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# -*- Mode: m4; indent-tabs-mode: nil; tab-width: 2 -*-
#
# Copyright (C) 2008, 2009 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
# serial 4
# Check whether the Vala compiler exists in `PATH'. If it is found, the
# variable VALAC is set. Optionally a minimum release number of the
# compiler can be requested.
#
# UG_PROG_VALAC([MINIMUM-VERSION])
# --------------------------------
AC_DEFUN([UG_PROG_VALAC],
[AC_PATH_PROGS([VALAC], $1, [])
AS_IF([test -z "$VALAC"],
[AC_MSG_ERROR([No Vala compiler found.])],
[AS_IF([test -n "$2"],
[AC_MSG_CHECKING([$VALAC is at least version $2])
am__vala_version=`$VALAC --version | sed 's/Vala *//'`
AS_VERSION_COMPARE([$2], ["$am__vala_version"],
[AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])
AC_MSG_ERROR([Vala $2 not found.])])])])
])
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