de1c0e3861
MACHINE is the specific kernel architecture for this machine. MACHINE_ARCH is the specific CPU type (abi, word size, etc). MACHINE_CPUARCH is the family of CPUs that's supported. Most of the tree conflates MACHINE_ARCH and MACHINE_CPUARCH since historically they have been identical. However, there's now a reason to to split the two concepts. NetBSD calls this MACHINE_CPU, but that's already used for something else in FreeBSD, so MACHINE_CPUARCH was selected instead. However, the sources in the tree have had a KLUDGE in the tree called TARGET_BIG_ENDIAN to select which endian to compile the code for. However, this is a cumbersome and awkward solution. MACHINE_ARCH really does need to be different for different endian because users use it for things like their path. Yet, the source tree also used MACHINE_ARCH to figure out the MD code to use. This source often supports multiple MACHINE_ARCHs. 'mips' supports 32 (and soon 64) bit word sizes as well as big and little endian. 'arm' support both endians. powerpc will soon support both 32-bit and 64-bit. These patches start to unwind this confusion. It implements MACHINE_ARCH of mipsel, mipseb for the two endians of MIPS, as well as arm and armeb for ARM. The names for ARM are historical accidents (ARM was primarily little endian until relatively recently). These names follow the NetBSD convetions. With these changes, "make buildworld TARGET=mips TARGET_ARCH=mipsel" finishes. armeb and mipseb should work, but haven't been tested yet. Committed as one big chunk so that people can comment on the patches as a whole and suggest improvements.
372 lines
7.3 KiB
Makefile
372 lines
7.3 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 reach-other's binaries, so it
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# necessarily has word size and endian swizzled in. However, support
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# files for these machines often are shared amongst all combinations
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# of size and/or endian. This is called MACHINE_CPU in NetBSD, but
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# that's used for something different in FreeBSD.
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#
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MACHINE_CPUARCH=${MACHINE_ARCH:C/mipse[lb]/mips/:C/armeb/arm/}
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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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.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 ?= rl
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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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.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 ?= ${CFLAGS}
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# Turn CTF conversion off by default for now. This default could be
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# changed later if DTrace becomes popular.
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.if !defined(WITH_CTF)
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NO_CTF = 1
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.endif
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# C Type Format data is required for DTrace
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CTFFLAGS ?= -L VERSION
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.if !defined(NO_CTF)
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CTFCONVERT ?= ctfconvert
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CTFMERGE ?= ctfmerge
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.if defined(CFLAGS) && (${CFLAGS:M-g} != "")
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CTFFLAGS += -g
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.else
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CFLAGS += -g
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.endif
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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}
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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 !empty(.MAKEFLAGS:M-n) && ${.MAKEFLAGS:M-n} == "-n"
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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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OBJC ?= cc
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OBJCFLAGS ?= ${OBJCINCLUDES} ${CFLAGS} -Wno-import
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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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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} ${.IMPSRC}
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.if defined(CTFCONVERT)
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${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
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.endif
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.f:
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${FC} ${FFLAGS} ${LDFLAGS} -o ${.TARGET} ${.IMPSRC}
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.if defined(CTFCONVERT)
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${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
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.endif
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.sh:
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cp ${.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 ${.IMPSRC}
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.if defined(CTFCONVERT)
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${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
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.endif
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.f.o:
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${FC} ${FFLAGS} -c ${.IMPSRC}
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.if defined(CTFCONVERT)
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${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
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.endif
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.y.o:
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${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 ${.TARGET}
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.if defined(CTFCONVERT)
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${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
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.endif
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.l.o:
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${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 ${.TARGET}
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.if defined(CTFCONVERT)
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${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
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.endif
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.y.c:
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${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 -p ${.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 ${.TARGET}
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.if defined(CTFCONVERT)
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${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
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.endif
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.c.o:
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${CC} ${CFLAGS} -c ${.IMPSRC}
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.if defined(CTFCONVERT)
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${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
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.endif
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.cc .cpp .cxx .C:
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${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 ${.IMPSRC}
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.if defined(CTFCONVERT)
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${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
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.endif
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.p.o:
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${PC} ${PFLAGS} -c ${.IMPSRC}
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.if defined(CTFCONVERT)
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${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
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.endif
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.e .r .F .f:
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${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} -c ${.IMPSRC}
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.if defined(CTFCONVERT)
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${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
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.endif
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.asm.o:
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${CC} -x assembler-with-cpp ${CFLAGS} -c ${.IMPSRC}
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.if defined(CTFCONVERT)
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${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
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.endif
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.s.o:
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${AS} ${AFLAGS} -o ${.TARGET} ${.IMPSRC}
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.if defined(CTFCONVERT)
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${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
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.endif
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# XXX not -j safe
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.y.o:
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${YACC} ${YFLAGS} ${.IMPSRC}
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${CC} ${CFLAGS} -c y.tab.c -o ${.TARGET}
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rm -f y.tab.c
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.if defined(CTFCONVERT)
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${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
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.endif
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.l.o:
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${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 ${.PREFIX}.tmp.c
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.if defined(CTFCONVERT)
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${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
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.endif
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# XXX not -j safe
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.y.c:
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${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 ${.TARGET}
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.if defined(CTFCONVERT)
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${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
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.endif
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.f.out .F.out .r.out .e.out:
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${FC} ${EFLAGS} ${RFLAGS} ${FFLAGS} ${LDFLAGS} ${.IMPSRC} \
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${LDLIBS} -o ${.TARGET}
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rm -f ${.PREFIX}.o
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.if defined(CTFCONVERT)
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${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
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.endif
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# XXX not -j safe
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.y.out:
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${YACC} ${YFLAGS} ${.IMPSRC}
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${CC} ${CFLAGS} ${LDFLAGS} y.tab.c ${LDLIBS} -ly -o ${.TARGET}
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rm -f y.tab.c
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.if defined(CTFCONVERT)
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${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
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.endif
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.l.out:
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${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 ${.PREFIX}.tmp.c
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.if defined(CTFCONVERT)
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${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
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.endif
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# FreeBSD build pollution. Hide it in the non-POSIX part of the ifdef.
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__MAKE_CONF?=/etc/make.conf
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.if exists(${__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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# Default executable format
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# XXX hint for bsd.port.mk
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OBJFORMAT?= elf
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# Toggle on warnings
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.WARN: dirsyntax
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.endif
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.include <bsd.compat.mk>
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.include <bsd.cpu.mk>
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