## Autoconf macros for working with Guile.
##
-## Copyright (C) 1998,2001, 2006, 2010, 2012 Free Software Foundation, Inc.
+## Copyright (C) 1998,2001, 2006, 2010, 2012, 2013, 2014 Free Software Foundation, Inc.
##
## This library is free software; you can redistribute it and/or
## modify it under the terms of the GNU Lesser General Public License
## as published by the Free Software Foundation; either version 3 of
## the License, or (at your option) any later version.
-##
+##
## This library is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
## Lesser General Public License for more details.
-##
+##
## You should have received a copy of the GNU Lesser General Public
## License along with this library; if not, write to the Free Software
## Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
GUILE_EFFECTIVE_VERSION=""
_guile_errors=""
for v in $_guile_versions_to_search; do
- AC_MSG_NOTICE([checking for guile $v])
if test -z "$GUILE_EFFECTIVE_VERSION"; then
+ AC_MSG_NOTICE([checking for guile $v])
PKG_CHECK_EXISTS([guile-$v], [GUILE_EFFECTIVE_VERSION=$v], [])
fi
done
to adjust your PKG_CONFIG_PATH; see the pkg-config man page for more.
])
fi
- AC_MSG_NOTICE([found guile $v])
+ AC_MSG_NOTICE([found guile $GUILE_EFFECTIVE_VERSION])
AC_SUBST([GUILE_EFFECTIVE_VERSION])
])
# GUILE_PROGS -- set paths to Guile interpreter, config and tool programs
#
-# Usage: GUILE_PROGS
+# Usage: GUILE_PROGS([VERSION])
#
# This macro looks for programs @code{guile} and @code{guild}, setting
# variables @var{GUILE} and @var{GUILD} to their paths, respectively.
# If @code{guile} is not found, signal an error.
#
+# By default, this macro will search for the latest stable version of
+# Guile (e.g. 2.0). x.y or x.y.z versions can be specified. If an older
+# version is found, the macro will signal an error.
+#
# The effective version of the found @code{guile} is set to
# @var{GUILE_EFFECTIVE_VERSION}. This macro ensures that the effective
# version is compatible with the result of a previous invocation of
#
AC_DEFUN([GUILE_PROGS],
[AC_PATH_PROG(GUILE,guile)
+ _guile_required_version="m4_default([$1], [$GUILE_EFFECTIVE_VERSION])"
+ if test -z "$_guile_required_version"; then
+ _guile_required_version=2.0
+ fi
if test "$GUILE" = "" ; then
AC_MSG_ERROR([guile required but not found])
fi
AC_SUBST(GUILE)
- _guile_prog_version=`$GUILE -c "(display (effective-version))"`
+ _guile_effective_version=`$GUILE -c "(display (effective-version))"`
if test -z "$GUILE_EFFECTIVE_VERSION"; then
- GUILE_EFFECTIVE_VERSION=$_guile_prog_version
- elif test "$GUILE_EFFECTIVE_VERSION" != "$_guile_prog_version"; then
- AC_MSG_ERROR([found development files for Guile $GUILE_EFFECTIVE_VERSION, but $GUILE has effective version $_guile_prog_version])
+ GUILE_EFFECTIVE_VERSION=$_guile_effective_version
+ elif test "$GUILE_EFFECTIVE_VERSION" != "$_guile_effective_version"; then
+ AC_MSG_ERROR([found development files for Guile $GUILE_EFFECTIVE_VERSION, but $GUILE has effective version $_guile_effective_version])
+ fi
+
+ _guile_major_version=`$GUILE -c "(display (major-version))"`
+ _guile_minor_version=`$GUILE -c "(display (minor-version))"`
+ _guile_micro_version=`$GUILE -c "(display (micro-version))"`
+ _guile_prog_version="$_guile_major_version.$_guile_minor_version.$_guile_micro_version"
+
+ AC_MSG_CHECKING([for Guile version >= $_guile_required_version])
+ _major_version=`echo $_guile_required_version | cut -d . -f 1`
+ _minor_version=`echo $_guile_required_version | cut -d . -f 2`
+ _micro_version=`echo $_guile_required_version | cut -d . -f 3`
+ if test "$_guile_major_version" -ge "$_major_version"; then
+ if test "$_guile_minor_version" -ge "$_minor_version"; then
+ if test -n "$_micro_version"; then
+ if test "$_guile_micro_version" -lt "$_micro_version"; then
+ AC_MSG_ERROR([Guile $_guile_required_version required, but $_guile_prog_version found])
+ fi
+ fi
+ elif test "$GUILE_EFFECTIVE_VERSION" = "$_major_version.$_minor_version" -a -z "$_micro_version"; then
+ # Allow prereleases that have the right effective version.
+ true
+ else
+ as_fn_error $? "Guile $_guile_required_version required, but $_guile_prog_version found" "$LINENO" 5
+ fi
+ else
+ AC_MSG_ERROR([Guile $_guile_required_version required, but $_guile_prog_version found])
fi
+ AC_MSG_RESULT([$_guile_prog_version])
AC_PATH_PROG(GUILD,guild)
AC_SUBST(GUILD)