1 files changed, 329 insertions, 0 deletions
diff --git a/share/mk/sys.mk b/share/mk/sys.mk
new file mode 100644
index 0000000..e8ec4c1
--- /dev/null
+++ b/share/mk/sys.mk
@@ -0,0 +1,329 @@
+#	from: @(#)sys.mk	8.2 (Berkeley) 3/21/94
+# $FreeBSD$
+
+unix		?=	We run FreeBSD, not UNIX.
+.FreeBSD	?=	true
+
+.if !defined(%POSIX)
+#
+# MACHINE_CPUARCH defines a collection of MACHINE_ARCH.  Machines with
+# the same MACHINE_ARCH can run each other's binaries, so it necessarily
+# has word size and endian swizzled in.  However, support files for
+# these machines often are shared amongst all combinations of size
+# and/or endian.  This is called MACHINE_CPU in NetBSD, but that's used
+# for something different in FreeBSD.
+#
+MACHINE_CPUARCH=${MACHINE_ARCH:C/mips.*e[lb]/mips/:C/armeb/arm/:C/powerpc64/powerpc/}
+.endif
+
+# If the special target .POSIX appears (without prerequisites or
+# commands) before the first noncomment line in the makefile, make shall
+# process the makefile as specified by the Posix 1003.2 specification.
+# make(1) sets the special macro %POSIX in this case (to the actual
+# value "1003.2", for what it's worth).
+#
+# The rules below use this macro to distinguish between Posix-compliant
+# and default behaviour.
+
+.if defined(%POSIX)
+.SUFFIXES:	.o .c .y .l .a .sh .f
+.else
+.SUFFIXES:	.out .a .ln .o .c .cc .cpp .cxx .C .m .F .f .e .r .y .l .S .asm .s .cl .p .h .sh
+.endif
+
+AR		?=	ar
+.if defined(%POSIX)
+ARFLAGS		?=	-rv
+.else
+ARFLAGS		?=	rl
+.endif
+RANLIB		?=	ranlib
+
+AS		?=	as
+AFLAGS		?=
+ACFLAGS		?=
+
+.if defined(%POSIX)
+CC		?=	c89
+CFLAGS		?=	-O
+.else
+CC		?=	cc
+.if ${MACHINE_CPUARCH} == "arm" || ${MACHINE_CPUARCH} == "mips"
+CFLAGS		?=	-O -pipe
+.else
+CFLAGS		?=	-O2 -pipe
+.endif
+.if defined(NO_STRICT_ALIASING)
+CFLAGS		+=	-fno-strict-aliasing
+.endif
+.endif
+PO_CFLAGS	?=	${CFLAGS}
+
+# C Type Format data is required for DTrace
+CTFFLAGS	?=	-L VERSION
+
+CTFCONVERT	?=	ctfconvert
+CTFMERGE	?=	ctfmerge
+DTRACE		?=	dtrace
+.if defined(CFLAGS) && (${CFLAGS:M-g} != "")
+CTFFLAGS	+=	-g
+.else
+# XXX: What to do here? Is removing the CFLAGS part completely ok here?
+# For now comment it out to not compile with -g unconditionally.
+#CFLAGS		+=	-g
+.endif
+
+CXX		?=	c++
+CXXFLAGS	?=	${CFLAGS:N-std=*:N-Wnested-externs:N-W*-prototypes:N-Wno-pointer-sign:N-Wold-style-definition}
+PO_CXXFLAGS	?=	${CXXFLAGS}
+
+CPP		?=	cpp
+
+.if empty(.MAKEFLAGS:M-s)
+ECHO		?=	echo
+ECHODIR		?=	echo
+.else
+ECHO		?=	true
+.if ${.MAKEFLAGS:M-s} == "-s"
+ECHODIR		?=	echo
+.else
+ECHODIR		?=	true
+.endif
+.endif
+
+.if !empty(.MAKEFLAGS:M-n) && ${.MAKEFLAGS:M-n} == "-n"
+_+_		?=
+.else
+_+_		?=	+
+.endif
+
+.if defined(%POSIX)
+FC		?=	fort77
+FFLAGS		?=	-O 1
+.else
+FC		?=	f77
+FFLAGS		?=	-O
+.endif
+EFLAGS		?=
+
+INSTALL		?=	install
+
+LEX		?=	lex
+LFLAGS		?=
+
+LD		?=	ld
+LDFLAGS		?=
+
+LINT		?=	lint
+LINTFLAGS	?=	-cghapbx
+LINTKERNFLAGS	?=	${LINTFLAGS}
+LINTOBJFLAGS	?=	-cghapbxu -i
+LINTOBJKERNFLAGS?=	${LINTOBJFLAGS}
+LINTLIBFLAGS	?=	-cghapbxu -C ${LIB}
+
+MAKE		?=	make
+
+OBJC		?=	cc
+OBJCFLAGS	?=	${OBJCINCLUDES} ${CFLAGS} -Wno-import
+
+PC		?=	pc
+PFLAGS		?=
+
+RC		?=	f77
+RFLAGS		?=
+
+SHELL		?=	sh
+
+YACC		?=	yacc
+.if defined(%POSIX)
+YFLAGS		?=
+.else
+YFLAGS		?=	-d
+.endif
+
+.if defined(%POSIX)
+
+# Posix 1003.2 mandated rules
+#
+# Quoted directly from the Posix 1003.2 draft, only the macros
+# $@, $< and $* have been replaced by ${.TARGET}, ${.IMPSRC}, and
+# ${.PREFIX}, resp.
+
+# SINGLE SUFFIX RULES
+.c:
+	${CC} ${CFLAGS} ${LDFLAGS} -o ${.TARGET} ${.IMPSRC}
+	${CTFCONVERT_CMD}
+
+.f:
+	${FC} ${FFLAGS} ${LDFLAGS} -o ${.TARGET} ${.IMPSRC}
+	${CTFCONVERT_CMD}
+
+.sh:
+	cp -f ${.IMPSRC} ${.TARGET}
+	chmod a+x ${.TARGET}
+
+# DOUBLE SUFFIX RULES
+
+.c.o:
+	${CC} ${CFLAGS} -c ${.IMPSRC}
+	${CTFCONVERT_CMD}
+
+.f.o:
+	${FC} ${FFLAGS} -c ${.IMPSRC}
+	${CTFCONVERT_CMD}
+
+.y.o:
+	${YACC} ${YFLAGS} ${.IMPSRC}
+	${CC} ${CFLAGS} -c y.tab.c
+	rm -f y.tab.c
+	mv y.tab.o ${.TARGET}
+	${CTFCONVERT_CMD}
+
+.l.o:
+	${LEX} ${LFLAGS} ${.IMPSRC}
+	${CC} ${CFLAGS} -c lex.yy.c
+	rm -f lex.yy.c
+	mv lex.yy.o ${.TARGET}
+	${CTFCONVERT_CMD}
+
+.y.c:
+	${YACC} ${YFLAGS} ${.IMPSRC}
+	mv y.tab.c ${.TARGET}
+
+.l.c:
+	${LEX} ${LFLAGS} ${.IMPSRC}
+	mv lex.yy.c ${.TARGET}
+
+.c.a:
+	${CC} ${CFLAGS} -c ${.IMPSRC}
+	${AR} ${ARFLAGS} ${.TARGET} ${.PREFIX}.o
+	rm -f ${.PREFIX}.o
+
+.f.a:
+	${FC} ${FFLAGS} -c ${.IMPSRC}
+	${AR} ${ARFLAGS} ${.TARGET} ${.PREFIX}.o
+	rm -f ${.PREFIX}.o
+
+.else
+
+# non-Posix rule set
+
+.sh:
+	cp -fp ${.IMPSRC} ${.TARGET}
+	chmod a+x ${.TARGET}
+
+.c.ln:
+	${LINT} ${LINTOBJFLAGS} ${CFLAGS:M-[DIU]*} ${.IMPSRC} || \
+	    touch ${.TARGET}
+
+.cc.ln .C.ln .cpp.ln .cxx.ln:
+	${LINT} ${LINTOBJFLAGS} ${CXXFLAGS:M-[DIU]*} ${.IMPSRC} || \
+	    touch ${.TARGET}
+
+.c:
+	${CC} ${CFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} -o ${.TARGET}
+	${CTFCONVERT_CMD}
+
+.c.o:
+	${CC} ${CFLAGS} -c ${.IMPSRC}
+	${CTFCONVERT_CMD}
+
+.cc .cpp .cxx .C:
+	${CXX} ${CXXFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} -o ${.TARGET}
+
+.cc.o .cpp.o .cxx.o .C.o:
+	${CXX} ${CXXFLAGS} -c ${.IMPSRC}
+
+.m.o:
+	${OBJC} ${OBJCFLAGS} -c ${.IMPSRC}
+	${CTFCONVERT_CMD}
+
+.p.o:
+	${PC} ${PFLAGS} -c ${.IMPSRC}
+	${CTFCONVERT_CMD}
+
+.e .r .F .f:
+	${FC} ${RFLAGS} ${EFLAGS} ${FFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} \
+	    -o ${.TARGET}
+
+.e.o .r.o .F.o .f.o:
+	${FC} ${RFLAGS} ${EFLAGS} ${FFLAGS} -c ${.IMPSRC}
+
+.S.o:
+	${CC} ${CFLAGS} ${ACFLAGS} -c ${.IMPSRC}
+	${CTFCONVERT_CMD}
+
+.asm.o:
+	${CC} -x assembler-with-cpp ${CFLAGS} ${ACFLAGS} -c ${.IMPSRC}
+	${CTFCONVERT_CMD}
+
+.s.o:
+	${AS} ${AFLAGS} -o ${.TARGET} ${.IMPSRC}
+	${CTFCONVERT_CMD}
+
+# XXX not -j safe
+.y.o:
+	${YACC} ${YFLAGS} ${.IMPSRC}
+	${CC} ${CFLAGS} -c y.tab.c -o ${.TARGET}
+	rm -f y.tab.c
+	${CTFCONVERT_CMD}
+
+.l.o:
+	${LEX} -t ${LFLAGS} ${.IMPSRC} > ${.PREFIX}.tmp.c
+	${CC} ${CFLAGS} -c ${.PREFIX}.tmp.c -o ${.TARGET}
+	rm -f ${.PREFIX}.tmp.c
+	${CTFCONVERT_CMD}
+
+# XXX not -j safe
+.y.c:
+	${YACC} ${YFLAGS} ${.IMPSRC}
+	mv y.tab.c ${.TARGET}
+
+.l.c:
+	${LEX} -t ${LFLAGS} ${.IMPSRC} > ${.TARGET}
+
+.s.out .c.out .o.out:
+	${CC} ${CFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} -o ${.TARGET}
+	${CTFCONVERT_CMD}
+
+.f.out .F.out .r.out .e.out:
+	${FC} ${EFLAGS} ${RFLAGS} ${FFLAGS} ${LDFLAGS} ${.IMPSRC} \
+	    ${LDLIBS} -o ${.TARGET}
+	rm -f ${.PREFIX}.o
+	${CTFCONVERT_CMD}
+
+# XXX not -j safe
+.y.out:
+	${YACC} ${YFLAGS} ${.IMPSRC}
+	${CC} ${CFLAGS} ${LDFLAGS} y.tab.c ${LDLIBS} -ly -o ${.TARGET}
+	rm -f y.tab.c
+	${CTFCONVERT_CMD}
+
+.l.out:
+	${LEX} -t ${LFLAGS} ${.IMPSRC} > ${.PREFIX}.tmp.c
+	${CC} ${CFLAGS} ${LDFLAGS} ${.PREFIX}.tmp.c ${LDLIBS} -ll -o ${.TARGET}
+	rm -f ${.PREFIX}.tmp.c
+	${CTFCONVERT_CMD}
+
+# FreeBSD build pollution.  Hide it in the non-POSIX part of the ifdef.
+__MAKE_CONF?=/etc/make.conf
+.if exists(${__MAKE_CONF})
+.include "${__MAKE_CONF}"
+.endif
+
+.if defined(__MAKE_SHELL) && !empty(__MAKE_SHELL)
+SHELL=	${__MAKE_SHELL}
+.SHELL: path=${__MAKE_SHELL}
+.endif
+
+# Default executable format
+# XXX hint for bsd.port.mk
+OBJFORMAT?=	elf
+
+# Toggle on warnings
+.WARN: dirsyntax
+
+.endif
+
+.include <bsd.compat.mk>
+.include <bsd.cpu.mk>