnested-externs:N-W*-prototypes:N-Wno-pointer-sign:N-Wold-style-definition}
186 IR_CXXFLAGS ?= ${STATIC_CXXFLAGS:N-O*} ${CXXFLAGS:N-O*}
187 PO_CXXFLAGS ?= ${CXXFLAGS}
190 DTRACEFLAGS ?= -C -x nolibs
192 .if empty(.MAKEFLAGS:M-s)
197 .if ${.MAKEFLAGS:M-s} == "-s"
204 .if ${.MAKEFLAGS:M-N}
205 # bmake -N is supposed to skip executing anything but it does not skip
206 # exeucting '+' commands. The '+' feature is used where .MAKE
207 # is not safe for the entire target. -N is intended to skip building sub-makes
208 # so it executing '+' commands is not right. Work around the bug by not
209 # setting '+' when -N is used.
229 # LDFLAGS is for CC, _LDFLAGS is for LD. Generate _LDFLAGS from
230 # LDFLAGS by stripping -Wl, from pass-through arguments and dropping
231 # compiler driver flags (e.g. -mabi=*) that conflict with flags to LD.
234 _LDFLAGS = ${LDFLAGS:S/-Wl,//g:N-mabi=*}
237 LINTFLAGS ?= -cghapbx
238 LINTKERNFLAGS ?= ${LINTFLAGS}
239 LINTOBJFLAGS ?= -cghapbxu -i
240 LINTOBJKERNFLAGS?= ${LINTOBJFLAGS}
241 LINTLIBFLAGS ?= -cghapbxu -C ${LIB}
246 LLVM_LINK ?= llvm-link
254 OBJCFLAGS ?= ${OBJCINCLUDES} ${CFLAGS} -Wno-import
283 .include "bsd.suffixes-posix.mk"
288 .include "bsd.suffixes.mk"
290 # Pull in global settings.
291 __MAKE_CONF?=/etc/make.conf
292 .if exists(${__MAKE_CONF})
293 .include "${__MAKE_CONF}"
296 # late include for customization
297 .sinclude <local.sys.mk>
299 .if defined(META_MODE)
300 META_MODE:= ${META_MODE:O:u}
303 .if defined(__MAKE_SHELL) && !empty(__MAKE_SHELL)
304 SHELL= ${__MAKE_SHELL}
305 .SHELL: path=${__MAKE_SHELL}
308 # Tell bmake to expand -V VAR by default
309 .MAKE.EXPAND_VARIABLES= yes
311 # Tell bmake the makefile preference
312 .MAKE.MAKEFILE_PREFERENCE= BSDmakefile makefile Makefile
314 # Tell bmake to always pass job tokens, regardless of target depending on
315 # .MAKE or looking like ${MAKE}/${.MAKE}/$(MAKE)/$(.MAKE)/make.
316 .MAKE.ALWAYS_PASS_JOB_QUEUE= yes
318 # By default bmake does *not* use set -e
319 # when running target scripts, this is a problem for many makefiles here.
320 # So define a shell that will do what FreeBSD expects.
321 .ifndef WITHOUT_SHELL_ERRCTL
322 __MAKE_SHELL?=/bin/sh
324 quiet="set -" echo="set -v" filter="set -" \
325 hasErrCtl=yes check="set -e" ignore="set +e" \
326 echoFlag=v errFlag=e \
330 # Hack for ports compatibility. Historically, ports makefiles have
331 # assumed they can examine MACHINE_CPU without including anything
332 # because this was automatically included in sys.mk. For /usr/src,
333 # this file has moved to being included from bsd.opts.mk. Until all
334 # the ports files are modernized, and a reasonable transition
335 # period has passed, include it while we're in a ports tree here
336 # to preserve historic behavior.
337 .if exists(${.CURDIR}/../../Mk/bsd.port.mk)
338 .include <bsd.cpu.mk>