* autogen.sh: Use '-I m4'.

	* m4/lib-ld.m4, m4/lib-link.m4, m4/lib-prefix.m4: New files.
	* m4/pkg.m4, m4/accross.m4, m4/iconv.m4, m4/acinclude.m4: Moved
	from...
	* pkg.m4, accross.m4, iconv.m4, acinclude.m4: ... here.  Removed.

7 files changed, 1518 insertions, 0 deletions

diff --git a/m4/accross.m4 b/m4/accross.m4
new file mode 100644
index 000000000..535a6f5c0
--- /dev/null
+++ b/m4/accross.m4
@@ -0,0 +1,98 @@
+AC_DEFUN([AC_COMPILE_CHECK_SIZEOF],
+[changequote(<<, >>)dnl
+dnl The name to #define.
+define(<<AC_TYPE_NAME>>, translit(sizeof_$1, [a-z *], [A-Z_P]))dnl
+dnl The cache variable name.
+define(<<AC_CV_NAME>>, translit(ac_cv_sizeof_$1, [ *], [_p]))dnl
+changequote([, ])dnl
+AC_MSG_CHECKING(size of $1)
+AC_CACHE_VAL(AC_CV_NAME,
+[for ac_size in 4 8 1 2 16 12 $2 ; do # List sizes in rough order of prevalence.
+  AC_TRY_COMPILE([#include "confdefs.h"
+#include <sys/types.h>
+$2
+], [switch (0) case 0: case (sizeof ($1) == $ac_size):;], AC_CV_NAME=$ac_size)
+  if test x$AC_CV_NAME != x ; then break; fi
+done
+])
+if test x$AC_CV_NAME = x ; then
+  AC_MSG_ERROR([cannot determine a size for $1])
+fi
+AC_MSG_RESULT($AC_CV_NAME)
+AC_DEFINE_UNQUOTED(AC_TYPE_NAME, $AC_CV_NAME, [The number of bytes in type $1])
+undefine([AC_TYPE_NAME])dnl
+undefine([AC_CV_NAME])dnl
+])
+
+AC_DEFUN([AC_C_BIGENDIAN_CROSS],
+[AC_CACHE_CHECK(whether byte ordering is bigendian, ac_cv_c_bigendian,
+[ac_cv_c_bigendian=unknown
+# See if sys/param.h defines the BYTE_ORDER macro.
+AC_TRY_COMPILE([#include <sys/types.h>
+#include <sys/param.h>], [
+#if !BYTE_ORDER || !BIG_ENDIAN || !LITTLE_ENDIAN
+ bogus endian macros
+#endif], [# It does; now see whether it defined to BIG_ENDIAN or not.
+AC_TRY_COMPILE([#include <sys/types.h>
+#include <sys/param.h>], [
+#if BYTE_ORDER != BIG_ENDIAN
+ not big endian
+#endif], ac_cv_c_bigendian=yes, ac_cv_c_bigendian=no)])
+if test $ac_cv_c_bigendian = unknown; then
+AC_TRY_RUN([main () {
+  /* Are we little or big endian?  From Harbison&Steele.  */
+  union
+  {
+    long l;
+    char c[sizeof (long)];
+  } u;
+  u.l = 1;
+  exit (u.c[sizeof (long) - 1] == 1);
+}], ac_cv_c_bigendian=no, ac_cv_c_bigendian=yes,
+[ echo $ac_n "cross-compiling... " 2>&AC_FD_MSG ])
+fi])
+if test $ac_cv_c_bigendian = unknown; then
+AC_MSG_CHECKING(to probe for byte ordering)
+[
+cat >conftest.c <<EOF
+short ascii_mm[] = { 0x4249, 0x4765, 0x6E44, 0x6961, 0x6E53, 0x7953, 0 };
+short ascii_ii[] = { 0x694C, 0x5454, 0x656C, 0x6E45, 0x6944, 0x6E61, 0 };
+void _ascii() { char* s = (char*) ascii_mm; s = (char*) ascii_ii; }
+short ebcdic_ii[] = { 0x89D3, 0xE3E3, 0x8593, 0x95C5, 0x89C4, 0x9581, 0 };
+short ebcdic_mm[] = { 0xC2C9, 0xC785, 0x95C4, 0x8981, 0x95E2, 0xA8E2, 0 };
+void _ebcdic() { char* s = (char*) ebcdic_mm; s = (char*) ebcdic_ii; }
+int main() { _ascii (); _ebcdic (); return 0; }
+EOF
+] if test -f conftest.c ; then
+     if ${CC-cc} ${CFLAGS} -c conftest.c -o conftest.o && test -f conftest.o ; then
+        if test `grep -l BIGenDianSyS conftest.o` ; then
+           echo $ac_n ' big endian probe OK, ' 1>&AC_FD_MSG
+           ac_cv_c_bigendian=yes
+        fi
+        if test `grep -l LiTTleEnDian conftest.o` ; then
+           echo $ac_n ' little endian probe OK, ' 1>&AC_FD_MSG
+           if test $ac_cv_c_bigendian = yes ; then
+            ac_cv_c_bigendian=unknown;
+           else
+            ac_cv_c_bigendian=no
+           fi
+        fi
+        echo $ac_n 'guessing bigendian ...  ' >&AC_FD_MSG
+     fi
+  fi
+AC_MSG_RESULT($ac_cv_c_bigendian)
+fi
+if test $ac_cv_c_bigendian = yes; then
+  AC_DEFINE(WORDS_BIGENDIAN, 1, [whether byteorder is bigendian])
+  AC_DEFINE(HOST_WORDS_BIG_ENDIAN, 1,
+  [Define if the host machine stores words of multi-word integers in
+   big-endian order.])
+  BYTEORDER=4321
+else
+  BYTEORDER=1234
+fi
+AC_DEFINE_UNQUOTED(BYTEORDER, $BYTEORDER, [1234 = LIL_ENDIAN, 4321 = BIGENDIAN])
+if test $ac_cv_c_bigendian = unknown; then
+  AC_MSG_ERROR([unknown endianess - sorry, please pre-set ac_cv_c_bigendian])
+fi
+])
diff --git a/m4/acinclude.m4 b/m4/acinclude.m4
new file mode 100644
index 000000000..431cfd0c0
--- /dev/null
+++ b/m4/acinclude.m4
@@ -0,0 +1,444 @@
+dnl Used by aclocal to generate configure
+
+dnl -----------------------------------------------------------
+AC_DEFUN([CLASSPATH_FIND_JAVAC],
+[
+  user_specified_javac=
+
+  CLASSPATH_WITH_GCJ
+  CLASSPATH_WITH_JIKES
+  CLASSPATH_WITH_KJC
+  CLASSPATH_WITH_GCJX
+  CLASSPATH_WITH_ECJ
+
+  if test "x${user_specified_javac}" = x; then
+    AM_CONDITIONAL(FOUND_GCJ, test "x${GCJ}" != x)
+    AM_CONDITIONAL(FOUND_JIKES, test "x${JIKES}" != x)
+    AM_CONDITIONAL(FOUND_ECJ, test "x${ECJ}" != x)
+  else
+    AM_CONDITIONAL(FOUND_GCJ, test "x${user_specified_javac}" = xgcj)
+    AM_CONDITIONAL(FOUND_JIKES, test "x${user_specified_javac}" = xjikes)
+    AM_CONDITIONAL(FOUND_ECJ, test "x${user_specified_javac}" = xecj)
+  fi
+  AM_CONDITIONAL(FOUND_KJC, test "x${user_specified_javac}" = xkjc)
+  AM_CONDITIONAL(FOUND_GCJX, test "x${user_specified_javac}" = xgcjx)
+
+  if test "x${GCJ}" = x && test "x${JIKES}" = x && test "x${user_specified_javac}" != xkjc && test "x${user_specified_javac}" != xgcjx; then
+      # FIXME: use autoconf error function
+      echo "configure: cannot find javac, try --with-gcj, --with-jikes, --with-kjc, or --with-gcjx" 1>&2
+      exit 1    
+  fi
+])
+
+dnl -----------------------------------------------------------
+AC_DEFUN([CLASSPATH_WITH_GCJ],
+[
+  AC_ARG_WITH([gcj],
+	      [AS_HELP_STRING(--with-gcj,bytecode compilation with gcj)],
+  [
+    if test "x${withval}" != x && test "x${withval}" != xyes && test "x${withval}" != xno; then
+      CLASSPATH_CHECK_GCJ(${withval})
+    else
+      if test "x${withval}" != xno; then
+        CLASSPATH_CHECK_GCJ
+      fi
+    fi
+    user_specified_javac=gcj
+  ],
+  [
+    CLASSPATH_CHECK_GCJ
+  ])
+  AC_SUBST(GCJ)
+])
+
+dnl -----------------------------------------------------------
+AC_DEFUN([CLASSPATH_CHECK_GCJ],
+[
+  if test "x$1" != x; then
+    if test -f "$1"; then
+      GCJ="$1"
+    else
+      AC_PATH_PROG(GCJ, "$1")
+    fi
+  else
+    AC_PATH_PROG(GCJ, "gcj")
+  fi  
+
+  if test "x$GCJ" != x; then
+    ## GCC version 2 puts out version messages that looked like:
+    ##   2.95
+
+    ## GCC version 3 puts out version messages like:
+    ##   gcj (GCC) 3.3.3
+    ##   Copyright (C) 2003 Free Software Foundation, Inc.
+    ##   This is free software; see the source for copying conditions.  There is NO
+    ##   warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+    AC_MSG_CHECKING(gcj version)
+    ## Take the output from gcj --version and extract just the version number
+    ## into GCJ_VERSION.
+    ## (we need to do this to be compatible with both GCC 2 and GCC 3 version
+    ##  numbers)
+    ## 
+    ## First, we get rid of everything before the first number on that line.
+    ## Assume that the first number on that line is the start of the
+    ## version.
+    ##
+    ## Second, while we're at it, go ahead and get rid of the first character
+    ## that is not part of a version number (i.e., is neither a digit nor
+    ## a dot).
+    ##
+    ## Third, quit, so that we won't process the second and subsequent lines.
+    GCJ_VERSION=`$GCJ --version | sed -e 's/^@<:@^0-9@:>@*//' -e 's/@<:@^.0-9@:>@@<:@^.0-9@:>@*//' -e 'q'` 
+    GCJ_VERSION_MAJOR=`echo "$GCJ_VERSION" | cut -d '.' -f 1`
+    GCJ_VERSION_MINOR=`echo "$GCJ_VERSION" | cut -d '.' -f 2`
+
+    if expr "$GCJ_VERSION_MAJOR" \< 3 > /dev/null; then
+      GCJ=""
+    fi
+    if expr "$GCJ_VERSION_MAJOR" = 3 > /dev/null; then
+      if expr "$GCJ_VERSION_MINOR" \< 3; then
+        GCJ=""
+      fi
+    fi
+    if test "x$GCJ" != x; then
+      AC_MSG_RESULT($GCJ_VERSION)
+    else
+      AC_MSG_WARN($GCJ_VERSION: gcj 3.3 or higher required)
+    fi
+  fi 
+])
+
+dnl -----------------------------------------------------------
+AC_DEFUN([CLASSPATH_WITH_JIKES],
+[
+  AC_ARG_WITH([jikes],
+	      [AS_HELP_STRING(--with-jikes,bytecode compilation with jikes)],
+  [
+    if test "x${withval}" != x && test "x${withval}" != xyes && test "x${withval}" != xno; then
+      CLASSPATH_CHECK_JIKES(${withval})
+    else
+      if test "x${withval}" != xno; then
+        CLASSPATH_CHECK_JIKES
+      fi
+    fi
+    user_specified_javac=jikes
+  ],
+  [ 
+    CLASSPATH_CHECK_JIKES
+  ])
+  AC_SUBST(JIKES)
+])
+
+dnl -----------------------------------------------------------
+AC_DEFUN([CLASSPATH_CHECK_JIKES],
+[
+  if test "x$1" != x; then
+    if test -f "$1"; then
+      JIKES="$1"
+    else
+      AC_PATH_PROG(JIKES, "$1")
+    fi
+  else
+    AC_PATH_PROG(JIKES, "jikes")
+  fi
+  if test "x$JIKES" != "x"; then
+    dnl Require at least version 1.19
+    AC_MSG_CHECKING(jikes version)
+    JIKES_VERSION=`$JIKES --version | awk '/^Jikes Compiler/' | cut -d ' ' -f 5`
+    JIKES_VERSION_MAJOR=`echo "$JIKES_VERSION" | cut -d '.' -f 1`
+    JIKES_VERSION_MINOR=`echo "$JIKES_VERSION" | cut -d '.' -f 2`
+    if expr "$JIKES_VERSION_MAJOR" == 1 > /dev/null; then
+      if expr "$JIKES_VERSION_MINOR" \< 19 > /dev/null; then
+        JIKES=""
+      fi
+    fi
+    if test "x$JIKES" != "x"; then
+      AC_MSG_RESULT($JIKES_VERSION)
+    else
+      AC_MSG_WARN($JIKES_VERSION: jikes 1.19 or higher required)
+    fi
+  fi
+])
+
+dnl -----------------------------------------------------------
+AC_DEFUN([CLASSPATH_WITH_KJC],
+[
+  AC_ARG_WITH([kjc], 
+  	      [AS_HELP_STRING(--with-kjc,bytecode compilation with kjc)],
+  [
+    if test "x${withval}" != x && test "x${withval}" != xyes && test "x${withval}" != xno; then
+      CLASSPATH_CHECK_KJC(${withval})
+    else
+      if test "x${withval}" != xno; then
+        CLASSPATH_CHECK_KJC
+      fi
+    fi
+    user_specified_javac=kjc
+  ],
+  [ 
+    CLASSPATH_CHECK_KJC
+  ])
+  AC_SUBST(KJC)
+])
+
+dnl -----------------------------------------------------------
+AC_DEFUN([CLASSPATH_CHECK_KJC],
+[
+  if test "x$1" != x; then
+    if test -f "$1"; then
+      KJC="$1"
+    else
+      AC_PATH_PROG(KJC, "$1")
+    fi
+  else
+    AC_PATH_PROG(KJC, "kJC")
+  fi
+])
+
+dnl -----------------------------------------------------------
+AC_DEFUN([CLASSPATH_WITH_GCJX],
+[
+  AC_ARG_WITH([gcjx], 
+  	      [AS_HELP_STRING(--with-gcjx,bytecode compilation with gcjx)],
+  [
+    if test "x${withval}" != x && test "x${withval}" != xyes && test "x${withval}" != xno; then
+      CLASSPATH_CHECK_GCJX(${withval})
+    else
+      if test "x${withval}" != xno; then
+        CLASSPATH_CHECK_GCJX
+      fi
+    fi
+    user_specified_javac=gcjx
+  ],
+  [ 
+    CLASSPATH_CHECK_GCJX
+  ])
+  AC_SUBST(GCJX)
+])
+
+dnl -----------------------------------------------------------
+AC_DEFUN([CLASSPATH_CHECK_GCJX],
+[
+  if test "x$1" != x; then
+    if test -f "$1"; then
+      GCJX="$1"
+    else
+      AC_PATH_PROG(GCJX, "$1")
+    fi
+  else
+    AC_PATH_PROG(GCJX, "gcjx")
+  fi
+])
+
+dnl -----------------------------------------------------------
+AC_DEFUN([CLASSPATH_WITH_JAVAH],
+[
+  AC_ARG_WITH([javah],
+	      [AS_HELP_STRING(--with-javah,specify path or name of a javah-like program)],
+  [
+    if test "x${withval}" != x && test "x${withval}" != xyes && test "x${withval}" != xno; then
+      CLASSPATH_CHECK_JAVAH(${withval})
+    else
+      CLASSPATH_CHECK_JAVAH
+    fi
+  ],
+  [ 
+    CLASSPATH_CHECK_JAVAH
+  ])
+  AM_CONDITIONAL(USER_SPECIFIED_JAVAH, test "x${USER_JAVAH}" != x)
+  AC_SUBST(USER_JAVAH)
+])
+
+dnl -----------------------------------------------------------
+dnl Checking for a javah like program 
+dnl -----------------------------------------------------------
+AC_DEFUN([CLASSPATH_CHECK_JAVAH],
+[
+  if test "x$1" != x; then
+    if test -f "$1"; then
+      USER_JAVAH="$1"
+    else
+      AC_PATH_PROG(USER_JAVAH, "$1")
+    fi
+  else
+    for javah_name in gcjh javah; do
+      AC_PATH_PROG(USER_JAVAH, "$javah_name")
+      if test "x${USER_JAVAH}" != x; then
+        break
+      fi
+    done
+  fi
+  
+#  if test "x${USER_JAVAH}" = x; then
+#    echo "configure: cannot find javah" 1>&2
+#    exit 1
+#  fi
+])
+
+dnl -----------------------------------------------------------
+dnl CLASSPATH_WITH_CLASSLIB - checks for user specified classpath additions
+dnl -----------------------------------------------------------
+AC_DEFUN([CLASSPATH_WITH_CLASSLIB],
+[
+  AC_ARG_WITH([classpath],
+	      [AS_HELP_STRING(--with-classpath,specify path to a classes.zip like file)],
+  [
+    if test "x${withval}" = xyes; then
+      # set user classpath to CLASSPATH from env
+      AC_MSG_CHECKING(for classlib)
+      USER_CLASSLIB=${CLASSPATH}
+      AC_SUBST(USER_CLASSLIB)
+      AC_MSG_RESULT(${USER_CLASSLIB})
+      conditional_with_classlib=true      
+    elif test "x${withval}" != x && test "x${withval}" != xno; then
+      # set user classpath to specified value
+      AC_MSG_CHECKING(for classlib)
+      USER_CLASSLIB=${withval}
+      AC_SUBST(USER_CLASSLIB)
+      AC_MSG_RESULT(${withval})
+      conditional_with_classlib=true
+    fi
+  ],
+  [ conditional_with_classlib=false ])
+  AM_CONDITIONAL(USER_SPECIFIED_CLASSLIB, test "x${conditional_with_classlib}" = xtrue)
+])
+
+dnl -----------------------------------------------------------
+dnl CLASSPATH_WITH_GLIBJ - specify what to install
+dnl -----------------------------------------------------------
+AC_DEFUN([CLASSPATH_WITH_GLIBJ],
+[
+  AC_ARG_WITH([glibj],
+              [AS_HELP_STRING([--with-glibj],[define what to install (zip|flat|both|none) [default=zip]])],
+              [
+                if test "x${withval}" = xyes || test "x${withval}" = xzip; then
+      		  AC_PATH_PROG(ZIP, zip)
+		  install_class_files=no
+		elif test "x${withval}" = xboth; then
+		  AC_PATH_PROG(ZIP, zip)
+		  install_class_files=yes
+		elif test "x${withval}" = xflat; then
+		  ZIP=
+		  install_class_files=yes
+                elif test "x${withval}" = xno || test "x${withval}" = xnone; then
+                  ZIP=
+		  install_class_files=no
+                else
+		  AC_MSG_ERROR([unknown value given to --with-glibj])
+                fi
+	      ],
+  	      [
+		AC_PATH_PROG(ZIP, zip)
+		install_class_files=no
+	      ])
+  AM_CONDITIONAL(INSTALL_GLIBJ_ZIP, test "x${ZIP}" != x)
+  AM_CONDITIONAL(INSTALL_CLASS_FILES, test "x${install_class_files}" = xyes)
+
+  AC_ARG_ENABLE([examples],
+		[AS_HELP_STRING(--enable-examples,enable build of the examples [default=yes])],
+		[case "${enableval}" in
+		  yes) EXAMPLESDIR="examples" ;;
+		  no) EXAMPLESDIR="" ;;
+		  *) AC_MSG_ERROR(bad value ${enableval} for --enable-examples) ;;
+		esac],
+		[EXAMPLESDIR="examples"])
+  if test "x${ZIP}" = x && test "x${install_class_files}" = xno; then
+    EXAMPLESDIR=""
+  fi
+  AC_SUBST(EXAMPLESDIR)
+])
+
+dnl -----------------------------------------------------------
+dnl Enable generation of API documentation, with gjdoc if it
+dnl has been compiled to an executable (or a suitable script
+dnl is in your PATH) or using the argument as gjdoc executable.
+dnl -----------------------------------------------------------
+AC_DEFUN([CLASSPATH_WITH_GJDOC],
+[
+  AC_ARG_WITH([gjdoc],
+              AS_HELP_STRING([--with-gjdoc],
+			     [generate documentation using gjdoc (default is NO)]),
+              [if test "x${withval}" = xno; then
+	         WITH_GJDOC=no;
+	       elif test "x${withval}" = xyes -o "x{withval}" = x; then
+	         WITH_GJDOC=yes;
+	         AC_PATH_PROG(GJDOC, gjdoc, "no")
+		 if test "x${GJDOC}" = xno; then
+		   AC_MSG_ERROR("gjdoc executable not found");
+		 fi
+	       else
+	         WITH_GJDOC=yes
+		 GJDOC="${withval}"
+		 AC_CHECK_FILE(${GJDOC}, AC_SUBST(GJDOC),
+		               AC_MSG_ERROR("Cannot use ${withval} as gjdoc executable since it doesn't exist"))
+	       fi],
+              [WITH_GJDOC=no])
+
+  AM_CONDITIONAL(CREATE_API_DOCS, test "x${WITH_GJDOC}" = xyes)
+])
+
+dnl -----------------------------------------------------------
+dnl Enable regeneration of parsers using jay
+dnl http://www.informatik.uni-osnabrueck.de/alumni/bernd/jay/
+dnl -----------------------------------------------------------
+AC_DEFUN([REGEN_WITH_JAY],
+[
+  AC_ARG_WITH([jay],
+              [AS_HELP_STRING(--with-jay,Regenerate the parsers with jay must be given the path to the jay executable)],
+  [
+    if test -d "${withval}"; then
+      JAY_DIR_PATH="${withval}"
+      AC_PATH_PROG(JAY, jay, "no", ${JAY_DIR_PATH})
+      if test "x${JAY}" = xno; then
+        AC_MSG_ERROR("jay executable not found");
+      fi
+    else
+      JAY_DIR_PATH=$(dirname "${withval}")
+      JAY="${withval}"
+      AC_SUBST(JAY)
+    fi
+    JAY_SKELETON="${JAY_DIR_PATH}/skeleton"
+    AC_CHECK_FILE(${JAY_SKELETON}, AC_SUBST(JAY_SKELETON),
+	AC_MSG_ERROR("Expected skeleton file in $(dirname ${withval})"))
+    JAY_FOUND=yes
+  ],
+  [
+    JAY_FOUND=no
+  ])
+  AM_CONDITIONAL(REGEN_PARSERS, test "x${JAY_FOUND}" = xyes)
+])
+
+dnl -----------------------------------------------------------
+AC_DEFUN([CLASSPATH_WITH_ECJ],
+[
+  AC_ARG_WITH([ecj],
+	      [AS_HELP_STRING(--with-ecj,bytecode compilation with ecj)],
+  [
+    if test "x${withval}" != x && test "x${withval}" != xyes && test "x${withval}" != xno; then
+      CLASSPATH_CHECK_ECJ(${withval})
+    else
+      if test "x${withval}" != xno; then
+        CLASSPATH_CHECK_ECJ
+      fi
+    fi
+    user_specified_javac=ecj
+  ],
+  [ 
+    CLASSPATH_CHECK_ECJ
+  ])
+  AC_SUBST(ECJ)
+])
+
+dnl -----------------------------------------------------------
+AC_DEFUN([CLASSPATH_CHECK_ECJ],
+[
+  if test "x$1" != x; then
+    if test -f "$1"; then
+      ECJ="$1"
+    else
+      AC_PATH_PROG(ECJ, "$1")
+    fi
+  else
+    AC_PATH_PROG(ECJ, "ecj")
+  fi
+])
diff --git a/m4/iconv.m4 b/m4/iconv.m4
new file mode 100644
index 000000000..c5f357982
--- /dev/null
+++ b/m4/iconv.m4
@@ -0,0 +1,103 @@
+# iconv.m4 serial AM4 (gettext-0.11.3)
+dnl Copyright (C) 2000-2002 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.
+
+dnl From Bruno Haible.
+
+AC_DEFUN([AM_ICONV_LINKFLAGS_BODY],
+[
+  dnl Prerequisites of AC_LIB_LINKFLAGS_BODY.
+  AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
+  AC_REQUIRE([AC_LIB_RPATH])
+
+  dnl Search for libiconv and define LIBICONV, LTLIBICONV and INCICONV
+  dnl accordingly.
+  AC_LIB_LINKFLAGS_BODY([iconv])
+])
+
+AC_DEFUN([AM_ICONV_LINK],
+[
+  dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and
+  dnl those with the standalone portable GNU libiconv installed).
+
+  dnl Search for libiconv and define LIBICONV, LTLIBICONV and INCICONV
+  dnl accordingly.
+  AC_REQUIRE([AM_ICONV_LINKFLAGS_BODY])
+
+  dnl Add $INCICONV to CPPFLAGS before performing the following checks,
+  dnl because if the user has installed libiconv and not disabled its use
+  dnl via --without-libiconv-prefix, he wants to use it. The first
+  dnl AC_TRY_LINK will then fail, the second AC_TRY_LINK will succeed.
+  am_save_CPPFLAGS="$CPPFLAGS"
+  AC_LIB_APPENDTOVAR([CPPFLAGS], [$INCICONV])
+
+  AC_CACHE_CHECK(for iconv, am_cv_func_iconv, [
+    am_cv_func_iconv="no, consider installing GNU libiconv"
+    am_cv_lib_iconv=no
+    AC_TRY_LINK([#include <stdlib.h>
+#include <iconv.h>],
+      [iconv_t cd = iconv_open("","");
+       iconv(cd,NULL,NULL,NULL,NULL);
+       iconv_close(cd);],
+      am_cv_func_iconv=yes)
+    if test "$am_cv_func_iconv" != yes; then
+      am_save_LIBS="$LIBS"
+      LIBS="$LIBS $LIBICONV"
+      AC_TRY_LINK([#include <stdlib.h>
+#include <iconv.h>],
+        [iconv_t cd = iconv_open("","");
+         iconv(cd,NULL,NULL,NULL,NULL);
+         iconv_close(cd);],
+        am_cv_lib_iconv=yes
+        am_cv_func_iconv=yes)
+      LIBS="$am_save_LIBS"
+    fi
+  ])
+  if test "$am_cv_func_iconv" = yes; then
+    AC_DEFINE(HAVE_ICONV, 1, [Define if you have the iconv() function.])
+  fi
+  if test "$am_cv_lib_iconv" = yes; then
+    AC_MSG_CHECKING([how to link with libiconv])
+    AC_MSG_RESULT([$LIBICONV])
+  else
+    dnl If $LIBICONV didn't lead to a usable library, we don't need $INCICONV
+    dnl either.
+    CPPFLAGS="$am_save_CPPFLAGS"
+    LIBICONV=
+    LTLIBICONV=
+  fi
+  AC_SUBST(LIBICONV)
+  AC_SUBST(LTLIBICONV)
+])
+
+AC_DEFUN([AM_ICONV],
+[
+  AM_ICONV_LINK
+  if test "$am_cv_func_iconv" = yes; then
+    AC_MSG_CHECKING([for iconv declaration])
+    AC_CACHE_VAL(am_cv_proto_iconv, [
+      AC_TRY_COMPILE([
+#include <stdlib.h>
+#include <iconv.h>
+extern
+#ifdef __cplusplus
+"C"
+#endif
+#if defined(__STDC__) || defined(__cplusplus)
+size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
+#else
+size_t iconv();
+#endif
+], [], am_cv_proto_iconv_arg1="", am_cv_proto_iconv_arg1="const")
+      am_cv_proto_iconv="extern size_t iconv (iconv_t cd, $am_cv_proto_iconv_arg1 char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);"])
+    am_cv_proto_iconv=`echo "[$]am_cv_proto_iconv" | tr -s ' ' | sed -e 's/( /(/'`
+    AC_MSG_RESULT([$]{ac_t:-
+         }[$]am_cv_proto_iconv)
+    AC_DEFINE_UNQUOTED(ICONV_CONST, $am_cv_proto_iconv_arg1,
+      [Define as const if the declaration of iconv() needs const.])
+  fi
+])
diff --git a/m4/lib-ld.m4 b/m4/lib-ld.m4
new file mode 100644
index 000000000..11d0ce773
--- /dev/null
+++ b/m4/lib-ld.m4
@@ -0,0 +1,110 @@
+# lib-ld.m4 serial 2 (gettext-0.12)
+dnl Copyright (C) 1996-2003 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License.  As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+dnl Subroutines of libtool.m4,
+dnl with replacements s/AC_/AC_LIB/ and s/lt_cv/acl_cv/ to avoid collision
+dnl with libtool.m4.
+
+dnl From libtool-1.4. Sets the variable with_gnu_ld to yes or no.
+AC_DEFUN([AC_LIB_PROG_LD_GNU],
+[AC_CACHE_CHECK([if the linker ($LD) is GNU ld], acl_cv_prog_gnu_ld,
+[# I'd rather use --version here, but apparently some GNU ld's only accept -v.
+if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
+  acl_cv_prog_gnu_ld=yes
+else
+  acl_cv_prog_gnu_ld=no
+fi])
+with_gnu_ld=$acl_cv_prog_gnu_ld
+])
+
+dnl From libtool-1.4. Sets the variable LD.
+AC_DEFUN([AC_LIB_PROG_LD],
+[AC_ARG_WITH(gnu-ld,
+[  --with-gnu-ld           assume the C compiler uses GNU ld [default=no]],
+test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no)
+AC_REQUIRE([AC_PROG_CC])dnl
+AC_REQUIRE([AC_CANONICAL_HOST])dnl
+# Prepare PATH_SEPARATOR.
+# The user is always right.
+if test "${PATH_SEPARATOR+set}" != set; then
+  echo "#! /bin/sh" >conf$$.sh
+  echo  "exit 0"   >>conf$$.sh
+  chmod +x conf$$.sh
+  if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then
+    PATH_SEPARATOR=';'
+  else
+    PATH_SEPARATOR=:
+  fi
+  rm -f conf$$.sh
+fi
+ac_prog=ld
+if test "$GCC" = yes; then
+  # Check if gcc -print-prog-name=ld gives a path.
+  AC_MSG_CHECKING([for ld used by GCC])
+  case $host in
+  *-*-mingw*)
+    # gcc leaves a trailing carriage return which upsets mingw
+    ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;;
+  *)
+    ac_prog=`($CC -print-prog-name=ld) 2>&5` ;;
+  esac
+  case $ac_prog in
+    # Accept absolute paths.
+    [[\\/]* | [A-Za-z]:[\\/]*)]
+      [re_direlt='/[^/][^/]*/\.\./']
+      # Canonicalize the path of ld
+      ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'`
+      while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do
+	ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"`
+      done
+      test -z "$LD" && LD="$ac_prog"
+      ;;
+  "")
+    # If it fails, then pretend we aren't using GCC.
+    ac_prog=ld
+    ;;
+  *)
+    # If it is relative, then search for the first ld in PATH.
+    with_gnu_ld=unknown
+    ;;
+  esac
+elif test "$with_gnu_ld" = yes; then
+  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.
+      if "$acl_cv_path_LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then
+	test "$with_gnu_ld" != no && break
+      else
+	test "$with_gnu_ld" != yes && break
+      fi
+    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
+])
diff --git a/m4/lib-link.m4 b/m4/lib-link.m4
new file mode 100644
index 000000000..eeb200d26
--- /dev/null
+++ b/m4/lib-link.m4
@@ -0,0 +1,551 @@
+# lib-link.m4 serial 4 (gettext-0.12)
+dnl Copyright (C) 2001-2003 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.
+
+dnl From Bruno Haible.
+
+dnl AC_LIB_LINKFLAGS(name [, dependencies]) searches for libname and
+dnl the libraries corresponding to explicit and implicit dependencies.
+dnl Sets and AC_SUBSTs the LIB${NAME} and LTLIB${NAME} variables and
+dnl augments the CPPFLAGS variable.
+AC_DEFUN([AC_LIB_LINKFLAGS],
+[
+  AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
+  AC_REQUIRE([AC_LIB_RPATH])
+  define([Name],[translit([$1],[./-], [___])])
+  define([NAME],[translit([$1],[abcdefghijklmnopqrstuvwxyz./-],
+                               [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])])
+  AC_CACHE_CHECK([how to link with lib[]$1], [ac_cv_lib[]Name[]_libs], [
+    AC_LIB_LINKFLAGS_BODY([$1], [$2])
+    ac_cv_lib[]Name[]_libs="$LIB[]NAME"
+    ac_cv_lib[]Name[]_ltlibs="$LTLIB[]NAME"
+    ac_cv_lib[]Name[]_cppflags="$INC[]NAME"
+  ])
+  LIB[]NAME="$ac_cv_lib[]Name[]_libs"
+  LTLIB[]NAME="$ac_cv_lib[]Name[]_ltlibs"
+  INC[]NAME="$ac_cv_lib[]Name[]_cppflags"
+  AC_LIB_APPENDTOVAR([CPPFLAGS], [$INC]NAME)
+  AC_SUBST([LIB]NAME)
+  AC_SUBST([LTLIB]NAME)
+  dnl Also set HAVE_LIB[]NAME so that AC_LIB_HAVE_LINKFLAGS can reuse the
+  dnl results of this search when this library appears as a dependency.
+  HAVE_LIB[]NAME=yes
+  undefine([Name])
+  undefine([NAME])
+])
+
+dnl AC_LIB_HAVE_LINKFLAGS(name, dependencies, includes, testcode)
+dnl searches for libname and the libraries corresponding to explicit and
+dnl implicit dependencies, together with the specified include files and
+dnl the ability to compile and link the specified testcode. If found, it
+dnl sets and AC_SUBSTs HAVE_LIB${NAME}=yes and the LIB${NAME} and
+dnl LTLIB${NAME} variables and augments the CPPFLAGS variable, and
+dnl #defines HAVE_LIB${NAME} to 1. Otherwise, it sets and AC_SUBSTs
+dnl HAVE_LIB${NAME}=no and LIB${NAME} and LTLIB${NAME} to empty.
+AC_DEFUN([AC_LIB_HAVE_LINKFLAGS],
+[
+  AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
+  AC_REQUIRE([AC_LIB_RPATH])
+  define([Name],[translit([$1],[./-], [___])])
+  define([NAME],[translit([$1],[abcdefghijklmnopqrstuvwxyz./-],
+                               [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])])
+
+  dnl Search for lib[]Name and define LIB[]NAME, LTLIB[]NAME and INC[]NAME
+  dnl accordingly.
+  AC_LIB_LINKFLAGS_BODY([$1], [$2])
+
+  dnl Add $INC[]NAME to CPPFLAGS before performing the following checks,
+  dnl because if the user has installed lib[]Name and not disabled its use
+  dnl via --without-lib[]Name-prefix, he wants to use it.
+  ac_save_CPPFLAGS="$CPPFLAGS"
+  AC_LIB_APPENDTOVAR([CPPFLAGS], [$INC]NAME)
+
+  AC_CACHE_CHECK([for lib[]$1], [ac_cv_lib[]Name], [
+    ac_save_LIBS="$LIBS"
+    LIBS="$LIBS $LIB[]NAME"
+    AC_TRY_LINK([$3], [$4], [ac_cv_lib[]Name=yes], [ac_cv_lib[]Name=no])
+    LIBS="$ac_save_LIBS"
+  ])
+  if test "$ac_cv_lib[]Name" = yes; then
+    HAVE_LIB[]NAME=yes
+    AC_DEFINE([HAVE_LIB]NAME, 1, [Define if you have the $1 library.])
+    AC_MSG_CHECKING([how to link with lib[]$1])
+    AC_MSG_RESULT([$LIB[]NAME])
+  else
+    HAVE_LIB[]NAME=no
+    dnl If $LIB[]NAME didn't lead to a usable library, we don't need
+    dnl $INC[]NAME either.
+    CPPFLAGS="$ac_save_CPPFLAGS"
+    LIB[]NAME=
+    LTLIB[]NAME=
+  fi
+  AC_SUBST([HAVE_LIB]NAME)
+  AC_SUBST([LIB]NAME)
+  AC_SUBST([LTLIB]NAME)
+  undefine([Name])
+  undefine([NAME])
+])
+
+dnl Determine the platform dependent parameters needed to use rpath:
+dnl libext, shlibext, hardcode_libdir_flag_spec, hardcode_libdir_separator,
+dnl hardcode_direct, hardcode_minus_L.
+AC_DEFUN([AC_LIB_RPATH],
+[
+  AC_REQUIRE([AC_PROG_CC])                dnl we use $CC, $GCC, $LDFLAGS
+  AC_REQUIRE([AC_LIB_PROG_LD])            dnl we use $LD, $with_gnu_ld
+  AC_REQUIRE([AC_CANONICAL_HOST])         dnl we use $host
+  AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT]) dnl we use $ac_aux_dir
+  AC_CACHE_CHECK([for shared library run path origin], acl_cv_rpath, [
+    CC="$CC" GCC="$GCC" LDFLAGS="$LDFLAGS" LD="$LD" with_gnu_ld="$with_gnu_ld" \
+    ${CONFIG_SHELL-/bin/sh} "$ac_aux_dir/config.rpath" "$host" > conftest.sh
+    . ./conftest.sh
+    rm -f ./conftest.sh
+    acl_cv_rpath=done
+  ])
+  wl="$acl_cv_wl"
+  libext="$acl_cv_libext"
+  shlibext="$acl_cv_shlibext"
+  hardcode_libdir_flag_spec="$acl_cv_hardcode_libdir_flag_spec"
+  hardcode_libdir_separator="$acl_cv_hardcode_libdir_separator"
+  hardcode_direct="$acl_cv_hardcode_direct"
+  hardcode_minus_L="$acl_cv_hardcode_minus_L"
+  dnl Determine whether the user wants rpath handling at all.
+  AC_ARG_ENABLE(rpath,
+    [  --disable-rpath         do not hardcode runtime library paths],
+    :, enable_rpath=yes)
+])
+
+dnl AC_LIB_LINKFLAGS_BODY(name [, dependencies]) searches for libname and
+dnl the libraries corresponding to explicit and implicit dependencies.
+dnl Sets the LIB${NAME}, LTLIB${NAME} and INC${NAME} variables.
+AC_DEFUN([AC_LIB_LINKFLAGS_BODY],
+[
+  define([NAME],[translit([$1],[abcdefghijklmnopqrstuvwxyz./-],
+                               [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])])
+  dnl By default, look in $includedir and $libdir.
+  use_additional=yes
+  AC_LIB_WITH_FINAL_PREFIX([
+    eval additional_includedir=\"$includedir\"
+    eval additional_libdir=\"$libdir\"
+  ])
+  AC_LIB_ARG_WITH([lib$1-prefix],
+[  --with-lib$1-prefix[=DIR]  search for lib$1 in DIR/include and DIR/lib
+  --without-lib$1-prefix     don't search for lib$1 in includedir and libdir],
+[
+    if test "X$withval" = "Xno"; then
+      use_additional=no
+    else
+      if test "X$withval" = "X"; then
+        AC_LIB_WITH_FINAL_PREFIX([
+          eval additional_includedir=\"$includedir\"
+          eval additional_libdir=\"$libdir\"
+        ])
+      else
+        additional_includedir="$withval/include"
+        additional_libdir="$withval/lib"
+      fi
+    fi
+])
+  dnl Search the library and its dependencies in $additional_libdir and
+  dnl $LDFLAGS. Using breadth-first-seach.
+  LIB[]NAME=
+  LTLIB[]NAME=
+  INC[]NAME=
+  rpathdirs=
+  ltrpathdirs=
+  names_already_handled=
+  names_next_round='$1 $2'
+  while test -n "$names_next_round"; do
+    names_this_round="$names_next_round"
+    names_next_round=
+    for name in $names_this_round; do
+      already_handled=
+      for n in $names_already_handled; do
+        if test "$n" = "$name"; then
+          already_handled=yes
+          break
+        fi
+      done
+      if test -z "$already_handled"; then
+        names_already_handled="$names_already_handled $name"
+        dnl See if it was already located by an earlier AC_LIB_LINKFLAGS
+        dnl or AC_LIB_HAVE_LINKFLAGS call.
+        uppername=`echo "$name" | sed -e 'y|abcdefghijklmnopqrstuvwxyz./-|ABCDEFGHIJKLMNOPQRSTUVWXYZ___|'`
+        eval value=\"\$HAVE_LIB$uppername\"
+        if test -n "$value"; then
+          if test "$value" = yes; then
+            eval value=\"\$LIB$uppername\"
+            test -z "$value" || LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$value"
+            eval value=\"\$LTLIB$uppername\"
+            test -z "$value" || LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }$value"
+          else
+            dnl An earlier call to AC_LIB_HAVE_LINKFLAGS has determined
+            dnl that this library doesn't exist. So just drop it.
+            :
+          fi
+        else
+          dnl Search the library lib$name in $additional_libdir and $LDFLAGS
+          dnl and the already constructed $LIBNAME/$LTLIBNAME.
+          found_dir=
+          found_la=
+          found_so=
+          found_a=
+          if test $use_additional = yes; then
+            if test -n "$shlibext" && test -f "$additional_libdir/lib$name.$shlibext"; then
+              found_dir="$additional_libdir"
+              found_so="$additional_libdir/lib$name.$shlibext"
+              if test -f "$additional_libdir/lib$name.la"; then
+                found_la="$additional_libdir/lib$name.la"
+              fi
+            else
+              if test -f "$additional_libdir/lib$name.$libext"; then
+                found_dir="$additional_libdir"
+                found_a="$additional_libdir/lib$name.$libext"
+                if test -f "$additional_libdir/lib$name.la"; then
+                  found_la="$additional_libdir/lib$name.la"
+                fi
+              fi
+            fi
+          fi
+          if test "X$found_dir" = "X"; then
+            for x in $LDFLAGS $LTLIB[]NAME; do
+              AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
+              case "$x" in
+                -L*)
+                  dir=`echo "X$x" | sed -e 's/^X-L//'`
+                  if test -n "$shlibext" && test -f "$dir/lib$name.$shlibext"; then
+                    found_dir="$dir"
+                    found_so="$dir/lib$name.$shlibext"
+                    if test -f "$dir/lib$name.la"; then
+                      found_la="$dir/lib$name.la"
+                    fi
+                  else
+                    if test -f "$dir/lib$name.$libext"; then
+                      found_dir="$dir"
+                      found_a="$dir/lib$name.$libext"
+                      if test -f "$dir/lib$name.la"; then
+                        found_la="$dir/lib$name.la"
+                      fi
+                    fi
+                  fi
+                  ;;
+              esac
+              if test "X$found_dir" != "X"; then
+                break
+              fi
+            done
+          fi
+          if test "X$found_dir" != "X"; then
+            dnl Found the library.
+            LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-L$found_dir -l$name"
+            if test "X$found_so" != "X"; then
+              dnl Linking with a shared library. We attempt to hardcode its
+              dnl directory into the executable's runpath, unless it's the
+              dnl standard /usr/lib.
+              if test "$enable_rpath" = no || test "X$found_dir" = "X/usr/lib"; then
+                dnl No hardcoding is needed.
+                LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so"
+              else
+                dnl Use an explicit option to hardcode DIR into the resulting
+                dnl binary.
+                dnl Potentially add DIR to ltrpathdirs.
+                dnl The ltrpathdirs will be appended to $LTLIBNAME at the end.
+                haveit=
+                for x in $ltrpathdirs; do
+                  if test "X$x" = "X$found_dir"; then
+                    haveit=yes
+                    break
+                  fi
+                done
+                if test -z "$haveit"; then
+                  ltrpathdirs="$ltrpathdirs $found_dir"
+                fi
+                dnl The hardcoding into $LIBNAME is system dependent.
+                if test "$hardcode_direct" = yes; then
+                  dnl Using DIR/libNAME.so during linking hardcodes DIR into the
+                  dnl resulting binary.
+                  LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so"
+                else
+                  if test -n "$hardcode_libdir_flag_spec" && test "$hardcode_minus_L" = no; then
+                    dnl Use an explicit option to hardcode DIR into the resulting
+                    dnl binary.
+                    LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so"
+                    dnl Potentially add DIR to rpathdirs.
+                    dnl The rpathdirs will be appended to $LIBNAME at the end.
+                    haveit=
+                    for x in $rpathdirs; do
+                      if test "X$x" = "X$found_dir"; then
+                        haveit=yes
+                        break
+                      fi
+                    done
+                    if test -z "$haveit"; then
+                      rpathdirs="$rpathdirs $found_dir"
+                    fi
+                  else
+                    dnl Rely on "-L$found_dir".
+                    dnl But don't add it if it's already contained in the LDFLAGS
+                    dnl or the already constructed $LIBNAME
+                    haveit=
+                    for x in $LDFLAGS $LIB[]NAME; do
+                      AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
+                      if test "X$x" = "X-L$found_dir"; then
+                        haveit=yes
+                        break
+                      fi
+                    done
+                    if test -z "$haveit"; then
+                      LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$found_dir"
+                    fi
+                    if test "$hardcode_minus_L" != no; then
+                      dnl FIXME: Not sure whether we should use
+                      dnl "-L$found_dir -l$name" or "-L$found_dir $found_so"
+                      dnl here.
+                      LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so"
+                    else
+                      dnl We cannot use $hardcode_runpath_var and LD_RUN_PATH
+                      dnl here, because this doesn't fit in flags passed to the
+                      dnl compiler. So give up. No hardcoding. This affects only
+                      dnl very old systems.
+                      dnl FIXME: Not sure whether we should use
+                      dnl "-L$found_dir -l$name" or "-L$found_dir $found_so"
+                      dnl here.
+                      LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-l$name"
+                    fi
+                  fi
+                fi
+              fi
+            else
+              if test "X$found_a" != "X"; then
+                dnl Linking with a static library.
+                LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_a"
+              else
+                dnl We shouldn't come here, but anyway it's good to have a
+                dnl fallback.
+                LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$found_dir -l$name"
+              fi
+            fi
+            dnl Assume the include files are nearby.
+            additional_includedir=
+            case "$found_dir" in
+              */lib | */lib/)
+                basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e 's,/lib/*$,,'`
+                additional_includedir="$basedir/include"
+                ;;
+            esac
+            if test "X$additional_includedir" != "X"; then
+              dnl Potentially add $additional_includedir to $INCNAME.
+              dnl But don't add it
+              dnl   1. if it's the standard /usr/include,
+              dnl   2. if it's /usr/local/include and we are using GCC on Linux,
+              dnl   3. if it's already present in $CPPFLAGS or the already
+              dnl      constructed $INCNAME,
+              dnl   4. if it doesn't exist as a directory.
+              if test "X$additional_includedir" != "X/usr/include"; then
+                haveit=
+                if test "X$additional_includedir" = "X/usr/local/include"; then
+                  if test -n "$GCC"; then
+                    case $host_os in
+                      linux*) haveit=yes;;
+                    esac
+                  fi
+                fi
+                if test -z "$haveit"; then
+                  for x in $CPPFLAGS $INC[]NAME; do
+                    AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
+                    if test "X$x" = "X-I$additional_includedir"; then
+                      haveit=yes
+                      break
+                    fi
+                  done
+                  if test -z "$haveit"; then
+                    if test -d "$additional_includedir"; then
+                      dnl Really add $additional_includedir to $INCNAME.
+                      INC[]NAME="${INC[]NAME}${INC[]NAME:+ }-I$additional_includedir"
+                    fi
+                  fi
+                fi
+              fi
+            fi
+            dnl Look for dependencies.
+            if test -n "$found_la"; then
+              dnl Read the .la file. It defines the variables
+              dnl dlname, library_names, old_library, dependency_libs, current,
+              dnl age, revision, installed, dlopen, dlpreopen, libdir.
+              save_libdir="$libdir"
+              case "$found_la" in
+                */* | *\\*) . "$found_la" ;;
+                *) . "./$found_la" ;;
+              esac
+              libdir="$save_libdir"
+              dnl We use only dependency_libs.
+              for dep in $dependency_libs; do
+                case "$dep" in
+                  -L*)
+                    additional_libdir=`echo "X$dep" | sed -e 's/^X-L//'`
+                    dnl Potentially add $additional_libdir to $LIBNAME and $LTLIBNAME.
+                    dnl But don't add it
+                    dnl   1. if it's the standard /usr/lib,
+                    dnl   2. if it's /usr/local/lib and we are using GCC on Linux,
+                    dnl   3. if it's already present in $LDFLAGS or the already
+                    dnl      constructed $LIBNAME,
+                    dnl   4. if it doesn't exist as a directory.
+                    if test "X$additional_libdir" != "X/usr/lib"; then
+                      haveit=
+                      if test "X$additional_libdir" = "X/usr/local/lib"; then
+                        if test -n "$GCC"; then
+                          case $host_os in
+                            linux*) haveit=yes;;
+                          esac
+                        fi
+                      fi
+                      if test -z "$haveit"; then
+                        haveit=
+                        for x in $LDFLAGS $LIB[]NAME; do
+                          AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
+                          if test "X$x" = "X-L$additional_libdir"; then
+                            haveit=yes
+                            break
+                          fi
+                        done
+                        if test -z "$haveit"; then
+                          if test -d "$additional_libdir"; then
+                            dnl Really add $additional_libdir to $LIBNAME.
+                            LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$additional_libdir"
+                          fi
+                        fi
+                        haveit=
+                        for x in $LDFLAGS $LTLIB[]NAME; do
+                          AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
+                          if test "X$x" = "X-L$additional_libdir"; then
+                            haveit=yes
+                            break
+                          fi
+                        done
+                        if test -z "$haveit"; then
+                          if test -d "$additional_libdir"; then
+                            dnl Really add $additional_libdir to $LTLIBNAME.
+                            LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-L$additional_libdir"
+                          fi
+                        fi
+                      fi
+                    fi
+                    ;;
+                  -R*)
+                    dir=`echo "X$dep" | sed -e 's/^X-R//'`
+                    if test "$enable_rpath" != no; then
+                      dnl Potentially add DIR to rpathdirs.
+                      dnl The rpathdirs will be appended to $LIBNAME at the end.
+                      haveit=
+                      for x in $rpathdirs; do
+                        if test "X$x" = "X$dir"; then
+                          haveit=yes
+                          break
+                        fi
+                      done
+                      if test -z "$haveit"; then
+                        rpathdirs="$rpathdirs $dir"
+                      fi
+                      dnl Potentially add DIR to ltrpathdirs.
+                      dnl The ltrpathdirs will be appended to $LTLIBNAME at the end.
+                      haveit=
+                      for x in $ltrpathdirs; do
+                        if test "X$x" = "X$dir"; then
+                          haveit=yes
+                          break
+                        fi
+                      done
+                      if test -z "$haveit"; then
+                        ltrpathdirs="$ltrpathdirs $dir"
+                      fi
+                    fi
+                    ;;
+                  -l*)
+                    dnl Handle this in the next round.
+                    names_next_round="$names_next_round "`echo "X$dep" | sed -e 's/^X-l//'`
+                    ;;
+                  *.la)
+                    dnl Handle this in the next round. Throw away the .la's
+                    dnl directory; it is already contained in a preceding -L
+                    dnl option.
+                    names_next_round="$names_next_round "`echo "X$dep" | sed -e 's,^X.*/,,' -e 's,^lib,,' -e 's,\.la$,,'`
+                    ;;
+                  *)
+                    dnl Most likely an immediate library name.
+                    LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$dep"
+                    LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }$dep"
+                    ;;
+                esac
+              done
+            fi
+          else
+            dnl Didn't find the library; assume it is in the system directories
+            dnl known to the linker and runtime loader. (All the system
+            dnl directories known to the linker should also be known to the
+            dnl runtime loader, otherwise the system is severely misconfigured.)
+            LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-l$name"
+            LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-l$name"
+          fi
+        fi
+      fi
+    done
+  done
+  if test "X$rpathdirs" != "X"; then
+    if test -n "$hardcode_libdir_separator"; then
+      dnl Weird platform: only the last -rpath option counts, the user must
+      dnl pass all path elements in one option. We can arrange that for a
+      dnl single library, but not when more than one $LIBNAMEs are used.
+      alldirs=
+      for found_dir in $rpathdirs; do
+        alldirs="${alldirs}${alldirs:+$hardcode_libdir_separator}$found_dir"
+      done
+      dnl Note: hardcode_libdir_flag_spec uses $libdir and $wl.
+      acl_save_libdir="$libdir"
+      libdir="$alldirs"
+      eval flag=\"$hardcode_libdir_flag_spec\"
+      libdir="$acl_save_libdir"
+      LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$flag"
+    else
+      dnl The -rpath options are cumulative.
+      for found_dir in $rpathdirs; do
+        acl_save_libdir="$libdir"
+        libdir="$found_dir"
+        eval flag=\"$hardcode_libdir_flag_spec\"
+        libdir="$acl_save_libdir"
+        LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$flag"
+      done
+    fi
+  fi
+  if test "X$ltrpathdirs" != "X"; then
+    dnl When using libtool, the option that works for both libraries and
+    dnl executables is -R. The -R options are cumulative.
+    for found_dir in $ltrpathdirs; do
+      LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-R$found_dir"
+    done
+  fi
+])
+
+dnl AC_LIB_APPENDTOVAR(VAR, CONTENTS) appends the elements of CONTENTS to VAR,
+dnl unless already present in VAR.
+dnl Works only for CPPFLAGS, not for LIB* variables because that sometimes
+dnl contains two or three consecutive elements that belong together.
+AC_DEFUN([AC_LIB_APPENDTOVAR],
+[
+  for element in [$2]; do
+    haveit=
+    for x in $[$1]; do
+      AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
+      if test "X$x" = "X$element"; then
+        haveit=yes
+        break
+      fi
+    done
+    if test -z "$haveit"; then
+      [$1]="${[$1]}${[$1]:+ }$element"
+    fi
+  done
+])
diff --git a/m4/lib-prefix.m4 b/m4/lib-prefix.m4
new file mode 100644
index 000000000..c719bc809
--- /dev/null
+++ b/m4/lib-prefix.m4
@@ -0,0 +1,155 @@
+# lib-prefix.m4 serial 2 (gettext-0.12)
+dnl Copyright (C) 2001-2003 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.
+
+dnl From Bruno Haible.
+
+dnl AC_LIB_ARG_WITH is synonymous to AC_ARG_WITH in autoconf-2.13, and
+dnl similar to AC_ARG_WITH in autoconf 2.52...2.57 except that is doesn't
+dnl require excessive bracketing.
+ifdef([AC_HELP_STRING],
+[AC_DEFUN([AC_LIB_ARG_WITH], [AC_ARG_WITH([$1],[[$2]],[$3],[$4])])],
+[AC_DEFUN([AC_LIB_ARG_WITH], [AC_ARG_WITH([$1],[$2],[$3],[$4])])])
+
+dnl AC_LIB_PREFIX adds to the CPPFLAGS and LDFLAGS the flags that are needed
+dnl to access previously installed libraries. The basic assumption is that
+dnl a user will want packages to use other packages he previously installed
+dnl with the same --prefix option.
+dnl This macro is not needed if only AC_LIB_LINKFLAGS is used to locate
+dnl libraries, but is otherwise very convenient.
+AC_DEFUN([AC_LIB_PREFIX],
+[
+  AC_BEFORE([$0], [AC_LIB_LINKFLAGS])
+  AC_REQUIRE([AC_PROG_CC])
+  AC_REQUIRE([AC_CANONICAL_HOST])
+  AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
+  dnl By default, look in $includedir and $libdir.
+  use_additional=yes
+  AC_LIB_WITH_FINAL_PREFIX([
+    eval additional_includedir=\"$includedir\"
+    eval additional_libdir=\"$libdir\"
+  ])
+  AC_LIB_ARG_WITH([lib-prefix],
+[  --with-lib-prefix[=DIR] search for libraries in DIR/include and DIR/lib
+  --without-lib-prefix    don't search for libraries in includedir and libdir],
+[
+    if test "X$withval" = "Xno"; then
+      use_additional=no
+    else
+      if test "X$withval" = "X"; then
+        AC_LIB_WITH_FINAL_PREFIX([
+          eval additional_includedir=\"$includedir\"
+          eval additional_libdir=\"$libdir\"
+        ])
+      else
+        additional_includedir="$withval/include"
+        additional_libdir="$withval/lib"
+      fi
+    fi
+])
+  if test $use_additional = yes; then
+    dnl Potentially add $additional_includedir to $CPPFLAGS.
+    dnl But don't add it
+    dnl   1. if it's the standard /usr/include,
+    dnl   2. if it's already present in $CPPFLAGS,
+    dnl   3. if it's /usr/local/include and we are using GCC on Linux,
+    dnl   4. if it doesn't exist as a directory.
+    if test "X$additional_includedir" != "X/usr/include"; then
+      haveit=
+      for x in $CPPFLAGS; do
+        AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
+        if test "X$x" = "X-I$additional_includedir"; then
+          haveit=yes
+          break
+        fi
+      done
+      if test -z "$haveit"; then
+        if test "X$additional_includedir" = "X/usr/local/include"; then
+          if test -n "$GCC"; then
+            case $host_os in
+              linux*) haveit=yes;;
+            esac
+          fi
+        fi
+        if test -z "$haveit"; then
+          if test -d "$additional_includedir"; then
+            dnl Really add $additional_includedir to $CPPFLAGS.
+            CPPFLAGS="${CPPFLAGS}${CPPFLAGS:+ }-I$additional_includedir"
+          fi
+        fi
+      fi
+    fi
+    dnl Potentially add $additional_libdir to $LDFLAGS.
+    dnl But don't add it
+    dnl   1. if it's the standard /usr/lib,
+    dnl   2. if it's already present in $LDFLAGS,
+    dnl   3. if it's /usr/local/lib and we are using GCC on Linux,
+    dnl   4. if it doesn't exist as a directory.
+    if test "X$additional_libdir" != "X/usr/lib"; then
+      haveit=
+      for x in $LDFLAGS; do
+        AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
+        if test "X$x" = "X-L$additional_libdir"; then
+          haveit=yes
+          break
+        fi
+      done
+      if test -z "$haveit"; then
+        if test "X$additional_libdir" = "X/usr/local/lib"; then
+          if test -n "$GCC"; then
+            case $host_os in
+              linux*) haveit=yes;;
+            esac
+          fi
+        fi
+        if test -z "$haveit"; then
+          if test -d "$additional_libdir"; then
+            dnl Really add $additional_libdir to $LDFLAGS.
+            LDFLAGS="${LDFLAGS}${LDFLAGS:+ }-L$additional_libdir"
+          fi
+        fi
+      fi
+    fi
+  fi
+])
+
+dnl AC_LIB_PREPARE_PREFIX creates variables acl_final_prefix,
+dnl acl_final_exec_prefix, containing the values to which $prefix and
+dnl $exec_prefix will expand at the end of the configure script.
+AC_DEFUN([AC_LIB_PREPARE_PREFIX],
+[
+  dnl Unfortunately, prefix and exec_prefix get only finally determined
+  dnl at the end of configure.
+  if test "X$prefix" = "XNONE"; then
+    acl_final_prefix="$ac_default_prefix"
+  else
+    acl_final_prefix="$prefix"
+  fi
+  if test "X$exec_prefix" = "XNONE"; then
+    acl_final_exec_prefix='${prefix}'
+  else
+    acl_final_exec_prefix="$exec_prefix"
+  fi
+  acl_save_prefix="$prefix"
+  prefix="$acl_final_prefix"
+  eval acl_final_exec_prefix=\"$acl_final_exec_prefix\"
+  prefix="$acl_save_prefix"
+])
+
+dnl AC_LIB_WITH_FINAL_PREFIX([statement]) evaluates statement, with the
+dnl variables prefix and exec_prefix bound to the values they will have
+dnl at the end of the configure script.
+AC_DEFUN([AC_LIB_WITH_FINAL_PREFIX],
+[
+  acl_save_prefix="$prefix"
+  prefix="$acl_final_prefix"
+  acl_save_exec_prefix="$exec_prefix"
+  exec_prefix="$acl_final_exec_prefix"
+  $1
+  exec_prefix="$acl_save_exec_prefix"
+  prefix="$acl_save_prefix"
+])
diff --git a/m4/pkg.m4 b/m4/pkg.m4
new file mode 100644
index 000000000..f2bfc2d49
--- /dev/null
+++ b/m4/pkg.m4
@@ -0,0 +1,57 @@
+
+dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
+dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
+dnl also defines GSTUFF_PKG_ERRORS on error
+AC_DEFUN([PKG_CHECK_MODULES], [
+  succeeded=no
+
+  if test -z "$PKG_CONFIG"; then
+    AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
+  fi
+
+  if test "$PKG_CONFIG" = "no" ; then
+     echo "*** The pkg-config script could not be found. Make sure it is"
+     echo "*** in your path, or set the PKG_CONFIG environment variable"
+     echo "*** to the full path to pkg-config."
+     echo "*** Or see http://www.freedesktop.org/software/pkgconfig to get pkg-config."
+  else
+     PKG_CONFIG_MIN_VERSION=0.9.0
+     if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
+        AC_MSG_CHECKING(for $2)
+
+        if $PKG_CONFIG --exists "$2" ; then
+            AC_MSG_RESULT(yes)
+            succeeded=yes
+
+            AC_MSG_CHECKING($1_CFLAGS)
+            $1_CFLAGS=`$PKG_CONFIG --cflags "$2"`
+            AC_MSG_RESULT($$1_CFLAGS)
+
+            AC_MSG_CHECKING($1_LIBS)
+            $1_LIBS=`$PKG_CONFIG --libs "$2"`
+            AC_MSG_RESULT($$1_LIBS)
+        else
+            $1_CFLAGS=""
+            $1_LIBS=""
+            ## If we have a custom action on failure, don't print errors, but 
+            ## do set a variable so people can do so.
+            $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
+            ifelse([$4], ,echo $$1_PKG_ERRORS,)
+        fi
+
+        AC_SUBST($1_CFLAGS)
+        AC_SUBST($1_LIBS)
+     else
+        echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
+        echo "*** See http://www.freedesktop.org/software/pkgconfig"
+     fi
+  fi
+
+  if test $succeeded = yes; then
+     ifelse([$3], , :, [$3])
+  else
+     ifelse([$4], , AC_MSG_ERROR([Library requirements ($2) not met; consider adjusting the PKG_CONFIG_PATH environment variable if your libraries are in a nonstandard prefix so pkg-config can find them.]), [$4])
+  fi
+])
+
+