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# ===========================================================================
# https://www.gnu.org/software/autoconf-archive/ax_prog_java_works.html
# ===========================================================================
#
# SYNOPSIS
#
# AX_PROG_JAVA_WORKS
#
# DESCRIPTION
#
# Internal use ONLY.
#
# Note: This is part of the set of autoconf M4 macros for Java programs.
# It is VERY IMPORTANT that you download the whole set, some macros depend
# on other. Unfortunately, the autoconf archive does not support the
# concept of set of macros, so I had to break it for submission. The
# general documentation, as well as the sample configure.in, is included
# in the AX_PROG_JAVA macro.
#
# LICENSE
#
# Copyright (c) 2008 Stephane Bortzmeyer <bortzmeyer@pasteur.fr>
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 2 of the License, or (at your
# option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
# Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program. If not, see <https://www.gnu.org/licenses/>.
#
# As a special exception, the respective Autoconf Macro's copyright owner
# gives unlimited permission to copy, distribute and modify the configure
# scripts that are the output of Autoconf when processing the Macro. You
# need not follow the terms of the GNU General Public License when using
# or distributing such scripts, even though portions of the text of the
# Macro appear in them. The GNU General Public License (GPL) does govern
# all other use of the material that constitutes the Autoconf Macro.
#
# This special exception to the GPL applies to versions of the Autoconf
# Macro released by the Autoconf Archive. When you make and distribute a
# modified version of the Autoconf Macro, you may extend this special
# exception to the GPL to apply to your modified version as well.
#serial 11
AU_ALIAS([AC_PROG_JAVA_WORKS], [AX_PROG_JAVA_WORKS])
AC_DEFUN([AX_PROG_JAVA_WORKS], [
if test x$ac_cv_prog_javac_works = xno; then
AC_MSG_ERROR([Cannot compile java source. $JAVAC does not work properly])
fi
if test x$ac_cv_prog_javac_works = x; then
AX_PROG_JAVAC
fi
AC_CACHE_CHECK(if $JAVA works, ac_cv_prog_java_works, [
JAVA_TEST=Test.java
CLASS_TEST=Test.class
TEST=Test
changequote(, )dnl
cat << \EOF > $JAVA_TEST
/* [#]line __oline__ "configure" */
public class Test {
public static void main (String args[]) {
System.exit (0);
} }
EOF
changequote([, ])dnl
if AC_TRY_COMMAND($JAVAC $JAVACFLAGS $JAVA_TEST) && test -s $CLASS_TEST; then
:
else
echo "configure: failed program was:" >&AS_MESSAGE_LOG_FD
cat $JAVA_TEST >&AS_MESSAGE_LOG_FD
AC_MSG_ERROR(The Java compiler $JAVAC failed (see config.log, check the CLASSPATH?))
fi
if AC_TRY_COMMAND($JAVA -classpath . $JAVAFLAGS $TEST) >/dev/null 2>&1; then
ac_cv_prog_java_works=yes
else
echo "configure: failed program was:" >&AS_MESSAGE_LOG_FD
cat $JAVA_TEST >&AS_MESSAGE_LOG_FD
AC_MSG_ERROR(The Java VM $JAVA failed (see config.log, check the CLASSPATH?))
fi
rm -f $JAVA_TEST $CLASS_TEST
])
AC_PROVIDE([$0])dnl
]
)
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