build: add conan recipe for shaderc

tools/conan_recipes/shaderc/.gitignore

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+build/
+src/

tools/conan_recipes/shaderc/conanfile.py

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+import os
+
+from conan import ConanFile
+from conan.tools.build import check_min_cppstd, stdcpp_library
+from conan.tools.cmake import CMake, CMakeDeps, CMakeToolchain, cmake_layout
+from conan.tools.env import VirtualBuildEnv
+from conan.tools.files import apply_conandata_patches, copy, export_conandata_patches, get, rmdir
+from conan.tools.microsoft import is_msvc, is_msvc_static_runtime
+from conan.tools.apple import fix_apple_shared_install_name
+
+required_conan_version = ">=2.10.0"
+
+
+class ShadercConan(ConanFile):
+    name = "shaderc"
+    version = "2025.3"
+    description = "A collection of tools, libraries and tests for shader compilation."
+    license = "Apache-2.0"
+    url = "https://github.com/conan-io/conan-center-index"
+    homepage = "https://github.com/google/shaderc"
+    topics = ("glsl", "hlsl", "msl", "spirv", "spir-v", "glslc")
+
+    package_type = "library"
+    settings = "os", "arch", "compiler", "build_type"
+    options = {
+        "shared": [True, False],
+        "fPIC": [True, False],
+    }
+    default_options = {
+        "shared": False,
+        "fPIC": True,
+    }
+
+    def configure(self):
+        if self.options.shared:
+            self.options.rm_safe("fPIC")
+
+    def layout(self):
+        cmake_layout(self, src_folder="src")
+
+    def requirements(self):
+        self.requires("glslang/1.4.313.0")
+        self.requires("spirv-tools/1.4.313.0")
+        self.requires("spirv-headers/1.4.313.0")
+
+    def validate(self):
+        if self.settings.compiler.get_safe("cppstd"):
+            check_min_cppstd(self, 11)
+
+    def build_requirements(self):
+        self.tool_requires("cmake/[>=3.17.2 <4]")
+
+    def source(self):
+        get(self, "https://github.com/google/shaderc/archive/refs/tags/v2025.3.tar.gz", strip_root=True)
+        os.system("./utils/git-sync-deps")
+        
+
+    def generate(self):
+        venv = VirtualBuildEnv(self)
+        venv.generate()
+
+        tc = CMakeToolchain(self)
+        tc.cache_variables["SHADERC_SKIP_INSTALL"] = False
+        tc.cache_variables["SHADERC_SKIP_EXAMPLES"] = True
+        tc.cache_variables["SHADERC_SKIP_TESTS"] = True
+        tc.cache_variables["ENABLE_CODE_COVERAGE"] = False
+        tc.cache_variables["SHADERC_ENABLE_WERROR_COMPILE"] = False
+        if is_msvc(self):
+            tc.cache_variables["SHADERC_ENABLE_SHARED_CRT"] = not is_msvc_static_runtime(self)
+        tc.generate()
+
+        self.dependencies["glslang"].cpp_info.components["glslang-core"].includedirs.append(
+            os.path.join(self.dependencies["glslang"].package_folder, "include", "glslang")
+        )
+
+        deps = CMakeDeps(self)
+        deps.set_property("glslang::glslang-core", "cmake_target_name", "glslang")
+        deps.set_property("glslang::osdependent", "cmake_target_name", "OSDependent")
+        deps.set_property("glslang::spirv", "cmake_target_name", "SPIRV")
+        deps.generate()
+
+    def build(self):
+        cmake = CMake(self)
+        cmake.configure()
+        cmake.build()
+
+    def package(self):
+        copy(self, "LICENSE", dst=os.path.join(self.package_folder, "licenses"), src=self.source_folder)
+        cmake = CMake(self)
+        cmake.install()
+        fix_apple_shared_install_name(self)
+        rmdir(self, os.path.join(self.package_folder, "lib", "pkgconfig"))
+
+    def package_info(self):
+        if self.options.shared:
+            self.cpp_info.set_property("pkg_config_name", "shaderc")
+            self.cpp_info.libs = ["shaderc_shared"]
+            self.cpp_info.defines.append("SHADERC_SHAREDLIB")
+        else:
+            self.cpp_info.set_property("pkg_config_name", "shaderc_static")
+            self.cpp_info.libs = ["shaderc", "shaderc_util"]
+            if stdcpp_library(self):
+                self.cpp_info.system_libs.append(stdcpp_library(self))
+
+        if self.settings.os in ["Linux", "FreeBSD"]:
+            self.cpp_info.system_libs.append("pthread")
+
+        self.cpp_info.requires = [
+            "glslang::glslang-core",
+            "glslang::osdependent",
+            "glslang::spirv",
+            "spirv-tools::spirv-tools-core",
+            "spirv-tools::spirv-tools-opt",
+            "spirv-headers::spirv-headers"
+        ]
+
+        # TODO: to remove in conan v2
+        bin_path = os.path.join(self.package_folder, "bin")
+        self.env_info.PATH.append(bin_path)