1# from: @(#)sys.mk 8.2 (Berkeley) 3/21/94 2# $FreeBSD$ 3 4unix ?= We run FreeBSD, not UNIX. 5.FreeBSD ?= true 6 7.if !defined(%POSIX) 8# 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. 15# 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/ 17MACHINE_CPUARCH=${MACHINE_ARCH:${__TO_CPUARCH}} 18.endif 19 20__DEFAULT_YES_OPTIONS+= \ 21 UNIFIED_OBJDIR 22 23# src.sys.obj.mk enables AUTO_OBJ by default if possible but it is otherwise 24# disabled. Ensure src.conf.5 shows it as default on. 25.if make(showconfig) 26__DEFAULT_YES_OPTIONS+= AUTO_OBJ 27.endif 28 29# Some options we need now 30__DEFAULT_NO_OPTIONS= \ 31 DIRDEPS_BUILD \ 32 DIRDEPS_CACHE 33 34__DEFAULT_DEPENDENT_OPTIONS= \ 35 AUTO_OBJ/DIRDEPS_BUILD \ 36 META_MODE/DIRDEPS_BUILD \ 37 STAGING/DIRDEPS_BUILD \ 38 SYSROOT/DIRDEPS_BUILD 39 40__ENV_ONLY_OPTIONS:= \ 41 ${__DEFAULT_NO_OPTIONS} \ 42 ${__DEFAULT_YES_OPTIONS} \ 43 ${__DEFAULT_DEPENDENT_OPTIONS:H} 44 45# early include for customization 46# see local.sys.mk below 47# Not included when building in fmake compatibility mode (still needed 48# for older system support) 49.if defined(.PARSEDIR) 50.sinclude <local.sys.env.mk> 51 52.include <bsd.mkopt.mk> 53 54# Disable MK_META_MODE with make -B 55.if ${MK_META_MODE} == "yes" && defined(.MAKEFLAGS) && ${.MAKEFLAGS:M-B} 56MK_META_MODE= no 57.endif 58 59.if ${MK_DIRDEPS_BUILD} == "yes" 60.sinclude <meta.sys.mk> 61.elif ${MK_META_MODE} == "yes" 62META_MODE+= meta 63.if empty(.MAKEFLAGS:M-s) 64# verbose will show .MAKE.META.PREFIX for each target. 65META_MODE+= verbose 66.endif 67.if !defined(NO_META_MISSING) 68META_MODE+= missing-meta=yes 69.endif 70# silent will hide command output if a .meta file is created. 71.if !defined(NO_SILENT) 72META_MODE+= silent=yes 73.endif 74.if !exists(/dev/filemon) || defined(NO_FILEMON) 75META_MODE+= nofilemon 76.endif 77# Require filemon data with bmake 78.if empty(META_MODE:Mnofilemon) 79META_MODE+= missing-filemon=yes 80.endif 81.endif 82META_MODE?= normal 83.export META_MODE 84.MAKE.MODE?= ${META_MODE} 85.if !empty(.MAKE.MODE:Mmeta) 86.if !defined(NO_META_IGNORE_HOST) 87# Ignore host file changes that will otherwise cause 88# buildworld -> installworld -> buildworld to rebuild everything. 89# Since the build is self-reliant and bootstraps everything it needs, 90# this should not be a real problem for incremental builds. 91# XXX: This relies on the existing host tools retaining ABI compatibility 92# through upgrades since they won't be rebuilt on header/library changes. 93# This is mitigated by Makefile.inc1 for known-ABI-breaking revisions. 94# Note that these are prefix matching, so /lib matches /libexec. 95.MAKE.META.IGNORE_PATHS+= \ 96 ${__MAKE_SHELL} \ 97 /bin \ 98 /lib \ 99 /rescue \ 100 /sbin \ 101 /usr/bin \ 102 /usr/lib \ 103 /usr/sbin \ 104 /usr/share \ 105 106.else 107NO_META_IGNORE_HOST_HEADERS= 1 108.endif 109.if !defined(NO_META_IGNORE_HOST_HEADERS) 110.MAKE.META.IGNORE_PATHS+= /usr/include 111.endif 112# We do not want everything out-of-date just because 113# some unrelated shared lib updated this. 114.MAKE.META.IGNORE_PATHS+= /usr/local/etc/libmap.d 115.endif # !empty(.MAKE.MODE:Mmeta) 116 117.if ${MK_AUTO_OBJ} == "yes" 118# This needs to be done early - before .PATH is computed 119# Don't do this for 'make showconfig' as it enables all options where meta mode 120# is not expected. 121.if !make(showconfig) && !make(print-dir) && !make(test-system-*) && \ 122 empty(.MAKEFLAGS:M-[nN]) 123.sinclude <auto.obj.mk> 124.endif 125.endif # ${MK_AUTO_OBJ} == "yes" 126.else # bmake 127.include <bsd.mkopt.mk> 128.endif 129 130# If the special target .POSIX appears (without prerequisites or 131# commands) before the first noncomment line in the makefile, make shall 132# process the makefile as specified by the Posix 1003.2 specification. 133# make(1) sets the special macro %POSIX in this case (to the actual 134# value "1003.2", for what it's worth). 135# 136# The rules below use this macro to distinguish between Posix-compliant 137# and default behaviour. 138# 139# This functionality is currently broken, since make(1) processes sys.mk 140# before reading any other files, and consequently has no opportunity to 141# set the %POSIX macro before we read this point. 142 143.if defined(%POSIX) 144.SUFFIXES: .o .c .y .l .a .sh .f 145.else 146.SUFFIXES: .out .a .o .bco .llo .c .cc .cpp .cxx .C .m .F .f .e .r .y .l .S .asm .s .cl .p .h .sh 147.endif 148 149AR ?= ar 150.if defined(%POSIX) 151ARFLAGS ?= -rv 152.else 153ARFLAGS ?= -crD 154.endif 155RANLIB ?= ranlib 156.if !defined(%POSIX) 157RANLIBFLAGS ?= -D 158.endif 159 160AS ?= as 161AFLAGS ?= 162ACFLAGS ?= 163 164.if defined(%POSIX) 165CC ?= c89 166CFLAGS ?= -O 167.else 168CC ?= cc 169.if ${MACHINE_CPUARCH} == "arm" || ${MACHINE_CPUARCH} == "mips" 170CFLAGS ?= -O -pipe 171.else 172CFLAGS ?= -O2 -pipe 173.endif 174.if defined(NO_STRICT_ALIASING) 175CFLAGS += -fno-strict-aliasing 176.endif 177.endif 178IR_CFLAGS ?= ${STATIC_CFLAGS:N-O*} ${CFLAGS:N-O*} 179PO_CFLAGS ?= ${CFLAGS} 180 181# cp(1) is used to copy source files to ${.OBJDIR}, make sure it can handle 182# read-only files as non-root by passing -f. 183CP ?= cp -f 184 185CPP ?= cpp 186 187# C Type Format data is required for DTrace 188CTFFLAGS ?= -L VERSION 189 190CTFCONVERT ?= ctfconvert 191CTFMERGE ?= ctfmerge 192 193.if defined(CFLAGS) && (${CFLAGS:M-g} != "") 194CTFFLAGS += -g 195.endif 196 197CXX ?= c++ 198CXXFLAGS ?= ${CFLAGS:N-std=*:N-Wnested-externs:N-W*-prototypes:N-Wno-pointer-sign:N-Wold-style-definition} 199IR_CXXFLAGS ?= ${STATIC_CXXFLAGS:N-O*} ${CXXFLAGS:N-O*} 200PO_CXXFLAGS ?= ${CXXFLAGS} 201 202DTRACE ?= dtrace 203DTRACEFLAGS ?= -C -x nolibs 204 205.if empty(.MAKEFLAGS:M-s) 206ECHO ?= echo 207ECHODIR ?= echo 208.else 209ECHO ?= true 210.if ${.MAKEFLAGS:M-s} == "-s" 211ECHODIR ?= echo 212.else 213ECHODIR ?= true 214.endif 215.endif 216 217.if ${.MAKEFLAGS:M-N} 218# bmake -N is supposed to skip executing anything but it does not skip 219# exeucting '+' commands. The '+' feature is used where .MAKE 220# is not safe for the entire target. -N is intended to skip building sub-makes 221# so it executing '+' commands is not right. Work around the bug by not 222# setting '+' when -N is used. 223_+_ ?= 224.else 225_+_ ?= + 226.endif 227 228.if defined(%POSIX) 229FC ?= fort77 230FFLAGS ?= -O 1 231.else 232FC ?= f77 233FFLAGS ?= -O 234.endif 235EFLAGS ?= 236 237INSTALL ?= install 238 239LEX ?= lex 240LFLAGS ?= 241 242# LDFLAGS is for CC, _LDFLAGS is for LD. Generate _LDFLAGS from 243# LDFLAGS by stripping -Wl, from pass-through arguments and dropping 244# compiler driver flags (e.g. -mabi=*) that conflict with flags to LD. 245LD ?= ld 246LDFLAGS ?= 247_LDFLAGS = ${LDFLAGS:S/-Wl,//g:N-mabi=*:N-fuse-ld=*} 248 249MAKE ?= make 250 251.if !defined(%POSIX) 252LLVM_LINK ?= llvm-link 253 254LORDER ?= lorder 255 256NM ?= nm 257NMFLAGS ?= 258 259OBJC ?= cc 260OBJCFLAGS ?= ${OBJCINCLUDES} ${CFLAGS} -Wno-import 261 262OBJCOPY ?= objcopy 263 264PC ?= pc 265PFLAGS ?= 266 267RC ?= f77 268RFLAGS ?= 269 270TSORT ?= tsort 271TSORTFLAGS ?= -q 272.endif 273 274SHELL ?= sh 275 276.if !defined(%POSIX) 277SIZE ?= size 278.endif 279 280YACC ?= yacc 281.if defined(%POSIX) 282YFLAGS ?= 283.else 284YFLAGS ?= -d 285.endif 286 287.if defined(%POSIX) 288 289.include "bsd.suffixes-posix.mk" 290 291.else 292 293# non-Posix rule set 294.include "bsd.suffixes.mk" 295 296# Pull in global settings. 297__MAKE_CONF?=/etc/make.conf 298.if exists(${__MAKE_CONF}) 299.include "${__MAKE_CONF}" 300.endif 301 302# late include for customization 303.sinclude <local.sys.mk> 304 305.if defined(META_MODE) 306META_MODE:= ${META_MODE:O:u} 307.endif 308 309.if defined(__MAKE_SHELL) && !empty(__MAKE_SHELL) 310SHELL= ${__MAKE_SHELL} 311.SHELL: path=${__MAKE_SHELL} 312.endif 313 314# Tell bmake to expand -V VAR by default 315.MAKE.EXPAND_VARIABLES= yes 316 317# Tell bmake the makefile preference 318MAKEFILE_PREFERENCE?= BSDmakefile makefile Makefile 319.MAKE.MAKEFILE_PREFERENCE= ${MAKEFILE_PREFERENCE} 320 321# Tell bmake to always pass job tokens, regardless of target depending on 322# .MAKE or looking like ${MAKE}/${.MAKE}/$(MAKE)/$(.MAKE)/make. 323.MAKE.ALWAYS_PASS_JOB_QUEUE= yes 324 325# By default bmake does *not* use set -e 326# when running target scripts, this is a problem for many makefiles here. 327# So define a shell that will do what FreeBSD expects. 328.ifndef WITHOUT_SHELL_ERRCTL 329__MAKE_SHELL?=/bin/sh 330.SHELL: name=sh \ 331 quiet="set -" echo="set -v" filter="set -" \ 332 hasErrCtl=yes check="set -e" ignore="set +e" \ 333 echoFlag=v errFlag=e \ 334 path=${__MAKE_SHELL} 335.endif 336 337# Hack for ports compatibility. Historically, ports makefiles have 338# assumed they can examine MACHINE_CPU without including anything 339# because this was automatically included in sys.mk. For /usr/src, 340# this file has moved to being included from bsd.opts.mk. Until all 341# the ports files are modernized, and a reasonable transition 342# period has passed, include it while we're in a ports tree here 343# to preserve historic behavior. 344.if exists(${.CURDIR}/../../Mk/bsd.port.mk) 345.include <bsd.cpu.mk> 346.endif 347 348.endif # ! Posix 349