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- # ===========================================================================
- # https://www.gnu.org/software/autoconf-archive/ax_prog_scalac.html
- # ===========================================================================
- #
- # SYNOPSIS
- #
- # AX_PROG_SCALAC
- #
- # DESCRIPTION
- #
- # AX_PROG_SCALAC will check that a scala compiler is available, that it
- # works and set SCALAC for the Makefile.
- #
- # AX_PROG_SCALAC will search the path for a Scala compiler. To choose
- # another compiler use the environment variable SCALAC.
- #
- # 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(SCALAC, [scala compiler])
-
- AC_DEFUN([AX_PROG_SCALAC], [
- AC_CHECK_PROGS(SCALAC, [scalac])
- AS_IF([test x"$SCALAC" != x], [
- AC_CACHE_VAL(ax_cv_scalac_works, [
- AC_MSG_CHECKING([if the Scala compiler works])
-
- TESTFILE=conftest.scala
- echo ["object conftest {"] > $TESTFILE
- echo [" def main(args: Array[String]): Unit = return"] >> $TESTFILE
- echo ["}"] >> $TESTFILE
-
- [$SCALAC $TESTFILE && ax_cv_scalac_works=yes || ax_cv_scalac_works=no]
- AC_MSG_RESULT($ax_cv_scalac_works)
-
- AS_IF([test x"$ax_cv_scalac_works" != xyes], [
- AC_MSG_ERROR([Scala compiler does not work. Unable to compile $TESTFILE])
- ])
- ])
- ], AC_MSG_WARN([Scala compiler not found]))
- ])
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