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  AC_MSG_CHECKING([for GNU ld])
else
  AC_MSG_CHECKING([for non-GNU ld])
fi
AC_CACHE_VAL(acl_cv_path_LD,
[if test -z "$LD"; then
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"
  for ac_dir in $PATH; do
    test -z "$ac_dir" && ac_dir=.
    if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
      acl_cv_path_LD="$ac_dir/$ac_prog"
      # Check to see if the program is GNU ld.  I'd rather use --version,
      # but apparently some GNU ld's only accept -v.
      # Break only if it was the GNU/non-GNU ld that we prefer.
      case `"$acl_cv_path_LD" -v 2>&1 < /dev/null` in
      *GNU* | *'with BFD'*)
	test "$with_gnu_ld" != no && break ;;
      *)
	test "$with_gnu_ld" != yes && break ;;
      esac
    fi
  done
  IFS="$ac_save_ifs"
else
  acl_cv_path_LD="$LD" # Let the user override the test with a path.
fi])
LD="$acl_cv_path_LD"
if test -n "$LD"; then
  AC_MSG_RESULT($LD)
else
  AC_MSG_RESULT(no)
fi
test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
AC_LIB_PROG_LD_GNU
])

dnl @synopsis AC_JNI_INCLUDE_DIR
dnl
dnl AC_JNI_INCLUDE_DIR finds include directories needed
dnl for compiling programs using the JNI interface.
dnl
dnl JNI include directories are usually in the java distribution
dnl This is deduced from the value of JAVAC.  When this macro
dnl completes, a list of directories is left in the variable
dnl JNI_INCLUDE_DIRS.
dnl
dnl Example usage follows:
dnl
dnl     AC_JNI_INCLUDE_DIR
dnl
dnl     for JNI_INCLUDE_DIR in $JNI_INCLUDE_DIRS
dnl     do
dnl             CPPFLAGS="$CPPFLAGS -I$JNI_INCLUDE_DIR"
dnl     done
dnl
dnl If you want to force a specific compiler:
dnl
dnl - at the configure.in level, set JAVAC=yourcompiler before calling
dnl AC_JNI_INCLUDE_DIR
dnl
dnl - at the configure level, setenv JAVAC
dnl
dnl Note: This macro can work with the autoconf M4 macros for Java programs.
dnl This particular macro is not part of the original set of macros.
dnl
dnl @author Don Anderson <dda@sleepycat.com>
dnl @version $Id: ac_jni_include_dirs.m4,v 1.3 2004/12/24 01:16:37 guidod Exp $
dnl
AC_DEFUN([AC_JNI_INCLUDE_DIR],[

JNI_INCLUDE_DIRS=""

test "x$JAVAC" = x && AC_MSG_ERROR(['$JAVAC' undefined])
AC_PATH_PROG(_ACJNI_JAVAC, $JAVAC, no)
test "x$_ACJNI_JAVAC" = xno && AC_MSG_ERROR([$JAVAC could not be found in path])

_ACJNI_FOLLOW_SYMLINKS("$_ACJNI_JAVAC")
_JTOPDIR=`echo "$_ACJNI_FOLLOWED" | sed -e 's://*:/:g' -e 's:/[[^/]]*$::'`
case "$host_os" in
        darwin*)        _JTOPDIR=`echo "$_JTOPDIR" | sed -e 's:/[[^/]]*$::'`
                        _JINC="$_JTOPDIR/Headers";;
        *)              _JINC="$_JTOPDIR/include";;
esac
if test -f "$_JINC/jni.h"; then
        JNI_INCLUDE_DIRS="$JNI_INCLUDE_DIRS $_JINC"
else
        _JTOPDIR=`echo "$_JTOPDIR" | sed -e 's:/[[^/]]*$::'`
        if test -f "$_JTOPDIR/include/jni.h"; then
                JNI_INCLUDE_DIRS="$JNI_INCLUDE_DIRS $_JTOPDIR/include"
        else
                AC_MSG_ERROR([cannot find java include files])
        fi
fi

# get the likely subdirectories for system specific java includes
case "$host_os" in
bsdi*)          _JNI_INC_SUBDIRS="bsdos";;
linux*)         _JNI_INC_SUBDIRS="linux genunix";;
osf*)           _JNI_INC_SUBDIRS="alpha";;
solaris*)       _JNI_INC_SUBDIRS="solaris";;
mingw*)			_JNI_INC_SUBDIRS="win32";;
cygwin*)		_JNI_INC_SUBDIRS="win32";;
*)              _JNI_INC_SUBDIRS="genunix";;
esac

# add any subdirectories that are present
for JINCSUBDIR in $_JNI_INC_SUBDIRS
do
        if test -d "$_JTOPDIR/include/$JINCSUBDIR"; then
                JNI_INCLUDE_DIRS="$JNI_INCLUDE_DIRS $_JTOPDIR/include/$JINCSUBDIR"
        fi
done
])

# _ACJNI_FOLLOW_SYMLINKS <path>
# Follows symbolic links on <path>,
# finally setting variable _ACJNI_FOLLOWED
# --------------------
AC_DEFUN([_ACJNI_FOLLOW_SYMLINKS],[
# find the include directory relative to the javac executable
_cur="$1"