118 lines
3.6 KiB
CMake
118 lines
3.6 KiB
CMake
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if(DRACO_CMAKE_DRACO_BUILD_DEFINITIONS_CMAKE_)
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return()
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endif() # DRACO_CMAKE_DRACO_BUILD_DEFINITIONS_CMAKE_
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set(DRACO_CMAKE_DRACO_BUILD_DEFINITIONS_CMAKE_ 1)
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# Utility for controlling the main draco library dependency. This changes in
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# shared builds, and when an optional target requires a shared library build.
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macro(set_draco_target)
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if(MSVC OR WIN32)
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set(draco_dependency draco)
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set(draco_plugin_dependency ${draco_dependency})
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else()
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if(BUILD_SHARED_LIBS)
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set(draco_dependency draco_shared)
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else()
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set(draco_dependency draco_static)
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endif()
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set(draco_plugin_dependency draco_static)
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endif()
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if(BUILD_SHARED_LIBS)
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set(CMAKE_POSITION_INDEPENDENT_CODE ON)
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endif()
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endmacro()
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# Configures flags and sets build system globals.
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macro(draco_set_build_definitions)
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string(TOLOWER "${CMAKE_BUILD_TYPE}" build_type_lowercase)
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if(build_type_lowercase MATCHES "rel" AND DRACO_FAST)
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if(MSVC)
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list(APPEND draco_msvc_cxx_flags "/Ox")
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else()
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list(APPEND draco_base_cxx_flags "-O3")
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endif()
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endif()
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draco_load_version_info()
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set(DRACO_SOVERSION 1)
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list(APPEND draco_include_paths "${draco_root}" "${draco_root}/src"
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"${draco_build}")
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if(DRACO_ABSL)
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list(APPEND draco_include_path "${draco_root}/third_party/abseil-cpp")
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endif()
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list(APPEND draco_gtest_include_paths
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"${draco_root}/../googletest/googlemock/include"
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"${draco_root}/../googletest/googlemock"
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"${draco_root}/../googletest/googletest/include"
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"${draco_root}/../googletest/googletest")
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list(APPEND draco_test_include_paths ${draco_include_paths}
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${draco_gtest_include_paths})
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list(APPEND draco_defines "DRACO_CMAKE=1"
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"DRACO_FLAGS_SRCDIR=\"${draco_root}\""
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"DRACO_FLAGS_TMPDIR=\"/tmp\"")
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if(MSVC OR WIN32)
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list(APPEND draco_defines "_CRT_SECURE_NO_DEPRECATE=1" "NOMINMAX=1")
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if(BUILD_SHARED_LIBS)
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set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS TRUE)
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endif()
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endif()
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if(ANDROID)
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if(CMAKE_ANDROID_ARCH_ABI STREQUAL "armeabi-v7a")
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set(CMAKE_ANDROID_ARM_MODE ON)
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endif()
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endif()
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set_draco_target()
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if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
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if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS "6")
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# Quiet warnings in copy-list-initialization where {} elision has always
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# been allowed.
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list(APPEND draco_clang_cxx_flags "-Wno-missing-braces")
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endif()
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endif()
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if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
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if(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL "7")
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if(CMAKE_SYSTEM_PROCESSOR STREQUAL "armv7")
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# Quiet gcc 6 vs 7 abi warnings:
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# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77728
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list(APPEND draco_base_cxx_flags "-Wno-psabi")
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list(APPEND ABSL_GCC_FLAGS "-Wno-psabi")
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endif()
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endif()
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endif()
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# Source file names ending in these suffixes will have the appropriate
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# compiler flags added to their compile commands to enable intrinsics.
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set(draco_neon_source_file_suffix "neon.cc")
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set(draco_sse4_source_file_suffix "sse4.cc")
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if((${CMAKE_CXX_COMPILER_ID}
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STREQUAL
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"GNU"
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AND ${CMAKE_CXX_COMPILER_VERSION} VERSION_LESS 5)
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OR (${CMAKE_CXX_COMPILER_ID}
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STREQUAL
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"Clang"
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AND ${CMAKE_CXX_COMPILER_VERSION} VERSION_LESS 4))
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message(
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WARNING "GNU/GCC < v5 or Clang/LLVM < v4, ENABLING COMPATIBILITY MODE.")
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draco_enable_feature(FEATURE "DRACO_OLD_GCC")
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endif()
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if(EMSCRIPTEN)
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draco_check_emscripten_environment()
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draco_get_required_emscripten_flags(FLAG_LIST_VAR draco_base_cxx_flags)
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endif()
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endmacro()
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