1#!/bin/sh
2# Compile a Java program.
3
4# Copyright (C) 2001-2012 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 3 of the License, or
10# (at your option) 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, see <http://www.gnu.org/licenses/>.
19
20# This uses the same choices as javacomp.c, but instead of relying on the
21# environment settings at run time, it uses the environment variables
22# present at configuration time.
23#
24# This is a separate shell script, because it must be able to unset JAVA_HOME
25# in some cases, which a simple shell command cannot do.
26#
27# The extra CLASSPATH must have been set prior to calling this script.
28# Options that can be passed are -O, -g and "-d DIRECTORY".
29
30CONF_JAVAC='@CONF_JAVAC@'
31CONF_CLASSPATH='@CLASSPATH@'
32if test -n "@HAVE_JAVAC_ENVVAR@"; then
33  # Combine given CLASSPATH and configured CLASSPATH.
34  if test -n "$CLASSPATH"; then
35    CLASSPATH="$CLASSPATH${CONF_CLASSPATH:+@CLASSPATH_SEPARATOR@$CONF_CLASSPATH}"
36  else
37    CLASSPATH="$CONF_CLASSPATH"
38  fi
39  export CLASSPATH
40  test -z "$JAVA_VERBOSE" || echo "$CONF_JAVAC $@"
41  exec $CONF_JAVAC "$@"
42else
43  unset JAVA_HOME
44  if test -n "@HAVE_GCJ_C@"; then
45    # In this case, $CONF_JAVAC starts with "gcj -C".
46    CLASSPATH="$CLASSPATH"
47    export CLASSPATH
48    test -z "$JAVA_VERBOSE" || echo "$CONF_JAVAC $@"
49    exec $CONF_JAVAC "$@"
50  else
51    if test -n "@HAVE_JAVAC@"; then
52      # In this case, $CONF_JAVAC starts with "javac".
53      CLASSPATH="$CLASSPATH"
54      export CLASSPATH
55      test -z "$JAVA_VERBOSE" || echo "$CONF_JAVAC $@"
56      exec $CONF_JAVAC "$@"
57    else
58      if test -n "@HAVE_JIKES@"; then
59        # In this case, $CONF_JAVAC starts with "jikes".
60        # Combine given CLASSPATH and configured CLASSPATH.
61        if test -n "$CLASSPATH"; then
62          CLASSPATH="$CLASSPATH${CONF_CLASSPATH:+@CLASSPATH_SEPARATOR@$CONF_CLASSPATH}"
63        else
64          CLASSPATH="$CONF_CLASSPATH"
65        fi
66        export CLASSPATH
67        test -z "$JAVA_VERBOSE" || echo "$CONF_JAVAC $@"
68        exec $CONF_JAVAC "$@"
69      else
70        echo 'Java compiler not found, try installing gcj or set $JAVAC, then reconfigure' 1>&2
71        exit 1
72      fi
73    fi
74  fi
75fi
76