I wrote:

>> Compiling well-running code (gcc 4.2) with clang, I got a compiler error :
>> /var/folders/ZW/ZW4XDOyYGAG-cIUUUKtCYk+++TI/-Tmp-/cc-tx1iU7.s:63041:FATAL:Symbol Linfo_begin64 already defined.
>> Compilation failed
>> It took me some time to find out that it was not the code, but the containing folder that caused this failure.
>> Curious,  the folder name was  "Français", after replacing the "ç" by "c", no more problem.
>> (Same with "á",  "â",  " à"  etc.)
>> maybe, this is not a FBtoC problem,
> 
> This is a bug in clang or possibly llvm, not FBtoC. I have reported it to the clang developers.

and got an interesting reply from the lead compiler engineer.

Robert P.


Begin forwarded message:

> From: Chris Lattner <clattner@...>
> Date: 25 April 2010 3:46:53 PM NZST
> To: Robert Purves <listrp@...>
> Cc: cfe-dev@...
> Subject: Re: [cfe-dev] Fatal error from -include if pwd has Unicode characters
> 
> 
> On Apr 24, 2010, at 8:18 PM, Robert Purves wrote:
> 
>> $ /Developer/usr/bin/clang -c test.c
>> $ /Developer/usr/bin/clang -c test.c -include test.h
>> In file included from <built-in>:110:
>> <command line>:1:10: fatal error: '/Users/rdp/Desktop/Français' file not found
>> #include "/Users/rdp/Desktop/Français"
>>        ^
>> 1 diagnostic generated.
>> 
>> $ /Developer/usr/bin/clang --version
>> clang version 1.0.2 (http://llvm.org/svn/llvm-project/cfe/tags/Apple/clang-32 exported)
>> Target: x86_64-apple-darwin10
>> 
>> 
>> Reassuringly, r102295 does not show the problem, but I am not sure if that is a guarantee for future Apple branches. 
> 
> clang "1.0.2" is pretty ancient by now :).  Thanks for confirming that it is fixed on mainline though,
> 
> -Chris