assimp/contrib/draco/cmake/draco_build_definitions.cmake

125 lines
3.8 KiB
CMake

if(DRACO_CMAKE_DRACO_BUILD_DEFINITIONS_CMAKE_)
return()
endif() # DRACO_CMAKE_DRACO_BUILD_DEFINITIONS_CMAKE_
set(DRACO_CMAKE_DRACO_BUILD_DEFINITIONS_CMAKE_ 1)
# Utility for controlling the main draco library dependency. This changes in
# shared builds, and when an optional target requires a shared library build.
macro(set_draco_target)
if(MSVC)
set(draco_dependency draco)
set(draco_plugin_dependency ${draco_dependency})
else()
if(BUILD_SHARED_LIBS)
set(draco_dependency draco_shared)
else()
set(draco_dependency draco_static)
endif()
set(draco_plugin_dependency draco_static)
endif()
if(BUILD_SHARED_LIBS)
set(CMAKE_POSITION_INDEPENDENT_CODE ON)
endif()
endmacro()
# Configures flags and sets build system globals.
macro(draco_set_build_definitions)
string(TOLOWER "${CMAKE_BUILD_TYPE}" build_type_lowercase)
if(build_type_lowercase MATCHES "rel" AND DRACO_FAST)
if(MSVC)
list(APPEND draco_msvc_cxx_flags "/Ox")
else()
list(APPEND draco_base_cxx_flags "-O3")
endif()
endif()
draco_load_version_info()
set(DRACO_SOVERSION 1)
list(APPEND draco_include_paths "${draco_root}" "${draco_root}/src"
"${draco_build}")
if(DRACO_ABSL)
list(APPEND draco_include_path "${draco_root}/third_party/abseil-cpp")
endif()
list(APPEND draco_gtest_include_paths
"${draco_root}/../googletest/googlemock/include"
"${draco_root}/../googletest/googlemock"
"${draco_root}/../googletest/googletest/include"
"${draco_root}/../googletest/googletest")
list(APPEND draco_test_include_paths ${draco_include_paths}
${draco_gtest_include_paths})
list(APPEND draco_defines "DRACO_CMAKE=1"
"DRACO_FLAGS_SRCDIR=\"${draco_root}\""
"DRACO_FLAGS_TMPDIR=\"/tmp\"")
if(MSVC OR WIN32)
list(APPEND draco_defines "_CRT_SECURE_NO_DEPRECATE=1" "NOMINMAX=1")
if(BUILD_SHARED_LIBS)
set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS TRUE)
endif()
else()
if(${CMAKE_SIZEOF_VOID_P} EQUAL 8)
# Ensure 64-bit platforms can support large files.
list(APPEND draco_defines "_LARGEFILE_SOURCE" "_FILE_OFFSET_BITS=64")
endif()
endif()
if(ANDROID)
if(CMAKE_ANDROID_ARCH_ABI STREQUAL "armeabi-v7a")
set(CMAKE_ANDROID_ARM_MODE ON)
endif()
endif()
set_draco_target()
if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS "6")
# Quiet warnings in copy-list-initialization where {} elision has always
# been allowed.
list(APPEND draco_clang_cxx_flags "-Wno-missing-braces")
endif()
endif()
if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
if(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL "7")
if(CMAKE_SYSTEM_PROCESSOR STREQUAL "armv7")
# Quiet gcc 6 vs 7 abi warnings:
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77728
list(APPEND draco_base_cxx_flags "-Wno-psabi")
list(APPEND ABSL_GCC_FLAGS "-Wno-psabi")
endif()
endif()
endif()
# Source file names ending in these suffixes will have the appropriate
# compiler flags added to their compile commands to enable intrinsics.
set(draco_neon_source_file_suffix "neon.cc")
set(draco_sse4_source_file_suffix "sse4.cc")
if((${CMAKE_CXX_COMPILER_ID}
STREQUAL
"GNU"
AND ${CMAKE_CXX_COMPILER_VERSION} VERSION_LESS 5)
OR (${CMAKE_CXX_COMPILER_ID}
STREQUAL
"Clang"
AND ${CMAKE_CXX_COMPILER_VERSION} VERSION_LESS 4))
message(
WARNING "GNU/GCC < v5 or Clang/LLVM < v4, ENABLING COMPATIBILITY MODE.")
draco_enable_feature(FEATURE "DRACO_OLD_GCC")
endif()
if(EMSCRIPTEN)
draco_check_emscripten_environment()
draco_get_required_emscripten_flags(FLAG_LIST_VAR draco_base_cxx_flags)
endif()
draco_configure_sanitizer()
endmacro()