Hi Wolfgang,

buid on meesc board (arm) is still broken.
It's roughly the same problem, as Heiko Schocher reported in
4a6854b1.5000...@denx.de. But his patch doesn't fix the problem either.

dani...@debby:~/git/u-boot$ make USE_PRIVATE_LIBGCC=yes
...
drivers/mtd/nand/libnand.a(nand_base.o): In function `nand_do_write_oob':
/data/home/danielg/git/u-boot/drivers/mtd/nand/nand_base.c:2019: undefined 
reference to `__lshrdi3'
drivers/mtd/nand/libnand.a(nand_base.o): In function `nand_erase_nand':
/data/home/danielg/git/u-boot/drivers/mtd/nand/nand_base.c:2199: undefined 
reference to `__lshrdi3'
/data/home/danielg/git/u-boot/drivers/mtd/nand/nand_base.c:2198: undefined 
reference to `__lshrdi3'
drivers/mtd/nand/libnand.a(nand_base.o): In function `nand_do_read_oob':
/data/home/danielg/git/u-boot/drivers/mtd/nand/nand_base.c:1519: undefined 
reference to `__lshrdi3'
drivers/mtd/nand/libnand.a(nand_bbt.o): In function `search_bbt':
/data/home/danielg/git/u-boot/drivers/mtd/nand/nand_bbt.c:482: undefined 
reference to `__lshrdi3'
drivers/mtd/nand/libnand.a(nand_bbt.o):/data/home/danielg/git/u-boot/drivers/mtd/nand/nand_bbt.c:413:
 more undefined references to `__lshrdi3' follow
lib_generic/libgeneric.a(vsprintf.o): In function `put_dec':
/data/home/danielg/git/u-boot/lib_generic/vsprintf.c:242: undefined reference 
to `__umoddi3'
/data/home/danielg/git/u-boot/lib_generic/vsprintf.c:242: undefined reference 
to `__udivdi3'
lib_generic/libgeneric.a(vsprintf.o): In function `number':
/data/home/danielg/git/u-boot/lib_generic/vsprintf.c:306: undefined reference 
to `__lshrdi3'
make: *** [u-boot] Error 1

Best regards, Daniel


Wolfgang Denk wrote:
> Many (especially ARM) tool chains seem to come with broken or
> otherwise unusable (for the purposes of builing U-Boot) run-time
> support libraries `libgcc.a'. By using the "USE_PRIVATE_LIBGCC"
> setting we allow to use alternative libraries instead.
> 
> "USE_PRIVATE_LIBGCC" can either be set as an environment variable in
> the shell, or as a command line argument when running "make", i. e.
>       $ make USE_PRIVATE_LIBGCC=yes
> or
>       $ USE_PRIVATE_LIBGCC=yes
>       $ export USE_PRIVATE_LIBGCC
>       $ make
> 
> The value of "USE_PRIVATE_LIBGCC" is the name of the directory which
> contains the alternative run-time support library `libgcc.a'. The
> special value "yes" selects the directory $(OBJTREE)/lib_$(ARCH) .
> 
> Note that not all architectures provide an alternative `libgcc.a' in
> their lib_$(ARCH) directories - so far, only ARM does.
> 
> Signed-off-by: Wolfgang Denk <w...@denx.de>
...
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