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dnl @synopsis AC_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 AC_PROG_JAVA macro.

dnl

dnl @category Java

dnl @author Stephane Bortzmeyer <bortzmeyer@pasteur.fr>

dnl @version 2000-07-19

dnl @license GPLWithACException

dnl

dnl Modified to test for 1.5 by Andrew John Hughes on 2008-02-11

AC_DEFUN_ONCE([AC_PROG_JAVAC_WORKS],[

AC_REQUIRE([AC_PROG_JAVAC])

AC_CACHE_CHECK([if $JAVAC works], ac_cv_prog_javac_works, [

JAVA_TEST=Object.java

CLASS_TEST=Object.class

cat << \EOF > $JAVA_TEST

/* [#]line __oline__ "configure" */

package java.lang;

public class Object

{

  static <T> void doStuff()

  {

  }

}

EOF

if test x$JAVAC_IS_GCJ = xyes; then

  CMD="$JAVAC $JAVACFLAGS -fsource=1.5 -ftarget=1.5 $JAVA_TEST"

else

  CMD="$JAVAC $JAVACFLAGS -source 1.5 -target 1.5 $JAVA_TEST"

fi

if AC_TRY_COMMAND($CMD) >/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

])