-gcc -E" CC="i686-pc-linux-gnu-gcc" modules
make[1]: Entering directory `/usr/src/linux'

  WARNING: Symbol version dump /usr/src/linux/Module.symvers
           is missing; modules will have no dependencies and modversions.

  CC [M]  /var/tmp/portage/alsa-driver-1.0.14_rc1/work/alsa-driver-1.0.14rc1/acore/memalloc.o
  CC [M]  /var/tmp/portage/alsa-driver-1.0.14_rc1/work/alsa-driver-1.0.14rc1/acore/sgbuf.o
  CC [M]  /var/tmp/portage/alsa-driver-1.0.14_rc1/work/alsa-driver-1.0.14rc1/acore/memory_wrapper.o
  CC [M]  /var/tmp/portage/alsa-driver-1.0.14_rc1/work/alsa-driver-1.0.14rc1/acore/pcm.o
In file included from /var/tmp/portage/alsa-driver-1.0.14_rc1/work/alsa-driver-1.0.14rc1/acore/../alsa-kernel/core/pcm.c:29,
                 from /var/tmp/portage/alsa-driver-1.0.14_rc1/work/alsa-driver-1.0.14rc1/acore/pcm.c:1:
/var/tmp/portage/alsa-driver-1.0.14_rc1/work/alsa-driver-1.0.14rc1/include/sound/pcm.h: In function 'snd_pcm_mmap_data_open':
/var/tmp/portage/alsa-driver-1.0.14_rc1/work/alsa-driver-1.0.14rc1/include/sound/pcm.h:977: error: dereferencing pointer to incomplete type
/var/tmp/portage/alsa-driver-1.0.14_rc1/work/alsa-driver-1.0.14rc1/include/sound/pcm.h: In function 'snd_pcm_mmap_data_close':
/var/tmp/portage/alsa-driver-1.0.14_rc1/work/alsa-driver-1.0.14rc1/include/sound/pcm.h:983: error: dereferencing pointer to incomplete type
make[4]: *** [/var/tmp/portage/alsa-driver-1.0.14_rc1/work/alsa-driver-1.0.14rc1/acore/pcm.o] Error 1
make[3]: *** [/var/tmp/portage/alsa-driver-1.0.14_rc1/work/alsa-driver-1.0.14rc1/acore] Error 2
make[2]: *** [_module_/var/tmp/portage/alsa-driver-1.0.14_rc1/work/alsa-driver-1.0.14rc1] Error 2
make[1]: *** [modules] Error 2
make[1]: Leaving directory `/usr/src/linux'
make: *** [compile] Error 2

!!! ERROR: media-sound/alsa-driver-1.0.14_rc1 failed.
Call stack:
  ebuild.sh, line 1546:   Called dyn_compile
  ebuild.sh, line 937:   Called src_compile
  alsa-driver-1.0.14_rc1.ebuild, line 127:   Called die

!!! Make Failed
!!! If you need support, post the topmost build error, and the call stack if relevant.