CMakeUserFindWix

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---

  # - Try to find Windows Installer XML
  # See http://wix.sourceforge.net
  #
  # The follwoing variables are optionally searched for defaults
  #  WIX_ROOT_DIR:            Base directory of WIX2 tree to use.
  #
  # The following are set after configuration is done: 
  #  WIX_FOUND
  #  WIX_ROOT_DIR
  #  WIX_CANDLE
  #  WIX_LIGHT
  # 
  # 2009/02 Petr Pytelka (pyta at lightcomp.cz)
  #

MACRO(DBG_MSG _MSG)

1. MESSAGE(STATUS "${CMAKE_CURRENT_LIST_FILE}(${CMAKE_CURRENT_LIST_LINE}):\n ${_MSG}")

ENDMACRO(DBG_MSG)

1. typical root dirs of installations, exactly one of them is used

SET (WIX_POSSIBLE_ROOT_DIRS

 "${WIX_ROOT_DIR}"
 "$ENV{WIX_ROOT_DIR}"
 "$ENV{ProgramFiles}/Windows Installer XML"
 )

1. DBG_MSG("DBG (WIX_POSSIBLE_ROOT_DIRS=${WIX_POSSIBLE_ROOT_DIRS}")

2. select exactly ONE WIX base directory/tree
3. to avoid mixing different version headers and libs

FIND_PATH(WIX_ROOT_DIR

 NAMES 
 bin/candle.exe
 bin/light.exe
 PATHS ${WIX_POSSIBLE_ROOT_DIRS})

DBG_MSG("WIX_ROOT_DIR=${WIX_ROOT_DIR}")

2. Logic selecting required libs and headers

SET(WIX_FOUND OFF) IF(WIX_ROOT_DIR)

 SET(WIX_FOUND ON)

ENDIF(WIX_ROOT_DIR)

1. display help message

IF(NOT WIX_FOUND)

 # make FIND_PACKAGE friendly
 IF(NOT WIX_FIND_QUIETLY)
   IF(WIX_FIND_REQUIRED)
     MESSAGE(FATAL_ERROR
       "Windows Installer XML required but some files not found. Please specify it's location with WIX_ROOT_DIR env. variable.")
   ELSE(WIX_FIND_REQUIRED)
     MESSAGE(STATUS 
       "ERROR: Windows Installer XML was not found.")
   ENDIF(WIX_FIND_REQUIRED)
 ENDIF(NOT WIX_FIND_QUIETLY)

ELSE(NOT WIX_FOUND)

 SET(WIX_CANDLE ${WIX_ROOT_DIR}/bin/candle.exe)
 SET(WIX_LIGHT ${WIX_ROOT_DIR}/bin/light.exe)

1. MESSAGE(STATUS "Windows Installer XML found.")

ENDIF(NOT WIX_FOUND)

MARK_AS_ADVANCED(

 WIX_ROOT_DIR
 WIX_CANDLE
 WIX_LIGHT
 )

2. Call wix compiler
4. Parameters:
5. _sources - name of list with sources
6. _obj - name of list for target objects

MACRO(WIX_COMPILE _sources _objs _extra_dep)

 DBG_MSG("WIX compile: ${${_sources}}")
 FOREACH (_current_FILE ${${_sources}})
   GET_FILENAME_COMPONENT(_tmp_FILE ${_current_FILE} ABSOLUTE)
   GET_FILENAME_COMPONENT(_basename ${_tmp_FILE} NAME_WE)

   SET (SOURCE_WIX_FILE ${CMAKE_CURRENT_SOURCE_DIR}/${_current_FILE} )
   DBG_MSG("WIX source file: ${SOURCE_WIX_FILE}")

   # Check whether source exists
   IF(EXISTS ${SOURCE_WIX_FILE})
   ELSE(EXISTS ${SOURCE_WIX_FILE})
     MESSAGE(FATAL_ERROR "Path not exists: ${SOURCE_WIX_FILE}")
   ENDIF(EXISTS ${SOURCE_WIX_FILE})

   SET (OUTPUT_WIXOBJ ${_basename}.wixobj )

   DBG_MSG("WIX output: ${CMAKE_CURRENT_BINARY_DIR}/${OUTPUT_WIXOBJ}")
   DBG_MSG("WIX command: ${WIX_CANDLE}")

   ADD_CUSTOM_COMMAND( 
     OUTPUT    ${CMAKE_CURRENT_BINARY_DIR}/${OUTPUT_WIXOBJ}
     COMMAND   ${WIX_CANDLE}
     ARGS      ${WIX_CANDLE_FLAGS} ${SOURCE_WIX_FILE}
     DEPENDS   ${SOURCE_WIX_FILE} ${${_extra_dep}}
     COMMENT   "Compiling ${SOURCE_WIX_FILE} -> ${OUTPUT_WIXOBJ}"
   )
   SET(${_objs} ${${_objs}} ${CMAKE_CURRENT_BINARY_DIR}/${OUTPUT_WIXOBJ} )
   DBG_MSG("WIX compile output: ${${_objs}}")

 ENDFOREACH (_current_FILE)

ENDMACRO(WIX_COMPILE)

2. Call wix compiler
4. Parameters:
5. _sources - name of list with sources
6. _obj - name of list for target objects

MACRO(WIX_COMPILE_ALL _target _sources _extra_dep)

 DBG_MSG("WIX compile all: ${${_sources}}, dependencies: ${${_extra_dep}}")

 ADD_CUSTOM_COMMAND( 
     OUTPUT    ${_target}
     COMMAND   ${WIX_CANDLE}
     ARGS      ${WIX_CANDLE_FLAGS} -out "${_target}" ${${_sources}}
     DEPENDS   ${${_sources}} ${${_extra_dep}}
     COMMENT   "Compiling ${${_sources}} -> ${_target}"
   )

ENDMACRO(WIX_COMPILE_ALL)

2. Link MSI file
4. Parameters
5. _target - Name of target file
6. _sources - Name of list with sources

MACRO(WIX_LINK _target _sources _loc_files)

 DBG_MSG("WIX command: ${WIX_LIGHT}\n WIX target: ${_target} objs: ${${_sources}}")

 SET( WIX_LINK_FLAGS_A "" )
 # Add localization
 FOREACH (_current_FILE ${${_loc_files}})
   SET( WIX_LINK_FLAGS_A ${WIX_LINK_FLAGS_A} -loc "${_current_FILE}" )
   DBG_MSG("WIX link localization: ${_current_FILE}")
 ENDFOREACH (_current_FILE)
 DBG_MSG("WIX link flags: ${WIX_LINK_FLAGS_A}")

 ADD_CUSTOM_COMMAND( 
     OUTPUT    ${_target}
     COMMAND   ${WIX_LIGHT}
     ARGS      ${WIX_LINK_FLAGS_A} -out "${_target}" ${${_sources}}
     DEPENDS   ${${_sources}}
     COMMENT   "Linking ${${_sources}} -> ${_target}"
   )

ENDMACRO(WIX_LINK)

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