[PATCH 00/10] Misc patches

Simon Ruderich simon at ruderich.org
Wed Feb 5 15:21:46 CET 2014

On Tue, Feb 04, 2014 at 05:22:50PM +0100, Thorsten Wißmann wrote:
> Out of these 10 patches, I merged these 7 by fair dice roll^W^W^W^Wfor
> the following reasons:

Hi Thorsten,

Thanks for merging the patches so quickly.

>   - f64e7a5 Makefile: Use $(CFLAGS) when linking.
>     => Did not know that, is that the normal usage of CLFAGS? Christoph?

Yes, it is.


GNU autotools handles it in the same way.

See also the gcc man page regarding -flto:

    Additionally, the optimization flags used to compile
    individual files are not necessarily related to those used at
    link time.  For instance,

            gcc -c -O0 -flto foo.c
            gcc -c -O0 -flto bar.c
            gcc -o myprog -flto -O3 foo.o bar.o

    This produces individual object files with unoptimized
    assembler code, but the resulting binary myprog is optimized
    at -O3.  If, instead, the final binary is generated without
    -flto, then myprog is not optimized.

Therefore CFLAGS is required while linking.

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