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authorSergey Poznyakoff <gray@gnu.org.ua>2002-09-10 11:58:27 +0000
committerSergey Poznyakoff <gray@gnu.org.ua>2002-09-10 11:58:27 +0000
commite6fa2544a700458226d4484ceeda8d3e6d6e104e (patch)
tree3e7fb42cb2daf292bd69cda20e7e33df7f2f4e04 /m4
parentcd389fb8a477405be0a2d8ea2260ffc8d6eccdf7 (diff)
downloadmailutils-e6fa2544a700458226d4484ceeda8d3e6d6e104e.tar.gz
mailutils-e6fa2544a700458226d4484ceeda8d3e6d6e104e.tar.bz2
New file. Check for guile presence and usability. Determine its version.
Diffstat (limited to 'm4')
-rw-r--r--m4/guile.m4104
1 files changed, 104 insertions, 0 deletions
diff --git a/m4/guile.m4 b/m4/guile.m4
new file mode 100644
index 000000000..9354d0fa4
--- /dev/null
+++ b/m4/guile.m4
@@ -0,0 +1,104 @@
+dnl This file is part of GNU mailutils.
+dnl Copyright (C) 2001 Free Software Foundation, Inc.
+dnl
+dnl This program is free software; you can redistribute it and/or modify
+dnl it under the terms of the GNU General Public License as published by
+dnl the Free Software Foundation; either version 2 of the License, or
+dnl (at your option) any later version.
+dnl
+dnl This program is distributed in the hope that it will be useful,
+dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
+dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+dnl GNU General Public License for more details.
+dnl
+dnl You should have received a copy of the GNU General Public License
+dnl along with this program; if not, write to the Free Software
+dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+dnl
+
+dnl MU_RESULT_ACTIONS -- generate shell code for the result of a test
+dnl $1 -- CVAR -- cache variable to check
+dnl $2 -- NAME -- if not empty, used to generate a default value TRUE:
+dnl `AC_DEFINE(HAVE_NAME)'
+dnl $2 -- TRUE -- what to do if the CVAR is not `no'
+dnl $3 -- FALSE -- what to do otherwise; defaults to `:'
+dnl
+AC_DEFUN([MU_RESULT_ACTIONS], [
+[if test "$$1" != "" -a "$$1" != no; then
+ ]ifelse([$3], ,
+ [AC_DEFINE(HAVE_]translit($2, [a-z ./<>], [A-Z___])[,1,[FIXME])],
+ [$3])[
+else
+ ]ifelse([$4], , [:], [$4])[
+fi]])dnl
+
+AC_DEFUN(MU_CHECK_GUILE,
+[
+ if test "x$mu_cv_lib_guile" = x; then
+ cached=""
+ AC_PATH_PROG(GUILE_CONFIG, guile-config, no, $PATH)
+ if test $GUILE_CONFIG = no; then
+ mu_cv_lib_guile=no
+ else
+ GUILE_INCLUDES=`guile-config compile`
+ GUILE_LIBS=`guile-config link`
+ fi
+
+ if test $GUILE_CONFIG != no; then
+ AC_MSG_CHECKING(for guile version 1.4 or higher)
+ GUILE_VERSION=`($GUILE_CONFIG --version 2>&1; echo '')|sed -n 's/guile-config - Guile version \([[0-9]][[0-9]]*\)\.\([[0-9]][[0-9]]*\).*/\1\2/p'`
+ case "x$GUILE_VERSION" in
+ x[[0-9]]*)
+ if test $GUILE_VERSION -lt 14; then
+ AC_MSG_RESULT(Nope. Version number too low.)
+ mu_cv_lib_guile=no
+ else
+ AC_DEFINE_UNQUOTED(GUILE_VERSION, $GUILE_VERSION,
+ [Guile version number: MAX*10 + MIN])
+ AC_MSG_RESULT(OK)
+ save_LIBS=$LIBS
+ save_CFLAGS=$CFLAGS
+ LIBS="$LIBS $GUILE_LIBS"
+ CFLAGS="$CFLAGS $GUILE_INCLUDES"
+ AC_TRY_LINK([#include <libguile.h>],
+ ifelse([$1], , scm_shell(0, NULL);, [$1]),
+ [mu_cv_lib_guile=yes],
+ [mu_cv_lib_guile=no])
+ LIBS=$save_LIBS
+ CFLAGS=$save_CFLAGS
+ fi ;;
+ *) AC_MSG_RESULT(Nope. Unknown version number)
+ mu_cv_lib_guile=no;;
+ esac
+ fi
+ else
+ cached=" (cached) "
+ GUILE_INCLUDES=`guile-config compile`
+ GUILE_LIBS=`guile-config link`
+ fi
+ AC_MSG_CHECKING(whether to build guile support)
+ MU_RESULT_ACTIONS([mu_cv_lib_guile],[LIBGUILE],[$2],[$3])
+ AC_MSG_RESULT(${cached}$mu_cv_lib_guile)
+ if test $mu_cv_lib_guile = yes; then
+ if test $GUILE_VERSION -gt 14; then
+ LIBS="$LIBS $GUILE_LIBS"
+ CFLAGS="$CFLAGS $GUILE_INCLUDES"
+ AC_CHECK_FUNCS(scm_long2num scm_cell scm_list_1 scm_list_n scm_c_define\
+ scm_c_lookup)
+ if test $ac_cv_func_scm_cell = no; then
+ AC_MSG_CHECKING(for inline scm_cell)
+ AC_TRY_LINK([#include <libguile.h>],
+ [scm_cell(SCM_EOL, SCM_EOL)],
+ [ac_cv_func_scm_cell=yes
+ AC_DEFINE(HAVE_SCM_CELL,1,
+ Define if you have scm_cell function)])
+ AC_MSG_RESULT($ac_cv_func_scm_cell)
+ fi
+ CFLAGS=$save_CFLAGS
+ LIBS=$save_LIBS
+ fi
+ fi
+])
+
+
+

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