add patch by Sergey Kosukhin to work with BSD and GNU seds

maint/libtool.m4.hardcoded.patch

@@ -5,8 +5,8 @@
      fi
    fi
 +  m4_ifval([$1],
-+    [_LT_TAGVAR(archive_cmds, $1)=`AS_ECHO(["$_LT_TAGVAR(archive_cmds, $1)"]) | sed 's%\(\\\\\)\?\$CC%\\${FC:-\1$CC}%g'`
-+    _LT_TAGVAR(archive_expsym_cmds, $1)=`AS_ECHO(["$_LT_TAGVAR(archive_expsym_cmds, $1)"]) | sed 's%\(\\\\\)\?\$CC%\\${FC:-\1$CC}%g'`])
++    [_LT_TAGVAR(archive_cmds, $1)=`AS_ECHO(["$_LT_TAGVAR(archive_cmds, $1)"]) | sed 's%\(\\\\\)*$CC%\1${$1:-\1$CC}%g'`
++    _LT_TAGVAR(archive_expsym_cmds, $1)=`AS_ECHO(["$_LT_TAGVAR(archive_expsym_cmds, $1)"]) | sed 's%\(\\\\\)*$CC%\1${$1:-\1$CC}%g'`])
  ])
  AC_MSG_RESULT([$_LT_TAGVAR(ld_shlibs, $1)])
  test no = "$_LT_TAGVAR(ld_shlibs, $1)" && can_build_shared=no