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# javaexec.m4 serial 1 (gettext-0.11)
dnl Copyright (C) 2001-2002 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License.  As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.

# Prerequisites of javaexec.sh.
# Sets HAVE_JAVAEXEC to nonempty if javaexec.sh will work.

AC_DEFUN([gt_JAVAEXEC],
[
  AC_MSG_CHECKING([for Java virtual machine])
  AC_EGREP_CPP(yes, [
#if defined _WIN32 || defined __WIN32__ || defined __EMX__ || defined __DJGPP__
  yes
#endif
], CLASSPATH_SEPARATOR=';', CLASSPATH_SEPARATOR=':')
  HAVE_JAVAEXEC=1
  if test -n "$JAVA"; then
    ac_result="$JAVA"
  else
    pushdef([AC_MSG_CHECKING],[:])dnl
    pushdef([AC_CHECKING],[:])dnl
    pushdef([AC_MSG_RESULT],[:])dnl
    AC_CHECK_PROG(HAVE_GIJ_IN_PATH, gij, yes)
    AC_CHECK_PROG(HAVE_JAVA_IN_PATH, java, yes)
    AC_CHECK_PROG(HAVE_JRE_IN_PATH, jre, yes)
    AC_CHECK_PROG(HAVE_JVIEW_IN_PATH, jview, yes)
    popdef([AC_MSG_RESULT])dnl
    popdef([AC_CHECKING])dnl
    popdef([AC_MSG_CHECKING])dnl
    if test -n "$HAVE_GIJ_IN_PATH" \
       && gij --version >/dev/null 2>/dev/null; then
      HAVE_GIJ=1
      ac_result="gij"
    else
      if test -n "$HAVE_JAVA_IN_PATH" \
         && java -version >/dev/null 2>/dev/null; then
        HAVE_JAVA=1
        ac_result="java"
      else
        if test -n "$HAVE_JRE_IN_PATH" \
           && (jre >/dev/null 2>/dev/null || test $? = 1); then
          HAVE_JRE=1
          ac_result="jre"
        else
          if test -n "$HAVE_JVIEW_IN_PATH" \
             && (jview -? >/dev/null 2>/dev/null || test $? = 1); then
            HAVE_JVIEW=1
            ac_result="jview"
          else
            HAVE_JAVAEXEC=
            ac_result="no"
          fi
        fi
      fi
    fi
  fi
  AC_MSG_RESULT([$ac_result])
  AC_SUBST(JAVA)
  AC_SUBST(CLASSPATH)
  AC_SUBST(CLASSPATH_SEPARATOR)
  AC_SUBST(HAVE_GIJ)
  AC_SUBST(HAVE_JAVA)
  AC_SUBST(HAVE_JRE)
  AC_SUBST(HAVE_JVIEW)
])