Hi Takashi, Thanks for the answer. To I need both the patches or just the first one? Which alsa-lib release should I use with the patch, 1.0.13? PS: sorry, what is the HG tree? --- Takashi Iwai <tiwai@xxxxxxx> wrote: > At Fri, 16 Mar 2007 15:18:04 +0100, > I wrote: > > > > At Fri, 16 Mar 2007 06:17:00 -0700 (PDT), > > Ciaccia wrote: > > > > > > Hi there, > > > I would like to compile an alsa application for > an > > > embedded system with no shared-libraries > support. My > > > application just needs PCM, with no plug-ins, no > mixer > > > and no midi and the application should be a > standalone > > > executable with no external dependencies, > otherwise it > > > will not work. > > > > > > I tried to compile alsa-lib with static support, > but > > > without luck (-ldl is always needed in the gcc > line > > > and gcc always prints some weird warnings). > Since I > > > don't need external plugins nor ladspa, I think > there > > > should be a way to compile an application in a > 100% > > > static manner, but I still have to figure out > how. > > > > > > I also found this thread with a similar problem > with > > > uClinux > > > > http://www.mail-archive.com/alsa-user@xxxxxxxxxxxxxxxxxxxxx/msg18253.html > > > but at the end I did not understand how/if the > problem > > > was solved. > > > > > > Do you think it should be possible to compile > alsa-lib > > > with no dependencies on dl? How? > > > > > > Otherwise, would it be possible to write an alsa > > > application that does not rely on alsa-lib > (i.e., > > > by using the alsa kernel APIs directly)? Has > someone > > > already tried it? Some hints? > > > > > > Every hint is extremely welcome > > > > I worked on this sometime ago, and made a patch to > build alsa-lib > > without pthread and libdl. I don't remember why > this wasn't applied. > > IIRC, ulibc has the wrappers for pthread and > libdl, so this wasn't > > needed at that time in the end. > > > > Otherwise, it should work. Build with > --enable-static > > --disable-shared, --disble-mixer, --disable-hwdep, > etc. > > ... oh, not perfectly if really no pcm plugin is > used. > The patch below fixes the build problem. Already > applied to HG tree. > > > Takashi > > diff -r f1203eb7eb48 configure.in > --- a/configure.in Tue Mar 13 10:44:28 2007 +0100 > +++ b/configure.in Fri Mar 16 15:18:21 2007 +0100 > @@ -371,6 +371,7 @@ fi > > dnl Create PCM plugin symbol list for static > library > rm -f "$srcdir"/src/pcm/pcm_symbols_list.c > +touch "$srcdir"/src/pcm/pcm_symbols_list.c > for t in $PCM_PLUGIN_LIST; do > if eval test \$build_pcm_$t = yes; then > echo \&_snd_module_pcm_$t, >> > "$srcdir"/src/pcm/pcm_symbols_list.c > ____________________________________________________________________________________ Don't get soaked. Take a quick peek at the forecast with the Yahoo! Search weather shortcut. http://tools.search.yahoo.com/shortcuts/#loc_weather ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys-and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-devel
