9369f35755
This fixes NO_FILEMON to properly still use .depend.OBJ files for dependency tracking. MFC after: 1 week Sponsored by: Dell EMC Isilon
342 lines
8.2 KiB
Makefile
342 lines
8.2 KiB
Makefile
# from: @(#)sys.mk 8.2 (Berkeley) 3/21/94
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# $FreeBSD$
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unix ?= We run FreeBSD, not UNIX.
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.FreeBSD ?= true
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.if !defined(%POSIX)
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#
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# MACHINE_CPUARCH defines a collection of MACHINE_ARCH. Machines with
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# the same MACHINE_ARCH can run each other's binaries, so it necessarily
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# has word size and endian swizzled in. However, support files for
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# these machines often are shared amongst all combinations of size
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# and/or endian. This is called MACHINE_CPU in NetBSD, but that's used
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# for something different in FreeBSD.
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#
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MACHINE_CPUARCH=${MACHINE_ARCH:C/mips(n32|64)?(el)?(hf)?/mips/:C/arm(v6)?(eb|hf)?/arm/:C/powerpc(64|spe)/powerpc/:C/riscv64(sf)?/riscv/}
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.endif
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# Some options we need now
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__DEFAULT_NO_OPTIONS= \
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DIRDEPS_BUILD \
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DIRDEPS_CACHE
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__DEFAULT_DEPENDENT_OPTIONS= \
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AUTO_OBJ/DIRDEPS_BUILD \
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META_MODE/DIRDEPS_BUILD \
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STAGING/DIRDEPS_BUILD \
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SYSROOT/DIRDEPS_BUILD
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__ENV_ONLY_OPTIONS:= \
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${__DEFAULT_NO_OPTIONS} \
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${__DEFAULT_YES_OPTIONS} \
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${__DEFAULT_DEPENDENT_OPTIONS:H}
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# early include for customization
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# see local.sys.mk below
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# Not included when building in fmake compatibility mode (still needed
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# for older system support)
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.if defined(.PARSEDIR)
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.sinclude <local.sys.env.mk>
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.include <bsd.mkopt.mk>
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# Disable MK_META_MODE with make -B
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.if ${MK_META_MODE} == "yes" && defined(.MAKEFLAGS) && ${.MAKEFLAGS:M-B}
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MK_META_MODE= no
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.endif
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.if ${MK_DIRDEPS_BUILD} == "yes"
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.sinclude <meta.sys.mk>
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.elif ${MK_META_MODE} == "yes"
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# verbose will show .MAKE.META.PREFIX for each target.
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META_MODE+= meta verbose
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.if !defined(NO_META_MISSING)
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META_MODE+= missing-meta=yes
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.endif
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# silent will hide command output if a .meta file is created.
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.if !defined(NO_SILENT)
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META_MODE+= silent=yes
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.endif
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.if !exists(/dev/filemon) || defined(NO_FILEMON)
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META_MODE+= nofilemon
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.endif
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# Require filemon data with bmake
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.if empty(META_MODE:Mnofilemon)
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META_MODE+= missing-filemon=yes
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.endif
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.endif
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META_MODE?= normal
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.export META_MODE
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.MAKE.MODE?= ${META_MODE}
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.if !empty(.MAKE.MODE:Mmeta)
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.if !defined(NO_META_IGNORE_HOST)
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# Ignore host file changes that will otherwise cause
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# buildworld -> installworld -> buildworld to rebuild everything.
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# Since the build is self-reliant and bootstraps everything it needs,
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# this should not be a real problem for incremental builds.
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# XXX: This relies on the existing host tools retaining ABI compatibility
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# through upgrades since they won't be rebuilt on header/library changes.
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# This is mitigated by Makefile.inc1 for known-ABI-breaking revisions.
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# Note that these are prefix matching, so /lib matches /libexec.
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.MAKE.META.IGNORE_PATHS+= \
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${__MAKE_SHELL} \
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/bin \
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/lib \
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/rescue \
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/sbin \
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/usr/bin \
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/usr/lib \
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/usr/sbin \
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/usr/share \
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.else
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NO_META_IGNORE_HOST_HEADERS= 1
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.endif
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.if !defined(NO_META_IGNORE_HOST_HEADERS)
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.MAKE.META.IGNORE_PATHS+= /usr/include
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.endif
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# We do not want everything out-of-date just because
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# some unrelated shared lib updated this.
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.MAKE.META.IGNORE_PATHS+= /usr/local/etc/libmap.d
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.endif # !empty(.MAKE.MODE:Mmeta)
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.if ${MK_AUTO_OBJ} == "yes"
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# This needs to be done early - before .PATH is computed
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# Don't do this for 'make showconfig' as it enables all options where meta mode
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# is not expected.
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.if !make(showconfig) && !make(print-dir)
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.sinclude <auto.obj.mk>
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.endif
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.endif
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.else # bmake
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.include <bsd.mkopt.mk>
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.endif
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# If the special target .POSIX appears (without prerequisites or
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# commands) before the first noncomment line in the makefile, make shall
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# process the makefile as specified by the Posix 1003.2 specification.
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# make(1) sets the special macro %POSIX in this case (to the actual
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# value "1003.2", for what it's worth).
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#
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# The rules below use this macro to distinguish between Posix-compliant
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# and default behaviour.
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#
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# This functionality is currently broken, since make(1) processes sys.mk
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# before reading any other files, and consequently has no opportunity to
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# set the %POSIX macro before we read this point.
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.if defined(%POSIX)
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.SUFFIXES: .o .c .y .l .a .sh .f
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.else
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.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
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.endif
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AR ?= ar
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.if defined(%POSIX)
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ARFLAGS ?= -rv
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.else
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ARFLAGS ?= -crD
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.endif
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RANLIB ?= ranlib
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.if !defined(%POSIX)
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RANLIBFLAGS ?= -D
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.endif
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AS ?= as
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AFLAGS ?=
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ACFLAGS ?=
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.if defined(%POSIX)
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CC ?= c89
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CFLAGS ?= -O
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.else
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CC ?= cc
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.if ${MACHINE_CPUARCH} == "arm" || ${MACHINE_CPUARCH} == "mips"
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CFLAGS ?= -O -pipe
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.else
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CFLAGS ?= -O2 -pipe
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.endif
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.if defined(NO_STRICT_ALIASING)
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CFLAGS += -fno-strict-aliasing
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.endif
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.endif
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IR_CFLAGS ?= ${STATIC_CFLAGS:N-O*} ${CFLAGS:N-O*}
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PO_CFLAGS ?= ${CFLAGS}
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# cp(1) is used to copy source files to ${.OBJDIR}, make sure it can handle
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# read-only files as non-root by passing -f.
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CP ?= cp -f
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CPP ?= cpp
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# C Type Format data is required for DTrace
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CTFFLAGS ?= -L VERSION
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CTFCONVERT ?= ctfconvert
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CTFMERGE ?= ctfmerge
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.if defined(CFLAGS) && (${CFLAGS:M-g} != "")
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CTFFLAGS += -g
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.endif
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CXX ?= c++
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CXXFLAGS ?= ${CFLAGS:N-std=*:N-Wnested-externs:N-W*-prototypes:N-Wno-pointer-sign:N-Wold-style-definition}
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IR_CXXFLAGS ?= ${STATIC_CXXFLAGS:N-O*} ${CXXFLAGS:N-O*}
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PO_CXXFLAGS ?= ${CXXFLAGS}
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DTRACE ?= dtrace
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DTRACEFLAGS ?= -C -x nolibs
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.if empty(.MAKEFLAGS:M-s)
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ECHO ?= echo
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ECHODIR ?= echo
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.else
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ECHO ?= true
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.if ${.MAKEFLAGS:M-s} == "-s"
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ECHODIR ?= echo
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.else
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ECHODIR ?= true
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.endif
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.endif
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.if ${.MAKEFLAGS:M-N}
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# bmake -N is supposed to skip executing anything but it does not skip
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# exeucting '+' commands. The '+' feature is used where .MAKE
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# is not safe for the entire target. -N is intended to skip building sub-makes
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# so it executing '+' commands is not right. Work around the bug by not
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# setting '+' when -N is used.
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_+_ ?=
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.else
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_+_ ?= +
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.endif
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.if defined(%POSIX)
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FC ?= fort77
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FFLAGS ?= -O 1
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.else
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FC ?= f77
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FFLAGS ?= -O
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.endif
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EFLAGS ?=
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INSTALL ?= install
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LEX ?= lex
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LFLAGS ?=
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# LDFLAGS is for CC, _LDFLAGS is for LD. Generate _LDFLAGS from
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# LDFLAGS by stripping -Wl, from pass-through arguments and dropping
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# compiler driver flags (e.g. -mabi=*) that conflict with flags to LD.
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LD ?= ld
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LDFLAGS ?=
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_LDFLAGS = ${LDFLAGS:S/-Wl,//g:N-mabi=*}
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LINT ?= lint
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LINTFLAGS ?= -cghapbx
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LINTKERNFLAGS ?= ${LINTFLAGS}
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LINTOBJFLAGS ?= -cghapbxu -i
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LINTOBJKERNFLAGS?= ${LINTOBJFLAGS}
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LINTLIBFLAGS ?= -cghapbxu -C ${LIB}
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MAKE ?= make
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.if !defined(%POSIX)
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LLVM_LINK ?= llvm-link
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LORDER ?= lorder
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NM ?= nm
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NMFLAGS ?=
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OBJC ?= cc
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OBJCFLAGS ?= ${OBJCINCLUDES} ${CFLAGS} -Wno-import
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OBJCOPY ?= objcopy
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PC ?= pc
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PFLAGS ?=
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RC ?= f77
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RFLAGS ?=
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TSORT ?= tsort
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TSORTFLAGS ?= -q
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.endif
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SHELL ?= sh
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.if !defined(%POSIX)
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SIZE ?= size
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.endif
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YACC ?= yacc
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.if defined(%POSIX)
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YFLAGS ?=
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.else
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YFLAGS ?= -d
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.endif
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.if defined(%POSIX)
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.include "bsd.suffixes-posix.mk"
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.else
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# non-Posix rule set
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.include "bsd.suffixes.mk"
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# Pull in global settings.
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__MAKE_CONF?=/etc/make.conf
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.if exists(${__MAKE_CONF})
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.include "${__MAKE_CONF}"
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.endif
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# late include for customization
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.sinclude <local.sys.mk>
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.if defined(META_MODE)
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META_MODE:= ${META_MODE:O:u}
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.endif
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.if defined(__MAKE_SHELL) && !empty(__MAKE_SHELL)
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SHELL= ${__MAKE_SHELL}
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.SHELL: path=${__MAKE_SHELL}
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.endif
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# Tell bmake to expand -V VAR by default
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.MAKE.EXPAND_VARIABLES= yes
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# Tell bmake the makefile preference
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.MAKE.MAKEFILE_PREFERENCE= BSDmakefile makefile Makefile
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# Tell bmake to always pass job tokens, regardless of target depending on
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# .MAKE or looking like ${MAKE}/${.MAKE}/$(MAKE)/$(.MAKE)/make.
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.MAKE.ALWAYS_PASS_JOB_QUEUE= yes
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# By default bmake does *not* use set -e
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# when running target scripts, this is a problem for many makefiles here.
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# So define a shell that will do what FreeBSD expects.
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.ifndef WITHOUT_SHELL_ERRCTL
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__MAKE_SHELL?=/bin/sh
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.SHELL: name=sh \
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quiet="set -" echo="set -v" filter="set -" \
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hasErrCtl=yes check="set -e" ignore="set +e" \
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echoFlag=v errFlag=e \
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path=${__MAKE_SHELL}
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.endif
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# Hack for ports compatibility. Historically, ports makefiles have
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# assumed they can examine MACHINE_CPU without including anything
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# because this was automatically included in sys.mk. For /usr/src,
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# this file has moved to being included from bsd.opts.mk. Until all
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# the ports files are modernized, and a reasonable transition
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# period has passed, include it while we're in a ports tree here
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# to preserve historic behavior.
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.if exists(${.CURDIR}/../../Mk/bsd.port.mk)
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.include <bsd.cpu.mk>
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.endif
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.endif # ! Posix
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