diff options
Diffstat (limited to 'Modules')
| -rw-r--r-- | Modules/CheckIPOSupported.cmake | 37 | ||||
| -rw-r--r-- | Modules/Compiler/Clang-CUDA.cmake | 4 | ||||
| -rw-r--r-- | Modules/Compiler/NVIDIA-CUDA.cmake | 8 |
3 files changed, 36 insertions, 13 deletions
diff --git a/Modules/CheckIPOSupported.cmake b/Modules/CheckIPOSupported.cmake index f0b4fd61fb..14262a1640 100644 --- a/Modules/CheckIPOSupported.cmake +++ b/Modules/CheckIPOSupported.cmake @@ -76,6 +76,23 @@ endmacro() # Run IPO/LTO test macro(_ipo_run_language_check language) + set(_C_ext "c") + set(_CXX_ext "cpp") + set(_Fortran_ext "f") + string(COMPARE EQUAL "${language}" "CUDA" is_cuda) + + set(ext ${_${language}_ext}) + if(NOT "${ext}" STREQUAL "") + set(copy_sources foo.${ext} main.${ext}) + elseif(is_cuda) + if(_CMAKE_CUDA_IPO_SUPPORTED_BY_CMAKE) + set("${X_RESULT}" YES PARENT_SCOPE) + endif() + return() + else() + message(FATAL_ERROR "Language not supported") + endif() + set(testdir "${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/_CMakeLTOTest-${language}") file(REMOVE_RECURSE "${testdir}") @@ -91,17 +108,6 @@ macro(_ipo_run_language_check language) set(try_compile_src "${CMAKE_ROOT}/Modules/CheckIPOSupported") - set(_C_ext "c") - set(_CXX_ext "cpp") - set(_Fortran_ext "f") - - set(ext ${_${language}_ext}) - if(NOT "${ext}" STREQUAL "") - set(copy_sources foo.${ext} main.${ext}) - else() - message(FATAL_ERROR "Language not supported") - endif() - # Use: # * TRY_COMPILE_PROJECT_NAME # * CMAKE_VERSION @@ -211,6 +217,11 @@ function(check_ipo_supported) list(APPEND languages "C") endif() + list(FIND enabled_languages "CUDA" result) + if(NOT result EQUAL -1) + list(APPEND languages "CUDA") + endif() + list(FIND enabled_languages "Fortran" result) if(NOT result EQUAL -1) list(APPEND languages "Fortran") @@ -219,7 +230,7 @@ function(check_ipo_supported) string(COMPARE EQUAL "${languages}" "" no_languages) if(no_languages) _ipo_not_supported( - "no C/CXX/Fortran languages found in ENABLED_LANGUAGES global property" + "no C/CXX/CUDA/Fortran languages found in ENABLED_LANGUAGES global property" ) return() endif() @@ -227,7 +238,7 @@ function(check_ipo_supported) set(languages "${X_LANGUAGES}") set(unsupported_languages "${languages}") - list(REMOVE_ITEM unsupported_languages "C" "CXX" "Fortran") + list(REMOVE_ITEM unsupported_languages "C" "CXX" "CUDA" "Fortran") string(COMPARE NOTEQUAL "${unsupported_languages}" "" has_unsupported) if(has_unsupported) _ipo_not_supported( diff --git a/Modules/Compiler/Clang-CUDA.cmake b/Modules/Compiler/Clang-CUDA.cmake index 219897e4e1..d9929f1f0f 100644 --- a/Modules/Compiler/Clang-CUDA.cmake +++ b/Modules/Compiler/Clang-CUDA.cmake @@ -35,6 +35,10 @@ set(CMAKE_CUDA_RUNTIME_LIBRARY_LINK_OPTIONS_STATIC "cudadevrt;cudart_static") set(CMAKE_CUDA_RUNTIME_LIBRARY_LINK_OPTIONS_SHARED "cudadevrt;cudart") set(CMAKE_CUDA_RUNTIME_LIBRARY_LINK_OPTIONS_NONE "") +# Clang doesn't support CUDA device LTO +set(_CMAKE_CUDA_IPO_SUPPORTED_BY_CMAKE NO) +set(_CMAKE_CUDA_IPO_MAY_BE_SUPPORTED_BY_COMPILER NO) + if(UNIX) list(APPEND CMAKE_CUDA_RUNTIME_LIBRARY_LINK_OPTIONS_STATIC "rt" "pthread" "dl") endif() diff --git a/Modules/Compiler/NVIDIA-CUDA.cmake b/Modules/Compiler/NVIDIA-CUDA.cmake index 33509ac70e..2b8a1ea2ba 100644 --- a/Modules/Compiler/NVIDIA-CUDA.cmake +++ b/Modules/Compiler/NVIDIA-CUDA.cmake @@ -48,6 +48,13 @@ if((NOT DEFINED CMAKE_DEPENDS_USE_COMPILER OR CMAKE_DEPENDS_USE_COMPILER) set(CMAKE_CUDA_DEPENDS_USE_COMPILER TRUE) endif() +if(CMAKE_CUDA_COMPILER_VERSION VERSION_GREATER_EQUAL 11.2) + set(_CMAKE_CUDA_IPO_SUPPORTED_BY_CMAKE YES) + set(_CMAKE_CUDA_IPO_MAY_BE_SUPPORTED_BY_COMPILER YES) + + set(CMAKE_CUDA_DEVICE_LINK_OPTIONS_IPO " -dlto") +endif() + if(NOT "x${CMAKE_CUDA_SIMULATE_ID}" STREQUAL "xMSVC") set(CMAKE_CUDA_COMPILE_OPTIONS_PIE -Xcompiler=-fPIE) set(CMAKE_CUDA_COMPILE_OPTIONS_PIC -Xcompiler=-fPIC) @@ -61,6 +68,7 @@ if(NOT "x${CMAKE_CUDA_SIMULATE_ID}" STREQUAL "xMSVC") string(APPEND CMAKE_CUDA_FLAGS_MINSIZEREL_INIT " -O1 -DNDEBUG") string(APPEND CMAKE_CUDA_FLAGS_RELWITHDEBINFO_INIT " -O2 -g -DNDEBUG") endif() + set(CMAKE_SHARED_LIBRARY_CREATE_CUDA_FLAGS -shared) set(CMAKE_INCLUDE_SYSTEM_FLAG_CUDA -isystem=) |