DirectXShaderCompiler/external/CMakeLists.txt

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3.5 KiB
CMake

# Define root location for all external dependencies
set(DXC_EXTERNAL_ROOT_DIR "${CMAKE_CURRENT_SOURCE_DIR}"
CACHE STRING "Root location of all external projects")
# Enabling SPIR-V codegen requires SPIRV-Headers for spirv.hpp and
# SPIRV-Tools for SPIR-V disassembling functionality.
if (${ENABLE_SPIRV_CODEGEN})
set(DXC_SPIRV_HEADERS_DIR "${DXC_EXTERNAL_ROOT_DIR}/SPIRV-Headers"
CACHE STRING "Location of SPIRV-Headers source")
set(DXC_SPIRV_TOOLS_DIR "${DXC_EXTERNAL_ROOT_DIR}/SPIRV-Tools"
CACHE STRING "Location of SPIRV-Tools source")
if (IS_DIRECTORY ${DXC_SPIRV_HEADERS_DIR})
add_subdirectory(${DXC_SPIRV_HEADERS_DIR} EXCLUDE_FROM_ALL)
endif()
if (NOT DEFINED SPIRV-Headers_SOURCE_DIR)
message(FATAL_ERROR "SPIRV-Headers was not found - required for SPIR-V codegen")
else()
set(SPIRV_HEADER_INCLUDE_DIR ${SPIRV-Headers_SOURCE_DIR}/include PARENT_SCOPE)
endif()
if (IS_DIRECTORY ${DXC_SPIRV_TOOLS_DIR})
# We only need the library from SPIRV-Tools.
set(SPIRV_SKIP_EXECUTABLES ON CACHE BOOL "Skip building SPIRV-Tools executables")
add_subdirectory(${DXC_SPIRV_TOOLS_DIR} EXCLUDE_FROM_ALL)
endif()
if (NOT TARGET SPIRV-Tools)
message(FATAL_ERROR "SPIRV-Tools was not found - required for SPIR-V codegen")
else()
set(SPIRV_TOOLS_INCLUDE_DIR ${SPIRV-Tools_SOURCE_DIR}/include PARENT_SCOPE)
endif()
set(SPIRV_DEP_TARGETS
SPIRV-Tools
SPIRV-Tools-opt
)
# Organize these targets better in Visual Studio
foreach(target ${SPIRV_DEP_TARGETS})
set_property(TARGET ${target} PROPERTY FOLDER "External dependencies")
endforeach()
# We need GoogleTest for unit and SPIR-V codegen testing.
if (${SPIRV_BUILD_TESTS})
set(DXC_GTEST_DIR "${DXC_EXTERNAL_ROOT_DIR}/googletest"
CACHE STRING "Location of GoogleTest source")
if (IS_DIRECTORY ${DXC_GTEST_DIR})
# Configure googletest
include(GTestConfig.cmake)
endif()
if (NOT TARGET gtest)
message(FATAL_ERROR "GoogleTest was not found - required for SPIR-V codegen")
endif()
endif()
# We need Effcee for SPIR-V codegen testing.
if (${SPIRV_BUILD_TESTS})
# re2 is needed since it's required by effcee.
set(DXC_RE2_DIR "${DXC_EXTERNAL_ROOT_DIR}/re2" CACHE STRING "Location of RE2 source")
set(DXC_EFFCEE_DIR "${DXC_EXTERNAL_ROOT_DIR}/effcee" CACHE STRING "Location of Effcee source")
if (IS_DIRECTORY ${DXC_RE2_DIR})
# Avoid exception handling warning from MSVC.
# This add_compile_options() will only affect the current directory and its subdirectories.
add_compile_options(/EHs)
# Don't build/run re2's tests.
set(RE2_BUILD_TESTING OFF CACHE BOOL "Skip RE2 tests")
add_subdirectory(${DXC_RE2_DIR} EXCLUDE_FROM_ALL)
endif()
if (IS_DIRECTORY ${DXC_EFFCEE_DIR})
# Configure effcee
set(EFFCEE_RE2_DIR "${DXC_RE2_DIR}" CACHE STRING "Location of RE2 for effcee")
set(EFFCEE_ENABLE_SHARED_CRT ON CACHE BOOL "Enable using shared C Runtime")
# Don't build/run effcee's tests.
set(EFFCEE_BUILD_TESTING OFF CACHE BOOL "Skip effcee tests")
set(EFFCEE_BUILD_SAMPLES OFF CACHE BOOL "Skip building effcee examples")
add_subdirectory(${DXC_EFFCEE_DIR} EXCLUDE_FROM_ALL)
endif()
# Organize these targets better in Visual Studio
set(SPIRV_TEST_DEP_TARGETS
effcee
re2
)
foreach(target ${SPIRV_TEST_DEP_TARGETS})
set_property(TARGET ${target} PROPERTY FOLDER "External dependencies")
endforeach()
endif()
endif()