219 lines
8.1 KiB
CMake
219 lines
8.1 KiB
CMake
# Copyright 2017 The Dawn Authors
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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cmake_minimum_required(VERSION 2.8)
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project(nxt C CXX)
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if(CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR)
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message(FATAL_ERROR
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"In-source builds are unsupported. Use another directory, like build/, "
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"as your CMake build directory.\n"
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"Note: CMakeFiles/ and CMakeCache.txt may have been generated in the "
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"source directory. These may be removed.")
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endif()
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if(NOT CMAKE_BUILD_TYPE)
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set(CMAKE_BUILD_TYPE "Debug" CACHE STRING
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"Build type (Debug, Release, RelWithDebInfo, MinSizeRel)" FORCE)
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endif()
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################################################################################
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# Configuration options
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################################################################################
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option(NXT_USE_WERROR "Treat warnings as error (useful for CI)" 0)
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# Default values for the backend-enabling options
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set(ENABLE_D3D12 OFF)
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set(ENABLE_METAL OFF)
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if (WIN32)
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set(ENABLE_D3D12 ON)
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elseif(APPLE)
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set(ENABLE_METAL ON)
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endif()
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option(NXT_ENABLE_D3D12 "Enable compilation of the D3D12 backend" ${ENABLE_D3D12})
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option(NXT_ENABLE_METAL "Enable compilation of the Metal backend" ${ENABLE_METAL})
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option(NXT_ENABLE_NULL "Enable compilation of the Null backend" ON)
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option(NXT_ENABLE_OPENGL "Enable compilation of the OpenGL backend" ON)
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option(NXT_ENABLE_VULKAN "Enable compilation of the Vulkan backend" OFF)
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option(NXT_ALWAYS_ASSERT "Enable assertions on all build types" OFF)
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option(NXT_USE_CPP17 "Use some optional C++17 features for compile-time checks" OFF)
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################################################################################
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# Precompute compile flags and defines, functions to set them
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################################################################################
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set(NXT_FLAGS "")
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set(NXT_DEFS "")
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set(NXT_INTERNAL_FLAGS "")
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set(NXT_INTERNAL_DEFS "")
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set(NXT_GENERATED_FLAGS "")
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set(NXT_ENABLE_ASSERTS $<OR:$<CONFIG:Debug>,$<BOOL:${NXT_ALWAYS_ASSERT}>>)
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list(APPEND NXT_DEFS $<${NXT_ENABLE_ASSERTS}:NXT_ENABLE_ASSERTS>)
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if (NXT_USE_CPP17)
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list(APPEND NXT_INTERNAL_DEFS "NXT_CPP_VERSION=17")
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else()
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list(APPEND NXT_INTERNAL_DEFS "NXT_CPP_VERSION=14")
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endif()
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if (NXT_ENABLE_D3D12)
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list(APPEND NXT_INTERNAL_DEFS "NXT_ENABLE_BACKEND_D3D12")
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endif()
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if (NXT_ENABLE_METAL)
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list(APPEND NXT_INTERNAL_DEFS "NXT_ENABLE_BACKEND_METAL")
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endif()
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if (NXT_ENABLE_NULL)
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list(APPEND NXT_INTERNAL_DEFS "NXT_ENABLE_BACKEND_NULL")
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endif()
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if (NXT_ENABLE_OPENGL)
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list(APPEND NXT_INTERNAL_DEFS "NXT_ENABLE_BACKEND_OPENGL")
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endif()
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if (NXT_ENABLE_VULKAN)
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list(APPEND NXT_INTERNAL_DEFS "NXT_ENABLE_BACKEND_VULKAN")
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endif()
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if (WIN32)
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# Define NOMINMAX to prevent conflicts between std::min/max and the min/max macros in WinDef.h
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list(APPEND NXT_DEFS "NOMINMAX")
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# Avoid Windows.h including a lot of headers
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list(APPEND NXT_DEFS "WIN32_LEAN_AND_MEAN")
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# Remove compile error where the mock NXT creates too many sections for the old obj format.
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list(APPEND NXT_FLAGS "/bigobj")
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endif()
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if (MSVC)
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list(APPEND NXT_FLAGS "/std:c++14")
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list(APPEND NXT_FLAGS "/EHsc")
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list(APPEND NXT_INTERNAL_FLAGS "/W4")
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# Allow declarations hiding members as it is used all over NXT
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list(APPEND NXT_INTERNAL_FLAGS "/wd4458")
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list(APPEND NXT_INTERNAL_FLAGS "/wd4996") # Allow deprecated functions like strncpy
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list(APPEND NXT_GENERATED_FLAGS "/wd4702") # Allow unreachable code
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list(APPEND NXT_GENERATED_FLAGS "/wd4189") # Allow unused variable
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if(NXT_USE_WERROR)
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list(APPEND NXT_INTERNAL_FLAGS "/WX")
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endif()
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else()
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# Activate C++14 only on C++ files, not C files.
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list(APPEND NXT_FLAGS "$<$<STREQUAL:$<TARGET_PROPERTY:LINKER_LANGUAGE>,CXX>:-std=c++14>")
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# enable -Wold-style-cast on C++
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list(APPEND NXT_FLAGS "$<$<STREQUAL:$<TARGET_PROPERTY:LINKER_LANGUAGE>,CXX>:-Wold-style-cast>")
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list(APPEND NXT_FLAGS "-fPIC")
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list(APPEND NXT_INTERNAL_FLAGS "-Wall" "-Wextra")
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list(APPEND NXT_INTERNAL_FLAGS "-pedantic")
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list(APPEND NXT_GENERATED_FLAGS "-Wno-unused-variable" "-Wno-unused-function")
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if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
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# don't break the build on older clang versions
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list(APPEND NXT_INTERNAL_FLAGS "-Wno-error=unknown-warning-option")
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# GCC's conversion warnings are less useful than clang's
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list(APPEND NXT_INTERNAL_FLAGS "-Wconversion" "-Wno-sign-conversion")
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# disable a clang-only -pedantic warning
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list(APPEND NXT_INTERNAL_FLAGS "-Wno-gnu-zero-variadic-macro-arguments")
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# additional potentially useful warnings (feel free to remove if they prove un-useful)
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list(APPEND NXT_INTERNAL_FLAGS "-Wextra-semi")
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list(APPEND NXT_INTERNAL_FLAGS "-Wstrict-aliasing")
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list(APPEND NXT_INTERNAL_FLAGS "-Wunreachable-code")
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list(APPEND NXT_GENERATED_FLAGS "-Wno-unreachable-code")
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# Probably okay to enable if we establish a field naming convention:
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#list(APPEND NXT_INTERNAL_FLAGS "-Wshadow")
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endif()
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if(NXT_USE_WERROR)
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list(APPEND NXT_INTERNAL_FLAGS "-Werror")
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endif()
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endif()
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function(NXTExternalTarget folder target)
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set_property(TARGET ${target} APPEND PROPERTY COMPILE_OPTIONS ${NXT_FLAGS})
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set_property(TARGET ${target} APPEND PROPERTY COMPILE_DEFINITIONS ${NXT_DEFS})
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set_property(TARGET ${target} PROPERTY FOLDER "nxt/${folder}")
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endfunction()
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function(NXTInternalTarget folder target)
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NXTExternalTarget("${folder}" ${target})
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set_property(TARGET ${target} APPEND PROPERTY COMPILE_OPTIONS ${NXT_INTERNAL_FLAGS})
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set_property(TARGET ${target} APPEND PROPERTY COMPILE_DEFINITIONS ${NXT_INTERNAL_DEFS})
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# Group the target sources by folder to have folders show in Visual Studio
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if (MSVC)
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get_target_property(targetSources ${target} SOURCES)
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foreach(sourceFile IN ITEMS ${targetSources})
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if (IS_ABSOLUTE "${sourceFile}")
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file(RELATIVE_PATH sourceFile "${CMAKE_CURRENT_SOURCE_DIR}" "${sourceFile}")
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endif()
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get_filename_component(sourceDir "${sourceFile}" PATH)
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string(REPLACE "/" "\\" sourceDir "${sourceDir}")
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source_group("${sourceDir}" FILES "${sourceFile}")
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endforeach()
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endif()
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endfunction()
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# Enable the creation of folders for Visual Studio projects
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set_property(GLOBAL PROPERTY USE_FOLDERS ON)
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# Output shared libs and executables directly in the build directory
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set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR})
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set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR})
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################################################################################
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# Generate the C and C++ NXT APIs
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################################################################################
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set(INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/src/include)
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set(SRC_DIR ${CMAKE_CURRENT_SOURCE_DIR}/src)
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add_subdirectory(generator)
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Generate(
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LIB_NAME nxt
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LIB_TYPE STATIC
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PRINT_NAME libNXT
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COMMAND_LINE_ARGS
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${GENERATOR_COMMON_ARGS}
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-T nxt
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)
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target_include_directories(nxt PUBLIC ${GENERATED_DIR})
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Generate(
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LIB_NAME nxtcpp
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LIB_TYPE STATIC
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PRINT_NAME libNXT++
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COMMAND_LINE_ARGS
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${GENERATOR_COMMON_ARGS}
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-T nxtcpp
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)
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target_include_directories(nxtcpp PUBLIC ${GENERATED_DIR} PUBLIC ${INCLUDE_DIR})
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target_link_libraries(nxtcpp nxt)
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################################################################################
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# Call to other CMakeLists.txt
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################################################################################
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add_subdirectory(third_party)
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add_subdirectory(src/common)
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add_subdirectory(src/backend)
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add_subdirectory(src/wire)
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add_subdirectory(src/utils)
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add_subdirectory(src/tests)
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add_subdirectory(examples)
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