conanfile.py

from conans import ConanFile, CMake, tools
from conans.errors import ConanException


class ExpatConan(ConanFile):
    name = "Expat"
    version = "2.2.8"
    description = "Recipe for Expat library"
    license = "MIT/X Consortium license. Check file COPYING of the library"
    url = "https://github.com/Pix4D/conan-expat"
    source_url = "https://github.com/libexpat/libexpat"
    settings = "os", "compiler", "build_type", "arch"
    options = {
        "shared": [True, False],
        "static_crt": [True, False],
        "disable_getrandom": [True, False],
    }
    default_options = {
        "shared": False,
        "disable_getrandom": True,
        "static_crt": False,
    }

    generators = "cmake"

    def source(self):
        branch = "R_%s" % self.version.replace(".", "_")
        self.run("git clone --depth 1 --branch %s %s" % (branch, self.source_url))

    def build(self):
        tools.replace_in_file("libexpat/expat/CMakeLists.txt",
                              'set(PACKAGE_BUGREPORT "expat-bugs@libexpat.org")',
                              ''' include(${CMAKE_BINARY_DIR}/../conanbuildinfo.cmake)
  conan_basic_setup()
  set(PACKAGE_BUGREPORT "expat-bugs@libexpat.org")''')

        cmake = CMake(self)

        cmake_args = { "BUILD_doc" : "OFF",
                       "BUILD_examples" : "OFF",
                       "BUILD_shared" : self.options.shared,
                       "BUILD_tests" : "OFF",
                       "BUILD_tools" : "OFF",
                       "CMAKE_POSITION_INDEPENDENT_CODE": "ON",
                       "CMAKE_DEBUG_POSTFIX": "",
                       "MSVC_USE_STATIC_CRT": self.options.static_crt,
                     }

        cmake.configure(source_dir="../libexpat/expat", build_dir="build", defs=cmake_args)

        try:
            if self.options.disable_getrandom:
                tools.replace_in_file("build/expat_config.h", "#define HAVE_GETRANDOM",
                                                              "// #undef HAVE_GETRANDOM")
                self.output.success("HAVE_GETRANDOM has been undefined by user request")
        except ConanException:
            self.output.warn("HAVE_GETRANDOM could not be undefined. It was not defined")

        cmake.build()
        cmake.install()

    def package_info(self):
        self.cpp_info.libs = ["expat"]
        if not self.options.shared:
            self.cpp_info.defines = ["XML_STATIC"]

    def configure(self):
        del self.settings.compiler.libcxx