Re: LuaBitOp: Cant require "bit=>./bit.so: undefined symbol: luaopen_bit

[meino.cramer@...]

Mike Pall <mikelu-1211@mike.de> [12-11-30 20:04]:
> meino.cramer@gmx.de wrote:
> > gcc -fPIC -O2 -fomit-frame-pointer -Wall  -I/usr/local/include  -combine -ffast-math -fopenmp -fprefetch-loop-arrays -ftree-parallelize-loops=12 -funroll-all-loops -fwhole-program -mtune=amdfam10 -O3 -combine -ffast-math -fopenmp -fprefetch-loop-arrays -ftree-parallelize-loops=12 -funroll-all-loops -fwhole-program -mtune=amdfam10 -O3 -combine -ffast-math -fopenmp -fprefetch-loop-arrays -ftree-parallelize-loops=12 -funroll-all-loops -fwhole-program -mtune=amdfam10 -O3 -c -o bit.o bit.c
> 
> OMG ... who put that utter nonsense into CFLAGS? Is that the
> default configuration of Gentoo nowadays? I'm shocked. Try this:
> 
>   make clean; make CFLAGS=
> 
> Simply said: you can't expect to compile a majority of C libraries
> with these flags. Esp. -fwhole-program is deadly for shared
> libraries that are *supposed* to export functions.
> 
> In other words: consider using a saner distro than Gentoo. It does
> not live up to its promise. And that has been true for a looong
> time. I think I stopped using it 7 years ago and never looked back.
> 
> --Mike
> 

Hi Mike,

thank you for pointing this out for the CFLAGS as for your
relationship
to GENTOO.

What CFLAGS do you suggest in general?

Best regards,
mcc