[linux-dvb] Re: AW: Re: Driver 2002-11-08 problems

[Holger Waechtler]

Florian Schirmer wrote:

Hi,

Not if '$(wildcard *.d)' doesn't return any names.
'-include' only suppresses error messages if any of the _given_ files

doesn't exist.

Two things i would like to add:

1. Doesn't adding -MD to the extra flags is enough to make the
dependencys work? At least with gcc 3.1 (haven't tried any version
below) it seems to work pretty well without any include changes to the
Makefile.

don't know...

2. Does including the *.d files work correctly without having a "make
dep" run before? gcc generates the dep infos _while_ compiling the *.c
files. So make can only include the deps if compiling is already done.
You will end up with the deps from the last not the current run. Will
work in most cases but...

here you are right - but in any case the current rules are much safer than the ones we had some months before. If anybody has an idea to improve them, send a patch!

Holger




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