[Buildroot] Recurrent Blackfin build failure on icu

[Mike Frysinger <vapier@gentoo.org>]

On Wednesday 05 June 2013 22:32:27 Sonic Zhang wrote:
> On Mon, Jun 3, 2013 at 5:38 PM, Thomas Petazzoni wrote:
> > On Mon, 3 Jun 2013 17:26:08 +0800, Sonic Zhang wrote:
> >> For historic reasons, Blackfin GNU toolchain generate assembly symbols
> >> with the prefix '_'. For example: _uconvmsg_dat and _icudt48_dat .
> >> But, the pkgdata tool in icu doesn't generate assembly file
> >> uconvmsg_dat.s and icudt48l_dat.s in this way when Blackfin GNU
> >> toolchain is used. What do you think is a better way to fix it?
> > 
> > Can this specific behavior of the Blackfin toolchain be detected? Is
> > there a typical autotools test that would allow to test this?
> 
> Maybe you can check the symbol name after compiling a C file into an
> assembly file?

gcc provides __USER_LABEL_PREFIX__ specifically for this.  but you'd have to 
create a .S file and run it through the preprocessor to do that ...
-mike
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