diff options
Diffstat (limited to 'libclc/CMakeLists.txt')
| -rw-r--r-- | libclc/CMakeLists.txt | 48 |
1 files changed, 32 insertions, 16 deletions
diff --git a/libclc/CMakeLists.txt b/libclc/CMakeLists.txt index e4e9a74..5b95edc 100644 --- a/libclc/CMakeLists.txt +++ b/libclc/CMakeLists.txt @@ -42,6 +42,16 @@ set( LIBCLC_TARGETS_TO_BUILD "all" option( ENABLE_RUNTIME_SUBNORMAL "Enable runtime linking of subnormal support." OFF ) +option( + LIBCLC_USE_SPIRV_BACKEND "Build SPIR-V targets with the SPIR-V backend." OFF +) + +# Top level target used to build all Libclc libraries. +add_custom_target( libclc ALL ) + +add_custom_target( libclc-opencl-builtins COMMENT "Build libclc OpenCL builtins" ) +add_dependencies( libclc libclc-opencl-builtins ) + if( LIBCLC_STANDALONE_BUILD OR CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR ) # Out-of-tree configuration set( LIBCLC_STANDALONE_BUILD TRUE ) @@ -109,14 +119,17 @@ foreach( tool IN ITEMS clang opt llvm-as llvm-link ) endif() endforeach() -# llvm-spirv is an optional dependency, used to build spirv-* targets. -# It may be provided in-tree or externally. -if( TARGET llvm-spirv ) - get_host_tool_path( llvm-spirv LLVM_SPIRV llvm-spirv_exe llvm-spirv_target ) -else() - find_program( LLVM_SPIRV llvm-spirv HINTS ${LLVM_TOOLS_BINARY_DIR} ) - set( llvm-spirv_exe "${LLVM_SPIRV}" ) - set( llvm-spirv_target ) +if( NOT LIBCLC_USE_SPIRV_BACKEND ) + # llvm-spirv is an optional dependency, used to build spirv-* targets when + # the SPIR-V backend hasn't been requested. It may be provided in-tree or + # externally. + if( TARGET llvm-spirv ) + get_host_tool_path( llvm-spirv LLVM_SPIRV llvm-spirv_exe llvm-spirv_target ) + else() + find_program( LLVM_SPIRV llvm-spirv HINTS ${LLVM_TOOLS_BINARY_DIR} ) + set( llvm-spirv_exe "${LLVM_SPIRV}" ) + set( llvm-spirv_target ) + endif() endif() # List of all targets. Note that some are added dynamically below. @@ -132,22 +145,24 @@ set( LIBCLC_TARGETS_ALL nvptx64--nvidiacl ) -# mesa3d environment is only available since LLVM 4.0 +# The mesa3d environment is only available since LLVM 4.0 if( LLVM_PACKAGE_VERSION VERSION_GREATER_EQUAL 4.0.0 ) list( APPEND LIBCLC_TARGETS_ALL amdgcn-mesa-mesa3d ) endif() -# spirv-mesa3d and spirv64-mesa3d targets can only be built with the (optional) -# llvm-spirv external tool. -if( llvm-spirv_exe ) - list( APPEND LIBCLC_TARGETS_ALL spirv-mesa3d- spirv64-mesa3d- ) +# The spirv-mesa3d and spirv64-mesa3d targets are optional and can be built +# with either the LLVM SPIR-V backend or the external llvm-spirv tool. +if( LIBCLC_USE_SPIRV_BACKEND OR llvm-spirv_exe ) + list( APPEND LIBCLC_TARGETS_ALL spirv-mesa3d- spirv64-mesa3d- ) endif() # Verify that the user hasn't requested mesa3d targets without an available # llvm-spirv tool. -if( "spirv-mesa3d-" IN_LIST LIBCLC_TARGETS_TO_BUILD OR "spirv64-mesa3d-" IN_LIST LIBCLC_TARGETS_TO_BUILD ) - if( NOT llvm-spirv_exe ) - message( FATAL_ERROR "SPIR-V targets requested, but spirv-tools is not installed" ) +if( spirv-mesa3d- IN_LIST LIBCLC_TARGETS_TO_BUILD + OR spirv64-mesa3d- IN_LIST LIBCLC_TARGETS_TO_BUILD ) + if( NOT LIBCLC_USE_SPIRV_BACKEND AND NOT llvm-spirv_exe ) + message( FATAL_ERROR "SPIR-V targets requested, but spirv-tools is not " + "installed and the SPIR-V backend has not been requested." ) endif() endif() @@ -463,6 +478,7 @@ foreach( t ${LIBCLC_TARGETS_TO_BUILD} ) LIB_FILES ${opencl_lib_files} GEN_FILES ${opencl_gen_files} ALIASES ${${d}_aliases} + PARENT_TARGET libclc-opencl-builtins # Link in the CLC builtins and internalize their symbols INTERNAL_LINK_DEPENDENCIES builtins.link.clc-${arch_suffix} ) |