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:
# NAME:
# boot-strap
#
# SYNOPSIS:
# boot-strap ["options"]
# boot-strap --prefix=/opt --install
# boot-strap --prefix=$HOME --install-host-target -DWITH_PROG_VERSION
# boot-strap ["options"] op=build
# boot-strap ["options"] op=install
#
# DESCRIPTION:
# This script is used to configure/build bmake it builds for
# each host-target in a different subdir to keep the src clean.
# There is no requirement for an existing make(1).
#
# On successful completion if no '--install' flag is given,
# it echos a command to do installation.
#
# The variable "op" defaults to 'all', and is affected by
# '--install' flag as above.
# Other values include:
#
# configure
# Just run 'configure'
#
# build
# If 'configure' has not been done, do it, then
# run the build script, and finally 'test'.
#
# install
# If 'build' has not been done, do it, 'test' then
# install.
#
# clean
# attempt to clean up
#
# test
# run the unit-tests. Done automatically after 'build'
# and before 'install'.
#
# The above are leveraged by a trivial makefile for the benefit
# of those that have './configure; make; make install' baked
# into them.
#
# Options:
#
# -c "rc"
# Pick up settings from "rc".
# We look for '.bmake-boot-strap.rc' before processing
# options (unless SKIP_RC is set in environment).
#
# --share "share_dir"
# Where to put man pages and mk files.
# If $prefix ends in $HOST_TARGET, and $prefix/../share
# exits, the default will be that rather than $prefix/share.
#
# --mksrc "mksrc"
# Indicate where the mk files can be found.
# Default is $Mydir/mk
#
# --install
# If build and test work, run bmake install.
# BINDIR=$prefix/bin
# SHAREDIR=$prefix/share
#
# --install-host-target
# As for '--install' but BINDIR=$prefix/$HOST_TARGET/bin
# This is useful when $prefix/ is shared by multiple
# machines.
#
# Flags relevant when installing:
#
# -DWITHOUT_INSTALL_MK
# Skip installing mk files.
# By default they will be installed to $prefix/share/mk
#
# -DWITH_PROG_VERSION
# Install 'bmake' as 'bmake-$MAKE_VERSION'
# A symlink will be made as 'bmake' unless
# -DWITHOUT_PROG_LINK is set.
#
# Possibly useful configure_args:
#
# --without-meta
# disable use of meta mode.
#
# --without-filemon
# disable use of filemon(9) which is currently only
# available for NetBSD and FreeBSD.
#
# --with-filemon="path/to/filemon.h"
# enables use of filemon(9) by meta mode.
#
# --with-machine="machine"
# set "machine" to override that determined by
# machine.sh
#
# --with-force-machine="machine"
# force "machine" even if uname(3) provides a value.
#
# --with-machine_arch="machine_arch"
# set "machine_arch" to override that determined by
# machine.sh
#
# --with-default-sys-path="syspath"
# set an explicit default "syspath" which is where bmake
# will look for sys.mk and friends.
#
# AUTHOR:
# Simon J. Gerraty <sjg@crufty.net>
# RCSid:
# $Id: boot-strap,v 1.48 2015/10/25 05:20:48 sjg Exp $
#
# @(#) Copyright (c) 2001 Simon J. Gerraty
#
# This file is provided in the hope that it will
# be of use. There is absolutely NO WARRANTY.
# Permission to copy, redistribute or otherwise
# use this file is hereby granted provided that
# the above copyright notice and this notice are
# left intact.
#
# Please send copies of changes and bug-fixes to:
# sjg@crufty.net
#
Mydir=`dirname $0`
. "$Mydir/os.sh"
case "$Mydir" in
/*) ;;
*) Mydir=`cd "$Mydir" && 'pwd'`;;
esac
Usage() {
[ "$1" ] && echo "ERROR: $@" >&2
echo "Usage:" >&2
echo "$0 [--<configure_arg> ...][<prefix>][--install]" >&2
exit 1
}
Error() {
echo "ERROR: $@" >&2
exit 1
}
source_rc() {
rc="$1"; shift
for d in ${*:-""}
do
r="${d:+$d/}$rc"
[ -f "$r" -a -s "$r" ] || continue
echo "NOTE: reading $r"
. "$r"
break
done
}
cmd_args="$@"
# clear some things from the environment that we care about
unset MAKEOBJDIR MAKEOBJDIRPREFIX
# --install[-host-target] will set this
INSTALL_PREFIX=
# other things we pass to install step
INSTALL_ARGS=
CONFIGURE_ARGS=
MAKESYSPATH=
# pick a useful default prefix (for me at least ;-)
for prefix in /opt/$HOST_TARGET "$HOME/$HOST_TARGET" /usr/pkg /usr/local ""
do
[ -d "${prefix:-.}" ] || continue
case "$prefix" in
*/$HOST_TARGET)
p=`dirname $prefix`
if [ -d $p/share ]; then
INSTALL_BIN=$HOST_TARGET/bin
prefix=$p
fi
;;
esac
echo "NOTE: default prefix=$prefix ${INSTALL_BIN:+INSTALL_BIN=$INSTALL_BIN}"
break
done
srcdir=$Mydir
mksrc=$Mydir/mk
objdir=
quiet=:
${SKIP_RC:+:} source_rc .bmake-boot-strap.rc . "$Mydir/.." "$HOME"
get_optarg() {
expr "x$1" : "x[^=]*=\\(.*\\)"
}
here=`'pwd'`
if [ $here = $Mydir ]; then
# avoid pollution
OBJROOT=../
fi
op=all
BMAKE=
while :
do
case "$1" in
--) shift; break;;
--help) sed -n -e "1d;/RCSid/,\$d" -e '/^#\.[a-z]/d' -e '/^#/s,^# *,,p' $0; exit 0;;
--prefix) prefix="$2"; shift;;
--prefix=*) prefix=`get_optarg "$1"`;;
--src=*) srcdir=`get_optarg "$1"`;;
--with-mksrc=*|--mksrc=*) mksrc=`get_optarg "$1"`;;
--share=*) share_dir=`get_optarg "$1"`;;
--share) share_dir="$2"; shift;;
--with-default-sys-path=*)
CONFIGURE_ARGS="$1";;
--with-default-sys-path)
CONFIGURE_ARGS="$1 $2";;
--install) INSTALL_PREFIX=${INSTALL_PREFIX:-$prefix};;
--install-host-target)
INSTALL_PREFIX=${INSTALL_PREFIX:-$prefix}
INSTALL_BIN=$HOST_TARGET/bin;;
--install-destdir=*) INSTALL_DESTDIR=`get_optarg "$1"`;;
--install-prefix=*) INSTALL_PREFIX=`get_optarg "$1"`;;
-DWITH*) INSTALL_ARGS="$INSTALL_ARGS $1";;
-s|--src) srcdir="$2"; shift;;
-m|--mksrc) mksrc="$2"; shift;;
-o|--objdir) objdir="$2"; shift;;
-q) quiet=;;
-c) source_rc "$2"; shift;;
--*) CONFIGURE_ARGS="$CONFIGURE_ARGS $1";;
*=*) eval "$1"; export `expr "x$1" : "x\\(.[^=]*\\)=.*"`;;
*) break;;
esac
shift
done
AddConfigure() {
case " $CONFIGURE_ARGS " in
*" $1"*) ;;
*) CONFIGURE_ARGS="$CONFIGURE_ARGS $1$2";;
esac
}
GetDir() {
match="$1"
shift
fmatch="$1"
shift
for dir in $*
do
[ -d "$dir" ] || continue
case "/$dir/" in
*$match*) ;;
*) continue;;
esac
case "$fmatch" in
.) ;;
*) [ -s $dir/$fmatch ] || continue;;
esac
case "$dir/" in
*./*) cd "$dir" && 'pwd';;
/*) echo $dir;;
*) cd "$dir" && 'pwd';;
esac
break
done
}
FindHereOrAbove() {
(
_t=-s
while :
do
case "$1" in
-C) cd "$2"; shift; shift;;
-?) _t=$1; shift;;
*) break;;
esac
done
case "$1" in
/*) # we shouldn't be here
[ $_t "$1" ] && echo "$1"
return
;;
.../*) want=`echo "$1" | sed 's,^.../*,,'`;;
*) want="$1";;
esac
here=`'pwd'`
while :
do
if [ $_t "./$want" ]; then
echo "$here/$want"
return
fi
cd ..
here=`'pwd'`
case "$here" in
/) return;;
esac
done
)
}
# is $1 missing from $2 (or PATH) ?
no_path() {
eval "__p=\$${2:-PATH}"
case ":$__p:" in *:"$1":*) return 1;; *) return 0;; esac
}
# if $1 exists and is not in path, append it
add_path () {
case "$1" in
-?) t=$1; shift;;
*) t=-d;;
esac
case "$2,$1" in
MAKESYSPATH,.../*) ;;
*) [ $t ${1:-.} ] || return;;
esac
no_path $* && eval ${2:-PATH}="$__p${__p:+:}$1"
}
srcdir=`GetDir /bmake make-bootstrap.sh.in "$srcdir" "$2" "$Mydir" ./bmake* "$Mydir"/../bmake*`
[ -d "${srcdir:-/dev/null}" ] || Usage
case "$mksrc" in
none|-) # we ignore this now
mksrc=$Mydir/mk
;;
.../*) # find here or above
mksrc=`FindHereOrAbove -C "$Mydir" -s "$mksrc/sys.mk"`
# that found a file
mksrc=`dirname $mksrc`
;;
*) # guess we want mksrc...
mksrc=`GetDir /mk sys.mk "$mksrc" "$3" ./mk* "$srcdir"/mk* "$srcdir"/../mk*`
[ -d "${mksrc:-/dev/null}" ] || Usage "Use '-m none' to build without mksrc"
;;
esac
# Ok, get to work...
objdir="${objdir:-$OBJROOT$HOST_TARGET}"
[ -d "$objdir" ] || mkdir -p "$objdir"
[ -d "$objdir" ] || mkdir "$objdir"
cd "$objdir" || exit 1
# make it absolute
objdir=`'pwd'`
ShareDir() {
case "/$1" in
/) [ -d /share ] || return;;
*/$HOST_TARGET)
if [ -d "$1/../share" ]; then
echo `dirname "$1"`/share
return
fi
;;
esac
echo $1/share
}
# make it easy to force prefix to use $HOST_TARGET
: looking at "$prefix"
case "$prefix" in
*/host?target) prefix=`echo "$prefix" | sed "s,host.target,${HOST_TARGET},"`;;
esac
share_dir="${share_dir:-`ShareDir $prefix`}"
AddConfigure --prefix= "$prefix"
case "$CONFIGURE_ARGS" in
*--with-*-sys-path*) ;; # skip
*) [ "$share_dir" ] && AddConfigure --with-default-sys-path= "$share_dir/mk";;
esac
if [ "$mksrc" ]; then
AddConfigure --with-mksrc= "$mksrc"
# not all cc's support this
CFLAGS_MF= CFLAGS_MD=
export CFLAGS_MF CFLAGS_MD
fi
# this makes it easy to run the bmake we just built
# the :tA dance is needed because 'pwd' and even /bin/pwd
# may not give the same result as realpath().
Bmake() {
(
cd $Mydir &&
MAKESYSPATH=$mksrc SRCTOP=$Mydir OBJTOP=$objdir \
MAKEOBJDIR='${.CURDIR:S,${SRCTOP:tA},${OBJTOP:tA},}' \
${BMAKE:-$objdir/bmake} -f $Mydir/Makefile "$@"
)
}
# there is actually a shell where type is not a builtin
# if type is missing, which(1) had better exists!
if (type cat) > /dev/null 2>&1; then
which() {
type "$@" | sed 's,[()],,g;s,^[^/][^/]*,,;q'
}
fi
# make sure test below uses the same diff that configure did
TOOL_DIFF=`which diff`
export TOOL_DIFF
op_configure() {
$srcdir/configure $CONFIGURE_ARGS || exit 1
}
op_build() {
[ -s make-bootstrap.sh ] || op_configure
chmod 755 make-bootstrap.sh || exit 1
./make-bootstrap.sh || exit 1
case "$op" in
build) op_test;;
esac
}
op_test() {
[ -x bmake ] || op_build
Bmake test || exit 1
}
op_clean() {
if [ -x bmake ]; then
ln bmake bmake$$
BMAKE=$objdir/bmake$$ Bmake clean
rm -f bmake$$
elif [ $objdir != $srcdir ]; then
rm -rf *
fi
}
op_install() {
op_test
case "$INSTALL_PREFIX,$INSTALL_BIN,$prefix" in
,$HOST_TARGET/bin,*/$HOST_TARGET)
INSTALL_PREFIX=`dirname $prefix`
;;
esac
INSTALL_PREFIX=${INSTALL_PREFIX:-$prefix}
Bmake install prefix=$INSTALL_PREFIX BINDIR=$INSTALL_PREFIX/${INSTALL_BIN:-bin} ${INSTALL_DESTDIR:+DESTDIR=$INSTALL_DESTDIR} $INSTALL_ARGS || exit 1
}
op_all() {
rm -f make-bootstrap.sh bmake *.o
if [ -n "$INSTALL_PREFIX" ]; then
op_install
else
op_test
MAKE_VERSION=`sed -n '/^MAKE_VERSION/ { s,.*= *,,;p; }' $srcdir/Makefile`
echo You can install by running:
echo
echo $0 $cmd_args op=install
echo
echo "Use --install-prefix=/something to install somewhere other than $prefix"
echo "Use --install-destdir=/somewhere to set DESTDIR during install"
echo "Use --install-host-target to use INSTALL_BIN=$HOST_TARGET/bin"
echo "Use -DWITH_PROG_VERSION to install as bmake-$MAKE_VERSION"
echo "Use -DWITHOUT_PROG_LINK to suppress bmake -> bmake-$MAKE_VERSION symlink"
echo "Use -DWITHOUT_INSTALL_MK to skip installing files to $prefix/share/mk"
fi
}
op_$op
exit 0
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