#! /usr/bin/env sh # $NetBSD: build.sh,v 1.97 2003/05/08 12:49:45 christos Exp $ # # Copyright (c) 2001-2003 The NetBSD Foundation, Inc. # All rights reserved. # # This code is derived from software contributed to The NetBSD Foundation # by Todd Vierling and Luke Mewburn. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions # are met: # 1. Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # 2. Redistributions in binary form must reproduce the above copyright # notice, this list of conditions and the following disclaimer in the # documentation and/or other materials provided with the distribution. # 3. All advertising materials mentioning features or use of this software # must display the following acknowledgement: # This product includes software developed by the NetBSD # Foundation, Inc. and its contributors. # 4. Neither the name of The NetBSD Foundation nor the names of its # contributors may be used to endorse or promote products derived # from this software without specific prior written permission. # # THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS # ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED # TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS # BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE # POSSIBILITY OF SUCH DAMAGE. # # # Top level build wrapper, for a system containing no tools. # # This script should run on any POSIX-compliant shell. For systems # with a strange /bin/sh, "ksh" or "bash" may be an ample alternative. # # Note, however, that due to the way the interpreter is invoked above, # if a POSIX-compliant shell is the first in the PATH, you won't have # to take any further action. # progname=${0##*/} toppid=$$ trap "exit 1" 1 2 3 15 bomb() { cat >&2 </dev/null) uname_m=$(uname -m 2>/dev/null) # If $PWD is a valid name of the current directory, POSIX mandates # that pwd return it by default which causes problems in the # presence of symlinks. Unsetting PWD is simpler than changing # every occurrence of pwd to use -P. # # XXX Except that doesn't work on Solaris. unset PWD if [ "${uname_s}" = "SunOS" ]; then TOP=$(pwd -P) else TOP=$(pwd) fi # Set defaults. toolprefix=nb # Some systems have a small ARG_MAX. -X prevents make(1) from # exporting variables in the environment redundantly. case "${uname_s}" in Darwin | FreeBSD | CYGWIN*) MAKEFLAGS=-X ;; *) MAKEFLAGS= ;; esac makeenv= makewrapper= runcmd= operations= removedirs= do_expertmode=false do_rebuildmake=false do_removedirs=false # do_{operation}=true if given operation is requested. # do_tools=false do_obj=false do_build=false do_distribution=false do_release=false do_kernel=false do_install=false do_sets=false } getarch() { # Translate a MACHINE into a default MACHINE_ARCH. # case $MACHINE in acorn26|acorn32|cats|netwinder|shark|*arm) MACHINE_ARCH=arm ;; sun2) MACHINE_ARCH=m68000 ;; amiga|atari|cesfic|hp300|sun3|*68k) MACHINE_ARCH=m68k ;; mipsco|newsmips|sbmips|sgimips) MACHINE_ARCH=mipseb ;; algor|arc|cobalt|evbmips|hpcmips|playstation2|pmax) MACHINE_ARCH=mipsel ;; pc532) MACHINE_ARCH=ns32k ;; bebox|prep|sandpoint|*ppc) MACHINE_ARCH=powerpc ;; evbsh3|mmeye) MACHINE_ARCH=sh3eb ;; dreamcast|hpcsh) MACHINE_ARCH=sh3el ;; hp700) MACHINE_ARCH=hppa ;; evbsh5) MACHINE_ARCH=sh5el ;; amd64) MACHINE_ARCH=x86_64 ;; alpha|i386|sparc|sparc64|vax) MACHINE_ARCH=$MACHINE ;; *) bomb "unknown target MACHINE: $MACHINE" ;; esac } validatearch() { # Ensure that the MACHINE_ARCH exists (and is supported by build.sh). # case $MACHINE_ARCH in alpha|arm|armeb|hppa|i386|m68000|m68k|mipse[bl]|ns32k|powerpc|sh[35]e[bl]|sparc|sparc64|vax|x86_64) ;; *) bomb "unknown target MACHINE_ARCH: $MACHINE_ARCH" ;; esac } getmakevar() { [ -x $make ] || bomb "getmakevar $1: $make is not executable" $make -m ${TOP}/share/mk -s -f- _x_ < .include EOF } safe_getmakevar() { # getmakevar() doesn't work properly if $make hasn't yet been built, # which can happen when running with the "-n" option. # safe_getmakevar() deals with this by emitting a literal '$' # followed by the variable name, instead of trying to find the # variable's value. # if [ -x $make ]; then getmakevar "$1" else echo "\$$1" fi } resolvepath() { case $OPTARG in /*) ;; *) OPTARG="$TOP/$OPTARG" ;; esac } usage() { if [ -n "$*" ]; then echo "" echo "${progname}: $*" fi cat <<_usage_ Usage: ${progname} [-EnorUu] [-a arch] [-B buildid] [-D dest] [-j njob] [-M obj] [-m mach] [-O obj] [-R release] [-T tools] [-V var=[value]] [-w wrapper] operation [...] Build operations (all imply "obj" and "tools"): build Run "make build" distribution Run "make distribution" (includes DESTDIR/etc/ files) release Run "make release" (includes kernels & distrib media) Other operations: help Show this message (and exit) makewrapper Create ${toolprefix}make-\${MACHINE} wrapper and ${toolprefix}make. (Always done) obj Run "make obj" (default unless -o is used) tools Build and install tools kernel=conf Build kernel with config file \`conf' install=idir Run "make installworld" to \`idir' (useful after 'distribution' or 'release') sets Create distribution sets in RELEASEDIR Options: -a arch Set MACHINE_ARCH to arch (otherwise deduced from MACHINE) -B buildId Set BUILDID to buildId -D dest Set DESTDIR to dest -E Set "expert" mode; disables some DESTDIR checks -j njob Run up to njob jobs in parallel; see make(1) -M obj Set obj root directory to obj (sets MAKEOBJDIRPREFIX) -m mach Set MACHINE to mach (not required if NetBSD native) -n Show commands that would be executed, but do not execute them -O obj Set obj root directory to obj (sets a MAKEOBJDIR pattern) -o Set MKOBJDIRS=no (do not create objdirs at start of build) -R release Set RELEASEDIR to release -r Remove contents of TOOLDIR and DESTDIR before building -T tools Set TOOLDIR to tools. If unset, and TOOLDIR is not set in the environment, ${toolprefix}make will be (re)built unconditionally -U Set UNPRIVED (build without requiring root privileges) -u Set UPDATE (do not run "make clean" first) -V v=[val] Set variable \`v' to \`val' -w wrapper Create ${toolprefix}make script as wrapper (Default: \${TOOLDIR}/bin/${toolprefix}make-\${MACHINE}) _usage_ exit 1 } parseoptions() { opts='a:B:bD:dEhi:j:k:M:m:nO:oR:rT:tUuV:w:' opt_a=no if type getopts >/dev/null 2>&1; then # Use POSIX getopts. getoptcmd='getopts $opts opt && opt=-$opt' optargcmd=':' optremcmd='shift $(($OPTIND -1))' else type getopt >/dev/null 2>&1 || bomb "/bin/sh shell is too old; try ksh or bash" # Use old-style getopt(1) (doesn't handle whitespace in args). args="$(getopt $opts $*)" [ $? = 0 ] || usage set -- $args getoptcmd='[ $# -gt 0 ] && opt="$1" && shift' optargcmd='OPTARG="$1"; shift' optremcmd=':' fi # Parse command line options. # while eval $getoptcmd; do case $opt in -a) eval $optargcmd MACHINE_ARCH=$OPTARG opt_a=yes ;; -B) eval $optargcmd BUILDID=$OPTARG ;; -b) usage "'-b' has been replaced by 'makewrapper'" ;; -D) eval $optargcmd; resolvepath DESTDIR="$OPTARG" export DESTDIR makeenv="$makeenv DESTDIR" ;; -d) usage "'-d' has been replaced by 'distribution'" ;; -E) do_expertmode=true ;; -i) usage "'-i idir' has been replaced by 'install=idir'" ;; -j) eval $optargcmd parallel="-j $OPTARG" ;; -k) usage "'-k conf' has been replaced by 'kernel=conf'" ;; -M) eval $optargcmd; resolvepath MAKEOBJDIRPREFIX="$OPTARG" export MAKEOBJDIRPREFIX makeobjdir=$OPTARG makeenv="$makeenv MAKEOBJDIRPREFIX" ;; # -m overrides MACHINE_ARCH unless "-a" is specified -m) eval $optargcmd MACHINE=$OPTARG [ "$opt_a" != "yes" ] && getarch ;; -n) runcmd=echo ;; -O) eval $optargcmd; resolvepath MAKEOBJDIR="\${.CURDIR:C,^$TOP,$OPTARG,}" export MAKEOBJDIR makeobjdir=$OPTARG makeenv="$makeenv MAKEOBJDIR" ;; -o) MKOBJDIRS=no ;; -R) eval $optargcmd; resolvepath RELEASEDIR=$OPTARG export RELEASEDIR makeenv="$makeenv RELEASEDIR" ;; -r) do_removedirs=true do_rebuildmake=true ;; -T) eval $optargcmd; resolvepath TOOLDIR="$OPTARG" export TOOLDIR ;; -t) usage "'-t' has been replaced by 'tools'" ;; -U) UNPRIVED=yes export UNPRIVED makeenv="$makeenv UNPRIVED" ;; -u) UPDATE=yes export UPDATE makeenv="$makeenv UPDATE" ;; -V) eval $optargcmd case "${OPTARG}" in # XXX: consider restricting which variables can be changed? [a-zA-Z_][a-zA-Z_0-9]*=*) var=${OPTARG%%=*} value=${OPTARG#*=} eval "${var}=\"${value}\"; export ${var}" makeenv="$makeenv ${var}" ;; *) usage "-V argument must be of the form 'var=[value]'" ;; esac ;; -w) eval $optargcmd; resolvepath makewrapper="$OPTARG" ;; --) break ;; -'?'|-h) usage ;; esac done # Validate operations. # eval $optremcmd while [ $# -gt 0 ]; do op=$1; shift operations="$operations $op" case "$op" in help) usage ;; makewrapper|obj|tools|build|distribution|release|sets) ;; kernel=*) arg=${op#*=} op=${op%%=*} if [ -z "${arg}" ]; then bomb "Must supply a kernel name with \`kernel=...'" fi ;; install=*) arg=${op#*=} op=${op%%=*} if [ -z "${arg}" ]; then bomb "Must supply a directory with \`install=...'" fi ;; *) usage "Unknown operation \`${op}'" ;; esac eval do_$op=true done if [ -z "${operations}" ]; then usage "Missing operation to perform." fi # Set up MACHINE*. On a NetBSD host, these are allowed to be unset. # if [ -z "$MACHINE" ]; then if [ "${uname_s}" != "NetBSD" ]; then bomb "MACHINE must be set, or -m must be used, for cross builds." fi MACHINE=${uname_m} fi [ -n "$MACHINE_ARCH" ] || getarch validatearch # Set up default make(1) environment. # makeenv="$makeenv TOOLDIR MACHINE MACHINE_ARCH MAKEFLAGS" if [ ! -z "$BUILDID" ]; then makeenv="$makeenv BUILDID" fi MAKEFLAGS="-m $TOP/share/mk $MAKEFLAGS MKOBJDIRS=${MKOBJDIRS-yes}" export MAKEFLAGS MACHINE MACHINE_ARCH } rebuildmake() { # Test make source file timestamps against installed ${toolprefix}make # binary, if TOOLDIR is pre-set. # # Note that we do NOT try to grovel "mk.conf" here to find out if # TOOLDIR is set there, because it can contain make variable # expansions and other stuff only parseable *after* we have a working # ${toolprefix}make. So this logic can only work if the user has # pre-set TOOLDIR in the environment or used the -T option to build.sh. # make="${TOOLDIR-nonexistent}/bin/${toolprefix}make" if [ -x $make ]; then for f in usr.bin/make/*.[ch] usr.bin/make/lst.lib/*.[ch]; do if [ $f -nt $make ]; then do_rebuildmake=true break fi done else do_rebuildmake=true fi # Build bootstrap ${toolprefix}make if needed. if $do_rebuildmake; then $runcmd echo "===> Bootstrapping ${toolprefix}make" tmpdir="${TMPDIR-/tmp}/nbbuild$$" $runcmd mkdir "$tmpdir" || bomb "cannot mkdir: $tmpdir" trap "cd /; rm -r -f \"$tmpdir\"" 0 $runcmd cd "$tmpdir" $runcmd env CC="${HOST_CC-cc}" CPPFLAGS="${HOST_CPPFLAGS}" \ CFLAGS="${HOST_CFLAGS--O}" LDFLAGS="${HOST_LDFLAGS}" \ "$TOP/tools/make/configure" || bomb "configure of ${toolprefix}make failed" $runcmd sh buildmake.sh || bomb "build of ${toolprefix}make failed" make="$tmpdir/${toolprefix}make" $runcmd cd "$TOP" $runcmd rm -f usr.bin/make/*.o usr.bin/make/lst.lib/*.o fi } validatemakeparams() { if [ "$runcmd" = "echo" ]; then TOOLCHAIN_MISSING=no EXTERNAL_TOOLCHAIN="" else TOOLCHAIN_MISSING=$(getmakevar TOOLCHAIN_MISSING) EXTERNAL_TOOLCHAIN=$(getmakevar EXTERNAL_TOOLCHAIN) fi if [ "${TOOLCHAIN_MISSING}" = "yes" ] && \ [ -z "${EXTERNAL_TOOLCHAIN}" ]; then $runcmd echo "ERROR: build.sh (in-tree cross-toolchain) is not yet available for" $runcmd echo " MACHINE: ${MACHINE}" $runcmd echo " MACHINE_ARCH: ${MACHINE_ARCH}" $runcmd echo "" $runcmd echo "All builds for this platform should be done via a traditional make" $runcmd echo "If you wish to use an external cross-toolchain, set" $runcmd echo " EXTERNAL_TOOLCHAIN=" $runcmd echo "in either the environment or mk.conf and rerun" $runcmd echo " $progname $*" exit 1 fi # If TOOLDIR isn't already set, make objdirs in "tools" in case the # default setting from is used. # if [ -z "$TOOLDIR" ] && [ "$MKOBJDIRS" != "no" ]; then $runcmd cd tools $runcmd $make -m ${TOP}/share/mk obj NOSUBDIR= || bomb "make obj failed in tools" $runcmd cd "$TOP" fi # If setting -M or -O to root an obj dir make sure the base directory # is made before continuing as bsd.own.mk will need this to pick up # _SRC_TOP_OBJ_ # if [ "$MKOBJDIRS" != "no" ] && [ ! -z "$makeobjdir" ]; then $runcmd mkdir -p "$makeobjdir" fi # Find DESTDIR and TOOLDIR. # DESTDIR=$(safe_getmakevar DESTDIR) $runcmd echo "===> DESTDIR path: $DESTDIR" TOOLDIR=$(safe_getmakevar TOOLDIR) $runcmd echo "===> TOOLDIR path: $TOOLDIR" export DESTDIR TOOLDIR # Check validity of TOOLDIR and DESTDIR. # if [ -z "$TOOLDIR" ] || [ "$TOOLDIR" = "/" ]; then bomb "TOOLDIR '$TOOLDIR' invalid" fi removedirs="$TOOLDIR" if [ -z "$DESTDIR" ] || [ "$DESTDIR" = "/" ]; then if $do_build || $do_distribution || $do_release; then if ! $do_build || \ [ "${uname_s}" != "NetBSD" ] || \ [ "${uname_m}" != "$MACHINE" ]; then bomb "DESTDIR must != / for cross builds, or ${progname} 'distribution' or 'release'." fi if ! $do_expertmode; then bomb "DESTDIR must != / for non -E (expert) builds" fi $runcmd echo "===> WARNING: Building to /, in expert mode." $runcmd echo "===> This may cause your system to break! Reasons include:" $runcmd echo "===> - your kernel is not up to date" $runcmd echo "===> - the libraries or toolchain have changed" $runcmd echo "===> YOU HAVE BEEN WARNED!" fi else removedirs="$removedirs $DESTDIR" fi if $do_build || $do_distribution || $do_release; then if ! $do_expertmode && \ [ $(id -u 2>/dev/null) -ne 0 ] &&\ [ -z "$UNPRIVED" ] ; then bomb "-U or -E must be set for build as an unprivileged user." fi fi } createmakewrapper() { # Remove the target directories. # if $do_removedirs; then for f in $removedirs; do $runcmd echo "===> Removing $f" $runcmd rm -r -f $f done fi # Recreate $TOOLDIR. # $runcmd mkdir -p "$TOOLDIR/bin" || bomb "mkdir of '$TOOLDIR/bin' failed" # Install ${toolprefix}make if it was built. # if $do_rebuildmake; then $runcmd rm -f "$TOOLDIR/bin/${toolprefix}make" $runcmd cp $make "$TOOLDIR/bin/${toolprefix}make" || bomb "failed to install \$TOOLDIR/bin/${toolprefix}make" make="$TOOLDIR/bin/${toolprefix}make" $runcmd echo "===> Created ${make}" $runcmd rm -r -f "$tmpdir" trap 0 fi # Build a ${toolprefix}make wrapper script, usable by hand as # well as by build.sh. # if [ -z "$makewrapper" ]; then makewrapper="$TOOLDIR/bin/${toolprefix}make-$MACHINE" if [ ! -z "$BUILDID" ]; then makewrapper="$makewrapper-$BUILDID" fi fi $runcmd rm -f "$makewrapper" if [ "$runcmd" = "echo" ]; then echo 'cat <'$makewrapper makewrapout= else makewrapout=">>\$makewrapper" fi eval cat < Updated ${makewrapper}" } buildtools() { if [ "$MKOBJDIRS" != "no" ]; then $runcmd "$makewrapper" $parallel obj-tools || bomb "failed to make obj-tools" fi $runcmd cd tools if [ -z "$UPDATE" ]; then cleandir=cleandir else cleandir= fi $runcmd "$makewrapper" ${cleandir} dependall install || bomb "failed to make tools" } buildkernel() { kernconf="$1" if ! $do_tools; then # Building tools every time we build a kernel is clearly # unnecessary. We could try to figure out whether rebuilding # the tools is necessary this time, but it doesn't seem worth # the trouble. Instead, we say it's the user's responsibility # to rebuild the tools if necessary. # $runcmd echo "===> Building kernel without building new tools" fi $runcmd echo "===> Building kernel ${kernconf}" if [ "$MKOBJDIRS" != "no" ] && [ ! -z "$makeobjdir" ]; then # The correct value of KERNOBJDIR might # depend on a prior "make obj" in # ${KERNSRCDIR}/${KERNARCHDIR}/compile. # KERNSRCDIR="$(safe_getmakevar KERNSRCDIR)" KERNARCHDIR="$(safe_getmakevar KERNARCHDIR)" $runcmd cd "${KERNSRCDIR}/${KERNARCHDIR}/compile" $runcmd "$makewrapper" obj || bomb "failed to make obj in ${KERNSRCDIR}/${KERNARCHDIR}/compile" $runcmd cd "$TOP" fi KERNCONFDIR="$(safe_getmakevar KERNCONFDIR)" KERNOBJDIR="$(safe_getmakevar KERNOBJDIR)" case "${kernconf}" in */*) kernconfpath="${kernconf}" kernconfbase="$(basename "${kernconf}")" ;; *) kernconfpath="${KERNCONFDIR}/${kernconf}" kernconfbase="${kernconf}" ;; esac kernbuilddir="${KERNOBJDIR}/${kernconfbase}" $runcmd echo "===> Kernel build directory: ${kernbuilddir}" $runcmd mkdir -p "${kernbuilddir}" || bomb "cannot mkdir: ${kernbuilddir}" if [ -z "$UPDATE" ]; then $runcmd cd "${kernbuilddir}" $runcmd "$makewrapper" cleandir || bomb "make cleandir failed in ${kernbuilddir}" $runcmd cd "$TOP" fi $runcmd "${TOOLDIR}/bin/${toolprefix}config" -b "${kernbuilddir}" \ -s "${TOP}/sys" "${kernconfpath}" || bomb "${toolprefix}config failed for ${kernconf}" $runcmd cd "${kernbuilddir}" $runcmd "$makewrapper" depend || bomb "make depend failed in ${kernbuilddir}" $runcmd "$makewrapper" $parallel all || bomb "make all failed in ${kernbuilddir}" if [ "$runcmd" != "echo" ]; then echo "===> New kernels built:" kernlist=$(awk '$1 == "config" { print $2 }' ${kernconfpath}) for kern in ${kernlist:-netbsd}; do [ -f "${kernbuilddir}/${kern}" ] && \ echo " ${kernbuilddir}/${kern}" done fi } installworld() { dir="$1" ${runcmd} "$makewrapper" INSTALLWORLDDIR="${dir}" installworld || bomb "failed to make installworld to ${dir}" } main() { initdefaults parseoptions "$@" build_start=$(date) echo "===> ${progname} command: $0 $@" echo "===> ${progname} started: $build_start" rebuildmake validatemakeparams createmakewrapper # Perform the operations. # for op in $operations; do case "$op" in makewrapper) # no-op ;; tools) buildtools ;; obj|build|distribution|release|sets) ${runcmd} "$makewrapper" $parallel $op || bomb "failed to make $op" ;; kernel=*) arg=${op#*=} buildkernel "${arg}" ;; install=*) arg=${op#*=} if [ "${arg}" = "/" ] && \ ( [ "${uname_s}" != "NetBSD" ] || \ [ "${uname_m}" != "$MACHINE" ] ); then bomb "'${op}' must != / for cross builds." fi installworld "${arg}" ;; *) bomb "Unknown operation \`${op}'" ;; esac done echo "===> ${progname} started: $build_start" echo "===> ${progname} ended: $(date)" } main "$@"