build-aux/javacomp.sh.in

   1 #!/bin/sh
   2 # Compile a Java program.
   3
   4 # Copyright (C) 2001-2018 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 <https://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
  30 CONF_JAVAC='@CONF_JAVAC@'
  31 CONF_CLASSPATH='@CLASSPATH@'
  32 if 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 $CONF_JAVAC "$@"
  42 else
  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
  75 fi