configure.ac:30: installing './compile' configure.ac:15: installing './config.guess' configure.ac:15: installing './config.sub' configure.ac:16: installing './install-sh' configure.ac:16: installing './missing' alsalisp/Makefile.am: installing './depcomp' parallel-tests: installing './test-driver' pcm_share.c: In function '_snd_pcm_share_missing': pcm_share.c:293:5: warning: ignoring return value of 'read', declared with attribute warn_unused_result [-Wunused-result] read(share->slave_socket, buf, 1); ^ pcm_share.c:295:5: warning: ignoring return value of 'write', declared with attribute warn_unused_result [-Wunused-result] write(share->client_socket, buf, 1); ^ pcm_share.c:298:5: warning: ignoring return value of 'write', declared with attribute warn_unused_result [-Wunused-result] write(share->slave_socket, buf, 1); ^ pcm_share.c:300:5: warning: ignoring return value of 'read', declared with attribute warn_unused_result [-Wunused-result] read(share->client_socket, buf, 1); ^ pcm_share.c: In function 'snd_pcm_share_thread': pcm_share.c:408:5: warning: ignoring return value of 'read', declared with attribute warn_unused_result [-Wunused-result] read(pfd[0].fd, buf, 1); ^ In file included from pcm_dmix.c:146:0: pcm_dmix_x86_64.c: In function 'mix_select_callbacks': pcm_dmix_x86_64.c:91:5: warning: ignoring return value of 'fgets', declared with attribute warn_unused_result [-Wunused-result] fgets(line, sizeof(line), in); ^ CMake Warning: Manually-specified variables were not used by the project: CMAKE_EXPORT_NO_PACKAGE_REGISTRY ALSA lib conf.c:4081:(snd_config_update_r) Cannot access file /home/conan/w/cci_PR-3491/.conan/data/libalsa/1.2.2/_/_/package/9dbf9f4f05bbb0a35f150c6b3f4bd6008b91a4df/res/alsa.conf ALSA lib pcm.c:2642:(snd_pcm_open_noupdate) Unknown PCM plughw:0,0