Windows XP SP3
RosBE 2.1.3
r73370

***

> ninja livecd

** Initial build

[138/9092] Generating boot/bootdata/BCD
Binary hive maker
  Creating binary hive: ...\boot\bootdata\default
  Creating binary hive: ...\boot\bootdata\sam
  Creating binary hive: ...\boot\bootdata\security
  Creating binary hive: ...\boot\bootdata\software
  Creating binary hive: ...\boot\bootdata\system
  Creating binary hive: ...\boot\bootdata\BCD
  Done.
[139/9092] Generating boot/bootdata/sam, boot/bootdata/default, .../bootdata/security, boot/bootdata/software, boot/bootdata/system
Binary hive maker
RegDeleteKeyW(0x01566EC0, '') is UNIMPLEMENTED!
  Creating binary hive: ...\boot\bootdata\default
  Creating binary hive: ...\boot\bootdata\sam
  Creating binary hive: ...\boot\bootdata\security
  Creating binary hive: ...\boot\bootdata\software
  Creating binary hive: ...\boot\bootdata\system
  Creating binary hive: ...\boot\bootdata\BCD
  Done.

** Rebuilding

[54/990] Generating boot/bootdata/sam, boot/bootdata/default, bo.../bootdata/security, boot/bootdata/software, boot/bootdata/system
Binary hive maker
RegDeleteKeyW(0x01566EC0, '') is UNIMPLEMENTED!
  Creating binary hive: ...\boot\bootdata\default
  Creating binary hive: ...\boot\bootdata\sam
  Creating binary hive: ...\boot\bootdata\security
  Creating binary hive: ...\boot\bootdata\software
  Creating binary hive: ...\boot\bootdata\system
  Creating binary hive: ...\boot\bootdata\BCD
  Done.

***

...\build.ninja has:
{{
#############################################
# Custom command for boot\bootdata\sam

build boot/bootdata/sam boot/bootdata/default boot/bootdata/security boot/bootdata/software boot/bootdata/system: CUSTOM_COMMAND host-tools/mkhive.exe boot/bootdata/registry.inf .../reactos/boot/bootdata/livecd.inf .../reactos/boot/bootdata/hiveinst.inf || host-tools
  COMMAND = cmd.exe /C "cd /D ... && ...\host-tools\mkhive.exe .../boot/bootdata .../boot/bootdata/registry.inf .../reactos/boot/bootdata/livecd.inf .../reactos/boot/bootdata/hiveinst.inf"
  DESC = Generating boot/bootdata/sam, boot/bootdata/default, boot/bootdata/security, boot/bootdata/software, boot/bootdata/system

#############################################
# Custom command for boot\bootdata\BCD

build boot/bootdata/BCD: CUSTOM_COMMAND host-tools/mkhive.exe .../reactos/boot/bootdata/hivebcd.inf || host-tools
  COMMAND = cmd.exe /C "cd /D ... && ...\host-tools\mkhive.exe .../boot/bootdata .../boot/bootdata/hivebcd_utf16.inf"
  DESC = Generating boot/bootdata/BCD

#############################################
}}