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- # -*- TCL -*-
- # Auxiliary procedures for autoconf tests.
- # Copyright (C) 1994 Free Software Foundation, Inc.
-
- # This program is free software; you can redistribute it and/or modify
- # it under the terms of the GNU General Public License as published by
- # the Free Software Foundation; either version 2 of the License, or
- # (at your option) any later version.
- #
- # This program 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 General Public License for more details.
- #
- # You should have received a copy of the GNU General Public License
- # along with this program; if not, write to the Free Software
- # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
- # Written by David MacKenzie <djm@gnu.ai.mit.edu>.
-
- #
- # Create a configure.in from a string.
- # CONFIG.in is the file to create containing CONTENTS plus boilerplate.
- # Return 1 if successful, 0 if an error occurs.
- proc autoconf_create {config contents} {
- if [catch {open "$config.in" "w"} hand] {
- error "$config, cannot create $config.in"
- return 0
- }
- puts $hand "AC_INIT(confdummy.in)
- $contents
- AC_OUTPUT(confdummy)"
- close $hand
-
- if [catch {open "confdummy.in" "w"} hand] {
- error "$config, cannot create confdummy.in"
- return 0
- }
- puts $hand "# This is a dummy file for testing.
- srcdir = @srcdir@
- # Please ignore this file."
- close $hand
-
- return 1
- }
-
- # Compile a configure.in into a configure
- # and call error if there's any output (undefined macros, can't
- # find library files, etc.).
- proc autoconf_start_plus {configout} {
- global comp_output
-
- set status [autoconf_start $configout]
- if {$status==0} {
- return 0
- }
- # Examine $comp_output.
- if [string match "*is obsolete*" "$comp_output"] then {
- return 1
- }
- if [string match "*allow cross*" "$comp_output"] then {
- return 1
- }
- if ![string match "" "$comp_output"] then {
- fail "$configout, problem with running autoconf"
- return 0
- }
- return 1
- }
-
- # Execute a configure script and check the output
- # against what it's supposed to be.
- # Return 1 if successful so far, 0 if failure already.
- proc autoconf_load_plus {args} {
- global exec_output
-
- set status [autoconf_load $args]
- if {$status==0} {
- return 0
- }
- if [string match "*:*" "$exec_output"] then {
- fail "$args, problem with executing"
- return 0
- }
- return 1
- }
-
- # Remove generated configuration files for test CONFIG.
- # Return 1 if successful, 0 if not.
- proc autoconf_remove {config} {
- if [catch "exec rm -f $config $config.in [glob -nocomplain conftest* confdummy*] config.status config.cache config.log"] {
- warning "$config output files, cannot remove"
- return 0
- }
- return 1
- }
-
- # The standard autoconf test: create, compile, run, and remove
- # a simple configure script to test a single macro.
- # TESTNAME is the name of the macro being tested.
- # CONTENTS is the body of the configure script to create and test.
- proc autoconf_test {testname contents} {
- if ![autoconf_remove $testname] {
- return 0
- }
- if ![autoconf_create $testname "$contents"] {
- return 0
- }
- if ![autoconf_start_plus $testname] {
- autoconf_remove $testname
- return 0
- }
- if ![autoconf_load_plus $testname] {
- autoconf_remove $testname
- return 0
- }
- if ![autoconf_remove $testname] {
- return 0
- }
-
- pass "$testname"
- return 1
- }
-