2d03283ebc
fix stopped it being used in all cases, because substitution on unset variables does not work. When profiling, put -malign-functions=4 in CFLAGS instead of in PROF. This fixes the histogram counts for profiling support functions. It gives bogus but harmless extra alignment for genassym etc.
230 lines
6.7 KiB
Makefile
230 lines
6.7 KiB
Makefile
# Makefile.i386 -- with config changes.
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# Copyright 1990 W. Jolitz
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# from: @(#)Makefile.i386 7.1 5/10/91
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# $Id: Makefile.i386,v 1.99 1997/05/31 17:59:56 peter Exp $
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#
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# Makefile for FreeBSD
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#
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# This makefile is constructed from a machine description:
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# config machineid
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# Most changes should be made in the machine description
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# /sys/i386/conf/``machineid''
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# after which you should do
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# config machineid
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# Generic makefile changes should be made in
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# /sys/i386/conf/Makefile.i386
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# after which config should be rerun for all machines.
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#
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BINFORMAT?= aout
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#BINFORMAT?= aoutkld
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#BINFORMAT?= elf
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.if exists(./@/.)
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S= ./@
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.else
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S= ../..
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.endif
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I386= ${S}/i386
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COPTFLAGS?=-O
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INCLUDES= -nostdinc -I- -I. -I$S
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# This hack is to allow kernel compiles to succeed on machines w/out srcdist
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.if exists($S/../include)
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INCLUDES+= -I$S/../include
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.else
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INCLUDES+= -I/usr/include
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.endif
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COPTS= ${INCLUDES} ${IDENT} -DKERNEL -include opt_global.h
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CFLAGS= ${COPTFLAGS} ${CWARNFLAGS} ${DEBUG} ${COPTS}
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LOAD_ADDRESS?= F0100000
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DEFINED_PROF= ${PROF}
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.if defined(PROF)
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CFLAGS+= -malign-functions=4
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.if ${PROFLEVEL} >= 2
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IDENT+= -DGPROF4 -DGUPROF
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PROF+= -mprofiler-epilogue
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.endif
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.endif
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NORMAL_C= ${CC} -c ${CFLAGS} ${PROF} $<
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NORMAL_C_C= ${CC} -c ${CFLAGS} ${PROF} ${PARAM} $<
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# XXX LOCORE means "don't declare C stuff" not "for locore.s".
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NORMAL_S= ${CC} -c -x assembler-with-cpp -DLOCORE ${COPTS} $<
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DRIVER_C= ${CC} -c ${CFLAGS} ${PROF} $<
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DRIVER_C_C= ${CC} -c ${CFLAGS} ${PROF} ${PARAM} $<
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DRIVER_S= ${CC} -c -x assembler-with-cpp -DLOCORE ${COPTS} $<
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PROFILE_C= ${CC} -c ${CFLAGS} ${PARAM} $<
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# ${I386}/i386/setdef0.c and ${I386}/i386/setdef1.c are intentionally
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# omitted from SYSTEM_CFILES. They depend on setdefs.h, a header which
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# is generated from all of ${OBJS}. We don't want to have to compile
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# everything just to do a make depend.
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SYSTEM_CFILES= ioconf.c param.c vnode_if.c config.c
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SYSTEM_SFILES= ${I386}/i386/locore.s
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SYSTEM_DEP= Makefile symbols.exclude symbols.sort ${SYSTEM_OBJS}
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.if ${CFLAGS:M-g} == ""
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SYMORDER_EXCLUDE=-x symbols.exclude
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.endif
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SYSTEM_LD_HEAD= @echo loading $@; rm -f $@
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.if ${BINFORMAT} == aout
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SYSTEM_OBJS= locore.o vnode_if.o ${OBJS} ioconf.o param.o config.o
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SYSTEM_LD= @${LD} -Bstatic -Z -T ${LOAD_ADDRESS} -o $@ -X ${SYSTEM_OBJS} vers.o
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SYSTEM_LD_TAIL= @echo rearranging symbols; \
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symorder -m ${SYMORDER_EXCLUDE} symbols.sort $@; \
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size $@; chmod 755 $@
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.endif
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.if ${BINFORMAT} == aoutkld
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SYSTEM_OBJS= locore.o vnode_if.o ${OBJS} ioconf.o param.o config.o
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SYSTEM_LD= @${LD} -Bforcedynamic -Z -T ${LOAD_ADDRESS} -o $@ -X ${SYSTEM_OBJS} vers.o
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SYSTEM_LD_TAIL= @echo rearranging symbols; \
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symorder -m ${SYMORDER_EXCLUDE} symbols.sort $@; \
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size $@; chmod 755 $@
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.endif
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.if ${BINFORMAT} == elf
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SYSTEM_OBJS= locore.o setdef0.o vnode_if.o ${OBJS} ioconf.o param.o config.o \
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setdef1.o
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SYSTEM_LD= @${LD} -Bstatic -Ttext ${LOAD_ADDRESS} -e btext -defsym _DYNAMIC=0 \
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-o $@ -X ${SYSTEM_OBJS} vers.o
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SYSTEM_LD_TAIL= @size $@; chmod 755 $@
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.endif
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%BEFORE_DEPEND
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%OBJS
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%CFILES
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%SFILES
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%LOAD
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%CLEAN
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clean:
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rm -f *.o *.s eddep errs genassym gensetdefs kernel linterrs \
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makelinks param.c setdefs.h symbols.exclude symbols.sort tags \
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vers.c vnode_if.c vnode_if.h ${CLEAN}
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#lint: /tmp param.c
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# @lint -hbxn -DGENERIC -Dvolatile= ${COPTS} ${PARAM} \
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# ${I386}/i386/Locore.c ${CFILES} ioconf.c param.c | \
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# grep -v 'struct/union .* never defined' | \
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# grep -v 'possible pointer alignment problem'
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symbols.exclude: Makefile
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echo "gcc2_compiled." >symbols.exclude
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echo "___gnu_compiled_c" >>symbols.exclude
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symbols.sort: ${I386}/i386/symbols.raw
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grep -v '^#' ${I386}/i386/symbols.raw \
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| sed 's/^ //' | sort -u > symbols.sort
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locore.o: ${I386}/i386/locore.s assym.s
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${NORMAL_S}
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setdef0.o: ${I386}/i386/setdef0.c setdefs.h
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${NORMAL_C}
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setdef1.o: ${I386}/i386/setdef1.c setdefs.h
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${NORMAL_C}
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setdefs.h: gensetdefs ${OBJS}
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./gensetdefs ${OBJS} >setdefs.h
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gensetdefs: gensetdefs.o
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${CC} ${CFLAGS} gensetdefs.o -o $@
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gensetdefs.o: ${I386}/i386/gensetdefs.c
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${CC} -c ${CFLAGS} ${I386}/i386/gensetdefs.c
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# everything potentially depends on the Makefile since everything potentially
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# depends on the options. Some things are more dependent on the Makefile for
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# historical reasons.
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machdep.o: Makefile
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# the following is necessary because autoconf.o depends on #if GENERIC
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autoconf.o: Makefile
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# XXX - may no longer be needed
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locore.o: Makefile
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# depends on KDB (cons.o also depends on GENERIC)
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trap.o cons.o: Makefile
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# this rule stops ./assym.s in .depend from causing problems
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./assym.s: assym.s
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assym.s: genassym
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./genassym >assym.s
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# Some of the defines that genassym outputs may well depend on the
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# value of kernel options.
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genassym.o: ${I386}/i386/genassym.c Makefile opt_global.h
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${CC} -c ${CFLAGS} ${PARAM} -UKERNEL ${I386}/i386/genassym.c
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genassym: genassym.o
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${CC} ${CFLAGS} ${PARAM} genassym.o -o $@
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${OBJS}: opt_global.h
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# XXX this assumes that the options for NORMAL_C* and DRIVER_C* are identical.
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depend: assym.s param.c vnode_if.h ${BEFORE_DEPEND}
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rm -f .newdep
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mkdep -a -f .newdep ${COPTS} ${CFILES} ${SYSTEM_CFILES}
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mkdep -a -f .newdep ${COPTS} ${PARAM} -UKERNEL ${I386}/i386/genassym.c
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MKDEP_CPP="${CC} -E -x assembler-with-cpp" ; export MKDEP_CPP ; \
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mkdep -a -f .newdep -DLOCORE ${COPTS} ${SFILES} ${SYSTEM_SFILES}
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rm -f .depend
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mv -f .newdep .depend
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links:
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egrep '#if' ${CFILES:Nswapkernel.c} | sed -f $S/conf/defines | \
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sed -e 's/:.*//' -e 's/\.c/.o/' | sort -u > dontlink
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echo ${CFILES:Nswapkernel.c} | tr -s ' ' '\12' | sed 's/\.c/.o/' | \
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sort -u | comm -23 - dontlink | \
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sed 's,../.*/\(.*.o\),rm -f \1;ln -s ../GENERIC/\1 \1,' > makelinks
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sh makelinks && rm -f dontlink
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tags:
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@echo "see $S/kern/Makefile for tags"
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install:
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@if [ ! -f kernel ] ; then \
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echo "You must first build your kernel before trying to install." ; \
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exit 1 ; \
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fi
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chflags noschg /kernel
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mv /kernel /kernel.old
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if [ `/usr/sbin/sysctl -n kern.bootfile` = /kernel ] ; then \
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/usr/sbin/sysctl -w kern.bootfile=/kernel.old ; \
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mv -f /var/db/kvm_kernel.db /var/db/kvm_kernel.old.db ; \
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fi
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install -c -m 555 -o root -g wheel -fschg kernel /
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ioconf.o: ioconf.c $S/sys/param.h $S/sys/buf.h \
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${I386}/isa/isa_device.h ${I386}/isa/isa.h ${I386}/isa/icu.h
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${CC} -c ${CFLAGS} ioconf.c
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param.c: $S/conf/param.c
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-rm -f param.c
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cp $S/conf/param.c .
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param.o: param.c Makefile
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${CC} -c ${CFLAGS} ${PARAM} param.c
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vers.o: ${SYSTEM_DEP} ${SYSTEM_SWAP_DEP}
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sh $S/conf/newvers.sh ${KERN_IDENT} ${IDENT}
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${CC} ${CFLAGS} -c vers.c
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vnode_if.c: $S/kern/vnode_if.sh $S/kern/vnode_if.src
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sh $S/kern/vnode_if.sh $S/kern/vnode_if.src
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vnode_if.h: $S/kern/vnode_if.sh $S/kern/vnode_if.src
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sh $S/kern/vnode_if.sh $S/kern/vnode_if.src
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.include <bsd.kern.mk>
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%RULES
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# DO NOT DELETE THIS LINE -- make depend uses it
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