conanfile.py

from conans import ConanFile, CMake, tools
import os
import platform

class RtAudioConan(ConanFile):
    name = 'rtaudio'

    source_version = '5.2.0'
    package_version = '0'
    version = '%s-%s' % (source_version, package_version)

    build_requires = (
        'llvm/5.0.2-5@vuo+conan+llvm/stable',
        'macos-sdk/11.0-0@vuo+conan+macos-sdk/stable',
        'vuoutils/1.2@vuo+conan+vuoutils/stable',
    )
    settings = 'os', 'compiler', 'build_type', 'arch'
    url = 'http://www.music.mcgill.ca/~gary/rtaudio/'
    license = 'http://www.music.mcgill.ca/~gary/rtaudio/license.html'
    description = 'A cross-platform library for realtime audio input/output'
    source_dir = 'rtaudio-%s' % source_version
    generators = 'cmake'
    build_dir = '_build'
    install_dir = '_install'
    exports_sources = '*.patch'
    libs = {
        'rtaudio': 5,
    }

    def requirements(self):
        if platform.system() == 'Linux':
            self.requires('patchelf/0.10pre-1@vuo/stable')
        elif platform.system() != 'Darwin':
            raise Exception('Unknown platform "%s"' % platform.system())

    def source(self):
        tools.get('http://www.music.mcgill.ca/~gary/rtaudio/release/rtaudio-%s.tar.gz' % self.source_version,
                  sha256='d6089c214e5dbff136ab21f3f5efc284e93475ebd198c54d4b9b6c44419ef4e6')

        tools.patch(patch_file='modeluid.patch', base_path=self.source_dir)

        self.run('mv %s/LICENSE %s/%s.txt' % (self.source_dir, self.source_dir, self.name))

    def build(self):
        cmake = CMake(self)
        cmake.definitions['CMAKE_BUILD_TYPE'] = 'Release'
        cmake.definitions['CMAKE_C_COMPILER'] = self.deps_cpp_info['llvm'].rootpath + '/bin/clang'
        cmake.definitions['CMAKE_C_FLAGS'] = '-Oz -DNDEBUG'
        cmake.definitions['CMAKE_OSX_ARCHITECTURES'] = 'x86_64;arm64'
        cmake.definitions['CMAKE_OSX_DEPLOYMENT_TARGET'] = '10.11'
        cmake.definitions['CMAKE_OSX_SYSROOT'] = self.deps_cpp_info['macos-sdk'].rootpath
        cmake.definitions['CMAKE_INSTALL_PREFIX'] = '../%s' % self.install_dir
        cmake.definitions['CMAKE_SHARED_LINKER_FLAGS'] = '-Wl,-macos_version_min,10.11'
        cmake.definitions['RTAUDIO_API_JACK'] = False

        tools.mkdir(self.build_dir)
        with tools.chdir(self.build_dir):
            cmake.configure(source_dir='../%s' % self.source_dir,
                            build_dir='.')
            cmake.build()
            cmake.install()

        import VuoUtils
        with tools.chdir('%s/lib' % self.install_dir):
            VuoUtils.fixLibs(self.libs, self.deps_cpp_info)

    def package(self):
        if platform.system() == 'Darwin':
            libext = 'dylib'
        elif platform.system() == 'Linux':
            libext = 'so'

        self.copy('*.h', src='%s/include/rtaudio' % self.install_dir, dst='include/RtAudio')
        self.copy('librtaudio.%s' % libext, src='%s/lib' % self.install_dir, dst='lib')

        self.copy('%s.txt' % self.name, src=self.source_dir, dst='license')

    def package_info(self):
        self.cpp_info.libs = ['rtaudio']