Re: bug of ld 2.20.1

[Alan Modra]

On Thu, Sep 02, 2010 at 01:25:11PM +0800, 徐超 wrote:
> 
>          Recently, I update the toolchain(binutils 2.20.1) I meet one issue 
> on LD.
>          When I use LD to link the object with  options “–oformat binary “ 
> and “--start-group   –end-group” simultaneously, 
> LD fail to find the symbol.
>  
> When I remove “—oformat”, it can build the ELF file. I try to write some 
> simple case to reproduce it, but in the simple
> Case, it is OK.
>          (host i686-pc-linux-gnu  target i686-cm-linux)
>  
>          The log file is as follow:
> Linking: elf/rom.bin
> ../..//lib/elf/libcore.a(bios_keybd.o): In function `biosKeybdShiftStatus':
> bios_keybd.c:(.text+0x67): undefined reference to 
> `kbdmgrGetShiftFlagStatusByte'
> ../..//lib/elf/libcore.a(bios_keybd.o): In function 
> `biosKeybdExtendedShiftStatus':
> bios_keybd.c:(.text+0x8b): undefined reference to 
> `kbdmgrGetShiftFlagStatusByte'
>          I use readelf and objdump to check the symbol, the symbol can be 
> found in the libcore.a.
>          At the same time the LD (2.17.50, 2.18.50) both can work under this 
> situation.
>          So it should be bug.                                           

What happens if you do not use an archive?  ie. extract the files in
the archive then specify all of them on the ld command line?

-- 
Alan Modra
Australia Development Lab, IBM