error with bootstrap

[sun yongbing]

hi, 

  i want to write the device driver of framebuffer for rtems to run on a 
board targeted Coldfire 5307. i hope it can be compiled with rtems and is 
not a dynamic one. So   
 (1) i create a subdir named framebuffer under my BSP 
dir(c/src/lib/libbsp/m68k/mcf5307).   
 (2) In the subdir i wrote framebuffer.c(defines the six driver entry 
points) and makefile.am(copied from console.am, just modified "console" to 
"framebuffer" ). 
 (3) In c/src/lib/libbsp/m68k/mcf5307/include/, i wrote framebuffer.h which 
defines the framebuffer_DRIVER_TABLE_ENTRY and modified the makefile.am by 
adding framebuffer.h to include_HEADERS . 
 (4) In my BSP dir (c/src/lib/libbsp/m68k/mcf5307) i modified the 
configure.ac by adding framebuffer/Makefile to the makefile list and 
makefile.am by adding framebuffer to the subdir. 
 (5) i also add framebuffer.pel to the wrapup to build lib. 
 (6) i add #define CONFIGURE_HAS_OWN_DEVICE_TABLE and #include 
<framebuffer.h>to confdefs.h 

then i run ./bootstrap in the rtems root dir. When it enters my BSP dir, 
error occurs and error information: 
  ./c/src/lib/libbsp/m68k/mcf5307 
  : No such file or directory '../../../../../../aclocal 
  autoheader: error: AC_CONFIG_HEADER not found in configure.ac 
  ..... 

But before  i add the works listed upon,there is no error when run 
bootstrap . i cann't find why. Any help or suggestions are appreciated.

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