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# ===========================================================================
# https://www.gnu.org/software/autoconf-archive/ax_prog_scala.html
# ===========================================================================
#
# SYNOPSIS
#
# AX_PROG_SCALA
#
# DESCRIPTION
#
# AX_PROG_SCALA will check that scala is available. If it is SCALA will be
# set to its path and SCALA_VERSION will be set to its version.
#
# Hint: AX_COMPARE_VERSION can be used to check if SCALA_VERSION has an
# acceptable value.
#
# LICENSE
#
# Copyright (c) 2013 Sveinung Kvilhaugsvik <sveinung84@users.sourceforge.net>
#
# Copying and distribution of this file, with or without modification, are
# permitted in any medium without royalty provided the copyright notice
# and this notice are preserved. This file is offered as-is, without any
# warranty.
#serial 2
AC_ARG_VAR(SCALA, [scala runner])
AC_DEFUN([AX_PROG_SCALA], [
AC_CHECK_PROGS(SCALA, [scala])
AS_IF([test x"$SCALA" != x], [
AC_SUBST(SCALA_VERSION, `"$SCALA" -e "println(util.Properties.versionString.split(\" \")(1))"`)
AC_MSG_NOTICE([Scala version $SCALA_VERSION found])
], AC_MSG_WARN([Scala not found]))])
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