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#!/bin/sh
# file : bootstrap.sh
# copyright : Copyright (c) 2014-2016 Code Synthesis Ltd
# license : MIT; see accompanying LICENSE file
usage="Usage: $0 [--help] [--cxx <compiler>] [--cxxflags <flags>] [<host>]"
cxx=g++
cxxflags=
libbutl=
host=
while test $# -ne 0; do
case $1 in
--help)
echo "$usage" 1>&2
echo "See the INSTALL file for details." 1>&2
exit 0
;;
--cxx)
shift
if test $# -eq 0; then
echo "error: c++ compiler executable expected after --cxx" 1>&2
echo "$usage" 1>&2
exit 1
fi
cxx=$1
shift
;;
--cxxflags)
shift
if test $# -eq 0; then
echo "error: c++ compiler flags expected after --cxxflags" 1>&2
echo "$usage" 1>&2
exit 1
fi
cxxflags=$1
shift
;;
--libbutl)
shift
if test $# -eq 0; then
echo "error: libbutl path expected after --libbutl" 1>&2
echo "$usage" 1>&2
exit 1
fi
if test ! -d "$1"; then
echo "error: libbutl directory '$1' does not exist" 1>&2
exit 1
fi
libbutl=$1
shift
;;
*)
host=$1
shift
;;
esac
done
if test -z "$host"; then
if ! host=`./config.guess`; then
echo "error: unable to guess host triplet" 1>&2
exit 1
fi
else
if ! chost=`./config.sub $host`; then
echo "error: unable to canonicalize host triplet '$host'" 1>&2
exit 1
fi
host=$chost
fi
echo "using $host as build2 host" 1>&2
# See if there is libbutl or libbutl-* in the current directory and
# one directory up.
#
if test -z "$libbutl"; then
if test -d libbutl; then
libbutl=libbutl
else
libbutl=`echo libbutl-*/`
if test ! -d "$libbutl"; then
libbutl=
fi
fi
fi
if test -z "$libbutl"; then
if test -d ../libbutl; then
libbutl=../libbutl
else
libbutl=`echo ../libbutl-*/`
if test ! -d "$libbutl"; then
libbutl=
fi
fi
fi
if test -z "$libbutl"; then
echo "error: unable to find libbutl, use --libbutl to specify its location" 1>&2
exit 1
fi
cppflags='-DBUILD2_HOST_TRIPLET="'$host'"'
src="build2/*.cxx"
src="$src build2/config/*.cxx"
src="$src build2/dist/*.cxx"
src="$src build2/bin/*.cxx"
src="$src build2/c/*.cxx"
src="$src build2/cc/*.cxx"
src="$src build2/cxx/*.cxx"
src="$src build2/cli/*.cxx"
src="$src build2/test/*.cxx"
src="$src build2/install/*.cxx"
src="$src $libbutl/butl/*.cxx"
echo $cxx -std=c++1y -I$libbutl -I. $cppflags $cxxflags -o build2/b-boot $src 1>&2
exec $cxx -std=c++1y -I$libbutl -I. $cppflags $cxxflags -o build2/b-boot $src
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