cirros-testvm/src-cirros/buildroot-2015.05/package/alsa-lib/0002-no-mmu.patch

   1 Don't use fork() on noMMU platforms
   2
   3 [Gustavo: update patch for 1.0.28]
   4 Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
   5
   6 Index: alsa-lib-1.0.26/configure.ac
   7 ===================================================================
   8 --- alsa-lib-1.0.26.orig/configure.ac   2012-09-06 10:55:14.000000000 +0200
   9 +++ alsa-lib-1.0.26/configure.ac        2013-03-09 16:22:08.000000000 +0100
  10 @@ -66,6 +66,8 @@
  11  AM_CONDITIONAL(ALSA_HSEARCH_R, [test "x$HAVE_HSEARCH_R" != xyes])
  12  AC_CHECK_FUNCS([uselocale])
  13
  14 +AC_CHECK_FUNC([fork])
  15 +
  16  SAVE_LIBRARY_VERSION
  17  AC_SUBST(LIBTOOL_VERSION_INFO)
  18
  19 Index: alsa-lib-1.0.26/src/pcm/pcm_direct.c
  20 ===================================================================
  21 --- alsa-lib-1.0.26.orig/src/pcm/pcm_direct.c   2012-09-06 10:55:14.000000000 +0200
  22 +++ alsa-lib-1.0.26/src/pcm/pcm_direct.c        2013-03-09 16:22:51.000000000 +0100
  23 @@ -424,13 +424,21 @@
  24                 close(dmix->server_fd);
  25                 return ret;
  26         }
  27 -
  28 +
  29 +#ifdef HAVE_FORK
  30         ret = fork();
  31 +#else
  32 +       ret = vfork();
  33 +#endif
  34         if (ret < 0) {
  35                 close(dmix->server_fd);
  36                 return ret;
  37         } else if (ret == 0) {
  38 +#ifdef HAVE_FORK
  39                 ret = fork();
  40 +#else
  41 +               ret = vfork();
  42 +#endif
  43                 if (ret == 0)
  44                         server_job(dmix);
  45                 _exit(EXIT_SUCCESS);