#!/bin/sh

#
# Yoink
# Execute this file to configure the build system.
#

die () {
	while read line; do echo $line; done && exit ${1:-127}
}

[ -f build/config.lua ] || die 1 <<"END"
You must first `cd' to the project directory root where the Makefile is.
There is no support for out-of-source-tree builds.
END

LUA=${LUA:-lua}
"$LUA" -v >/dev/null 2>&1 || die 2 <<END
Can't find a Lua interpreter in your PATH.  Make sure Lua is installed, or
set the LUA variable in the environment to the path of lua.
END

unset MAKEFLAGS
echo "$@" | grep -w -e --interactive >/dev/null && \
	! (cd build && ${MAKE:-make} dialog) && die 3 <<END
The dialog module cannot be built and so the configure script cannot be
used interactively.  Run the configure script non-interactively.
END

export PATH="./build:$PATH"
exec "$LUA" build/config.lua "$@" -L./build