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build.sh
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build.sh
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#! /usr/bin/env sh
# $NetBSD: build.sh,v 1.171 2007/06/26 12:59:38 apb Exp $
#
# Copyright (c) 2001-2005 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. If the
# first "sh" found in the PATH is a POSIX-compliant shell, then
# you should not need to take any special action. Otherwise, you
# should set the environment variable HOST_SH to a POSIX-compliant
# shell, and invoke build.sh with that shell. (Depending on your
# system, one of /bin/ksh, /usr/local/bin/bash, or /usr/xpg4/bin/sh
# might be a suitable shell.)
#
progname=${0##*/}
toppid=$$
results=/dev/null
trap "exit 1" 1 2 3 15
bomb()
{
cat >&2 <<ERRORMESSAGE
ERROR: $@
*** BUILD ABORTED ***
ERRORMESSAGE
kill ${toppid} # in case we were invoked from a subshell
exit 1
}
statusmsg()
{
${runcmd} echo "===> $@" | tee -a "${results}"
}
warning()
{
statusmsg "Warning: $@"
}
# Find a program in the PATH, and print the result. If not found,
# print a default. If $2 is defined (even if it is an empty string),
# then that is the default; otherwise, $1 is used as the default.
find_in_PATH()
{
local prog="$1"
local result="${2-"$1"}"
local oldIFS="${IFS}"
local dir
IFS=":"
for dir in ${PATH}; do
if [ -x "${dir}/${prog}" ]; then
result="${dir}/${prog}"
break
fi
done
IFS="${oldIFS}"
echo "${result}"
}
# Try to find a working POSIX shell, and set HOST_SH to refer to it.
# Assumes that uname_s, uname_m, and PWD have been set.
set_HOST_SH()
{
# Even if ${HOST_SH} is already defined, we still do the
# sanity checks at the end.
# Solaris has /usr/xpg4/bin/sh.
#
[ -z "${HOST_SH}" ] && [ x"${uname_s}" = x"SunOS" ] && \
[ -x /usr/xpg4/bin/sh ] && HOST_SH="/usr/xpg4/bin/sh"
# Try to get the name of the shell that's running this script,
# by parsing the output from "ps". We assume that, if the host
# system's ps command supports -o comm at all, it will do so
# in the usual way: a one-line header followed by a one-line
# result, possibly including trailing white space. And if the
# host system's ps command doesn't support -o comm, we assume
# that we'll get an error message on stderr and nothing on
# stdout. (We don't try to use ps -o 'comm=' to suppress the
# header line, because that is less widely supported.)
#
# If we get the wrong result here, the user can override it by
# specifying HOST_SH in the environment.
#
[ -z "${HOST_SH}" ] && HOST_SH="$(
(ps -p $$ -o comm | sed -ne '2s/[ \t]*$//p') 2>/dev/null )"
# If nothing above worked, use "sh". We will later find the
# first directory in the PATH that has a "sh" program.
#
[ -z "${HOST_SH}" ] && HOST_SH="sh"
# If the result so far is not an absolute path, try to prepend
# PWD or search the PATH.
#
case "${HOST_SH}" in
/*) :
;;
*/*) HOST_SH="${PWD}/${HOST_SH}"
;;
*) HOST_SH="$(find_in_PATH "${HOST_SH}")"
;;
esac
# If we don't have an absolute path by now, bomb.
#
case "${HOST_SH}" in
/*) :
;;
*) bomb "HOST_SH=\"${HOST_SH}\" is not an absolute path."
;;
esac
# If HOST_SH is not executable, bomb.
#
[ -x "${HOST_SH}" ] ||
bomb "HOST_SH=\"${HOST_SH}\" is not executable."
}
initdefaults()
{
makeenv=
makewrapper=
makewrappermachine=
runcmd=
operations=
removedirs=
[ -d usr.bin/make ] || cd "$(dirname $0)"
[ -d usr.bin/make ] ||
bomb "build.sh must be run from the top source level"
[ -f share/mk/bsd.own.mk ] ||
bomb "src/share/mk is missing; please re-fetch the source tree"
# Find information about the build platform. Note that "uname -p"
# is not part of POSIX, but NetBSD's uname -p prints MACHINE_ARCH,
# while uname -m prints MACHINE.
#
uname_s=$(uname -s 2>/dev/null)
uname_r=$(uname -r 2>/dev/null)
uname_m=$(uname -m 2>/dev/null)
uname_p=$(uname -p 2>/dev/null || uname -m 2>/dev/null)
# If $PWD is a valid name of the current directory, POSIX mandates
# that pwd return it by default which causes problems in the
# presence of symlinks. Unsetting PWD is simpler than changing
# every occurrence of pwd to use -P.
#
# XXX Except that doesn't work on Solaris. Or many Linuces.
#
unset PWD
TOP=$(/bin/pwd -P 2>/dev/null || /bin/pwd 2>/dev/null)
# The user can set HOST_SH in the environment, or we try to
# guess an appropriate value. Then we set several other
# variables from HOST_SH.
#
set_HOST_SH
setmakeenv HOST_SH "${HOST_SH}"
setmakeenv BSHELL "${HOST_SH}"
setmakeenv CONFIG_SHELL "${HOST_SH}"
# Set defaults.
#
toolprefix=nb
# Some systems have a small ARG_MAX. -X prevents make(1) from
# exporting variables in the environment redundantly.
#
case "${uname_s}" in
Darwin | FreeBSD | CYGWIN*)
MAKEFLAGS=-X
;;
*)
MAKEFLAGS=
;;
esac
# do_{operation}=true if given operation is requested.
#
do_expertmode=false
do_rebuildmake=false
do_removedirs=false
do_tools=false
do_obj=false
do_build=false
do_distribution=false
do_release=false
do_kernel=false
do_releasekernel=false
do_install=false
do_sets=false
do_sourcesets=false
do_syspkgs=false
do_iso_image=false
do_params=false
# Create scratch directory
#
tmpdir="${TMPDIR-/tmp}/nbbuild$$"
mkdir "${tmpdir}" || bomb "Cannot mkdir: ${tmpdir}"
trap "cd /; rm -r -f \"${tmpdir}\"" 0
results="${tmpdir}/build.sh.results"
# Set source directories
#
setmakeenv NETBSDSRCDIR "${TOP}"
# Find the version of NetBSD
#
DISTRIBVER="$(${HOST_SH} ${TOP}/sys/conf/osrelease.sh)"
# Set various environment variables to known defaults,
# to minimize (cross-)build problems observed "in the field".
#
unsetmakeenv INFODIR
unsetmakeenv LESSCHARSET
setmakeenv LC_ALL C
}
getarch()
{
# Translate some MACHINE name aliases (known only to build.sh)
# into proper MACHINE and MACHINE_ARCH names. Save the alias
# name in makewrappermachine.
#
case "${MACHINE}" in
evbarm-e[bl])
makewrappermachine=${MACHINE}
# MACHINE_ARCH is "arm" or "armeb", not "armel"
MACHINE_ARCH=arm${MACHINE##*-}
MACHINE_ARCH=${MACHINE_ARCH%el}
MACHINE=${MACHINE%-e[bl]}
;;
evbmips-e[bl]|sbmips-e[bl])
makewrappermachine=${MACHINE}
MACHINE_ARCH=mips${MACHINE##*-}
MACHINE=${MACHINE%-e[bl]}
;;
evbmips64-e[bl]|sbmips64-e[bl])
makewrappermachine=${MACHINE}
MACHINE_ARCH=mips64${MACHINE##*-}
MACHINE=${MACHINE%64-e[bl]}
;;
evbsh3-e[bl])
makewrappermachine=${MACHINE}
MACHINE_ARCH=sh3${MACHINE##*-}
MACHINE=${MACHINE%-e[bl]}
;;
esac
# Translate a MACHINE into a default MACHINE_ARCH.
#
case "${MACHINE}" in
acorn26|acorn32|cats|hpcarm|iyonix|netwinder|shark|zaurus)
MACHINE_ARCH=arm
;;
evbarm) # unspecified MACHINE_ARCH gets LE
MACHINE_ARCH=${MACHINE_ARCH:=arm}
;;
hp700)
MACHINE_ARCH=hppa
;;
sun2)
MACHINE_ARCH=m68000
;;
amiga|atari|cesfic|hp300|luna68k|mac68k|mvme68k|news68k|next68k|sun3|x68k)
MACHINE_ARCH=m68k
;;
evbmips|sbmips) # no default MACHINE_ARCH
;;
ews4800mips|mipsco|newsmips|sgimips)
MACHINE_ARCH=mipseb
;;
algor|arc|cobalt|hpcmips|playstation2|pmax)
MACHINE_ARCH=mipsel
;;
pc532)
MACHINE_ARCH=ns32k
;;
evbppc64|macppc64)
makewrappermachine=${MACHINE}
MACHINE=${MACHINE%64}
MACHINE_ARCH=powerpc64
;;
amigappc|bebox|evbppc|ibmnws|macppc|mvmeppc|ofppc|pmppc|prep|sandpoint)
MACHINE_ARCH=powerpc
;;
evbsh3) # no default MACHINE_ARCH
;;
mmeye)
MACHINE_ARCH=sh3eb
;;
dreamcast|hpcsh|landisk)
MACHINE_ARCH=sh3el
;;
amd64)
MACHINE_ARCH=x86_64
;;
alpha|i386|sparc|sparc64|vax|ia64)
MACHINE_ARCH=${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]|mips64e[bl]|ns32k|powerpc|powerpc64|sh[35]e[bl]|sparc|sparc64|vax|x86_64|ia64)
;;
"")
bomb "No MACHINE_ARCH provided"
;;
*)
bomb "Unknown target MACHINE_ARCH: ${MACHINE_ARCH}"
;;
esac
# Determine valid MACHINE_ARCHs for MACHINE
#
case "${MACHINE}" in
evbarm)
arches="arm armeb"
;;
evbmips|sbmips)
arches="mipseb mipsel mips64eb mips64el"
;;
sgimips)
arches="mipseb mips64eb"
;;
evbsh3)
arches="sh3eb sh3el"
;;
macppc|evbppc)
arches="powerpc powerpc64"
;;
*)
oma="${MACHINE_ARCH}"
getarch
arches="${MACHINE_ARCH}"
MACHINE_ARCH="${oma}"
;;
esac
# Ensure that MACHINE_ARCH supports MACHINE
#
archok=false
for a in ${arches}; do
if [ "${a}" = "${MACHINE_ARCH}" ]; then
archok=true
break
fi
done
${archok} ||
bomb "MACHINE_ARCH '${MACHINE_ARCH}' does not support MACHINE '${MACHINE}'"
}
nobomb_getmakevar()
{
[ -x "${make}" ] || return 1
"${make}" -m ${TOP}/share/mk -s -B -f- _x_ <<EOF || return 1
_x_:
echo \${$1}
.include <bsd.prog.mk>
.include <bsd.kernobj.mk>
EOF
}
raw_getmakevar()
{
[ -x "${make}" ] || bomb "raw_getmakevar $1: ${make} is not executable"
nobomb_getmakevar "$1" || bomb "raw_getmakevar $1: ${make} failed"
}
getmakevar()
{
# raw_getmakevar() doesn't work properly if $make hasn't yet been
# built, which can happen when running with the "-n" option.
# getmakevar() deals with this by emitting a literal '$'
# followed by the variable name, instead of trying to find the
# variable's value.
#
if [ -x "${make}" ]; then
raw_getmakevar "$1"
else
echo "\$$1"
fi
}
setmakeenv()
{
eval "$1='$2'; export $1"
makeenv="${makeenv} $1"
}
unsetmakeenv()
{
eval "unset $1"
makeenv="${makeenv} $1"
}
# Convert possibly-relative path to absolute path by prepending
# ${TOP} if necessary. Also delete trailing "/", if any.
resolvepath()
{
case "${OPTARG}" in
/)
;;
/*)
OPTARG="${OPTARG%/}"
;;
*)
OPTARG="${TOP}/${OPTARG%/}"
;;
esac
}
usage()
{
if [ -n "$*" ]; then
echo ""
echo "${progname}: $*"
fi
cat <<_usage_
Usage: ${progname} [-EnorUux] [-a arch] [-B buildid] [-D dest] [-j njob]
[-M obj] [-m mach] [-N noisy] [-O obj] [-R release] [-T tools]
[-V var=[value]] [-w wrapper] [-X x11src] [-Z var]
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 performed.
obj Run "make obj". [Default unless -o is used]
tools Build and install tools.
install=idir Run "make installworld" to \`idir' to install all sets
except \`etc'. Useful after "distribution" or "release"
kernel=conf Build kernel with config file \`conf'
releasekernel=conf Install kernel built by kernel=conf to RELEASEDIR.
sets Create binary sets in RELEASEDIR/MACHINE/binary/sets.
DESTDIR should be populated beforehand.
sourcesets Create source sets in RELEASEDIR/source/sets.
syspkgs Create syspkgs in RELEASEDIR/MACHINE/binary/syspkgs.
iso-image Create CD-ROM image in RELEASEDIR/MACHINE/installation.
params Display various make(1) parameters.
Options:
-a arch Set MACHINE_ARCH to arch. [Default: deduced from MACHINE]
-B buildId Set BUILDID to buildId.
-D dest Set DESTDIR to dest. [Default: destdir.MACHINE]
-E Set "expert" mode; disables various safety checks.
Should not be used without expert knowledge of the build system.
-h Print this help message.
-j njob Run up to njob jobs in parallel; see make(1) -j.
-M obj Set obj root directory to obj; sets MAKEOBJDIRPREFIX.
Unsets MAKEOBJDIR.
-m mach Set MACHINE to mach; not required if NetBSD native.
-N noisy Set the noisyness (MAKEVERBOSE) level of the build:
0 Quiet
1 Operations are described, commands are suppressed
2 Full output
[Default: 2]
-n Show commands that would be executed, but do not execute them.
-O obj Set obj root directory to obj; sets a MAKEOBJDIR pattern.
Unsets MAKEOBJDIRPREFIX.
-o Set MKOBJDIRS=no; do not create objdirs at start of build.
-R release Set RELEASEDIR to release. [Default: releasedir]
-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 MKUNPRIVED=yes; build without requiring root privileges,
install from an UNPRIVED build with proper file permissions.
-u Set MKUPDATE=yes; do not run "make clean" first.
Without this, everything is rebuilt, including the tools.
-V v=[val] Set variable \`v' to \`val'.
-w wrapper Create ${toolprefix}make script as wrapper.
[Default: \${TOOLDIR}/bin/${toolprefix}make-\${MACHINE}]
-X x11src Set X11SRCDIR to x11src. [Default: /usr/xsrc]
-x Set MKX11=yes; build X11R6 from X11SRCDIR
-Z v Unset ("zap") variable \`v'.
_usage_
exit 1
}
parseoptions()
{
opts='a:B:bD:dEhi:j:k:M:m:N:nO:oR:rT:tUuV:w:xX:Z:'
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 ${optargcmd}; resolvepath
setmakeenv DESTDIR "${OPTARG}"
;;
-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 ${optargcmd}; resolvepath
makeobjdir="${OPTARG}"
unsetmakeenv MAKEOBJDIR
setmakeenv MAKEOBJDIRPREFIX "${OPTARG}"
;;
# -m overrides MACHINE_ARCH unless "-a" is specified
-m)
eval ${optargcmd}
MACHINE="${OPTARG}"
[ "${opt_a}" != "yes" ] && getarch
;;
-N)
eval ${optargcmd}
case "${OPTARG}" in
0|1|2)
setmakeenv MAKEVERBOSE "${OPTARG}"
;;
*)
usage "'${OPTARG}' is not a valid value for -N"
;;
esac
;;
-n)
runcmd=echo
;;
-O)
eval ${optargcmd}; resolvepath
makeobjdir="${OPTARG}"
unsetmakeenv MAKEOBJDIRPREFIX
setmakeenv MAKEOBJDIR "\${.CURDIR:C,^$TOP,$OPTARG,}"
;;
-o)
MKOBJDIRS=no
;;
-R)
eval ${optargcmd}; resolvepath
setmakeenv RELEASEDIR "${OPTARG}"
;;
-r)
do_removedirs=true
do_rebuildmake=true
;;
-T)
eval ${optargcmd}; resolvepath
TOOLDIR="${OPTARG}"
export TOOLDIR
;;
-t)
usage "'-t' has been replaced by 'tools'"
;;
-U)
setmakeenv MKUNPRIVED yes
;;
-u)
setmakeenv MKUPDATE yes
;;
-V)
eval ${optargcmd}
case "${OPTARG}" in
# XXX: consider restricting which variables can be changed?
[a-zA-Z_][a-zA-Z_0-9]*=*)
setmakeenv "${OPTARG%%=*}" "${OPTARG#*=}"
;;
*)
usage "-V argument must be of the form 'var=[value]'"
;;
esac
;;
-w)
eval ${optargcmd}; resolvepath
makewrapper="${OPTARG}"
;;
-X)
eval ${optargcmd}; resolvepath
setmakeenv X11SRCDIR "${OPTARG}"
;;
-x)
setmakeenv MKX11 yes
;;
-Z)
eval ${optargcmd}
# XXX: consider restricting which variables can be unset?
unsetmakeenv "${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|sourcesets|syspkgs|params)
;;
iso-image)
op=iso_image # used as part of a variable name
;;
kernel=*|releasekernel=*)
arg=${op#*=}
op=${op%%=*}
[ -n "${arg}" ] ||
bomb "Must supply a kernel name with \`${op}=...'"
;;
install=*)
arg=${op#*=}
op=${op%%=*}
[ -n "${arg}" ] ||
bomb "Must supply a directory with \`install=...'"
;;
*)
usage "Unknown operation \`${op}'"
;;
esac
eval do_${op}=true
done
[ -n "${operations}" ] || usage "Missing operation to perform."
# Set up MACHINE*. On a NetBSD host, these are allowed to be unset.
#
if [ -z "${MACHINE}" ]; then
[ "${uname_s}" = "NetBSD" ] ||
bomb "MACHINE must be set, or -m must be used, for cross builds."
MACHINE=${uname_m}
fi
[ -n "${MACHINE_ARCH}" ] || getarch
validatearch
# Set up default make(1) environment.
#
makeenv="${makeenv} TOOLDIR MACHINE MACHINE_ARCH MAKEFLAGS"
[ -z "${BUILDID}" ] || makeenv="${makeenv} BUILDID"
MAKEFLAGS="-de -m ${TOP}/share/mk ${MAKEFLAGS} MKOBJDIRS=${MKOBJDIRS-yes}"
export MAKEFLAGS MACHINE MACHINE_ARCH
}
sanitycheck()
{
# If the PATH contains any non-absolute components (including,
# but not limited to, "." or ""), then complain. As an exception,
# allow "" or "." as the last component of the PATH. This is fatal
# if expert mode is not in effect.
#
local path="${PATH}"
path="${path%:}" # delete trailing ":"
path="${path%:.}" # delete trailing ":."
case ":${path}:/" in
*:[!/]*)
if ${do_expertmode}; then
warning "PATH contains non-absolute components"
else
bomb "PATH environment variable must not" \
"contain non-absolute components"
fi
;;
esac
}
# Try to set a value for TOOLDIR. This is difficult because of a cyclic
# dependency: TOOLDIR may be affected by settings in /etc/mk.conf, so
# we would like to use getmakevar to get the value of TOOLDIR, but we
# can't use getmakevar before we have an up to date version of nbmake;
# we might already have an up to date version of nbmake in TOOLDIR, but
# we don't yet know where TOOLDIR is.
#
# In principle, we could break the cycle by building a copy of nbmake
# in a temporary directory. However, people who use the default value
# of TOOLDIR do not like to have nbmake rebuilt every time they run
# build.sh.
#
# We try to please everybody as follows:
#
# * If TOOLDIR was set in the environment or on the command line, use
# that value.
# * Otherwise try to guess what TOOLDIR would be if not overridden by
# /etc/mk.conf, and check whether the resulting directory contains
# a copy of ${toolprefix}make (this should work for everybody who
# doesn't override TOOLDIR via /etc/mk.conf);
# * Failing that, search for ${toolprefix}make, nbmake, bmake, or make,
# in the PATH (this might accidentally find a non-NetBSD version of
# make, which will lead to failure in the next step);
# * If a copy of make was found above, try to use it with
# nobomb_getmakevar to find the correct value for TOOLDIR;
# * If all else fails, leave TOOLDIR unset. Our caller is expected to
# be able to cope with this.
#
try_set_TOOLDIR()
{
[ -n "${TOOLDIR}" ] && return
# Set guess_TOOLDIR, in the same way that <bsd.own.mk> would set
# TOOLDIR if /etc/mk.conf sisn't interfere.
local topobjdir="${TOP}"
[ -n "${makeobjdir}" ] && topobjdir="${topobjdir}/${makeobjdir}"
local host_ostype="${uname_s}-$(
echo "${uname_r}" | sed -e 's/([^)]*)//g' -e 's/ /_/g'
)$(
echo "${uname_p}" | sed -e 's/([^)]*)//g' -e 's/ /_/g'
)"
local guess_TOOLDIR="${topobjdir}/tooldir.${host_ostype}"
# Look for a suitable ${toolprefix}make, nbmake, bmake, or make.
guess_make="${guess_TOOLDIR}/bin/${toolprefix}make"
[ -x "${guess_make}" ] || guess_make=""
: ${guess_make:=$(find_in_PATH ${toolprefix}make '')}
: ${guess_make:=$(find_in_PATH nbmake '')}
: ${guess_make:=$(find_in_PATH bmake '')}
: ${guess_make:=$(find_in_PATH make '')}
# Use ${guess_make} with nobomb_getmakevar
if [ -x "${guess_make}" ]; then
TOOLDIR=$(make="${guess_make}" nobomb_getmakevar TOOLDIR)
[ -n "${TOOLDIR}" ] || unset TOOLDIR
fi
}
rebuildmake()
{
# Test make source file timestamps against installed ${toolprefix}make
# binary, if TOOLDIR is pre-set or if try_set_TOOLDIR can set it.
#
try_set_TOOLDIR
make="${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
statusmsg "${make} outdated (older than ${f}), needs building."
do_rebuildmake=true
break
fi
done
else
statusmsg "No ${make}, needs building."
do_rebuildmake=true
fi
# Build bootstrap ${toolprefix}make if needed.
if ${do_rebuildmake}; then
statusmsg "Bootstrapping ${toolprefix}make"
${runcmd} cd "${tmpdir}"
${runcmd} env CC="${HOST_CC-cc}" CPPFLAGS="${HOST_CPPFLAGS}" \
CFLAGS="${HOST_CFLAGS--O}" LDFLAGS="${HOST_LDFLAGS}" \
${HOST_SH} "${TOP}/tools/make/configure" ||
bomb "Configure of ${toolprefix}make failed"
${runcmd} ${HOST_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=$(raw_getmakevar TOOLCHAIN_MISSING)
EXTERNAL_TOOLCHAIN=$(raw_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=<path to toolchain root>"
${runcmd} echo "in either the environment or mk.conf and rerun"
${runcmd} echo " ${progname} $*"
exit 1
fi
# Normalise MKOBJDIRS, MKUNPRIVED, and MKUPDATE
# These may be set as build.sh options or in "mk.conf".
# Don't export them as they're only used for tests in build.sh.
#
MKOBJDIRS=$(getmakevar MKOBJDIRS)
MKUNPRIVED=$(getmakevar MKUNPRIVED)
MKUPDATE=$(getmakevar MKUPDATE)
if [ "${MKOBJDIRS}" != "no" ]; then
# If setting -M or -O to the root of an obj dir, make sure
# the base directory is made before continuing as <bsd.own.mk>
# will need this to pick up _SRC_TOP_OBJ_
#
if [ ! -z "${makeobjdir}" ]; then
${runcmd} mkdir -p "${makeobjdir}"
fi
# make obj in tools to ensure that the objdir for the top-level
# of the source tree and for "tools" is available, in case the
# default TOOLDIR setting from <bsd.own.mk> is used, or the
# build.sh default DESTDIR and RELEASEDIR is to be used.
#
${runcmd} cd tools
${runcmd} "${make}" -m ${TOP}/share/mk obj NOSUBDIR= ||
bomb "Failed to make obj in tools"
${runcmd} cd "${TOP}"
fi
# Find TOOLDIR, DESTDIR, and RELEASEDIR.
#
TOOLDIR=$(getmakevar TOOLDIR)
statusmsg "TOOLDIR path: ${TOOLDIR}"
DESTDIR=$(getmakevar DESTDIR)
RELEASEDIR=$(getmakevar RELEASEDIR)
if ! $do_expertmode; then
_SRC_TOP_OBJ_=$(getmakevar _SRC_TOP_OBJ_)
: ${DESTDIR:=${_SRC_TOP_OBJ_}/destdir.${MACHINE}}
: ${RELEASEDIR:=${_SRC_TOP_OBJ_}/releasedir}
makeenv="${makeenv} DESTDIR RELEASEDIR"
fi
export TOOLDIR DESTDIR RELEASEDIR
statusmsg "DESTDIR path: ${DESTDIR}"
statusmsg "RELEASEDIR path: ${RELEASEDIR}"
# Check validity of TOOLDIR and DESTDIR.
#
if [ -z "${TOOLDIR}" ] || [ "${TOOLDIR}" = "/" ]; then
bomb "TOOLDIR '${TOOLDIR}' invalid"
fi