1#!/bin/sh
2# Compile a Java program.
3
4# Copyright (C) 2001-2002 Free Software Foundation, Inc.
5# Written by Bruno Haible <haible@clisp.cons.org>, 2001.
6#
7# This program is free software; you can redistribute it and/or modify
8# it under the terms of the GNU General Public License as published by
9# the Free Software Foundation; either version 2, or (at your option)
10# any later version.
11#
12# This program is distributed in the hope that it will be useful,
13# but WITHOUT ANY WARRANTY; without even the implied warranty of
14# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15# GNU General Public License for more details.
16#
17# You should have received a copy of the GNU General Public License
18# along with this program; if not, write to the Free Software Foundation,
19# Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
20
21# This uses the same choices as javacomp.c, but instead of relying on the
22# environment settings at run time, it uses the environment variables
23# present at configuration time.
24#
25# This is a separate shell script, because it must be able to unset JAVA_HOME
26# in some cases, which a simple shell command cannot do.
27#
28# The extra CLASSPATH must have been set prior to calling this script.
29# Options that can be passed are -O, -g and "-d DIRECTORY".
30
31CONF_JAVAC='@JAVAC@'
32CONF_CLASSPATH='@CLASSPATH@'
33if test -n "$CONF_JAVAC"; then
34  # Combine given CLASSPATH and configured CLASSPATH.
35  if test -n "$CLASSPATH"; then
36    CLASSPATH="$CLASSPATH${CONF_CLASSPATH:+@CLASSPATH_SEPARATOR@$CONF_CLASSPATH}"
37  else
38    CLASSPATH="$CONF_CLASSPATH"
39  fi
40  export CLASSPATH
41  test -z "$JAVA_VERBOSE" || echo "$CONF_JAVAC $@"
42  exec $CONF_JAVAC "$@"
43else
44  unset JAVA_HOME
45  if test -n "@HAVE_GCJ_C@"; then
46    CLASSPATH="$CLASSPATH"
47    export CLASSPATH
48    test -z "$JAVA_VERBOSE" || echo gcj -C "$@"
49    exec gcj -C "$@"
50  else
51    if test -n "@HAVE_JAVAC@"; then
52      CLASSPATH="$CLASSPATH"
53      export CLASSPATH
54      test -z "$JAVA_VERBOSE" || echo javac "$@"
55      exec javac "$@"
56    else
57      if test -n "@HAVE_JIKES@"; then
58        # Combine given CLASSPATH and configured CLASSPATH.
59        if test -n "$CLASSPATH"; then
60          CLASSPATH="$CLASSPATH${CONF_CLASSPATH:+@CLASSPATH_SEPARATOR@$CONF_CLASSPATH}"
61        else
62          CLASSPATH="$CONF_CLASSPATH"
63        fi
64        export CLASSPATH
65        test -z "$JAVA_VERBOSE" || echo jikes "$@"
66        exec jikes "$@"
67      else
68        echo 'Java compiler not found, try installing gcj or set $JAVAC, then reconfigure' 1>&2
69        exit 1
70      fi
71    fi
72  fi
73fi
74