1# 2# Copyright (c) 2018, NVIDIA CORPORATION. All rights reserved. 3# 4# Redistribution and use in source and binary forms, with or without 5# modification, are permitted provided that the following conditions 6# are met: 7# * Redistributions of source code must retain the above copyright 8# notice, this list of conditions and the following disclaimer. 9# * Redistributions in binary form must reproduce the above copyright 10# notice, this list of conditions and the following disclaimer in the 11# documentation and/or other materials provided with the distribution. 12# * Neither the name of NVIDIA CORPORATION nor the names of its 13# contributors may be used to endorse or promote products derived 14# from this software without specific prior written permission. 15# 16# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY 17# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 20# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 21# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 22# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 23# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 24# OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27# 28 29# Locate the OptiX distribution. Search relative to the SDK first, then look in the system. 30 31# Our initial guess will be within the SDK. 32set(OptiX_INSTALL_DIR "${CMAKE_SOURCE_DIR}/../" CACHE PATH "Path to OptiX installed location.") 33 34# The distribution contains only 64 bit libraries. Error when we have been mis-configured. 35if(NOT CMAKE_SIZEOF_VOID_P EQUAL 8) 36 if(WIN32) 37 message(SEND_ERROR "Make sure when selecting the generator, you select one with Win64 or x64.") 38 endif() 39 message(FATAL_ERROR "OptiX only supports builds configured for 64 bits.") 40endif() 41 42# search path based on the bit-ness of the build. (i.e. 64: bin64, lib; 32: 43# bin, lib). Note that on Mac, the OptiX library is a universal binary, so we 44# only need to look in lib and not lib for 64 bit builds. 45if(NOT APPLE) 46 set(bit_dest "64") 47else() 48 set(bit_dest "") 49endif() 50 51# Include 52find_path(OptiX_INCLUDE 53 NAMES optix.h 54 PATHS "${OptiX_INSTALL_DIR}/include" 55 NO_DEFAULT_PATH 56 ) 57find_path(OptiX_INCLUDE 58 NAMES optix.h 59 ) 60 61# Check to make sure we found what we were looking for 62function(OptiX_report_error error_message required component ) 63 if(DEFINED OptiX_FIND_REQUIRED_${component} AND NOT OptiX_FIND_REQUIRED_${component}) 64 set(required FALSE) 65 endif() 66 if(OptiX_FIND_REQUIRED AND required) 67 message(FATAL_ERROR "${error_message} Please locate before proceeding.") 68 else() 69 if(NOT OptiX_FIND_QUIETLY) 70 message(STATUS "${error_message}") 71 endif(NOT OptiX_FIND_QUIETLY) 72 endif() 73endfunction() 74 75if(NOT OptiX_INCLUDE) 76 OptiX_report_error("OptiX headers (optix.h and friends) not found." TRUE headers ) 77endif() 78 79