At Wed, 03 Dec 2003 15:36:53 +0100, Thomas Charbonnel wrote: > > Takashi Iwai wrote : > > At Wed, 03 Dec 2003 13:29:32 +0100, > > Thomas Charbonnel wrote: > > > >>I wrote : > >> > >>>Martin Holzer a écrit : > >>> > >>> > >>>>make[1]: Entering directory > >>>>`/var/tmp/portage/alsa-tools-1.0.0_rc1/work/alsa-tools-1.0.0rc1/hdspmixer/sr > >>>> > >>>>c' if g++ -DPACKAGE_NAME=\"\" -DPACKAGE_TARNAME=\"\" > >>>>-DPACKAGE_VERSION=\"\" -DPACKAGE_STRING=\"\" -DPACKAGE_BUGREPORT=\"\" > >>>>-DPACKAGE=\"hdspmixer\" -DVERSION=\"1.6\" -DSTDC_HEADERS=1 > >>>>-DHAVE_LIBASOUND=1 -I. -I. -I/usr/include/fltk-1.1 -march > >>>>=athlon-xp -O3 -pipe -fomit-frame-pointer > >>>>-I/lib/modules/2.6.0-test11-gentoo-r1/build/include > >>>>-I/lib/modules/2.6.0-test 11-gentoo-r1/build/include > >>>>-I/usr/include/fltk-1.1 -I/usr/include/freetype2 -march=athlon-xp > >>>>-mcpu=athlon-xp -O3 -pipe - I/usr/X11R6/include -fno-exceptions -MT > >>>>hdspmixer.o -MD -MP -MF ".deps/hdspmixer.Tpo" \ -c -o hdspmixer.o > >>>>`test -f 'hdspmixer.cxx' || echo './'`hdspmixer.cxx; \ then mv -f > >>>>".deps/hdspmixer.Tpo" ".deps/hdspmixer.Po"; \ else rm -f > >>>>".deps/hdspmixer.Tpo"; exit 1; \ fi In file included from > >>>>hdspmixer.cxx:31: HDSPMixerCard.h:57: error: 'hdsp_9632_aeb_t' is used > >>>>as a type, but is not defined as a type. hdspmixer.cxx: In function > >>>>`int main(int, char**)': hdspmixer.cxx:68: error: `H9632' undeclared > >>>>(first use this function) hdspmixer.cxx:68: error: (Each undeclared > >>>>identifier is reported only once > >>>>for each function it appears in.) make[1]: *** [hdspmixer.o] Error > >>>>1 make[1]: Leaving directory > >>>>`/var/tmp/portage/alsa-tools-1.0.0_rc1/work/alsa-tools-1.0.0rc1/hdspmixer/sr > >>>> > >>>>c' make: *** [all-recursive] Error 1 > >>>> > >>>>Martin Holzer > >>>>sVrmARTY-/irc.freenode.net > >>>> > >>>>Bug-Wrangler, Gentoo Linux > >>>> > >>>> > >>> > >>>Hi Martin, > >>> > >>>You should install alsa-driver before alsa-tools, as it will install the > >>>hdsp.h file on your system, containing the missing declaration. > >>> > >>>Thomas > >>> > >> > >>Ooops, I misread your subject line. This is because the driver version > >>included in 2.6.0-test11 is a little bit outdated. Update your kernel > >>tree with latest alsa, and compile again, then. > > > > > > there are configure options to specify the header files for > > alsa-kernel. one is --with-kernel and another is --with-soundbase. > > > > the former specifies the top path of 2.6 kernel source tree, and the > > header files in that tree will be used. the latter specifies directly > > the path of alsa-driver's include directory. > > > > for example, > > > > ./configure --with-kernel=/my/src/linux-2.6.0-test9 > > > > ./configure --with-soundbase=/somewhere/alsa-driver-1.0.0/include > > > > when no these options are given, the standard path, > > i.e. /usr/include/sound will be searched. > > > > these options are necessary only for (some of) alsa-tools. usually, > > applications don't need (and shouldn't) access to the kernel header > > files. > > > > > > I used the hdsp.h header file to ease the task of building userspace > application using the hwdep interface to communicate with the driver > (sharing structures and type definitions). > If this was a bad idea, I'll reconsider it, no problem.
it's ok as long as the header files don't include the kernel stuff (i.e. protected via ifdef __KERNEL__). the above statement is valid in general, not for the special applications which is specific to a certain hardware. Takashi ------------------------------------------------------- This SF.net email is sponsored by: SF.net Giveback Program. Does SourceForge.net help you be more productive? Does it help you create better code? SHARE THE LOVE, and help us help YOU! Click Here: http://sourceforge.net/donate/ _______________________________________________ Alsa-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/alsa-devel
