1#!/bin/sh
2# Compile a Java program.
3
4# Copyright (C) 2001-2002, 2006 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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='@CONF_JAVAC@'
32CONF_CLASSPATH='@CLASSPATH@'
33if test -n "@HAVE_JAVAC_ENVVAR@"; 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    # In this case, $CONF_JAVAC starts with "gcj -C".
47    CLASSPATH="$CLASSPATH"
48    export CLASSPATH
49    test -z "$JAVA_VERBOSE" || echo "$CONF_JAVAC $@"
50    exec $CONF_JAVAC "$@"
51  else
52    if test -n "@HAVE_JAVAC@"; then
53      # In this case, $CONF_JAVAC starts with "javac".
54      CLASSPATH="$CLASSPATH"
55      export CLASSPATH
56      test -z "$JAVA_VERBOSE" || echo "$CONF_JAVAC $@"
57      exec $CONF_JAVAC "$@"
58    else
59      if test -n "@HAVE_JIKES@"; then
60        # In this case, $CONF_JAVAC starts with "jikes".
61        # Combine given CLASSPATH and configured CLASSPATH.
62        if test -n "$CLASSPATH"; then
63          CLASSPATH="$CLASSPATH${CONF_CLASSPATH:+@CLASSPATH_SEPARATOR@$CONF_CLASSPATH}"
64        else
65          CLASSPATH="$CONF_CLASSPATH"
66        fi
67        export CLASSPATH
68        test -z "$JAVA_VERBOSE" || echo "$CONF_JAVAC $@"
69        exec $CONF_JAVAC "$@"
70      else
71        echo 'Java compiler not found, try installing gcj or set $JAVAC, then reconfigure' 1>&2
72        exit 1
73      fi
74    fi
75  fi
76fi
77