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15d5da0401806cc0629c94d146f8b3c728d2c15a
ConanPackages/assimp/5.x/conanfile.py
Romain BOULLARD 15d5da0401
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Update packages (#6) 
Reviewed-on: #6
Co-authored-by: Romain BOULLARD <romain.boullard@protonmail.com>
Co-committed-by: Romain BOULLARD <romain.boullard@protonmail.com>
2026-02-11 13:27:57 +00:00

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from pathlib import Path
from conan import ConanFile
from conan.tools.build import stdcpp_library, check_min_cppstd
from conan.tools.cmake import CMake, CMakeDeps, CMakeToolchain, cmake_layout
from conan.tools.env import VirtualBuildEnv
from conan.tools.files import collect_libs, copy, get, replace_in_file, rmdir, save
from conan.tools.microsoft import is_msvc, is_msvc_static_runtime
from conan.tools.scm import Version
import os
required_conan_version = ">=2"
class AssimpConan(ConanFile):
name = "assimp"
url = "https://github.com/conan-io/conan-center-index"
homepage = "https://github.com/assimp/assimp"
description = (
"A library to import and export various 3d-model-formats including "
"scene-post-processing to generate missing render data."
)
topics = ("assimp", "3d", "game development", "3mf", "collada")
license = "BSD-3-Clause"
package_type = "library"
settings = "os", "arch", "compiler", "build_type"
options = {
"shared": [True, False],
"fPIC": [True, False],
"double_precision": [True, False],
}
default_options = {
"shared": False,
"fPIC": True,
"double_precision": False,
}
_format_option_map = {
"with_3d": ("ASSIMP_BUILD_3D_IMPORTER", "5.0.0"),
"with_3ds": ("ASSIMP_BUILD_3DS_IMPORTER", "5.0.0"),
"with_3ds_exporter": ("ASSIMP_BUILD_3DS_EXPORTER", "5.0.0"),
"with_3mf": ("ASSIMP_BUILD_3MF_IMPORTER", "5.0.0"),
"with_3mf_exporter": ("ASSIMP_BUILD_3MF_EXPORTER", "5.0.0"),
"with_ac": ("ASSIMP_BUILD_AC_IMPORTER", "5.0.0"),
"with_amf": ("ASSIMP_BUILD_AMF_IMPORTER", "5.0.0"),
"with_ase": ("ASSIMP_BUILD_ASE_IMPORTER", "5.0.0"),
"with_assbin": ("ASSIMP_BUILD_ASSBIN_IMPORTER", "5.0.0"),
"with_assbin_exporter": ("ASSIMP_BUILD_ASSBIN_EXPORTER", "5.0.0"),
"with_assxml_exporter": ("ASSIMP_BUILD_ASSXML_EXPORTER", "5.0.0"),
"with_assjson_exporter": ("ASSIMP_BUILD_ASSJSON_EXPORTER", "5.0.0"),
"with_b3d": ("ASSIMP_BUILD_B3D_IMPORTER", "5.0.0"),
"with_blend": ("ASSIMP_BUILD_BLEND_IMPORTER", "5.0.0"),
"with_bvh": ("ASSIMP_BUILD_BVH_IMPORTER", "5.0.0"),
"with_ms3d": ("ASSIMP_BUILD_MS3D_IMPORTER", "5.0.0"),
"with_cob": ("ASSIMP_BUILD_COB_IMPORTER", "5.0.0"),
"with_collada": ("ASSIMP_BUILD_COLLADA_IMPORTER", "5.0.0"),
"with_collada_exporter": ("ASSIMP_BUILD_COLLADA_EXPORTER", "5.0.0"),
"with_csm": ("ASSIMP_BUILD_CSM_IMPORTER", "5.0.0"),
"with_dxf": ("ASSIMP_BUILD_DXF_IMPORTER", "5.0.0"),
"with_fbx": ("ASSIMP_BUILD_FBX_IMPORTER", "5.0.0"),
"with_fbx_exporter": ("ASSIMP_BUILD_FBX_EXPORTER", "5.0.0"),
"with_gltf": ("ASSIMP_BUILD_GLTF_IMPORTER", "5.0.0"),
"with_gltf_exporter": ("ASSIMP_BUILD_GLTF_EXPORTER", "5.0.0"),
"with_hmp": ("ASSIMP_BUILD_HMP_IMPORTER", "5.0.0"),
"with_ifc": ("ASSIMP_BUILD_IFC_IMPORTER", "5.0.0"),
"with_irr": ("ASSIMP_BUILD_IRR_IMPORTER", "5.0.0"),
"with_irrmesh": ("ASSIMP_BUILD_IRRMESH_IMPORTER", "5.0.0"),
"with_lwo": ("ASSIMP_BUILD_LWO_IMPORTER", "5.0.0"),
"with_lws": ("ASSIMP_BUILD_LWS_IMPORTER", "5.0.0"),
"with_md2": ("ASSIMP_BUILD_MD2_IMPORTER", "5.0.0"),
"with_md3": ("ASSIMP_BUILD_MD3_IMPORTER", "5.0.0"),
"with_md5": ("ASSIMP_BUILD_MD5_IMPORTER", "5.0.0"),
"with_mdc": ("ASSIMP_BUILD_MDC_IMPORTER", "5.0.0"),
"with_mdl": ("ASSIMP_BUILD_MDL_IMPORTER", "5.0.0"),
"with_mmd": ("ASSIMP_BUILD_MMD_IMPORTER", "5.0.0"),
"with_ndo": ("ASSIMP_BUILD_NDO_IMPORTER", "5.0.0"),
"with_nff": ("ASSIMP_BUILD_NFF_IMPORTER", "5.0.0"),
"with_obj": ("ASSIMP_BUILD_OBJ_IMPORTER", "5.0.0"),
"with_obj_exporter": ("ASSIMP_BUILD_OBJ_EXPORTER", "5.0.0"),
"with_off": ("ASSIMP_BUILD_OFF_IMPORTER", "5.0.0"),
"with_ogre": ("ASSIMP_BUILD_OGRE_IMPORTER", "5.0.0"),
"with_opengex": ("ASSIMP_BUILD_OPENGEX_IMPORTER", "5.0.0"),
"with_opengex_exporter": ("ASSIMP_BUILD_OPENGEX_EXPORTER", "5.0.0"),
"with_pbrt_exporter": ("ASSIMP_BUILD_PBRT_EXPORTER", "5.1.0"),
"with_ply": ("ASSIMP_BUILD_PLY_IMPORTER", "5.0.0"),
"with_ply_exporter": ("ASSIMP_BUILD_PLY_EXPORTER", "5.0.0"),
"with_q3bsp": ("ASSIMP_BUILD_Q3BSP_IMPORTER", "5.0.0"),
"with_q3d": ("ASSIMP_BUILD_Q3D_IMPORTER", "5.0.0"),
"with_raw": ("ASSIMP_BUILD_RAW_IMPORTER", "5.0.0"),
"with_sib": ("ASSIMP_BUILD_SIB_IMPORTER", "5.0.0"),
"with_smd": ("ASSIMP_BUILD_SMD_IMPORTER", "5.0.0"),
"with_step": ("ASSIMP_BUILD_STEP_IMPORTER", "5.0.0"),
"with_step_exporter": ("ASSIMP_BUILD_STEP_EXPORTER", "5.0.0"),
"with_stl": ("ASSIMP_BUILD_STL_IMPORTER", "5.0.0"),
"with_stl_exporter": ("ASSIMP_BUILD_STL_EXPORTER", "5.0.0"),
"with_terragen": ("ASSIMP_BUILD_TERRAGEN_IMPORTER", "5.0.0"),
"with_x": ("ASSIMP_BUILD_X_IMPORTER", "5.0.0"),
"with_x_exporter": ("ASSIMP_BUILD_X_EXPORTER", "5.0.0"),
"with_x3d": ("ASSIMP_BUILD_X3D_IMPORTER", "5.0.0"),
"with_x3d_exporter": ("ASSIMP_BUILD_X3D_EXPORTER", "5.0.0"),
"with_xgl": ("ASSIMP_BUILD_XGL_IMPORTER", "5.0.0"),
"with_m3d": ("ASSIMP_BUILD_M3D_IMPORTER", "5.1.0"),
"with_m3d_exporter": ("ASSIMP_BUILD_M3D_EXPORTER", "5.1.0"),
"with_iqm": ("ASSIMP_BUILD_IQM_IMPORTER", "5.2.0"),
}
options.update(dict.fromkeys(_format_option_map, [True, False]))
default_options.update(dict.fromkeys(_format_option_map, True))
def export_sources(self):
copy(self, "conan_deps.cmake", self.recipe_folder, os.path.join(self.export_sources_folder, "src"))
def config_options(self):
if self.settings.os == "Windows":
del self.options.fPIC
for option, (_, min_version) in self._format_option_map.items():
if Version(self.version) < Version(min_version):
delattr(self.options, option)
def configure(self):
if self.options.shared:
self.options.rm_safe("fPIC")
def layout(self):
cmake_layout(self, src_folder="src")
@property
def _depends_on_kuba_zip(self):
return self.options.with_3mf_exporter
@property
def _depends_on_poly2tri(self):
return self.options.with_blend or self.options.with_ifc
@property
def _depends_on_rapidjson(self):
return self.options.with_gltf or self.options.with_gltf_exporter
@property
def _depends_on_draco(self):
return self.options.with_gltf or self.options.with_gltf_exporter
@property
def _depends_on_clipper(self):
return self.options.with_ifc
@property
def _depends_on_stb(self):
return self.options.with_m3d or self.options.with_m3d_exporter or \
self.options.with_pbrt_exporter
@property
def _depends_on_openddlparser(self):
return self.options.with_opengex
def requirements(self):
# TODO: unvendor others libs:
# - Open3DGC
self.requires("minizip/1.2.13")
self.requires("pugixml/1.14")
self.requires("utfcpp/4.0.1")
self.requires("zlib/[>=1.2.11 <2]")
if self._depends_on_kuba_zip:
self.requires("kuba-zip/0.3.0")
if self._depends_on_poly2tri:
self.requires("poly2tri/cci.20130502")
if self._depends_on_rapidjson:
self.requires("rapidjson/cci.20230929")
if self._depends_on_draco:
self.requires("draco/1.5.6")
if self._depends_on_clipper:
self.requires("clipper/6.4.2")
if self._depends_on_stb:
self.requires("stb/cci.20230920")
if self._depends_on_openddlparser:
self.requires("openddl-parser/0.5.1")
def validate_build(self):
check_min_cppstd(self, 17)
def validate(self):
check_min_cppstd(self, 11)
def build_requirements(self):
self.tool_requires("cmake/[>=3.22]")
def source(self):
get(self, **self.conan_data["sources"][self.version], strip_root=True)
self._patch_sources()
def generate(self):
tc = CMakeToolchain(self)
tc.variables["ASSIMP_ANDROID_JNIIOSYSTEM"] = False
tc.variables["ASSIMP_BUILD_ALL_IMPORTERS_BY_DEFAULT"] = False
tc.variables["ASSIMP_BUILD_ALL_EXPORTERS_BY_DEFAULT"] = False
tc.variables["ASSIMP_BUILD_ASSIMP_TOOLS"] = False
tc.variables["ASSIMP_BUILD_DOCS"] = False
tc.variables["ASSIMP_BUILD_DRACO"] = False
tc.variables["ASSIMP_BUILD_FRAMEWORK"] = False
tc.variables["ASSIMP_BUILD_MINIZIP"] = False
tc.variables["ASSIMP_BUILD_SAMPLES"] = False
tc.variables["ASSIMP_BUILD_TESTS"] = False
tc.variables["ASSIMP_BUILD_ZLIB"] = False
tc.variables["ASSIMP_DOUBLE_PRECISION"] = self.options.double_precision
tc.variables["ASSIMP_HUNTER_ENABLED"] = False
tc.variables["ASSIMP_IGNORE_GIT_HASH"] = True
tc.variables["ASSIMP_INJECT_DEBUG_POSTFIX"] = False
tc.variables["ASSIMP_INSTALL"] = True
tc.variables["ASSIMP_INSTALL_PDB"] = False
tc.variables["ASSIMP_NO_EXPORT"] = False
tc.variables["ASSIMP_OPT_BUILD_PACKAGES"] = False
tc.variables["ASSIMP_RAPIDJSON_NO_MEMBER_ITERATOR"] = False
tc.variables["ASSIMP_UBSAN"] = False
tc.variables["ASSIMP_WARNINGS_AS_ERRORS"] = False
tc.variables["USE_STATIC_CRT"] = is_msvc_static_runtime(self)
tc.cache_variables["ASSIMP_BUILD_USE_CCACHE"] = False
for option, (definition, _) in self._format_option_map.items():
value = self.options.get_safe(option)
if value is not None:
tc.variables[definition] = value
if self.settings.os == "Windows":
tc.preprocessor_definitions["NOMINMAX"] = 1
tc.cache_variables["CMAKE_PROJECT_Assimp_INCLUDE"] = "conan_deps.cmake"
tc.cache_variables["WITH_CLIPPER"] = self._depends_on_clipper
tc.cache_variables["WITH_DRACO"] = self._depends_on_draco
tc.cache_variables["WITH_KUBAZIP"] = self._depends_on_kuba_zip
tc.cache_variables["WITH_OPENDDL"] = self._depends_on_openddlparser
tc.cache_variables["WITH_POLY2TRI"] = self._depends_on_poly2tri
tc.cache_variables["WITH_RAPIDJSON"] = self._depends_on_rapidjson
tc.cache_variables["WITH_STB"] = self._depends_on_stb
tc.generate()
cd = CMakeDeps(self)
cd.set_property("rapidjson", "cmake_target_name", "rapidjson::rapidjson")
cd.set_property("utfcpp", "cmake_target_name", "utf8cpp::utf8cpp")
cd.generate()
def _patch_sources(self):
# Don't force several compiler and linker flags
for pattern in [
"-fPIC",
"-g ",
"SET(CMAKE_POSITION_INDEPENDENT_CODE ON)",
'SET(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} /D_DEBUG /Zi /Od")',
'SET(CMAKE_SHARED_LINKER_FLAGS_RELEASE "${CMAKE_SHARED_LINKER_FLAGS_RELEASE} /DEBUG:FULL /PDBALTPATH:%_PDB% /OPT:REF /OPT:ICF")',
]:
replace_in_file(self, os.path.join(self.source_folder, "CMakeLists.txt"), pattern, "")
for pattern in ["-Werror", "/WX"]:
replace_in_file(self, os.path.join(self.source_folder, "CMakeLists.txt"), pattern, "")
replace_in_file(self, os.path.join(self.source_folder, "code", "CMakeLists.txt"), pattern, "")
# Make sure vendored libs are not used by accident by removing their subdirs
allow_vendored = ["Open3DGC", "earcut-hpp"]
for contrib_dir in Path(self.source_folder).joinpath("contrib").iterdir():
if contrib_dir.is_dir() and contrib_dir.name not in allow_vendored:
rmdir(self, contrib_dir)
# Do not include add vendored library sources to the build
# https://github.com/assimp/assimp/blob/v5.3.1/code/CMakeLists.txt#L1151-L1159
code_cmakelists = Path(self.source_folder).joinpath("code", "CMakeLists.txt")
content = code_cmakelists.read_text(encoding="utf-8")
for vendored_lib in [
"unzip_compile",
"Poly2Tri",
"Clipper",
"openddl_parser",
# "open3dgc",
"ziplib",
"Pugixml",
"stb",
]:
content = content.replace("${%s_SRCS}" % vendored_lib, "")
code_cmakelists.write_text(content, encoding="utf-8")
# Make vendored headers redirect to external ones.
for contrib_header, include in [
(os.path.join("clipper", "clipper.hpp"), "polyclipping/clipper.hpp"),
(os.path.join("poly2tri", "poly2tri", "poly2tri.h"), "poly2tri/poly2tri.h"),
(os.path.join("stb", "stb_image.h"), "stb_image.h"),
(os.path.join("utf8cpp", "source", "utf8.h"), "utf8.h"),
(os.path.join("zip", "src", "zip.h"), "zip/zip.h"),
]:
save(self, os.path.join(self.source_folder, "contrib", contrib_header),
f"#include <{include}>\n")
rmdir(self, os.path.join(self.source_folder, "contrib", "utf8cpp"))
# minizip is provided via conan_deps.cmake, no need to use pkgconfig
replace_in_file(self, os.path.join(self.source_folder, "CMakeLists.txt"),
"use_pkgconfig(UNZIP minizip)", "set(UNZIP_FOUND TRUE)")
# ZLIB is unvendored, no need to install it
# https://github.com/assimp/assimp/blob/v5.3.1/CMakeLists.txt#L483-L487
# https://github.com/assimp/assimp/blob/v5.1.6/CMakeLists.txt#L463-L466
replace_in_file(self, os.path.join(self.source_folder, "CMakeLists.txt"),
"INSTALL( TARGETS zlib", "set(_ #")
def build(self):
cmake = CMake(self)
cmake.configure()
cmake.build()
def package(self):
copy(self, "LICENSE", src=self.source_folder, dst=os.path.join(self.package_folder, "licenses"))
cmake = CMake(self)
cmake.install()
rmdir(self, os.path.join(self.package_folder, "lib", "cmake"))
rmdir(self, os.path.join(self.package_folder, "lib", "pkgconfig"))
def package_info(self):
self.cpp_info.set_property("cmake_file_name", "assimp")
self.cpp_info.set_property("cmake_target_name", "assimp::assimp")
self.cpp_info.set_property("pkg_config_name", "assimp")
# Always ever just 1 library, but with some suffix variations
# that make it hard to map manually
self.cpp_info.libs = collect_libs(self)
if is_msvc(self) and self.options.shared:
self.cpp_info.defines.append("ASSIMP_DLL")
if self.settings.os in ["Linux", "FreeBSD"]:
self.cpp_info.system_libs = ["rt", "m", "pthread"]
elif self.settings.os == "WindowsStore":
self.cpp_info.system_libs.append("advapi32")
self.cpp_info.defines.append("WindowsStore")
if not self.options.shared:
libcxx = stdcpp_library(self)
if libcxx:
self.cpp_info.system_libs.append(libcxx)
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