Make Samba build with ARM. Currently may not work at runtime though.

ports/samba/nacl.patch

 diff --git a/.gitignore b/.gitignore
 new file mode 100644
 --- /dev/null
 +++ b/.gitignore
 @@ -0,0 +1,2 @@
 +*.pyc
 +/bin
 diff --git a/buildtools/wafsamba/samba_python.py b/buildtools/wafsamba/samba_python.py
 --- a/buildtools/wafsamba/samba_python.py
 +++ b/buildtools/wafsamba/samba_python.py
@@ skipping 86 matching lines @@
 +++ b/lib/ldb-samba/wscript_build
 @@ -8,7 +8,7 @@ bld.SAMBA_LIBRARY('ldbsamba',
                    source='ldif_handlers.c',
                    autoproto='ldif_handlers_proto.h',
                    public_deps='ldb',
 -                  deps='samba-security ndr NDR_DRSBLOBS NDR_DNSP ldbwrap samdb-common SAMDB_SCHEMA tdb pyldb-util errors',
 +                  deps='samba-security ndr NDR_DRSBLOBS NDR_DNSP ldbwrap samdb-common SAMDB_SCHEMA tdb errors',
                    private_library=True
                    )
  
+diff --git a/lib/replace/replace.h b/lib/replace/replace.h
+--- a/lib/replace/replace.h
++++ b/lib/replace/replace.h
+@@ -904,4 +904,9 @@ void rep_setproctitle(const char *fmt, ...) PRINTF_ATTRIBUTE(1, 2);
+ #include <sys/atomic.h>
+ #endif
+ 
++/* This is needed for the NaCl port for ARM with glibc */
++#ifndef FIONREAD
++#define FIONREAD 0x541B
++#endif
++
+ #endif /* _LIBREPLACE_REPLACE_H */
 diff --git a/lib/replace/system/wait.h b/lib/replace/system/wait.h
 --- a/lib/replace/system/wait.h
 +++ b/lib/replace/system/wait.h
 @@ -49,7 +49,7 @@ typedef int sig_atomic_t;
  #endif
  
  #if !defined(HAVE_WAITPID) && defined(HAVE_WAIT4)
 -int rep_waitpid(pid_t pid,int *status,int options)
 +int rep_waitpid(pid_t pid,int *status,int options);
  #endif
@@ skipping 206 matching lines @@
          conf.CHECK_CODE('''
 @@ -1402,7 +1403,7 @@ main() {
                          headers="rpc/rpc.h rpc/types.h rpcsvc/rquota.h rpc/nettype.h rpc/xdr.h", 
                          define='HAVE_NFS_QUOTAS',
                          msg='for NFS QUOTAS',
 -                        execute=True,
 +                        #execute=True,
                          local_include=False)
  
          if conf.CONFIG_SET('HAVE_QUOTACTL_LINUX') or \
+diff --git a/source4/heimdal/lib/hcrypto/rand-timer.c b/source4/heimdal/lib/hcrypto/rand-timer.c
+--- a/source4/heimdal/lib/hcrypto/rand-timer.c
++++ b/source4/heimdal/lib/hcrypto/rand-timer.c
+@@ -134,7 +134,8 @@ timer_bytes(unsigned char *outdata, int size)
+     pid = fork();
+     if(pid == -1){
+        signal(SIGCHLD, ochld != SIG_ERR ? ochld : SIG_DFL);
+-       des_not_rand_data(data, size);
++       // This is commented out for NaCl build. This function does not exist.
++       //des_not_rand_data(data, size);
+        return;
+     }
+     if(pid == 0)
 diff --git a/source4/libnet/wscript_build b/source4/libnet/wscript_build
 --- a/source4/libnet/wscript_build
 +++ b/source4/libnet/wscript_build
 @@ -3,7 +3,7 @@
  bld.SAMBA_LIBRARY('samba-net',
         source='libnet.c libnet_passwd.c libnet_time.c libnet_rpc.c libnet_join.c libnet_site.c libnet_become_dc.c libnet_unbecome_dc.c libnet_vampire.c libnet_samdump.c libnet_samsync_ldb.c libnet_user.c libnet_group.c libnet_share.c libnet_lookup.c libnet_domain.c userinfo.c groupinfo.c userman.c groupman.c prereq_domain.c libnet_samsync.c',
         autoproto='libnet_proto.h',
 -       public_deps='samba-credentials dcerpc dcerpc-samr RPC_NDR_LSA RPC_NDR_SRVSVC RPC_NDR_DRSUAPI cli_composite LIBCLI_RESOLVE LIBCLI_FINDDCS cli_cldap LIBCLI_FINDDCS gensec_schannel LIBCLI_AUTH ndr smbpasswdparser PROVISION LIBCLI_SAMSYNC LIBTSOCKET',
 +       public_deps='samba-credentials dcerpc dcerpc-samr RPC_NDR_LSA RPC_NDR_SRVSVC RPC_NDR_DRSUAPI cli_composite LIBCLI_RESOLVE LIBCLI_FINDDCS cli_cldap LIBCLI_FINDDCS gensec_schannel LIBCLI_AUTH ndr smbpasswdparser LIBCLI_SAMSYNC LIBTSOCKET',
         private_library=True
@@ skipping 63 matching lines @@
      conf.SAMBA_CHECK_PERL(mandatory=True)
      conf.find_program('xsltproc', var='XSLTPROC')
  
 -    conf.SAMBA_CHECK_PYTHON(mandatory=True, version=(2,5,0))
 -    conf.SAMBA_CHECK_PYTHON_HEADERS(mandatory=True)
 +    conf.SAMBA_CHECK_PYTHON(mandatory=False, version=(2,5,0))
 +    conf.SAMBA_CHECK_PYTHON_HEADERS(mandatory=False)
  
      if sys.platform == 'darwin' and not conf.env['HAVE_ENVIRON_DECL']:
          # Mac OSX needs to have this and it's also needed that the python is compiled with this