e2eeea75eb
o allow env var MAKE_OBJDIR_CHECK_WRITABLE=no to skip writable checks in InitObjdir. Explicit .OBJDIR target always allows read-only directory. o More code cleanup and refactoring. o More unit tests MFC after: 1 week
488 lines
11 KiB
Plaintext
Executable File
488 lines
11 KiB
Plaintext
Executable File
:
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# NAME:
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# boot-strap
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#
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# SYNOPSIS:
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# boot-strap ["options"]
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# boot-strap --prefix=/opt --install
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# boot-strap --prefix=$HOME --install-host-target -DWITH_PROG_VERSION
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# boot-strap ["options"] op=build
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# boot-strap ["options"] op=install
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#
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# DESCRIPTION:
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# This script is used to configure/build bmake it builds for
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# each host-target in a different subdir to keep the src clean.
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# There is no requirement for an existing make(1).
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#
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# On successful completion if no '--install' flag is given,
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# it echos a command to do installation.
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#
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# The variable "op" defaults to 'all', and is affected by
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# '--install' flag as above.
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# Other values include:
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#
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# configure
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# Just run 'configure'
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#
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# build
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# If 'configure' has not been done, do it, then
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# run the build script, and finally 'test'.
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#
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# install
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# If 'build' has not been done, do it, 'test' then
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# install.
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#
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# clean
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# attempt to clean up
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#
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# test
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# run the unit-tests. Done automatically after 'build'
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# and before 'install'.
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#
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# The above are leveraged by a trivial makefile for the benefit
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# of those that have './configure; make; make install' baked
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# into them.
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#
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# Options:
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#
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# -c "rc"
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# Pick up settings from "rc".
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# We look for '.bmake-boot-strap.rc' before processing
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# options (unless SKIP_RC is set in environment).
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#
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# --share "share_dir"
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# Where to put man pages and mk files.
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# If $prefix ends in $HOST_TARGET, and $prefix/../share
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# exits, the default will be that rather than $prefix/share.
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#
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# --mksrc "mksrc"
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# Indicate where the mk files can be found.
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# Default is $Mydir/mk
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#
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# --install
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# If build and test work, run bmake install.
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# BINDIR=$prefix/bin
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# SHAREDIR=$prefix/share
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#
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# --install-host-target
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# As for '--install' but BINDIR=$prefix/$HOST_TARGET/bin
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# This is useful when $prefix/ is shared by multiple
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# machines.
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#
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# Flags relevant when installing:
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#
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# -DWITHOUT_INSTALL_MK
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# Skip installing mk files.
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# By default they will be installed to $prefix/share/mk
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#
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# -DWITH_PROG_VERSION
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# Install 'bmake' as 'bmake-$MAKE_VERSION'
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# A symlink will be made as 'bmake' unless
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# -DWITHOUT_PROG_LINK is set.
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#
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# Possibly useful configure_args:
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#
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# --without-meta
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# disable use of meta mode.
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#
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# --without-filemon
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# disable use of filemon(9) which is currently only
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# available for NetBSD and FreeBSD.
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#
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# --with-filemon=ktrace
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# on NetBSD or others with fktrace(2), use ktrace
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# version of filemon.
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#
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# --with-filemon="path/to/filemon.h"
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# enables use of filemon(9) by meta mode.
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#
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# --with-machine="machine"
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# set "machine" to override that determined by
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# machine.sh
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#
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# --with-force-machine="machine"
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# force "machine" even if uname(3) provides a value.
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#
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# --with-machine_arch="machine_arch"
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# set "machine_arch" to override that determined by
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# machine.sh
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#
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# --with-force_machine_arch="machine_arch"
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# force "machine_arch" to override that determined by
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# machine.sh
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#
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# --with-default-sys-path="syspath"
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# set an explicit default "syspath" which is where bmake
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# will look for sys.mk and friends.
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#
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# AUTHOR:
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# Simon J. Gerraty <sjg@crufty.net>
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# RCSid:
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# $Id: boot-strap,v 1.54 2020/11/13 21:47:25 sjg Exp $
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#
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# @(#) Copyright (c) 2001 Simon J. Gerraty
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#
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# This file is provided in the hope that it will
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# be of use. There is absolutely NO WARRANTY.
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# Permission to copy, redistribute or otherwise
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# use this file is hereby granted provided that
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# the above copyright notice and this notice are
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# left intact.
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#
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# Please send copies of changes and bug-fixes to:
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# sjg@crufty.net
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#
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Mydir=`dirname $0`
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. "$Mydir/os.sh"
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case "$Mydir" in
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/*) ;;
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*) Mydir=`cd "$Mydir" && 'pwd'`;;
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esac
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Usage() {
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[ "$1" ] && echo "ERROR: $@" >&2
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echo "Usage:" >&2
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echo "$0 [--<configure_arg> ...][<prefix>][--install]" >&2
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exit 1
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}
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Error() {
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echo "ERROR: $@" >&2
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exit 1
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}
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source_rc() {
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rc="$1"; shift
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for d in ${*:-""}
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do
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r="${d:+$d/}$rc"
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[ -f "$r" -a -s "$r" ] || continue
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echo "NOTE: reading $r"
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. "$r"
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break
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done
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}
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cmd_args="$@"
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# clear some things from the environment that we care about
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unset MAKEOBJDIR MAKEOBJDIRPREFIX
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# or that might be incompatible
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unset MAKE MAKEFLAGS
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# --install[-host-target] will set this
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INSTALL_PREFIX=
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# other things we pass to install step
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INSTALL_ARGS=
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CONFIGURE_ARGS=
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MAKESYSPATH=
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# pick a useful default prefix (for me at least ;-)
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for prefix in /opt/$HOST_TARGET "$HOME/$HOST_TARGET" /usr/pkg /usr/local ""
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do
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[ -d "${prefix:-.}" ] || continue
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case "$prefix" in
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*/$HOST_TARGET)
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p=`dirname $prefix`
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if [ -d $p/share ]; then
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INSTALL_BIN=$HOST_TARGET/bin
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prefix=$p
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fi
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;;
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esac
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echo "NOTE: default prefix=$prefix ${INSTALL_BIN:+INSTALL_BIN=$INSTALL_BIN}"
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break
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done
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srcdir=$Mydir
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mksrc=$Mydir/mk
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objdir=
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quiet=:
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${SKIP_RC:+:} source_rc .bmake-boot-strap.rc . "$Mydir/.." "$HOME"
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get_optarg() {
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expr "x$1" : "x[^=]*=\\(.*\\)"
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}
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here=`'pwd'`
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if [ $here = $Mydir ]; then
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# avoid pollution
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OBJROOT=../
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fi
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op=all
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BMAKE=
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while :
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do
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case "$1" in
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--) shift; break;;
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--help) sed -n -e "1d;/RCSid/,\$d" -e '/^#\.[a-z]/d' -e '/^#/s,^# *,,p' $0; exit 0;;
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--prefix) prefix="$2"; shift;;
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--prefix=*) prefix=`get_optarg "$1"`;;
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--src=*) srcdir=`get_optarg "$1"`;;
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--with-mksrc=*|--mksrc=*) mksrc=`get_optarg "$1"`;;
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--share=*) share_dir=`get_optarg "$1"`;;
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--share) share_dir="$2"; shift;;
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--with-default-sys-path=*)
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CONFIGURE_ARGS="$1";;
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--with-default-sys-path)
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CONFIGURE_ARGS="$1 $2";;
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--install) INSTALL_PREFIX=${INSTALL_PREFIX:-$prefix};;
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--install-host-target)
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INSTALL_PREFIX=${INSTALL_PREFIX:-$prefix}
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INSTALL_BIN=$HOST_TARGET/bin;;
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--install-destdir=*) INSTALL_DESTDIR=`get_optarg "$1"`;;
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--install-prefix=*) INSTALL_PREFIX=`get_optarg "$1"`;;
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-DWITH*) INSTALL_ARGS="$INSTALL_ARGS $1";;
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-s|--src) srcdir="$2"; shift;;
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-m|--mksrc) mksrc="$2"; shift;;
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-o|--objdir) objdir="$2"; shift;;
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-q) quiet=;;
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-c) source_rc "$2"; shift;;
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--*) CONFIGURE_ARGS="$CONFIGURE_ARGS $1";;
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*=*) eval "$1"; export `expr "x$1" : "x\\(.[^=]*\\)=.*"`;;
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*) break;;
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esac
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shift
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done
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AddConfigure() {
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case " $CONFIGURE_ARGS " in
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*" $1"*) ;;
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*) CONFIGURE_ARGS="$CONFIGURE_ARGS $1$2";;
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esac
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}
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GetDir() {
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match="$1"
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shift
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fmatch="$1"
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shift
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for dir in $*
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do
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[ -d "$dir" ] || continue
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case "/$dir/" in
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*$match*) ;;
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*) continue;;
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esac
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case "$fmatch" in
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.) ;;
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*) [ -s $dir/$fmatch ] || continue;;
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esac
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case "$dir/" in
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*./*) cd "$dir" && 'pwd';;
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/*) echo $dir;;
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*) cd "$dir" && 'pwd';;
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esac
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break
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done
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}
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FindHereOrAbove() {
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(
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_t=-s
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while :
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do
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case "$1" in
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-C) cd "$2"; shift; shift;;
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-?) _t=$1; shift;;
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*) break;;
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esac
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done
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case "$1" in
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/*) # we shouldn't be here
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[ $_t "$1" ] && echo "$1"
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return
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;;
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.../*) want=`echo "$1" | sed 's,^.../*,,'`;;
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*) want="$1";;
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esac
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here=`'pwd'`
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while :
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do
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if [ $_t "./$want" ]; then
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echo "$here/$want"
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return
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fi
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cd ..
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here=`'pwd'`
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case "$here" in
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/) return;;
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esac
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done
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)
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}
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# is $1 missing from $2 (or PATH) ?
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no_path() {
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eval "__p=\$${2:-PATH}"
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case ":$__p:" in *:"$1":*) return 1;; *) return 0;; esac
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}
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# if $1 exists and is not in path, append it
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add_path () {
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case "$1" in
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-?) t=$1; shift;;
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*) t=-d;;
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esac
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case "$2,$1" in
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MAKESYSPATH,.../*) ;;
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*) [ $t ${1:-.} ] || return;;
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esac
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no_path $* && eval ${2:-PATH}="$__p${__p:+:}$1"
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}
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srcdir=`GetDir /bmake make-bootstrap.sh.in "$srcdir" "$2" "$Mydir" ./bmake* "$Mydir"/../bmake*`
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[ -d "${srcdir:-/dev/null}" ] || Usage
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case "$mksrc" in
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none|-) # we ignore this now
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mksrc=$Mydir/mk
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;;
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.../*) # find here or above
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mksrc=`FindHereOrAbove -C "$Mydir" -s "$mksrc/sys.mk"`
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# that found a file
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mksrc=`dirname $mksrc`
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;;
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*) # guess we want mksrc...
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mksrc=`GetDir /mk sys.mk "$mksrc" "$3" ./mk* "$srcdir"/mk* "$srcdir"/../mk*`
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[ -d "${mksrc:-/dev/null}" ] || Usage "Use '-m none' to build without mksrc"
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;;
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esac
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# Ok, get to work...
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objdir="${objdir:-$OBJROOT$HOST_TARGET}"
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[ -d "$objdir" ] || mkdir -p "$objdir"
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[ -d "$objdir" ] || mkdir "$objdir"
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cd "$objdir" || exit 1
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# make it absolute
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objdir=`'pwd'`
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ShareDir() {
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case "/$1" in
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/) [ -d /share ] || return;;
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*/$HOST_TARGET)
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if [ -d "$1/../share" ]; then
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echo `dirname "$1"`/share
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return
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fi
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;;
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esac
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echo $1/share
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}
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# make it easy to force prefix to use $HOST_TARGET
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: looking at "$prefix"
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case "$prefix" in
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*/host?target) prefix=`echo "$prefix" | sed "s,host.target,${HOST_TARGET},"`;;
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esac
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share_dir="${share_dir:-`ShareDir $prefix`}"
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AddConfigure --prefix= "$prefix"
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case "$CONFIGURE_ARGS" in
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*--with-*-sys-path*) ;; # skip
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*) [ "$share_dir" ] && AddConfigure --with-default-sys-path= "$share_dir/mk";;
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esac
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if [ "$mksrc" ]; then
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AddConfigure --with-mksrc= "$mksrc"
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# not all cc's support this
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CFLAGS_MF= CFLAGS_MD=
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export CFLAGS_MF CFLAGS_MD
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fi
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# this makes it easy to run the bmake we just built
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# the :tA dance is needed because 'pwd' and even /bin/pwd
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# may not give the same result as realpath().
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Bmake() {
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(
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cd $Mydir &&
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MAKESYSPATH=$mksrc SRCTOP=$Mydir OBJTOP=$objdir \
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MAKEOBJDIR='${.CURDIR:S,${SRCTOP:tA},${OBJTOP:tA},}' \
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${BMAKE:-$objdir/bmake} -f $Mydir/Makefile "$@"
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)
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}
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# there is actually a shell where type is not a builtin
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# if type is missing, which(1) had better exists!
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if (type cat) > /dev/null 2>&1; then
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which() {
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type "$@" | sed 's,[()],,g;s,^[^/][^/]*,,;q'
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}
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fi
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# make sure test below uses the same diff that configure did
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TOOL_DIFF=`which diff`
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export TOOL_DIFF
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op_configure() {
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$srcdir/configure $CONFIGURE_ARGS || exit 1
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}
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op_build() {
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[ -s make-bootstrap.sh ] || op_configure
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chmod 755 make-bootstrap.sh || exit 1
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./make-bootstrap.sh || exit 1
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case "$op" in
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build) op_test;;
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esac
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}
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op_test() {
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[ -x bmake ] || op_build
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Bmake test || exit 1
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}
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op_clean() {
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if [ -x bmake ]; then
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ln bmake bmake$$
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BMAKE=$objdir/bmake$$ Bmake clean
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rm -f bmake$$
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elif [ $objdir != $srcdir ]; then
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rm -rf *
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fi
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}
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op_install() {
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op_test
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case "$INSTALL_PREFIX,$INSTALL_BIN,$prefix" in
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,$HOST_TARGET/bin,*/$HOST_TARGET)
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INSTALL_PREFIX=`dirname $prefix`
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;;
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esac
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INSTALL_PREFIX=${INSTALL_PREFIX:-$prefix}
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Bmake install prefix=$INSTALL_PREFIX BINDIR=$INSTALL_PREFIX/${INSTALL_BIN:-bin} ${INSTALL_DESTDIR:+DESTDIR=$INSTALL_DESTDIR} $INSTALL_ARGS || exit 1
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}
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op_all() {
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rm -f make-bootstrap.sh bmake *.o
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if [ -n "$INSTALL_PREFIX" ]; then
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op_install
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else
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op_test
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MAKE_VERSION=`sed -n '/^_MAKE_VERSION/ { s,.*= *,,;p; }' $srcdir/Makefile`
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cat << EOM
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You can install by running:
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$0 $cmd_args op=install
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Use --install-prefix=/something to install somewhere other than $prefix
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Use --install-destdir=/somewhere to set DESTDIR during install
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Use --install-host-target to use INSTALL_BIN=$HOST_TARGET/bin
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Use -DWITH_PROG_VERSION to install as bmake-$MAKE_VERSION
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Use -DWITHOUT_PROG_LINK to suppress bmake -> bmake-$MAKE_VERSION symlink
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Use -DWITHOUT_INSTALL_MK to skip installing files to $prefix/share/mk
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EOM
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fi
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cat << EOM
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Note: bmake.cat1 contains ANSI escape sequences.
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You may need the -r or -R option to more/less to view it correctly.
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EOM
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}
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op_$op
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exit 0
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