61a91ed7ca
linker sets don't work and thus neither does the kernel. This should stop being a problem with an improved linker set mechanism in the pipeline (see the bootloader) but for now this has to stay like this.
264 lines
7.1 KiB
Makefile
264 lines
7.1 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 1.131 1998/12/20 16:25:21 bde 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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# Which version of config(8) is required.
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%VERSREQ= 300009
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KERNFORMAT?= aout
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STD8X16FONT?= iso
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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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# XXX LOCORE means "don't declare C stuff" not "for locore.s".
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ASM_CFLAGS= -x assembler-with-cpp -DLOCORE ${CFLAGS}
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# Use the default object format for genassym, etc.
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GEN_CFLAGS= ${COPTFLAGS} ${CWARNFLAGS} ${DEBUG} ${COPTS}
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# Select the correct set of tools. Can't set OBJFORMAT here because it
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# doesn't get exported into the environment, and if it were exported
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# then it might break building of genassym, etc.
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.if ${KERNFORMAT} == "elf"
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CFLAGS+= -elf
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.else
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CFLAGS+= -aout
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.endif
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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} $<
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NORMAL_S= ${CC} -c ${ASM_CFLAGS} $<
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DRIVER_C= ${CC} -c ${CFLAGS} ${PROF} $<
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DRIVER_C_C= ${CC} -c ${CFLAGS} ${PROF} $<
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DRIVER_S= ${CC} -c -x ${ASM_CFLAGS} $<
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PROFILE_C= ${CC} -c ${CFLAGS} $<
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GEN_CFILES= ${I386}/i386/genassym.c ${I386}/i386/gensetdefs.c
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# ${I386}/i386/setdef0.c and ${I386}/i386/setdef1.c are intentionally
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# omitted from SYSTEM_CFILES. They include 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 ${.TARGET}; rm -f ${.TARGET}
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.if ${KERNFORMAT} == aout || ${KERNFORMAT} == 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} -aout -Bforcedynamic -Z -T ${LOAD_ADDRESS} -o ${.TARGET} -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 ${.TARGET}; \
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size -aout ${.TARGET} ; chmod 755 ${.TARGET}
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.endif
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.if ${KERNFORMAT} == elf
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SYSTEM_OBJS= locore.o setdef0.o vnode_if.o ${OBJS} ioconf.o param.o config.o \
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setdef1.o hack.so
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SYSTEM_LD= @${LD} -elf -Bdynamic -T $S/i386/conf/kernel.script \
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-export-dynamic -dynamic-linker /red/herring \
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-o ${.TARGET} -X ${SYSTEM_OBJS} vers.o
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SYSTEM_LD_TAIL= @size -elf ${.TARGET} ; chmod 755 ${.TARGET}
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SYSTEM_DEP+= $S/i386/conf/kernel.script
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.endif
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%BEFORE_DEPEND
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%OBJS
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%CFILES
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%SFILES
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%MFILES
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%LOAD
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%CLEAN
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.if !exists(.depend)
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${SYSTEM_OBJS}: ${BEFORE_DEPEND:M*.h}
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.endif
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clean:
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rm -f *.o *.so *.ko *.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} \
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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:
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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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.if ${KERNFORMAT} == elf
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# This is a hack. BFD "optimizes" away dynamic mode if there are no
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# dynamic references. We could probably do a '-Bforcedynamic' mode like
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# in the a.out ld. For now, this works.
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hack.so: Makefile
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touch hack.c
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${CC} -elf -shared -nostdlib hack.c -o hack.so
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rm -f hack.c
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.endif
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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} ${GEN_CFLAGS} gensetdefs.o -o ${.TARGET}
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gensetdefs.o: ${I386}/i386/gensetdefs.c
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${CC} -c ${GEN_CFLAGS} ${I386}/i386/gensetdefs.c
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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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genassym.o: ${I386}/i386/genassym.c
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${CC} -c ${GEN_CFLAGS} ${I386}/i386/genassym.c
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genassym: genassym.o
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${CC} ${GEN_CFLAGS} genassym.o -o ${.TARGET}
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${SYSTEM_OBJS} genassym.o gensetdefs.o vers.o: 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 ${CFLAGS} ${CFILES} ${SYSTEM_CFILES}
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mkdep -a -f .newdep ${GEN_CFLAGS} ${GEN_CFILES}
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env MKDEP_CPP="${CC} -E" \
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mkdep -a -f .newdep ${ASM_CFLAGS} ${SFILES} ${SYSTEM_SFILES}
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rm -f .depend
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mv -f .newdep .depend
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cleandepend:
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rm -f .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 $S/kern/Makefile for tags"
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install:
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@if [ ! -f kernel ] ; then \
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echo "You must first build your kernel before trying to install." ; \
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exit 1 ; \
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fi
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.if exists(${DESTDIR}/kernel)
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chflags noschg ${DESTDIR}/kernel
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mv ${DESTDIR}/kernel ${DESTDIR}/kernel.old
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.endif
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PATH=$${PATH}:/sbin:/usr/sbin; \
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if [ `sysctl -n kern.bootfile` = ${DESTDIR}/kernel ] ; then \
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sysctl -w kern.bootfile=${DESTDIR}/kernel.old ; \
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if [ -f /var/db/kvm_kernel.db ] ; then \
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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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fi
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install -c -m 555 -o root -g wheel -fschg kernel ${DESTDIR}/
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config.o:
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${NORMAL_C}
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ioconf.o:
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${NORMAL_C}
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param.c: $S/conf/param.c
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-rm -f param.c
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cp $S/conf/param.c .
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param.o:
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${NORMAL_C}
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vers.c: $S/conf/newvers.sh $S/sys/param.h ${SYSTEM_DEP}
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sh $S/conf/newvers.sh ${KERN_IDENT} ${IDENT}
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# XXX strictly, everything depends on Makefile because changes to ${PROF}
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# only appear there, but we don't handle that.
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vers.o:
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${NORMAL_C}
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.ORDER: vnode_if.c vnode_if.h
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vnode_if.c vnode_if.h: $S/kern/vnode_if.sh $S/kern/vnode_if.src
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sh $S/kern/vnode_if.sh $S/kern/vnode_if.src
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vnode_if.o:
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${NORMAL_C}
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.if exists($S/../share/mk)
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.include "$S/../share/mk/bsd.kern.mk"
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.else
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.include <bsd.kern.mk>
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.endif
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%RULES
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# DO NOT DELETE THIS LINE -- make depend uses it
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