from conan import ConanFile from conan.tools.files import get, rmdir, replace_in_file from conan.tools.cmake import CMake, CMakeToolchain, cmake_layout import os class QpdfConan(ConanFile): name = "qpdf" version = "11.9.0" # Latest stable version license = "Apache-2.0" url = "https://github.com/qpdf/qpdf" description = "QPDF: A Content-Preserving PDF Transformation System" topics = ("pdf", "pdf-parser", "pdf-manipulation") settings = "os", "compiler", "build_type", "arch" options = { "shared": [True, False], "fPIC": [True, False], "with_jpeg": [False, "libjpeg"], "with_ssl": [False, "openssl"], } default_options = { "shared": False, "fPIC": True, "with_jpeg": "libjpeg", "with_ssl": "openssl", } def requirements(self): self.requires("zlib/1.3.1") if self.options.with_jpeg == "libjpeg": self.requires("libjpeg/9e") if self.options.with_ssl == "openssl": self.requires("openssl/3.2.0") def build_requirements(self): self.tool_requires("pkgconf/2.1.0") def config_options(self): if self.settings.os == "Windows": del self.options.fPIC def configure(self): if self.options.shared: self.options.rm_safe("fPIC") def package_id(self): # Ensure binary compatibility - only rebuild when these change del self.info.settings.compiler.cppstd # C++ standard doesn't affect C library def layout(self): cmake_layout(self, src_folder="src") def source(self): # Download from GitHub get(self, f"https://github.com/qpdf/qpdf/archive/refs/tags/v{self.version}.tar.gz", strip_root=True, destination=self.source_folder) def generate(self): from conan.tools.env import VirtualBuildEnv env = VirtualBuildEnv(self) env.generate() from conan.tools.gnu import PkgConfigDeps pc = PkgConfigDeps(self) pc.generate() from conan.tools.cmake import CMakeDeps deps = CMakeDeps(self) deps.set_property("zlib", "cmake_file_name", "ZLIB") deps.set_property("libjpeg", "cmake_file_name", "JPEG") deps.set_property("openssl", "cmake_file_name", "OpenSSL") deps.generate() tc = CMakeToolchain(self) # Force PIC for all targets - critical for use in plugins tc.variables["CMAKE_POSITION_INDEPENDENT_CODE"] = "ON" if self.settings.os != "Windows": tc.variables["CMAKE_CXX_FLAGS"] = "-fPIC" tc.variables["CMAKE_C_FLAGS"] = "-fPIC" tc.variables["BUILD_SHARED_LIBS"] = self.options.shared tc.variables["BUILD_STATIC_LIBS"] = not self.options.shared # Disable unnecessary features - build only the library tc.variables["BUILD_DOC"] = "OFF" tc.variables["BUILD_EXAMPLES"] = "OFF" tc.variables["INSTALL_EXAMPLES"] = "OFF" tc.variables["BUILD_TESTING"] = "OFF" tc.variables["INSTALL_CMAKE_PACKAGE"] = "ON" tc.variables["INSTALL_PKGCONFIG"] = "ON" # Configure dependencies tc.variables["REQUIRE_CRYPTO_OPENSSL"] = self.options.with_ssl == "openssl" tc.variables["USE_IMPLICIT_CRYPTO"] = "OFF" tc.generate() def build(self): # Patch QPDFLogger.hh to remove #warning which MSVC doesn't support # Also patch PointerHolder.hh and others import glob import re # Patch all header files in include/qpdf # The source is in self.source_folder/include/qpdf because of strip_root=True in source() # But cmake_layout sets src_folder="src", so it's src/include/qpdf include_dir = os.path.join(self.source_folder, "include", "qpdf") self.output.info(f"Patching headers in {include_dir}") if os.path.exists(include_dir): for ext in ["*.hh", "*.h"]: for filepath in glob.glob(os.path.join(include_dir, ext)): # Read file content with open(filepath, 'r', encoding='utf-8', errors='ignore') as f: content = f.read() # Replace #warning with // IGNORED WARNING, handling optional whitespace # Case insensitive just in case new_content = re.sub(r'^\s*#\s*warning', '// IGNORED WARNING', content, flags=re.MULTILINE | re.IGNORECASE) if content != new_content: with open(filepath, 'w', encoding='utf-8') as f: f.write(new_content) self.output.info(f"Patched #warning in {filepath}") else: self.output.warning(f"Include directory not found: {include_dir}") cmake = CMake(self) cmake.configure() # Build only the library target, skip tests/examples cmake.build(target="libqpdf") def package(self): from conan.tools.files import copy import glob import re # Manual install since CMake install tries to install binaries we didn't build copy(self, "*.h", os.path.join(self.source_folder, "include"), os.path.join(self.package_folder, "include"), keep_path=True) copy(self, "*.hh", os.path.join(self.source_folder, "include"), os.path.join(self.package_folder, "include"), keep_path=True) copy(self, "*.a", self.build_folder, os.path.join(self.package_folder, "lib"), keep_path=False) copy(self, "*.lib", self.build_folder, os.path.join(self.package_folder, "lib"), keep_path=False) copy(self, "*.so*", self.build_folder, os.path.join(self.package_folder, "lib"), keep_path=False) copy(self, "*.dll", self.build_folder, os.path.join(self.package_folder, "bin"), keep_path=False) copy(self, "*.dylib", self.build_folder, os.path.join(self.package_folder, "lib"), keep_path=False) copy(self, "*.pc", self.build_folder, os.path.join(self.package_folder, "lib", "pkgconfig"), keep_path=False) copy(self, "LICENSE.txt", self.source_folder, os.path.join(self.package_folder, "licenses"), keep_path=False) # Patch headers in the package folder to ensure they are fixed # This handles cases where package() copies unpatched files from source include_dir = os.path.join(self.package_folder, "include", "qpdf") self.output.info(f"Patching headers in package: {include_dir}") if os.path.exists(include_dir): for ext in ["*.hh", "*.h"]: for filepath in glob.glob(os.path.join(include_dir, ext)): # Read file content with open(filepath, 'r', encoding='utf-8', errors='ignore') as f: content = f.read() # Replace #warning with // IGNORED WARNING # Use a more flexible regex to catch variations new_content = re.sub(r'^\s*#\s*warning', '// IGNORED WARNING', content, flags=re.MULTILINE | re.IGNORECASE) if content != new_content: with open(filepath, 'w', encoding='utf-8') as f: f.write(new_content) self.output.info(f"Patched #warning in {filepath}") def package_info(self): self.cpp_info.libs = ["qpdf"] self.cpp_info.set_property("cmake_file_name", "qpdf") self.cpp_info.set_property("cmake_target_name", "qpdf::libqpdf") self.cpp_info.set_property("pkg_config_name", "libqpdf") if self.settings.os in ["Linux", "FreeBSD"]: self.cpp_info.system_libs.append("m")