CUDA: Add basic CUDA language support for *NIX systems.

1 files changed, 109 insertions, 0 deletions

diff --git a/Modules/CMakeCUDAInformation.cmake b/Modules/CMakeCUDAInformation.cmake
new file mode 100644
index 0000000000..3436681b30
--- /dev/null
+++ b/Modules/CMakeCUDAInformation.cmake
@@ -0,0 +1,109 @@
+# Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
+# file Copyright.txt or https://cmake.org/licensing for details.
+
+set(CMAKE_CUDA_OUTPUT_EXTENSION .o)
+set(CMAKE_INCLUDE_FLAG_CUDA "-I")
+
+# Load compiler-specific information.
+if(CMAKE_CUDA_COMPILER_ID)
+  include(Compiler/${CMAKE_CUDA_COMPILER_ID}-CUDA OPTIONAL)
+else()
+  #couldn't id the cuda compile, fall back to the default setting
+  set(CMAKE_CUDA_COMPILER_ID "NVidia")
+  include(Compiler/NVidia-CUDA OPTIONAL)
+endif()
+
+# load the system- and compiler specific files
+if(CMAKE_CUDA_COMPILER_ID)
+  # load a hardware specific file, mostly useful for embedded compilers
+  if(CMAKE_SYSTEM_PROCESSOR)
+    include(Platform/${CMAKE_SYSTEM_NAME}-${CMAKE_CUDA_COMPILER_ID}-CUDA-${CMAKE_SYSTEM_PROCESSOR} OPTIONAL)
+  endif()
+  include(Platform/${CMAKE_SYSTEM_NAME}-${CMAKE_CUDA_COMPILER_ID}-CUDA OPTIONAL)
+endif()
+
+# for most systems a module is the same as a shared library
+# so unless the variable CMAKE_MODULE_EXISTS is set just
+# copy the values from the LIBRARY variables
+if(NOT CMAKE_MODULE_EXISTS)
+  set(CMAKE_SHARED_MODULE_CUDA_FLAGS ${CMAKE_SHARED_LIBRARY_CUDA_FLAGS})
+  set(CMAKE_SHARED_MODULE_CREATE_CUDA_FLAGS ${CMAKE_SHARED_LIBRARY_CREATE_CUDA_FLAGS})
+endif()
+
+# add the flags to the cache based
+# on the initial values computed in the platform/*.cmake files
+# use _INIT variables so that this only happens the first time
+# and you can set these flags in the cmake cache
+set(CMAKE_CUDA_FLAGS_INIT "$ENV{CUDAFLAGS} ${CMAKE_CUDA_FLAGS_INIT}")
+
+foreach(c "" _DEBUG _RELEASE _MINSIZEREL _RELWITHDEBINFO)
+  string(STRIP "${CMAKE_CUDA_FLAGS${c}_INIT}" CMAKE_CUDA_FLAGS${c}_INIT)
+endforeach()
+
+set (CMAKE_CUDA_FLAGS "${CMAKE_CUDA_FLAGS_INIT}" CACHE STRING
+     "Flags used by the compiler during all build types.")
+
+if(NOT CMAKE_NOT_USING_CONFIG_FLAGS)
+  set (CMAKE_CUDA_FLAGS_DEBUG "${CMAKE_CUDA_FLAGS_DEBUG_INIT}" CACHE STRING
+     "Flags used by the compiler during debug builds.")
+  set (CMAKE_CUDA_FLAGS_MINSIZEREL "${CMAKE_CUDA_FLAGS_MINSIZEREL_INIT}" CACHE STRING
+     "Flags used by the compiler during release builds for minimum size.")
+  set (CMAKE_CUDA_FLAGS_RELEASE "${CMAKE_CUDA_FLAGS_RELEASE_INIT}" CACHE STRING
+     "Flags used by the compiler during release builds.")
+  set (CMAKE_CUDA_FLAGS_RELWITHDEBINFO "${CMAKE_CUDA_FLAGS_RELWITHDEBINFO_INIT}" CACHE STRING
+     "Flags used by the compiler during release builds with debug info.")
+
+endif()
+
+include(CMakeCommonLanguageInclude)
+
+# now define the following rules:
+# CMAKE_CUDA_CREATE_SHARED_LIBRARY
+# CMAKE_CUDA_CREATE_SHARED_MODULE
+# CMAKE_CUDA_COMPILE_OBJECT
+# CMAKE_CUDA_LINK_EXECUTABLE
+
+# create a shared library
+if(NOT CMAKE_CUDA_CREATE_SHARED_LIBRARY)
+  set(CMAKE_CUDA_CREATE_SHARED_LIBRARY
+      "<CMAKE_CUDA_COMPILER> <CMAKE_SHARED_LIBRARY_CUDA_FLAGS> <LANGUAGE_COMPILE_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_CUDA_FLAGS> <SONAME_FLAG><TARGET_SONAME> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>")
+endif()
+
+# create a shared module copy the shared library rule by default
+if(NOT CMAKE_CUDA_CREATE_SHARED_MODULE)
+  set(CMAKE_CUDA_CREATE_SHARED_MODULE ${CMAKE_CUDA_CREATE_SHARED_LIBRARY})
+endif()
+
+# Create a static archive incrementally for large object file counts.
+if(NOT DEFINED CMAKE_CUDA_ARCHIVE_CREATE)
+  set(CMAKE_CUDA_ARCHIVE_CREATE "<CMAKE_AR> qc <TARGET> <LINK_FLAGS> <OBJECTS>")
+endif()
+if(NOT DEFINED CMAKE_CUDA_ARCHIVE_APPEND)
+  set(CMAKE_CUDA_ARCHIVE_APPEND "<CMAKE_AR> q  <TARGET> <LINK_FLAGS> <OBJECTS>")
+endif()
+if(NOT DEFINED CMAKE_CUDA_ARCHIVE_FINISH)
+  set(CMAKE_CUDA_ARCHIVE_FINISH "<CMAKE_RANLIB> <TARGET>")
+endif()
+
+
+# compile a cu file into an object file
+if(NOT CMAKE_CUDA_COMPILE_OBJECT)
+  set(CMAKE_CUDA_COMPILE_OBJECT
+    "<CMAKE_CUDA_COMPILER>  <DEFINES> <INCLUDES> <FLAGS> -o <OBJECT> -c <SOURCE>")
+endif()
+
+# compile a cu file into an executable
+if(NOT CMAKE_CUDA_LINK_EXECUTABLE)
+  set(CMAKE_CUDA_LINK_EXECUTABLE
+    "<CMAKE_CUDA_COMPILER>  <FLAGS> <CMAKE_CUDA_LINK_FLAGS> <LINK_FLAGS> <OBJECTS>  -o <TARGET> <LINK_LIBRARIES>")
+endif()
+
+
+mark_as_advanced(
+CMAKE_CUDA_FLAGS
+CMAKE_CUDA_FLAGS_RELEASE
+CMAKE_CUDA_FLAGS_RELWITHDEBINFO
+CMAKE_CUDA_FLAGS_MINSIZEREL
+CMAKE_CUDA_FLAGS_DEBUG)
+
+set(CMAKE_CUDA_INFORMATION_LOADED 1)