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# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
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# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.

# This program is distributed in the hope that it will be useful,
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# Copyright (C) 2002, 2003, 2005  Free Software Foundation, Inc.
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# AM_AUX_DIR_EXPAND                                         -*- Autoconf -*-

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# Copyright (C) 2001, 2003, 2005  Free Software Foundation, Inc.
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# This file is free software; the Free Software Foundation
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# Copyright (C) 2003, 2004, 2005  Free Software Foundation, Inc.
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# This file is free software; the Free Software Foundation
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# Helper functions for option handling.                     -*- Autoconf -*-

# Copyright (C) 2001, 2002, 2003, 2005  Free Software Foundation, Inc.
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# Check to make sure that the build environment is sane.    -*- Autoconf -*-

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# Copyright (C) 2001, 2003, 2005  Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
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# Check how to create a tarball.                            -*- Autoconf -*-

# Copyright (C) 2004, 2005  Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
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dnl @synopsis AX_PROG_ANT([required-version])
dnl calls ant -version and parses the version string that is
dnl     printed.
dnl MTH fixed sed command from:
dnl     sed -e "s/[[^0-9.]]*//g"
dnl (which was returning version and compile date) to:
dnl     sed "s/^[[^0-9.]]*\([[0-9.]]*\)[[^0-9.]].*/\1/"
dnl @category Java
dnl @author Kevin Fowler kfowler@sdsc.edu
dnl @author Mark Holder mholder@scs.fsu.edu
dnl @version 2006-04-26
AC_DEFUN([AX_PROG_ANT],[
	AC_CHECK_PROG([ANT], ant, ant, no)
	AC_SUBST([ANT])
	if test "$ANT" = no; then
		AC_MSG_ERROR([ant is not found])
	fi
	
	ant_version=`ant -version | sed "s/^[[^0-9.]]*\([[0-9.]]*\)[[^0-9.]].*/\1/"`
	AC_MSG_CHECKING(for ant ($ant_version) >= $1)
	VERSION_CHECK=`expr $ant_version \>\= $1`
	if test "$VERSION_CHECK" = "1" ; then
		AC_MSG_RESULT(yes)
	else
		AC_MSG_ERROR($ANT is too old)
	fi
	AC_PROVIDE([$0])
])

dnl @synopsis AX_PROG_JAVAVM
dnl Mark Holder changed name from from AX_PROG_JAVA to AX_PROG_JAVAVM
dnl Here is a summary of the main macros:
dnl
dnl AX_PROG_JAVAC: finds a Java compiler.
dnl
dnl AX_PROG_JAVAVM: finds a Java virtual machine.
dnl
dnl AC_CHECK_CLASS: finds if we have the given class (beware of CLASSPATH!).
dnl
dnl AC_CHECK_RQRD_CLASS: finds if we have the given class and stops otherwise.
dnl
dnl AC_TRY_COMPILE_JAVA: attempt to compile user given source.
dnl
dnl AC_TRY_RUN_JAVA: attempt to compile and run user given source.
dnl
dnl AC_JAVA_OPTIONS: adds Java configure options.
dnl
dnl AC_PROG_JAVAAC_PROG_JAVAVM tests an existing Java virtual machine. It uses the
dnl environment variable JAVA then tests in sequence various common Java
dnl virtual machines. For political reasons, it starts with the free ones.
dnl You *must* call [AX_PROG_JAVAC] before.
dnl
dnl If you want to force a specific VM:
dnl
dnl - at the configure.in level, set JAVA=yourvm before calling AX_PROG_JAVAVM
dnl   (but after AC_INIT)
dnl
dnl - at the configure level, setenv JAVA
dnl
dnl You can use the JAVA variable in your Makefile.in, with @JAVA@.
dnl
dnl *Warning*: its success or failure can depend on a proper setting of the
dnl CLASSPATH env. variable.
dnl
dnl TODO: allow to exclude virtual machines (rationale: most Java programs
dnl cannot run with some VM like kaffe).
dnl
dnl Note: This is part of the set of autoconf M4 macros for Java programs.
dnl It is VERY IMPORTANT that you download the whole set, some
dnl macros depend on other. Unfortunately, the autoconf archive does not
dnl support the concept of set of macros, so I had to break it for
dnl submission.
dnl
dnl A Web page, with a link to the latest CVS snapshot is at
dnl <http://www.internatif.org/bortzmeyer/autoconf-Java/>.
dnl
dnl This is a sample configure.in
dnl Process this file with autoconf to produce a configure script.
dnl
dnl    AC_INIT(UnTag.java)
dnl
dnl    dnl Checks for programs.
dnl    AC_CHECK_CLASSPATH
dnl    AX_PROG_JAVAC
dnl    AC_PROG_JAVAAC_PROG_JAVAVM
dnl
dnl    dnl Checks for classes
dnl    AC_CHECK_RQRD_CLASS(org.xml.sax.Parser)
dnl    AC_CHECK_RQRD_CLASS(com.jclark.xml.sax.Driver)
dnl
dnl    AC_OUTPUT(Makefile)
dnl
dnl @author Stephane Bortzmeyer <bortzmeyer@pasteur.fr>
dnl @version $Id: ac_prog_java.m4,v 1.5 2000/01/02 16:07:12 bortz Exp $
dnl
AC_DEFUN([AX_PROG_JAVAVM],[
	AC_REQUIRE([AC_EXEEXT])dnl
	if test x$JAVAPREFIX = x; then
		test x$JAVA = x && AC_CHECK_PROGS(JAVA, kaffe$EXEEXT java$EXEEXT)
	else
		test x$JAVA = x && AC_CHECK_PROGS(JAVA, kaffe$EXEEXT java$EXEEXT, $JAVAPREFIX)
	fi
	test x$JAVA = x && AC_MSG_ERROR([no acceptable Java virtual machine found in \$PATH])
	AX_PROG_JAVAVM_WORKS
	AC_PROVIDE([$0])dnl
])

dnl @synopsis AX_PROG_JAVAVM_WORKS
dnl
dnl Internal use ONLY.
dnl
dnl Note: This is part of the set of autoconf M4 macros for Java
dnl programs. It is VERY IMPORTANT that you download the whole set,
dnl some macros depend on other. Unfortunately, the autoconf archive
dnl does not support the concept of set of macros, so I had to break it
dnl for submission. The general documentation, as well as the sample
dnl configure.in, is included in the AX_PROG_JAVAVM macro.
dnl
dnl @category Java
dnl @author Stephane Bortzmeyer <bortzmeyer@pasteur.fr>
dnl @version 2000-07-19
dnl @license GPLWithACException

AC_DEFUN([AX_PROG_JAVAVM_WORKS], [
AC_CHECK_PROG(uudecode, uudecode$EXEEXT, yes)
if test x$uudecode = xyes; then
AC_CACHE_CHECK([if uudecode can decode base 64 file], ac_cv_prog_uudecode_base64, [
dnl /**
dnl  * Test.java: used to test if java compiler works.
dnl  */
dnl public class Test
dnl {
dnl
dnl public static void
dnl main( String[] argv )
dnl {
dnl     System.exit (0);
dnl }
dnl
dnl }
cat << \EOF > Test.uue
begin-base64 644 Test.class
yv66vgADAC0AFQcAAgEABFRlc3QHAAQBABBqYXZhL2xhbmcvT2JqZWN0AQAE
bWFpbgEAFihbTGphdmEvbGFuZy9TdHJpbmc7KVYBAARDb2RlAQAPTGluZU51
bWJlclRhYmxlDAAKAAsBAARleGl0AQAEKEkpVgoADQAJBwAOAQAQamF2YS9s
YW5nL1N5c3RlbQEABjxpbml0PgEAAygpVgwADwAQCgADABEBAApTb3VyY2VG
aWxlAQAJVGVzdC5qYXZhACEAAQADAAAAAAACAAkABQAGAAEABwAAACEAAQAB
AAAABQO4AAyxAAAAAQAIAAAACgACAAAACgAEAAsAAQAPABAAAQAHAAAAIQAB
AAEAAAAFKrcAErEAAAABAAgAAAAKAAIAAAAEAAQABAABABMAAAACABQ=
====
EOF
if uudecode$EXEEXT Test.uue; then
        ac_cv_prog_uudecode_base64=yes
else
        echo "configure: __oline__: uudecode had trouble decoding base 64 file 'Test.uue'" >&AC_FD_CC
        echo "configure: failed file was:" >&AC_FD_CC
        cat Test.uue >&AC_FD_CC
        ac_cv_prog_uudecode_base64=no
fi
rm -f Test.uue])
fi
if test x$ac_cv_prog_uudecode_base64 != xyes; then
        rm -f Test.class
        AC_MSG_WARN([I have to compile Test.class from scratch])
        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
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 > $JAVA_TEST
/* [#]line __oline__ "configure" */
public class Test {
public static void main (String args[]) {
        System.exit (0);
} }
EOF
changequote([, ])dnl
if test x$ac_cv_prog_uudecode_base64 != xyes; then
        if AC_TRY_COMMAND($JAVAC $JAVACFLAGS $JAVA_TEST) && test -s $CLASS_TEST; then
                :
        else
          echo "configure: failed program was:" >&AC_FD_CC
          cat $JAVA_TEST >&AC_FD_CC
          AC_MSG_ERROR(The Java compiler $JAVAC failed (see config.log, check the CLASSPATH?))
        fi
fi
if AC_TRY_COMMAND($JAVA $JAVAFLAGS $TEST) >/dev/null 2>&1; then
  ac_cv_prog_java_works=yes
else
  echo "configure: failed program was:" >&AC_FD_CC
  cat $JAVA_TEST >&AC_FD_CC
  AC_MSG_ERROR(The Java VM $JAVA failed (see config.log, check the CLASSPATH?))
fi
rm -fr $JAVA_TEST $CLASS_TEST Test.uue
])
AC_PROVIDE([$0])dnl
]
)

dnl @synopsis AX_PROG_JAVAC
dnl
dnl AX_PROG_JAVAC tests an existing Java compiler. It uses the
dnl environment variable JAVAC then tests in sequence various common
dnl Java compilers. For political reasons, it starts with the free
dnl ones.
dnl
dnl If you want to force a specific compiler:
dnl
dnl - at the configure.in level, set JAVAC=yourcompiler before calling
dnl AX_PROG_JAVAC
dnl
dnl - at the configure level, setenv JAVAC
dnl
dnl You can use the JAVAC variable in your Makefile.in, with @JAVAC@.
dnl
dnl *Warning*: its success or failure can depend on a proper setting of
dnl the CLASSPATH env. variable.
dnl
dnl TODO: allow to exclude compilers (rationale: most Java programs
dnl cannot compile with some compilers like guavac).
dnl
dnl Note: This is part of the set of autoconf M4 macros for Java
dnl programs. It is VERY IMPORTANT that you download the whole set,
dnl some macros depend on other. Unfortunately, the autoconf archive
dnl does not support the concept of set of macros, so I had to break it
dnl for submission. The general documentation, as well as the sample
dnl configure.in, is included in the AX_PROG_JAVAVM macro.
dnl
dnl @category Java
dnl @author Stephane Bortzmeyer <bortzmeyer@pasteur.fr>
dnl @version 2000-07-19
dnl @license GPLWithACException

AC_DEFUN([AX_PROG_JAVAC],[
AC_REQUIRE([AC_EXEEXT])dnl
if test "x$JAVAPREFIX" = x; then
        test "x$JAVAC" = x && AC_CHECK_PROGS(JAVAC,  javac$EXEEXT "gcj$EXEEXT -C" guavac$EXEEXT jikes$EXEEXT)
else
        test "x$JAVAC" = x && AC_CHECK_PROGS(JAVAC, javac$EXEEXT "gcj$EXEEXT -C" guavac$EXEEXT jikes$EXEEXT javac$EXEEXT, $JAVAPREFIX)
fi
test "x$JAVAC" = x && AC_MSG_ERROR([no acceptable Java compiler found in \$PATH])
AX_PROG_JAVAC_WORKS
AC_PROVIDE([$0])dnl
])

dnl @synopsis AX_PROG_JAVAC_WORKS
dnl
dnl Internal use ONLY.
dnl
dnl Note: This is part of the set of autoconf M4 macros for Java
dnl programs. It is VERY IMPORTANT that you download the whole set,
dnl some macros depend on other. Unfortunately, the autoconf archive
dnl does not support the concept of set of macros, so I had to break it
dnl for submission. The general documentation, as well as the sample
dnl configure.in, is included in the AX_PROG_JAVAVM macro.
dnl
dnl @category Java
dnl @author Stephane Bortzmeyer <bortzmeyer@pasteur.fr>
dnl @version 2000-07-19
dnl @license GPLWithACException

AC_DEFUN([AX_PROG_JAVAC_WORKS],[
AC_CACHE_CHECK([if $JAVAC works], ac_cv_prog_javac_works, [
JAVA_TEST=Test.java
CLASS_TEST=Test.class
cat << \EOF > $JAVA_TEST
/* [#]line __oline__ "configure" */
public class Test {
}
EOF
if AC_TRY_COMMAND($JAVAC $JAVACFLAGS $JAVA_TEST) >/dev/null 2>&1; then
  ac_cv_prog_javac_works=yes
else
  AC_MSG_ERROR([The Java compiler $JAVAC failed (see config.log, check the CLASSPATH?)])
  echo "configure: failed program was:" >&AC_FD_CC
  cat $JAVA_TEST >&AC_FD_CC
fi
rm -f $JAVA_TEST $CLASS_TEST
])
AC_PROVIDE([$0])dnl
])