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, the source 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 __TO_CPUARCH=C/mips(n32|64)?(el)?(hf)?/mips/:C/arm(v[67])?(eb)?/arm/:C/powerpc(64|spe)/powerpc/:C/riscv64(sf)?/riscv/
17 MACHINE_CPUARCH=${MACHINE_ARCH:${__TO_CPUARCH}}
20 __DEFAULT_YES_OPTIONS+= \
23 # Some options we need now
24 __DEFAULT_NO_OPTIONS= \
28 __DEFAULT_DEPENDENT_OPTIONS= \
29 AUTO_OBJ/DIRDEPS_BUILD \
30 META_MODE/DIRDEPS_BUILD \
31 STAGING/DIRDEPS_BUILD \
34 __ENV_ONLY_OPTIONS:= \
35 ${__DEFAULT_NO_OPTIONS} \
36 ${__DEFAULT_YES_OPTIONS} \
37 ${__DEFAULT_DEPENDENT_OPTIONS:H}
39 # early include for customization
40 # see local.sys.mk below
41 # Not included when building in fmake compatibility mode (still needed
42 # for older system support)
43 .if defined(.PARSEDIR)
44 .sinclude <local.sys.env.mk>
46 .include <bsd.mkopt.mk>
48 # Disable MK_META_MODE with make -B
49 .if ${MK_META_MODE} == "yes" && defined(.MAKEFLAGS) && ${.MAKEFLAGS:M-B}
53 .if ${MK_DIRDEPS_BUILD} == "yes"
54 .sinclude <meta.sys.mk>
55 .elif ${MK_META_MODE} == "yes"
57 .if empty(.MAKEFLAGS:M-s)
58 # verbose will show .MAKE.META.PREFIX for each target.
61 .if !defined(NO_META_MISSING)
62 META_MODE+= missing-meta=yes
64 # silent will hide command output if a .meta file is created.
65 .if !defined(NO_SILENT)
66 META_MODE+= silent=yes
68 .if !exists(/dev/filemon) || defined(NO_FILEMON)
71 # Require filemon data with bmake
72 .if empty(META_MODE:Mnofilemon)
73 META_MODE+= missing-filemon=yes
78 .MAKE.MODE?= ${META_MODE}
79 .if !empty(.MAKE.MODE:Mmeta)
80 .if !defined(NO_META_IGNORE_HOST)
81 # Ignore host file changes that will otherwise cause
82 # buildworld -> installworld -> buildworld to rebuild everything.
83 # Since the build is self-reliant and bootstraps everything it needs,
84 # this should not be a real problem for incremental builds.
85 # XXX: This relies on the existing host tools retaining ABI compatibility
86 # through upgrades since they won't be rebuilt on header/library changes.
87 # This is mitigated by Makefile.inc1 for known-ABI-breaking revisions.
88 # Note that these are prefix matching, so /lib matches /libexec.
89 .MAKE.META.IGNORE_PATHS+= \
101 NO_META_IGNORE_HOST_HEADERS= 1
103 .if !defined(NO_META_IGNORE_HOST_HEADERS)
104 .MAKE.META.IGNORE_PATHS+= /usr/include
106 # We do not want everything out-of-date just because
107 # some unrelated shared lib updated this.
108 .MAKE.META.IGNORE_PATHS+= /usr/local/etc/libmap.d
109 .endif # !empty(.MAKE.MODE:Mmeta)
111 .if ${MK_AUTO_OBJ} == "yes"
112 # This needs to be done early - before .PATH is computed
113 # Don't do this for 'make showconfig' as it enables all options where meta mode
115 .if !make(showconfig) && !make(print-dir)
116 .sinclude <auto.obj.mk>
120 .include <bsd.mkopt.mk>
123 # If the special target .POSIX appears (without prerequisites or
124 # commands) before the first noncomment line in the makefile, make shall
125 # process the makefile as specified by the Posix 1003.2 specification.
126 # make(1) sets the special macro %POSIX in this case (to the actual
127 # value "1003.2", for what it's worth).
129 # The rules below use this macro to distinguish between Posix-compliant
130 # and default behaviour.
132 # This functionality is currently broken, since make(1) processes sys.mk
133 # before reading any other files, and consequently has no opportunity to
134 # set the %POSIX macro before we read this point.
137 .SUFFIXES: .o .c .y .l .a .sh .f
139 .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
162 .if ${MACHINE_CPUARCH} == "arm" || ${MACHINE_CPUARCH} == "mips"
167 .if defined(NO_STRICT_ALIASING)
168 CFLAGS += -fno-strict-aliasing
171 IR_CFLAGS ?= ${STATIC_CFLAGS:N-O*} ${CFLAGS:N-O*}
172 PO_CFLAGS ?= ${CFLAGS}
174 # cp(1) is used to copy source files to ${.OBJDIR}, make sure it can handle
175 # read-only files as non-root by passing -f.
180 # C Type Format data is required for DTrace
181 CTFFLAGS ?= -L VERSION
183 CTFCONVERT ?= ctfconvert
186 .if defined(CFLAGS) && (${CFLAGS:M-g} != "")
191 CXXFLAGS ?= ${CFLAGS:N-std=*:N-Wnested-externs:N-W*-prototypes:N-Wno-pointer-sign:N-Wold-style-definition}
192 IR_CXXFLAGS ?= ${STATIC_CXXFLAGS:N-O*} ${CXXFLAGS:N-O*}
193 PO_CXXFLAGS ?= ${CXXFLAGS}
196 DTRACEFLAGS ?= -C -x nolibs
198 .if empty(.MAKEFLAGS:M-s)
203 .if ${.MAKEFLAGS:M-s} == "-s"
210 .if ${.MAKEFLAGS:M-N}
211 # bmake -N is supposed to skip executing anything but it does not skip
212 # exeucting '+' commands. The '+' feature is used where .MAKE
213 # is not safe for the entire target. -N is intended to skip building sub-makes
214 # so it executing '+' commands is not right. Work around the bug by not
215 # setting '+' when -N is used.
235 # LDFLAGS is for CC, _LDFLAGS is for LD. Generate _LDFLAGS from
236 # LDFLAGS by stripping -Wl, from pass-through arguments and dropping
237 # compiler driver flags (e.g. -mabi=*) that conflict with flags to LD.
240 _LDFLAGS = ${LDFLAGS:S/-Wl,//g:N-mabi=*}
243 LINTFLAGS ?= -cghapbx
244 LINTKERNFLAGS ?= ${LINTFLAGS}
245 LINTOBJFLAGS ?= -cghapbxu -i
246 LINTOBJKERNFLAGS?= ${LINTOBJFLAGS}
247 LINTLIBFLAGS ?= -cghapbxu -C ${LIB}
252 LLVM_LINK ?= llvm-link
260 OBJCFLAGS ?= ${OBJCINCLUDES} ${CFLAGS} -Wno-import
289 .include "bsd.suffixes-posix.mk"
294 .include "bsd.suffixes.mk"
296 # Pull in global settings.
297 __MAKE_CONF?=/etc/make.conf
298 .if exists(${__MAKE_CONF})
299 .include "${__MAKE_CONF}"
302 # late include for customization
303 .sinclude <local.sys.mk>
305 .if defined(META_MODE)
306 META_MODE:= ${META_MODE:O:u}
309 .if defined(__MAKE_SHELL) && !empty(__MAKE_SHELL)
310 SHELL= ${__MAKE_SHELL}
311 .SHELL: path=${__MAKE_SHELL}
314 # Tell bmake to expand -V VAR by default
315 .MAKE.EXPAND_VARIABLES= yes
317 # Tell bmake the makefile preference
318 .MAKE.MAKEFILE_PREFERENCE= BSDmakefile makefile Makefile
320 # Tell bmake to always pass job tokens, regardless of target depending on
321 # .MAKE or looking like ${MAKE}/${.MAKE}/$(MAKE)/$(.MAKE)/make.
322 .MAKE.ALWAYS_PASS_JOB_QUEUE= yes
324 # By default bmake does *not* use set -e
325 # when running target scripts, this is a problem for many makefiles here.
326 # So define a shell that will do what FreeBSD expects.
327 .ifndef WITHOUT_SHELL_ERRCTL
328 __MAKE_SHELL?=/bin/sh
330 quiet="set -" echo="set -v" filter="set -" \
331 hasErrCtl=yes check="set -e" ignore="set +e" \
332 echoFlag=v errFlag=e \
336 # Hack for ports compatibility. Historically, ports makefiles have
337 # assumed they can examine MACHINE_CPU without including anything
338 # because this was automatically included in sys.mk. For /usr/src,
339 # this file has moved to being included from bsd.opts.mk. Until all
340 # the ports files are modernized, and a reasonable transition
341 # period has passed, include it while we're in a ports tree here
342 # to preserve historic behavior.
343 .if exists(${.CURDIR}/../../Mk/bsd.port.mk)
344 .include <bsd.cpu.mk>