Add recipe for the LLVM core libraries

recipes/llvm-core/all/CMakeLists.txt

@@ -0,0 +1,7 @@
+cmake_minimum_required(VERSION 3.13.4)
+project(conanllvm)
+
+include(${CMAKE_CURRENT_BINARY_DIR}/conanbuildinfo.cmake)
+conan_basic_setup()
+
+add_subdirectory("source")

recipes/llvm-core/all/conandata.yml

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+sources:
+    "11.1.0":
+        url: https://github.com/llvm/llvm-project/releases/download/llvmorg-11.1.0/llvm-11.1.0.src.tar.xz
+        sha256: ce8508e318a01a63d4e8b3090ab2ded3c598a50258cc49e2625b9120d4c03ea5
+
+patches:
+    "11.1.0":
+        - base_path: "source"
+          patch_file: "patches/11.1.0-vs2019.patch"
+        - base_path: "source"
+          patch_file: "patches/11.1.0-cmake.patch"
+        - base_path: "source"
+          patch_file: "patches/11.1.0-native.patch"
+

recipes/llvm-core/all/conanfile.py

@@ -0,0 +1,319 @@
+from conans.errors import ConanInvalidConfiguration
+from conans import ConanFile, CMake, tools
+
+from collections import defaultdict
+import json
+import re
+import os.path
+import os
+
+
+class LLVMCoreConan(ConanFile):
+    name = 'llvm-core'
+    description = (
+        'A toolkit for the construction of highly optimized compilers,'
+        'optimizers, and runtime environments.'
+    )
+    license = 'Apache-2.0 WITH LLVM-exception'
+    topics = ('conan', 'llvm')
+    homepage = 'https://github.com/llvm/llvm-project/tree/master/llvm'
+    url = 'https://github.com/conan-io/conan-center-index'
+
+    settings = ('os', 'arch', 'compiler', 'build_type')
+    options = {
+        'shared': [True, False],
+        'fPIC': [True, False],
+        'components': 'ANY',
+        'targets': 'ANY',
+        'exceptions': [True, False],
+        'rtti': [True, False],
+        'threads': [True, False],
+        'lto': ['On', 'Off', 'Full', 'Thin'],
+        'static_stdlib': [True, False],
+        'unwind_tables': [True, False],
+        'expensive_checks': [True, False],
+        'use_perf': [True, False],
+        'use_sanitizer': [
+            'Address',
+            'Memory',
+            'MemoryWithOrigins',
+            'Undefined',
+            'Thread',
+            'DataFlow',
+            'Address;Undefined',
+            'None'
+        ],
+        'with_ffi': [True, False],
+        'with_zlib': [True, False],
+        'with_xml2': [True, False]
+    }
+    default_options = {
+        'shared': False,
+        'fPIC': True,
+        'components': 'all',
+        'targets': 'all',
+        'exceptions': True,
+        'rtti': True,
+        'threads': True,
+        'lto': 'Off',
+        'static_stdlib': False,
+        'unwind_tables': True,
+        'expensive_checks': False,
+        'use_perf': False,
+        'use_sanitizer': 'None',
+        'with_ffi': False,
+        'with_zlib': True,
+        'with_xml2': True
+    }
+
+    exports_sources = ['CMakeLists.txt', 'patches/*']
+    generators = ['cmake', 'cmake_find_package']
+    no_copy_source = True
+
+    @property
+    def _source_subfolder(self):
+        return 'source'
+
+    def _supports_compiler(self):
+        compiler = self.settings.compiler.value
+        version = tools.Version(self.settings.compiler.version)
+        major_rev, minor_rev = int(version.major), int(version.minor)
+
+        unsupported_combinations = [
+            [compiler == 'gcc', major_rev == 5, minor_rev < 1],
+            [compiler == 'gcc', major_rev < 5],
+            [compiler == 'clang', major_rev < 4],
+            [compiler == 'apple-clang', major_rev < 9],
+            [compiler == 'Visual Studio', major_rev < 15]
+        ]
+        if any(all(combination) for combination in unsupported_combinations):
+            message = 'unsupported compiler: "{}", version "{}"'
+            raise ConanInvalidConfiguration(message.format(compiler, version))
+
+    def _patch_sources(self):
+        for patch in self.conan_data.get('patches', {}).get(self.version, []):
+            tools.patch(**patch)
+
+    def _patch_build(self):
+        if os.path.exists('FindIconv.cmake'):
+            tools.replace_in_file('FindIconv.cmake', 'iconv charset', 'iconv')
+
+    def _configure_cmake(self):
+        cmake = CMake(self)
+        cmake.definitions['BUILD_SHARED_LIBS'] = False
+        cmake.definitions['CMAKE_SKIP_RPATH'] = True
+        cmake.definitions['CMAKE_POSITION_INDEPENDENT_CODE'] = \
+            self.options.get_safe('fPIC', default=False) or self.options.shared
+
+        if not self.options.shared:
+            cmake.definitions['DISABLE_LLVM_LINK_LLVM_DYLIB'] = True
+        # cmake.definitions['LLVM_LINK_DYLIB'] = self.options.shared
+
+        cmake.definitions['LLVM_TARGET_ARCH'] = 'host'
+        cmake.definitions['LLVM_TARGETS_TO_BUILD'] = self.options.targets
+        cmake.definitions['LLVM_BUILD_LLVM_DYLIB'] = self.options.shared
+        cmake.definitions['LLVM_DYLIB_COMPONENTS'] = self.options.components
+        cmake.definitions['LLVM_ENABLE_PIC'] = \
+            self.options.get_safe('fPIC', default=False)
+
+        cmake.definitions['LLVM_ABI_BREAKING_CHECKS'] = 'WITH_ASSERTS'
+        cmake.definitions['LLVM_ENABLE_WARNINGS'] = True
+        cmake.definitions['LLVM_ENABLE_PEDANTIC'] = True
+        cmake.definitions['LLVM_ENABLE_WERROR'] = False
+
+        cmake.definitions['LLVM_TEMPORARILY_ALLOW_OLD_TOOLCHAIN'] = True
+        cmake.definitions['LLVM_USE_RELATIVE_PATHS_IN_DEBUG_INFO'] = False
+        cmake.definitions['LLVM_BUILD_INSTRUMENTED_COVERAGE'] = False
+        cmake.definitions['LLVM_OPTIMIZED_TABLEGEN'] = True
+        cmake.definitions['LLVM_REVERSE_ITERATION'] = False
+        cmake.definitions['LLVM_ENABLE_BINDINGS'] = False
+        cmake.definitions['LLVM_CCACHE_BUILD'] = False
+
+        cmake.definitions['LLVM_INCLUDE_TOOLS'] = self.options.shared
+        cmake.definitions['LLVM_INCLUDE_EXAMPLES'] = False
+        cmake.definitions['LLVM_INCLUDE_TESTS'] = False
+        cmake.definitions['LLVM_INCLUDE_BENCHMARKS'] = False
+        cmake.definitions['LLVM_APPEND_VC_REV'] = False
+        cmake.definitions['LLVM_BUILD_DOCS'] = False
+        cmake.definitions['LLVM_ENABLE_IDE'] = False
+
+        cmake.definitions['LLVM_ENABLE_EH'] = self.options.exceptions
+        cmake.definitions['LLVM_ENABLE_RTTI'] = self.options.rtti
+        cmake.definitions['LLVM_ENABLE_THREADS'] = self.options.threads
+        cmake.definitions['LLVM_ENABLE_LTO'] = self.options.lto
+        cmake.definitions['LLVM_STATIC_LINK_CXX_STDLIB'] = \
+            self.options.static_stdlib
+        cmake.definitions['LLVM_ENABLE_UNWIND_TABLES'] = \
+            self.options.unwind_tables
+        cmake.definitions['LLVM_ENABLE_EXPENSIVE_CHECKS'] = \
+            self.options.expensive_checks
+        cmake.definitions['LLVM_ENABLE_ASSERTIONS'] = \
+            self.settings.build_type == 'Debug'
+
+        cmake.definitions['LLVM_USE_NEWPM'] = False
+        cmake.definitions['LLVM_USE_OPROFILE'] = False
+        cmake.definitions['LLVM_USE_PERF'] = self.options.use_perf
+        if self.options.use_sanitizer == 'None':
+            cmake.definitions['LLVM_USE_SANITIZER'] = ''
+        else:
+            cmake.definitions['LLVM_USE_SANITIZER'] = \
+                self.options.use_sanitizer
+
+        cmake.definitions['LLVM_ENABLE_Z3_SOLVER'] = False
+        cmake.definitions['LLVM_ENABLE_LIBPFM'] = False
+        cmake.definitions['LLVM_ENABLE_LIBEDIT'] = False
+        cmake.definitions['LLVM_ENABLE_FFI'] = self.options.with_ffi
+        cmake.definitions['LLVM_ENABLE_ZLIB'] = \
+            self.options.get_safe('with_zlib', False)
+        cmake.definitions['LLVM_ENABLE_LIBXML2'] = \
+            self.options.get_safe('with_xml2', False)
+        return cmake
+
+    def config_options(self):
+        if self.settings.os == 'Windows':
+            del self.options.fPIC
+            del self.options.with_zlib
+            del self.options.with_xml2
+
+    def requirements(self):
+        if self.options.with_ffi:
+            self.requires('libffi/3.3')
+        if self.options.get_safe('with_zlib', False):
+            self.requires('zlib/1.2.11')
+        if self.options.get_safe('with_xml2', False):
+            self.requires('libxml2/2.9.10')
+
+    def configure(self):
+        if self.options.shared:  # Shared builds disabled just due to the CI
+            message = 'Shared builds not currently supported'
+            raise ConanInvalidConfiguration(message)
+            # del self.options.fPIC
+        # if self.settings.os == 'Windows' and self.options.shared:
+        #     message = 'Shared builds not supported on Windows'
+        #     raise ConanInvalidConfiguration(message)
+        if self.options.exceptions and not self.options.rtti:
+            message = 'Cannot enable exceptions without rtti support'
+            raise ConanInvalidConfiguration(message)
+        self._supports_compiler()
+
+    def source(self):
+        tools.get(**self.conan_data['sources'][self.version])
+        os.rename('llvm-{}.src'.format(self.version), self._source_subfolder)
+        self._patch_sources()
+
+    def build(self):
+        self._patch_build()
+        cmake = self._configure_cmake()
+        cmake.configure()
+        cmake.build()
+
+    def package(self):
+        self.copy('LICENSE.TXT', dst='licenses', src=self._source_subfolder)
+        lib_path = os.path.join(self.package_folder, 'lib')
+
+        cmake = self._configure_cmake()
+        cmake.install()
+
+        if not self.options.shared:
+            for ext in ['.a', '.lib']:
+                lib = '*LLVMTableGenGlobalISel{}'.format(ext)
+                self.copy(lib, dst='lib', src='lib')
+
+            self.run('cmake --graphviz=graph/llvm.dot .')
+            with tools.chdir('graph'):
+                dot_text = tools.load('llvm.dot').replace('\r\n', '\n')
+
+            dep_regex = re.compile(r'//\s(.+)\s->\s(.+)$', re.MULTILINE)
+            deps = re.findall(dep_regex, dot_text)
+
+            dummy_targets = defaultdict(list)
+            for target, dep in deps:
+                if not target.startswith('LLVM'):
+                    dummy_targets[target].append(dep)
+
+            cmake_targets = {
+                'libffi::libffi': 'ffi',
+                'ZLIB::ZLIB': 'z',
+                'Iconv::Iconv': 'iconv',
+                'LibXml2::LibXml2': 'xml2'
+            }
+
+            components = defaultdict(list)
+            for lib, dep in deps:
+                if not lib.startswith('LLVM'):
+                    continue
+                elif dep.startswith('-delayload:'):
+                    continue
+                elif dep.startswith('LLVM'):
+                    components[dep]
+                elif dep in cmake_targets:
+                    dep = cmake_targets[dep]
+                elif os.path.exists(dep):
+                    dep = os.path.splitext(os.path.basename(dep))[0]
+                    dep = dep.replace('lib', '')
+                dep = dep.replace('-l', '')
+
+                if dep in dummy_targets.keys():
+                    components[lib].extend(dummy_targets[dep])
+                    components[lib] = list(set(components[lib]))
+                else:
+                    components[lib].append(dep)
+
+        tools.rmdir(os.path.join(self.package_folder, 'bin'))
+        tools.rmdir(os.path.join(self.package_folder, 'lib', 'cmake'))
+        tools.rmdir(os.path.join(self.package_folder, 'share'))
+
+        for name in os.listdir(lib_path):
+            if 'LLVM' not in name:
+                os.remove(os.path.join(lib_path, name))
+
+        if not self.options.shared:
+            components_path = \
+                os.path.join(self.package_folder, 'lib', 'components.json')
+            with open(components_path, 'w') as components_file:
+                json.dump(components, components_file, indent=4)
+        else:
+            suffixes = ['.dylib', '.so']
+            for name in os.listdir(lib_path):
+                if not any(suffix in name for suffix in suffixes):
+                    os.remove(os.path.join(lib_path, name))
+
+    def package_info(self):
+        if self.options.shared:
+            self.cpp_info.libs = tools.collect_libs(self)
+            if self.settings.os == 'Linux':
+                self.cpp_info.system_libs = ['tinfo', 'pthread']
+                self.cpp_info.system_libs.extend(['rt', 'dl', 'm'])
+            elif self.settings.os == 'Macos':
+                self.cpp_info.system_libs = ['curses', 'm']
+            return
+
+        components_path = \
+            os.path.join(self.package_folder, 'lib', 'components.json')
+        with open(components_path, 'r') as components_file:
+            components = json.load(components_file)
+
+        dependencies = ['ffi', 'z', 'iconv', 'xml2']
+        targets = {
+            'ffi': 'libffi::libffi',
+            'z': 'zlib::zlib',
+            'xml2': 'libxml2::libxml2'
+        }
+
+        for lib, deps in components.items():
+            component = lib[4:].replace('LLVM', '').lower()
+
+            self.cpp_info.components[component].libs = [lib]
+
+            self.cpp_info.components[component].requires = [
+                dep[4:].replace('LLVM', '').lower()
+                for dep in deps if dep.startswith('LLVM')
+            ]
+            for lib, target in targets.items():
+                if lib in deps:
+                    self.cpp_info.components[component].requires.append(target)
+
+            self.cpp_info.components[component].system_libs = [
+                dep for dep in deps
+                if not dep.startswith('LLVM') and dep not in dependencies
+            ]