from conan import ConanFile from conan.errors import ConanInvalidConfiguration from conan.tools.cmake import CMake, CMakeDeps, CMakeToolchain, cmake_layout from conan.tools.files import apply_conandata_patches, copy, export_conandata_patches, get, replace_in_file, rmdir from conan.tools.microsoft import is_msvc, is_msvc_static_runtime from conan.tools.scm import Version import os required_conan_version = ">=1.53.0" class PCRE2Conan(ConanFile): name = "pcre2" url = "https://github.com/conan-io/conan-center-index" homepage = "https://www.pcre.org/" description = "Perl Compatible Regular Expressions" topics = ("regex", "regexp", "perl") license = "BSD-3-Clause" package_type = "library" settings = "os", "arch", "compiler", "build_type" options = { "shared": [True, False], "fPIC": [True, False], "build_pcre2_8": [True, False], "build_pcre2_16": [True, False], "build_pcre2_32": [True, False], "build_pcre2grep": [True, False], "with_zlib": [True, False], "with_bzip2": [True, False], "support_jit": [True, False], "grep_support_callout_fork": [True, False], "link_size": [2, 3, 4], } default_options = { "shared": False, "fPIC": True, "build_pcre2_8": True, "build_pcre2_16": True, "build_pcre2_32": True, "build_pcre2grep": True, "with_zlib": True, "with_bzip2": True, "support_jit": False, "grep_support_callout_fork": True, "link_size": 2, } def export_sources(self): export_conandata_patches(self) 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") self.settings.rm_safe("compiler.cppstd") self.settings.rm_safe("compiler.libcxx") if not self.options.build_pcre2grep: del self.options.with_zlib del self.options.with_bzip2 del self.options.grep_support_callout_fork def layout(self): cmake_layout(self, src_folder="src") def requirements(self): if self.options.get_safe("with_zlib"): self.requires("zlib/[>=1.2.11 <2]") if self.options.get_safe("with_bzip2"): self.requires("bzip2/1.0.8") def validate(self): if not self.options.build_pcre2_8 and not self.options.build_pcre2_16 and not self.options.build_pcre2_32: raise ConanInvalidConfiguration("At least one of build_pcre2_8, build_pcre2_16 or build_pcre2_32 must be enabled") if self.options.build_pcre2grep and not self.options.build_pcre2_8: raise ConanInvalidConfiguration("build_pcre2_8 must be enabled for the pcre2grep program") def source(self): get(self, **self.conan_data["sources"][self.version], strip_root=True) def generate(self): tc = CMakeToolchain(self) # Mandatory because upstream CMakeLists overrides BUILD_SHARED_LIBS as a CACHE variable # (see https://github.com/conan-io/conan/issues/11840) tc.variables["BUILD_SHARED_LIBS"] = self.options.shared if Version(self.version) >= "10.38": tc.variables["BUILD_STATIC_LIBS"] = not self.options.shared tc.variables["PCRE2_BUILD_PCRE2GREP"] = self.options.build_pcre2grep tc.variables["PCRE2_SUPPORT_LIBZ"] = self.options.get_safe("with_zlib", False) tc.variables["PCRE2_SUPPORT_LIBBZ2"] = self.options.get_safe("with_bzip2", False) tc.variables["PCRE2_BUILD_TESTS"] = False if is_msvc(self): tc.variables["PCRE2_STATIC_RUNTIME"] = is_msvc_static_runtime(self) tc.variables["PCRE2_DEBUG"] = self.settings.build_type == "Debug" tc.variables["PCRE2_BUILD_PCRE2_8"] = self.options.build_pcre2_8 tc.variables["PCRE2_BUILD_PCRE2_16"] = self.options.build_pcre2_16 tc.variables["PCRE2_BUILD_PCRE2_32"] = self.options.build_pcre2_32 tc.variables["PCRE2_SUPPORT_JIT"] = self.options.support_jit tc.variables["PCRE2_LINK_SIZE"] = self.options.link_size tc.variables["PCRE2GREP_SUPPORT_CALLOUT_FORK"] = self.options.get_safe("grep_support_callout_fork", False) if Version(self.version) < "10.38": # relocatable shared libs on Macos tc.cache_variables["CMAKE_POLICY_DEFAULT_CMP0042"] = "NEW" tc.generate() cd = CMakeDeps(self) cd.generate() def _patch_sources(self): apply_conandata_patches(self) cmakelists = os.path.join(self.source_folder, "CMakeLists.txt") # Do not add ${PROJECT_SOURCE_DIR}/cmake because it contains a custom # FindPackageHandleStandardArgs.cmake which can break conan generators if Version(self.version) < "10.34": replace_in_file(self, cmakelists, "SET(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake)", "") else: replace_in_file(self, cmakelists, "LIST(APPEND CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake)", "") # Avoid CMP0006 error (macos bundle) replace_in_file(self, cmakelists, "RUNTIME DESTINATION bin", "RUNTIME DESTINATION bin BUNDLE DESTINATION bin") # pcre2-config does not correctly include '-static' in static library names if is_msvc(self): replace = None if Version(self.version) > "10.42": replace = "configure_file(pcre2-config.in" elif Version(self.version) >= "10.38": replace = "CONFIGURE_FILE(pcre2-config.in" postfix = "-static" if not self.options.shared else "" if replace: if self.settings.build_type == "Debug": postfix += "d" replace_in_file(self, cmakelists, replace, f'set(LIB_POSTFIX "{postfix}")\n{replace}') def build(self): self._patch_sources() cmake = CMake(self) cmake.configure() cmake.build() def package(self): copy(self, "LICENCE", 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, "cmake")) rmdir(self, os.path.join(self.package_folder, "man")) rmdir(self, os.path.join(self.package_folder, "share")) rmdir(self, os.path.join(self.package_folder, "lib", "pkgconfig")) def package_info(self): self.cpp_info.set_property("cmake_file_name", "PCRE2") self.cpp_info.set_property("pkg_config_name", "libpcre2") if self.options.build_pcre2_8: # pcre2-8 self.cpp_info.components["pcre2-8"].set_property("cmake_target_name", "PCRE2::8BIT") self.cpp_info.components["pcre2-8"].set_property("pkg_config_name", "libpcre2-8") self.cpp_info.components["pcre2-8"].libs = [self._lib_name("pcre2-8")] if not self.options.shared: self.cpp_info.components["pcre2-8"].defines.append("PCRE2_STATIC") # pcre2-posix self.cpp_info.components["pcre2-posix"].set_property("cmake_target_name", "PCRE2::POSIX") self.cpp_info.components["pcre2-posix"].set_property("pkg_config_name", "libpcre2-posix") self.cpp_info.components["pcre2-posix"].libs = [self._lib_name("pcre2-posix")] self.cpp_info.components["pcre2-posix"].requires = ["pcre2-8"] if Version(self.version) >= "10.43" and is_msvc(self) and self.options.shared: self.cpp_info.components["pcre2-posix"].defines.append("PCRE2POSIX_SHARED=1") # pcre2-16 if self.options.build_pcre2_16: self.cpp_info.components["pcre2-16"].set_property("cmake_target_name", "PCRE2::16BIT") self.cpp_info.components["pcre2-16"].set_property("pkg_config_name", "libpcre2-16") self.cpp_info.components["pcre2-16"].libs = [self._lib_name("pcre2-16")] if not self.options.shared: self.cpp_info.components["pcre2-16"].defines.append("PCRE2_STATIC") # pcre2-32 if self.options.build_pcre2_32: self.cpp_info.components["pcre2-32"].set_property("cmake_target_name", "PCRE2::32BIT") self.cpp_info.components["pcre2-32"].set_property("pkg_config_name", "libpcre2-32") self.cpp_info.components["pcre2-32"].libs = [self._lib_name("pcre2-32")] if not self.options.shared: self.cpp_info.components["pcre2-32"].defines.append("PCRE2_STATIC") if self.options.build_pcre2grep: bin_path = os.path.join(self.package_folder, "bin") self.output.info(f"Appending PATH environment variable: {bin_path}") self.env_info.PATH.append(bin_path) # FIXME: This is a workaround to avoid ConanException. zlib and bzip2 # are optional requirements of pcre2grep executable, not of any pcre2 lib. if self.options.with_zlib: self.cpp_info.components["pcre2-8"].requires.append("zlib::zlib") if self.options.with_bzip2: self.cpp_info.components["pcre2-8"].requires.append("bzip2::bzip2") # TODO: to remove in conan v2 once cmake_find_package* & pkg_config generator removed self.cpp_info.names["cmake_find_package"] = "PCRE2" self.cpp_info.names["cmake_find_package_multi"] = "PCRE2" self.cpp_info.names["pkg_config"] = "libpcre2" if self.options.build_pcre2_8: self.cpp_info.components["pcre2-8"].names["cmake_find_package"] = "8BIT" self.cpp_info.components["pcre2-8"].names["cmake_find_package_multi"] = "8BIT" self.cpp_info.components["pcre2-posix"].names["cmake_find_package"] = "POSIX" self.cpp_info.components["pcre2-posix"].names["cmake_find_package_multi"] = "POSIX" if self.options.build_pcre2_16: self.cpp_info.components["pcre2-16"].names["cmake_find_package"] = "16BIT" self.cpp_info.components["pcre2-16"].names["cmake_find_package_multi"] = "16BIT" if self.options.build_pcre2_32: self.cpp_info.components["pcre2-32"].names["cmake_find_package"] = "32BIT" self.cpp_info.components["pcre2-32"].names["cmake_find_package_multi"] = "32BIT" def _lib_name(self, name): libname = name if Version(self.version) >= "10.38" and is_msvc(self) and not self.options.shared: libname += "-static" if self.settings.os == "Windows": if self.settings.build_type == "Debug": libname += "d" if self.settings.compiler == "gcc" and self.options.shared: libname += ".dll" return libname