[DO-976] libpng recipe (!5)
Co-authored-by: aleksandr.vodyanov <aleksandr.vodyanov@avroid.tech> Reviewed-on: https://git.avroid.tech/Conan/conan_build/pulls/5
This commit is contained in:
Aleksandr Vodyanov
174
recipes/libpng/all/conanfile.py
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174
recipes/libpng/all/conanfile.py
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from conan import ConanFile
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from conan.errors import ConanInvalidConfiguration
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from conan.tools.apple import is_apple_os
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from conan.tools.cmake import CMake, CMakeToolchain, CMakeDeps, cmake_layout
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from conan.tools.files import apply_conandata_patches, copy, export_conandata_patches, get, rm, rmdir
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from conan.tools.microsoft import is_msvc
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from conan.tools.scm import Version
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import os
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required_conan_version = ">=1.53.0"
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class LibpngConan(ConanFile):
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name = "libpng"
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description = "libpng is the official PNG file format reference library."
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url = "https://github.com/conan-io/conan-center-index"
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homepage = "http://www.libpng.org"
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license = "libpng-2.0"
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topics = ("png", "graphics", "image")
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settings = "os", "arch", "compiler", "build_type"
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options = {
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"shared": [True, False],
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"fPIC": [True, False],
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"neon": [True, "check", False],
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"msa": [True, False],
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"sse": [True, False],
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"vsx": [True, False],
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"api_prefix": ["ANY"],
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}
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default_options = {
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"shared": False,
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"fPIC": True,
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"neon": True,
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"msa": True,
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"sse": True,
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"vsx": True,
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"api_prefix": "",
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}
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@property
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def _is_clang_cl(self):
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return self.settings.os == "Windows" and self.settings.compiler == "clang" and \
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self.settings.compiler.get_safe("runtime")
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@property
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def _has_neon_support(self):
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return "arm" in self.settings.arch
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@property
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def _has_msa_support(self):
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return "mips" in self.settings.arch
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@property
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def _has_sse_support(self):
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return self.settings.arch in ["x86", "x86_64"]
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@property
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def _has_vsx_support(self):
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return "ppc" in self.settings.arch
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@property
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def _neon_msa_sse_vsx_mapping(self):
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return {
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"True": "on",
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"False": "off",
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"check": "check",
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}
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def export_sources(self):
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export_conandata_patches(self)
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copy(self, "conan_cmake_project_include.cmake", self.recipe_folder, os.path.join(self.export_sources_folder, "src"))
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def config_options(self):
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if self.settings.os == "Windows":
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del self.options.fPIC
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if not self._has_neon_support:
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del self.options.neon
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if not self._has_msa_support:
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del self.options.msa
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if not self._has_sse_support:
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del self.options.sse
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if not self._has_vsx_support:
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del self.options.vsx
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def configure(self):
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if self.options.shared:
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self.options.rm_safe("fPIC")
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self.settings.rm_safe("compiler.libcxx")
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self.settings.rm_safe("compiler.cppstd")
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def layout(self):
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cmake_layout(self, src_folder="src")
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def requirements(self):
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self.requires("zlib/[>=1.2.11 <2]")
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def validate(self):
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if Version(self.version) < "1.6" and self.settings.arch == "armv8" and is_apple_os(self):
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raise ConanInvalidConfiguration(f"{self.ref} currently does not building for {self.settings.os} {self.settings.arch}. Contributions are welcomed")
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def source(self):
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get(self, **self.conan_data["sources"][self.version], strip_root=True)
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def generate(self):
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tc = CMakeToolchain(self)
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tc.cache_variables["PNG_TESTS"] = False
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tc.cache_variables["PNG_SHARED"] = self.options.shared
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tc.cache_variables["PNG_STATIC"] = not self.options.shared
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tc.cache_variables["PNG_DEBUG"] = self.settings.build_type == "Debug"
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tc.cache_variables["PNG_PREFIX"] = self.options.api_prefix
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if Version(self.version) < "1.6.38":
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tc.cache_variables["CMAKE_PROJECT_libpng_INCLUDE"] = os.path.join(self.source_folder, "conan_cmake_project_include.cmake")
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if self._has_neon_support:
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tc.variables["PNG_ARM_NEON"] = self._neon_msa_sse_vsx_mapping[str(self.options.neon)]
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if self._has_msa_support:
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tc.variables["PNG_MIPS_MSA"] = self._neon_msa_sse_vsx_mapping[str(self.options.msa)]
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if self._has_sse_support:
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tc.variables["PNG_INTEL_SSE"] = self._neon_msa_sse_vsx_mapping[str(self.options.sse)]
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if self._has_vsx_support:
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tc.variables["PNG_POWERPC_VSX"] = self._neon_msa_sse_vsx_mapping[str(self.options.vsx)]
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if Version(self.version) >= "1.6.41":
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tc.variables["PNG_FRAMEWORK"] = False # changed from False to True by default in PNG 1.6.41
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tc.variables["PNG_TOOLS"] = False
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elif Version(self.version) >= "1.6.38":
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tc.variables["PNG_EXECUTABLES"] = False
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tc.cache_variables["CMAKE_MACOSX_BUNDLE"] = False
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tc.generate()
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tc = CMakeDeps(self)
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tc.generate()
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def _patch_sources(self):
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apply_conandata_patches(self)
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def build(self):
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self._patch_sources()
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cmake = CMake(self)
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cmake.configure()
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cmake.build()
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def package(self):
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copy(self, "LICENSE", src=self.source_folder, dst=os.path.join(self.package_folder, "licenses"))
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cmake = CMake(self)
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cmake.install()
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if self.options.shared:
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rm(self, "*[!.dll]", os.path.join(self.package_folder, "bin"))
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else:
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rmdir(self, os.path.join(self.package_folder, "bin"))
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rmdir(self, os.path.join(self.package_folder, "lib", "libpng"))
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rmdir(self, os.path.join(self.package_folder, "lib", "pkgconfig"))
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rmdir(self, os.path.join(self.package_folder, "share"))
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rm(self, "*.cmake", os.path.join(self.package_folder, "lib", "cmake", "PNG"))
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def package_info(self):
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major_min_version = f"{Version(self.version).major}{Version(self.version).minor}"
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self.cpp_info.set_property("cmake_find_mode", "both")
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self.cpp_info.set_property("cmake_file_name", "PNG")
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self.cpp_info.set_property("cmake_target_name", "PNG::PNG")
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self.cpp_info.set_property("pkg_config_name", "libpng")
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self.cpp_info.set_property("pkg_config_aliases", [f"libpng{major_min_version}"])
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prefix = "lib" if (is_msvc(self) or self._is_clang_cl) else ""
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suffix = major_min_version if self.settings.os == "Windows" else ""
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if is_msvc(self) or self._is_clang_cl:
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suffix += "_static" if not self.options.shared else ""
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suffix += "d" if self.settings.os == "Windows" and self.settings.build_type == "Debug" else ""
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self.cpp_info.libs = [f"{prefix}png{suffix}"]
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if self.settings.os in ["Linux", "Android", "FreeBSD", "SunOS", "AIX"]:
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self.cpp_info.system_libs.append("m")
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# TODO: Remove after Conan 2.0
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self.cpp_info.names["cmake_find_package"] = "PNG"
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self.cpp_info.names["cmake_find_package_multi"] = "PNG"
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