# ---------------------------------------------------------------------
#
# Copyright (c) CREATIS (Centre de Recherche en Acquisition et Traitement de l'Image 
#                        pour la Santé)
# Authors : Eduardo Davila, Frederic Cervenansky, Claire Mouton
# Previous Authors : Laurent Guigues, Jean-Pierre Roux
# CreaTools website : www.creatis.insa-lyon.fr/site/fr/creatools_accueil
#
#  This software is governed by the CeCILL-B license under French law and 
#  abiding by the rules of distribution of free software. You can  use, 
#  modify and/ or redistribute the software under the terms of the CeCILL-B 
#  license as circulated by CEA, CNRS and INRIA at the following URL 
#  http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html 
#  or in the file LICENSE.txt.
#
#  As a counterpart to the access to the source code and  rights to copy,
#  modify and redistribute granted by the license, users are provided only
#  with a limited warranty  and the software's author,  the holder of the
#  economic rights,  and the successive licensors  have only  limited
#  liability. 
#
#  The fact that you are presently reading this means that you have had
#  knowledge of the CeCILL-B license and that you accept its terms.
# ------------------------------------------------------------------------


MACRO(USER_BUILD_LATEX_DOC TEX_FILE OUTPUT_REL_PATH)
  # Need LaTeX
  SET(USE_LATEX ON CACHE BOOL "" FORCE)
  # Construct absolute build path
  SET(BUILD_PATH ${${PROJECT_NAME}_DOC_BUILD_PATH}/${OUTPUT_REL_PATH})
  #MESSAGE(STATUS "Tex file : ${TEX_FILE}")
  #---------------------------------------------------------------------------
  CONFIGURE_FILE(
    ${CMAKE_CURRENT_SOURCE_DIR}/${TEX_FILE}.tex
    ${BUILD_PATH}/${TEX_FILE}.tex
    COPYONLY
    )
  CONFIGURE_FILE(
    ${CMAKE_CURRENT_SOURCE_DIR}/../config.tex
    ${BUILD_PATH}/config.tex
    @ONLY
    )
  CONFIGURE_FILE(
    ${CMAKE_CURRENT_SOURCE_DIR}/../config.tex
    ${CMAKE_CURRENT_BINARY_DIR}/config.tex
    @ONLY
    )
  #---------------------------------------------------------------------------
 FILE(TO_NATIVE_PATH ${BUILD_PATH} THE_BUILD_PATH)

  # Have to run latex twice to get references, toc, etc.
 #message("ADD_CUSTOM_COMMAND(OUTPUT ${BUILD_PATH}/${TEX_FILE}.aux   MACRO(USER_BUILD_LATEX_DOC")
      
ADD_CUSTOM_COMMAND(
    OUTPUT ${BUILD_PATH}/${TEX_FILE}.aux 
    COMMAND 
    # latex
    cd ${THE_BUILD_PATH} && ${LATEX_COMPILER}
    ARGS
    -interaction=batchmode ${BUILD_PATH}/${TEX_FILE} -output-directory=${BUILD_PATH}/
    
    DEPENDS 
    ${CMAKE_CURRENT_SOURCE_DIR}/${TEX_FILE}.tex
    ${CMAKE_CURRENT_SOURCE_DIR}/../config.tex
    )

#message("LATEX_COMPILER = ${LATEX_COMPILER}")
ADD_CUSTOM_COMMAND(
    OUTPUT ${BUILD_PATH}/${TEX_FILE}.pdf
    COMMAND 
    # latex
    cd ${THE_BUILD_PATH} && ${LATEX_COMPILER}
    ARGS
    -interaction=batchmode ${BUILD_PATH}/${TEX_FILE} -output-directory=${BUILD_PATH}/
  
    DEPENDS ${BUILD_PATH}/${TEX_FILE}.aux 
    )
  
  # pdf target
  ADD_CUSTOM_TARGET(${TEX_FILE}.pdf ALL
    DEPENDS ${BUILD_PATH}/${TEX_FILE}.pdf)

  # Install
  INSTALL( 
    FILES ${BUILD_PATH}/${TEX_FILE}.pdf
    DESTINATION ${${PROJECT_NAME}_DOC_INSTALL_PATH}/${OUTPUT_REL_PATH}
    )

ENDMACRO(USER_BUILD_LATEX_DOC)