Code update for Window Maker version 0.50.0

Read changes in ChangeLog and NEWS

aclocal.m4

@@ -111,6 +111,116 @@ else
 fi
 AC_SUBST($1)])
 
+
+# serial 9 AM_PROG_LIBTOOL
+AC_DEFUN(AM_PROG_LIBTOOL,
+[AC_REQUIRE([AC_CANONICAL_HOST])
+AC_REQUIRE([AC_PROG_CC])
+AC_REQUIRE([AC_PROG_RANLIB])
+AC_REQUIRE([AM_PROG_LD])
+AC_REQUIRE([AC_PROG_LN_S])
+
+# Always use our own libtool.
+LIBTOOL='$(top_builddir)/libtool'
+AC_SUBST(LIBTOOL)
+
+dnl Allow the --disable-shared flag to stop us from building shared libs.
+AC_ARG_ENABLE(shared,
+[  --enable-shared         build shared libraries [default=yes]],
+test "$enableval" = no && libtool_shared=" --disable-shared",
+libtool_shared=)
+
+dnl Allow the --disable-static flag to stop us from building static libs.
+AC_ARG_ENABLE(static,
+[  --enable-static         build static libraries [default=yes]],
+test "$enableval" = no && libtool_static=" --disable-static",
+libtool_static=)
+
+libtool_flags="$libtool_shared$libtool_static"
+test "$silent" = yes && libtool_flags="$libtool_flags --silent"
+test "$ac_cv_prog_gcc" = yes && libtool_flags="$libtool_flags --with-gcc"
+test "$ac_cv_prog_gnu_ld" = yes && libtool_flags="$libtool_flags --with-gnu-ld"
+
+# Some flags need to be propagated to the compiler or linker for good
+# libtool support.
+[case "$host" in
+*-*-irix6*)
+  for f in '-32' '-64' '-cckr' '-n32' '-mips1' '-mips2' '-mips3' '-mips4'; do
+    if echo " $CC $CFLAGS " | egrep -e "[ 	]$f[	 ]" > /dev/null; then
+      LD="${LD-ld} $f"
+    fi
+  done
+  ;;
+
+*-*-sco3.2v5*)
+  # On SCO OpenServer 5, we need -belf to get full-featured binaries.
+  CFLAGS="$CFLAGS -belf"
+  ;;
+esac]
+
+# Actually configure libtool.  ac_aux_dir is where install-sh is found.
+CC="$CC" CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS" \
+LD="$LD" RANLIB="$RANLIB" LN_S="$LN_S" \
+${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig \
+$libtool_flags --no-verify $ac_aux_dir/ltmain.sh $host \
+|| AC_MSG_ERROR([libtool configure failed])
+])
+
+# AM_PROG_LD - find the path to the GNU or non-GNU linker
+AC_DEFUN(AM_PROG_LD,
+[AC_ARG_WITH(gnu-ld,
+[  --with-gnu-ld           assume the C compiler uses GNU ld [default=no]],
+test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no)
+if test "$with_gnu_ld" = yes; then
+  AC_MSG_CHECKING([for GNU ld])
+else
+  AC_MSG_CHECKING([for non-GNU ld])
+fi
+AC_CACHE_VAL(ac_cv_path_LD,
+[case "$LD" in
+  /*)
+  ac_cv_path_LD="$LD" # Let the user override the test with a path.
+  ;;
+  *)
+  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:"
+  for ac_dir in $PATH; do
+    test -z "$ac_dir" && ac_dir=.
+    if test -f "$ac_dir/ld"; then
+      ac_cv_path_LD="$ac_dir/ld"
+      # 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 "$ac_cv_path_LD" -v 2>&1 < /dev/null | egrep '(GNU ld|with BFD)' > /dev/null; then
+	test "$with_gnu_ld" = yes && break
+      else
+        test "$with_gnu_ld" != yes && break
+      fi
+    fi
+  done
+  IFS="$ac_save_ifs"
+  ;;
+esac])
+LD="$ac_cv_path_LD"
+if test -n "$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_SUBST(LD)
+AM_PROG_LD_GNU
+])
+
+AC_DEFUN(AM_PROG_LD_GNU,
+[AC_CACHE_CHECK([whether we are using GNU ld], ac_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 ld|with BFD)' > /dev/null; then
+  ac_cv_prog_gnu_ld=yes
+else
+  ac_cv_prog_gnu_ld=no
+fi])
+])
+
 # Like AC_CONFIG_HEADER, but automatically create stamp file.
 
 AC_DEFUN(AM_CONFIG_HEADER,