[LLVMdev] strange visibility error when compiling llvm-gcc-4.2

[Duncan Sands]

Hi,

> if /bin/sh ./libtool --mode=compile /s/llvm/obj.gcc42/./gcc/xgcc -B/s/llvm/obj.gcc42/./gcc/ -B/usr/local/i686-pc-linux-gnu/bin/ -B/usr/local/i686-pc-linux-gnu/lib/ -isystem /usr/local/i686-pc-linux-gnu/include -isystem /usr/local/i686-pc-linux-gnu/sys-include -DHAVE_CONFIG_H -I. -I/s/llvm/svn.gcc42/libgomp -I.  -I/s/llvm/svn.gcc42/libgomp/config/linux/x86 -I/s/llvm/svn.gcc42/libgomp/config/linux -I/s/llvm/svn.gcc42/libgomp/config/posix -I/s/llvm/svn.gcc42/libgomp  -Wall -Werror -ftls-model=initial-exec -march=i486 -mtune=i686 -Wc,-pthread -O2 -g -O2  -MT lock.lo -MD -MP -MF ".deps/lock.Tpo" -c -o lock.lo /s/llvm/svn.gcc42/libgomp/config/linux/lock.c; \
>         then mv -f ".deps/lock.Tpo" ".deps/lock.Plo"; else rm -f ".deps/lock.Tpo"; exit 1; fi
> yes
> cc1: warnings being treated as errors
> /s/llvm/svn.gcc42/libgomp/team.c:341: warning: visibility attribute not supported in this configuration; ignored
> /s/llvm/svn.gcc42/libgomp/team.c:341: warning: visibility attribute not supported in this configuration; ignored
> checking for tanl... make[5]: *** [team.lo] Error 1
> ----------------------------------
> 
> Because of the -Werror, this warning is taken as an error
> and compilation aborts. I wonder why it warns in the first
> place, is something broken with xgcc?

I suspect this is due to the recent change by Bill (revision 46747).

Best wishes,

Duncan.