73279d4113
This targets the existing ARMv6 and ARMv7 SoCs that contain a VFP unit. This is an optional coprocessors may not be present in all devices, however it appears to be in all current SoCs we support. armv6hf targets the VFP variant of the ARM EABI and our copy of gcc is too old to support this. Because of this there are a number of WITH/WITHOUT options that are unsupported and must be left as the default value. The options and their required value are: * WITH_ARM_EABI * WITHOUT_GCC * WITHOUT_GNUCXX In addition, without an external toolchain, the following need to be left as their default: * WITH_CLANG * WITH_CLANG_IS_CC As there is a different method of passing float and double values to functions the ABI is incompatible with existing armv6 binaries. To use this a full rebuild of world is required. Because no floating point values are passed into the kernel an armv6 kernel with VFP enabled will work with an armv6hf userland and vice versa.
369 lines
7.6 KiB
Makefile
369 lines
7.6 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)?/mips/:C/arm(v6)?(eb|hf)?/arm/:C/powerpc64/powerpc/}
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.endif
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# Set any local definitions first. Place this early, but it needs
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# MACHINE_CPUARCH to be defined.
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.sinclude <local.sys.mk>
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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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.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 .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 ?= cru
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.endif
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RANLIB ?= ranlib
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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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PO_CFLAGS ?= ${CFLAGS}
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# C Type Format data is required for DTrace
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CTFFLAGS ?= -L VERSION
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CTFCONVERT ?= ctfconvert
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CTFMERGE ?= ctfmerge
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DTRACE ?= dtrace
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.if defined(CFLAGS) && (${CFLAGS:M-g} != "")
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CTFFLAGS += -g
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.else
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# XXX: What to do here? Is removing the CFLAGS part completely ok here?
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# For now comment it out to not compile with -g unconditionally.
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#CFLAGS += -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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PO_CXXFLAGS ?= ${CXXFLAGS}
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CPP ?= cpp
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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 defined(.PARSEDIR)
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# _+_ appears to be a workaround for the special src .MAKE not working.
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# setting it to + interferes with -N
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_+_ ?=
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.elif !empty(.MAKEFLAGS:M-n) && ${.MAKEFLAGS:M-n} == "-n"
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# the check above matches only a single -n, so -n -n will result
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# in _+_ = +
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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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LD ?= ld
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LDFLAGS ?=
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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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NM ?= nm
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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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.endif
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SHELL ?= sh
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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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# Posix 1003.2 mandated rules
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#
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# Quoted directly from the Posix 1003.2 draft, only the macros
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# $@, $< and $* have been replaced by ${.TARGET}, ${.IMPSRC}, and
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# ${.PREFIX}, resp.
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# SINGLE SUFFIX RULES
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.c:
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${CC} ${CFLAGS} ${LDFLAGS} -o ${.TARGET} ${.IMPSRC}
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${CTFCONVERT_CMD}
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.f:
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${FC} ${FFLAGS} ${LDFLAGS} -o ${.TARGET} ${.IMPSRC}
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${CTFCONVERT_CMD}
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.sh:
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cp -f ${.IMPSRC} ${.TARGET}
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chmod a+x ${.TARGET}
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# DOUBLE SUFFIX RULES
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.c.o:
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${CC} ${CFLAGS} -c ${.IMPSRC}
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${CTFCONVERT_CMD}
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.f.o:
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${FC} ${FFLAGS} -c ${.IMPSRC}
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${CTFCONVERT_CMD}
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.y.o:
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${YACC} ${YFLAGS} ${.IMPSRC}
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${CC} ${CFLAGS} -c y.tab.c
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rm -f y.tab.c
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mv y.tab.o ${.TARGET}
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${CTFCONVERT_CMD}
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.l.o:
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${LEX} ${LFLAGS} ${.IMPSRC}
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${CC} ${CFLAGS} -c lex.yy.c
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rm -f lex.yy.c
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mv lex.yy.o ${.TARGET}
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${CTFCONVERT_CMD}
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.y.c:
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${YACC} ${YFLAGS} ${.IMPSRC}
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mv y.tab.c ${.TARGET}
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.l.c:
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${LEX} ${LFLAGS} ${.IMPSRC}
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mv lex.yy.c ${.TARGET}
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.c.a:
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${CC} ${CFLAGS} -c ${.IMPSRC}
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${AR} ${ARFLAGS} ${.TARGET} ${.PREFIX}.o
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rm -f ${.PREFIX}.o
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.f.a:
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${FC} ${FFLAGS} -c ${.IMPSRC}
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${AR} ${ARFLAGS} ${.TARGET} ${.PREFIX}.o
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rm -f ${.PREFIX}.o
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.else
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# non-Posix rule set
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.sh:
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cp -fp ${.IMPSRC} ${.TARGET}
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chmod a+x ${.TARGET}
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.c.ln:
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${LINT} ${LINTOBJFLAGS} ${CFLAGS:M-[DIU]*} ${.IMPSRC} || \
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touch ${.TARGET}
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.cc.ln .C.ln .cpp.ln .cxx.ln:
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${LINT} ${LINTOBJFLAGS} ${CXXFLAGS:M-[DIU]*} ${.IMPSRC} || \
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touch ${.TARGET}
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.c:
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${CC} ${CFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} -o ${.TARGET}
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${CTFCONVERT_CMD}
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.c.o:
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${CC} ${CFLAGS} -c ${.IMPSRC}
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${CTFCONVERT_CMD}
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.cc .cpp .cxx .C:
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${CXX} ${CXXFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} -o ${.TARGET}
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.cc.o .cpp.o .cxx.o .C.o:
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${CXX} ${CXXFLAGS} -c ${.IMPSRC}
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.m.o:
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${OBJC} ${OBJCFLAGS} -c ${.IMPSRC}
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${CTFCONVERT_CMD}
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.p.o:
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${PC} ${PFLAGS} -c ${.IMPSRC}
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${CTFCONVERT_CMD}
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.e .r .F .f:
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${FC} ${RFLAGS} ${EFLAGS} ${FFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} \
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-o ${.TARGET}
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.e.o .r.o .F.o .f.o:
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${FC} ${RFLAGS} ${EFLAGS} ${FFLAGS} -c ${.IMPSRC}
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.S.o:
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${CC} ${CFLAGS} ${ACFLAGS} -c ${.IMPSRC}
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${CTFCONVERT_CMD}
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.asm.o:
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${CC} -x assembler-with-cpp ${CFLAGS} ${ACFLAGS} -c ${.IMPSRC}
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${CTFCONVERT_CMD}
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.s.o:
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${AS} ${AFLAGS} -o ${.TARGET} ${.IMPSRC}
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${CTFCONVERT_CMD}
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# XXX not -j safe
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.y.o:
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${YACC} ${YFLAGS} ${.IMPSRC}
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${CC} ${CFLAGS} -c y.tab.c -o ${.TARGET}
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rm -f y.tab.c
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${CTFCONVERT_CMD}
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.l.o:
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${LEX} -t ${LFLAGS} ${.IMPSRC} > ${.PREFIX}.tmp.c
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${CC} ${CFLAGS} -c ${.PREFIX}.tmp.c -o ${.TARGET}
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rm -f ${.PREFIX}.tmp.c
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${CTFCONVERT_CMD}
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# XXX not -j safe
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.y.c:
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${YACC} ${YFLAGS} ${.IMPSRC}
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mv y.tab.c ${.TARGET}
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.l.c:
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${LEX} -t ${LFLAGS} ${.IMPSRC} > ${.TARGET}
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.s.out .c.out .o.out:
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${CC} ${CFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} -o ${.TARGET}
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${CTFCONVERT_CMD}
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.f.out .F.out .r.out .e.out:
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${FC} ${EFLAGS} ${RFLAGS} ${FFLAGS} ${LDFLAGS} ${.IMPSRC} \
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${LDLIBS} -o ${.TARGET}
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rm -f ${.PREFIX}.o
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${CTFCONVERT_CMD}
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# XXX not -j safe
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.y.out:
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${YACC} ${YFLAGS} ${.IMPSRC}
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${CC} ${CFLAGS} ${LDFLAGS} y.tab.c ${LDLIBS} -ly -o ${.TARGET}
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rm -f y.tab.c
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${CTFCONVERT_CMD}
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.l.out:
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${LEX} -t ${LFLAGS} ${.IMPSRC} > ${.PREFIX}.tmp.c
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${CC} ${CFLAGS} ${LDFLAGS} ${.PREFIX}.tmp.c ${LDLIBS} -ll -o ${.TARGET}
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rm -f ${.PREFIX}.tmp.c
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${CTFCONVERT_CMD}
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# FreeBSD build pollution. Hide it in the non-POSIX part of the ifdef.
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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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.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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.if !defined(.PARSEDIR)
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# We are not bmake, which is more aggressive about searching .PATH
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# It is sometime necessary to curb its enthusiasm with .NOPATH
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# The following allows us to quietly ignore .NOPATH when not using bmake.
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.NOTMAIN: .NOPATH
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.NOPATH:
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# Toggle on warnings
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.WARN: dirsyntax
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.endif
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.endif
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.if defined(.PARSEDIR)
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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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# 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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.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:U/bin/sh}
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.endif
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.endif
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.include <bsd.cpu.mk>
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