nuke@turk ~/workspace/mozilla-central $ ./mach build
 0:00.16 /usr/bin/make -f client.mk -s
 0:01.26 Adding client.mk options from /home/nuke/workspace/mozilla-central/mozconfig:
 0:01.26     MOZ_OBJDIR=/home/nuke/workspace/mozilla-central/obj-x86_64-unknown-linux-gnu
 0:01.26     OBJDIR=/home/nuke/workspace/mozilla-central/obj-x86_64-unknown-linux-gnu
 0:01.26     FOUND_MOZCONFIG=/home/nuke/workspace/mozilla-central/mozconfig
 0:01.52 cd /home/nuke/workspace/mozilla-central/obj-x86_64-unknown-linux-gnu
 0:01.52 /home/nuke/workspace/mozilla-central/configure
 0:01.71 Adding configure options from /home/nuke/workspace/mozilla-central/mozconfig
 0:01.71   --disable-webm
 0:01.71   --disable-ogg
 0:01.71   --disable-wave
 0:01.71   --disable-webm
 0:01.71   --disable-libjpeg-turbo
 0:01.74 loading cache ./config.cache
 0:01.78 checking host system type... x86_64-unknown-linux-gnu
 0:01.79 checking target system type... x86_64-unknown-linux-gnu
..
..
..
 0:05.61 configure:19893: checking MOZ_DBUS_GLIB_CFLAGS
 0:05.61 configure:19898: checking MOZ_DBUS_GLIB_LIBS
 0:05.61 configure:20175: gcc -c  -std=gnu99 -fgnu89-inline -fno-strict-aliasing -fno-math-errno -pthread  conftest.c 1>&5
 0:05.61 configure:20375: checking __attribute__ ((aligned ())) support
 0:05.61 configure:20392: gcc -c  -std=gnu99 -fgnu89-inline -fno-strict-aliasing -fno-math-errno -pthread -Werror  conftest.c 1>&5
 0:05.61 configure:21265: checking for alsa
 0:05.61 configure: error: Need alsa for Ogg, Wave or WebM decoding on Linux.  Disable with --disable-ogg --disable-wave --disable-webm.  (On Ubuntu, you might try installing the package libasound2-dev.)
 0:05.61 *** Fix above errors and then restart with\
 0:05.61                "/usr/bin/make -f client.mk build"
 0:05.61 make[2]: *** [configure] Error 1
 0:05.61 make[1]: *** [/home/nuke/workspace/mozilla-central/obj-x86_64-unknown-linux-gnu/Makefile] Error 2
 0:05.61 make: *** [build] Error 2
 0:05.63 0 compiler warnings present.