[directfb-users] Re: directFB 0.9.20 fails to compile

[Kristof Pelckmans <kristof.pelckmans@antwerpen.be>]

You might want to look at the following patch, which fixes this behaviour :


http://www.gentoo.org/cgi-bin/viewcvs.cgi/*checkout*/dev-libs/DirectFB/files/0.9.20-linux-2.6.patch?rev=1.3

Kristof

Quoting Flavio <flavio.pan@tiscalinet.it>:

> Hi list,
> In order to make my matrox g550 to out on my tv I'm following the steps
> as described on matrox-tv-out-howto (thank you so mutch to the authors).
> When I try to compile direct FB 0.9.20 from the source the configuration
> script "./configure --enable-multi --with-gfxdrivers=matrox" does not
> report any error but then during the compiling process with make I get
> the following error:
>
> >  gcc -DHAVE_CONFIG_H -I. -I. -I../.. -I../../include -I../../src
> > -D_REENTRANT -Wall -O3 -ffast-math -pipe
> > -Werror-implicit-function-declaration -c matrox_crtc2.c  -fPIC -DPIC
> > -o .libs/matrox_crtc2.o
> > /bin/sh ../../libtool --mode=compile gcc -DHAVE_CONFIG_H -I. -I.
> > -I../.. -I../../include                -I../../src    -D_REENTRANT
> > -Wall -O3 -ffast-math -pipe   -Werror-implicit-function-declaration -c
> > matrox_maven.c
> >  gcc -DHAVE_CONFIG_H -I. -I. -I../.. -I../../include -I../../src
> > -D_REENTRANT -Wall -O3 -ffast-math -pipe
> > -Werror-implicit-function-declaration -c matrox_maven.c  -fPIC -DPIC
> > -o .libs/matrox_maven.o
> > matrox_maven.c: In function `maven_write_byte':
> > matrox_maven.c:63: error: implicit declaration of function
> > `i2c_smbus_write_byte_data'
> > matrox_maven.c: In function `maven_write_word':
> > matrox_maven.c:80: error: implicit declaration of function
> > `i2c_smbus_write_word_data'
> > matrox_maven.c: In function `maven_open':
> > matrox_maven.c:311: error: `I2C_SLAVE' undeclared (first use in this
> > function)
> > matrox_maven.c:311: error: (Each undeclared identifier is reported
> > only once
> > matrox_maven.c:311: error: for each function it appears in.)
> > matrox_maven.c: In function `maven_init':
> > matrox_maven.c:450: error: `I2C_SLAVE' undeclared (first use in this
> > function)
>
> Trying to understand what's happened I had a look to the file
> matrox_maven.c and I've noticed it includes <linux/i2c-dev.h> but the
> structure i2c_smbus_write_byte_data is not defined there. On the other
> hand the file <linux/i2c.h> seems to provide a declaration for
> i2c_smbus_write_byte_data.
> I'm wondering if there is something wrong somwhere in my configuration,
> does anyone understand what happens here?
> I don't know if I provided every needed information to figure out where
> is the problem, if not ask me about.
>
> Thanks,
> Flavio
>
>
>
>
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>



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