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      1 #  James Bigler, NVIDIA Corp (nvidia.com - jbigler)
      2 #  Abe Stephens, SCI Institute -- http://www.sci.utah.edu/~abe/FindCuda.html
      3 #
      4 #  Copyright (c) 2008 - 2009 NVIDIA Corporation.  All rights reserved.
      5 #
      6 #  Copyright (c) 2007-2009
      7 #  Scientific Computing and Imaging Institute, University of Utah
      8 #
      9 #  This code is licensed under the MIT License.  See the FindCUDA.cmake script
     10 #  for the text of the license.
     11 
     12 # The MIT License
     13 #
     14 # License for the specific language governing rights and limitations under
     15 # Permission is hereby granted, free of charge, to any person obtaining a
     16 # copy of this software and associated documentation files (the "Software"),
     17 # to deal in the Software without restriction, including without limitation
     18 # the rights to use, copy, modify, merge, publish, distribute, sublicense,
     19 # and/or sell copies of the Software, and to permit persons to whom the
     20 # Software is furnished to do so, subject to the following conditions:
     21 #
     22 # The above copyright notice and this permission notice shall be included
     23 # in all copies or substantial portions of the Software.
     24 #
     25 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
     26 # OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     27 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
     28 # THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     29 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
     30 # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
     31 # DEALINGS IN THE SOFTWARE.
     32 #
     33 
     34 #######################################################################
     35 # This converts a file written in makefile syntax into one that can be included
     36 # by CMake.
     37 
     38 file(READ ${input_file} depend_text)
     39 
     40 if (NOT "${depend_text}" STREQUAL "")
     41 
     42   # message("FOUND DEPENDS")
     43 
     44   string(REPLACE "\\ " " " depend_text ${depend_text})
     45 
     46   # This works for the nvcc -M generated dependency files.
     47   string(REGEX REPLACE "^.* : " "" depend_text ${depend_text})
     48   string(REGEX REPLACE "[ \\\\]*\n" ";" depend_text ${depend_text})
     49 
     50   set(dependency_list "")
     51 
     52   foreach(file ${depend_text})
     53 
     54     string(REGEX REPLACE "^ +" "" file ${file})
     55 
     56     # OK, now if we had a UNC path, nvcc has a tendency to only output the first '/'
     57     # instead of '//'.  Here we will test to see if the file exists, if it doesn't then
     58     # try to prepend another '/' to the path and test again.  If it still fails remove the
     59     # path.
     60 
     61     if(NOT EXISTS "${file}")
     62       if (EXISTS "/${file}")
     63         set(file "/${file}")
     64       else()
     65         message(WARNING " Removing non-existent dependency file: ${file}")
     66         set(file "")
     67       endif()
     68     endif()
     69 
     70     if(NOT IS_DIRECTORY "${file}")
     71       # If softlinks start to matter, we should change this to REALPATH.  For now we need
     72       # to flatten paths, because nvcc can generate stuff like /bin/../include instead of
     73       # just /include.
     74       get_filename_component(file_absolute "${file}" ABSOLUTE)
     75       list(APPEND dependency_list "${file_absolute}")
     76     endif()
     77 
     78   endforeach()
     79 
     80 else()
     81   # message("FOUND NO DEPENDS")
     82 endif()
     83 
     84 # Remove the duplicate entries and sort them.
     85 list(REMOVE_DUPLICATES dependency_list)
     86 list(SORT dependency_list)
     87 
     88 foreach(file ${dependency_list})
     89   set(cuda_nvcc_depend "${cuda_nvcc_depend} \"${file}\"\n")
     90 endforeach()
     91 
     92 file(WRITE ${output_file} "# Generated by: make2cmake.cmake\nSET(CUDA_NVCC_DEPEND\n ${cuda_nvcc_depend})\n\n")
     93