add assimp submodule

1 files changed, 124 insertions, 0 deletions

diff --git a/src/mesh/assimp-master/contrib/draco/cmake/draco_build_definitions.cmake b/src/mesh/assimp-master/contrib/draco/cmake/draco_build_definitions.cmake
new file mode 100644
index 0000000..f7354c1
--- /dev/null
+++ b/src/mesh/assimp-master/contrib/draco/cmake/draco_build_definitions.cmake
@@ -0,0 +1,124 @@
+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()