| from __future__ import absolute_import |
| import filecmp |
| import os |
| import sys |
| |
| import llvmbuild.componentinfo as componentinfo |
| |
| from llvmbuild.util import fatal, note |
| |
| ### |
| |
| def cmake_quote_string(value): |
| """ |
| cmake_quote_string(value) -> str |
| |
| Return a quoted form of the given value that is suitable for use in CMake |
| language files. |
| """ |
| |
| # Currently, we only handle escaping backslashes. |
| value = value.replace("\\", "\\\\") |
| |
| return value |
| |
| def cmake_quote_path(value): |
| """ |
| cmake_quote_path(value) -> str |
| |
| Return a quoted form of the given value that is suitable for use in CMake |
| language files. |
| """ |
| |
| # CMake has a bug in it's Makefile generator that doesn't properly quote |
| # strings it generates. So instead of using proper quoting, we just use "/" |
| # style paths. Currently, we only handle escaping backslashes. |
| value = value.replace("\\", "/") |
| |
| return value |
| |
| def make_install_dir(path): |
| """ |
| make_install_dir(path) -> None |
| |
| Create the given directory path for installation, including any parents. |
| """ |
| |
| # os.makedirs considers it an error to be called with an existent path. |
| if not os.path.exists(path): |
| os.makedirs(path) |
| |
| ### |
| |
| class LLVMProjectInfo(object): |
| @staticmethod |
| def load_infos_from_path(llvmbuild_source_root): |
| def recurse(subpath): |
| # Load the LLVMBuild file. |
| llvmbuild_path = os.path.join(llvmbuild_source_root + subpath, |
| 'LLVMBuild.txt') |
| if not os.path.exists(llvmbuild_path): |
| fatal("missing LLVMBuild.txt file at: %r" % (llvmbuild_path,)) |
| |
| # Parse the components from it. |
| common,info_iter = componentinfo.load_from_path(llvmbuild_path, |
| subpath) |
| for info in info_iter: |
| yield info |
| |
| # Recurse into the specified subdirectories. |
| for subdir in common.get_list("subdirectories"): |
| for item in recurse(os.path.join(subpath, subdir)): |
| yield item |
| |
| return recurse("/") |
| |
| @staticmethod |
| def load_from_path(source_root, llvmbuild_source_root): |
| infos = list( |
| LLVMProjectInfo.load_infos_from_path(llvmbuild_source_root)) |
| |
| return LLVMProjectInfo(source_root, infos) |
| |
| def __init__(self, source_root, component_infos): |
| # Store our simple ivars. |
| self.source_root = source_root |
| self.component_infos = list(component_infos) |
| self.component_info_map = None |
| self.ordered_component_infos = None |
| |
| def validate_components(self): |
| """validate_components() -> None |
| |
| Validate that the project components are well-defined. Among other |
| things, this checks that: |
| - Components have valid references. |
| - Components references do not form cycles. |
| |
| We also construct the map from component names to info, and the |
| topological ordering of components. |
| """ |
| |
| # Create the component info map and validate that component names are |
| # unique. |
| self.component_info_map = {} |
| for ci in self.component_infos: |
| existing = self.component_info_map.get(ci.name) |
| if existing is not None: |
| # We found a duplicate component name, report it and error out. |
| fatal("found duplicate component %r (at %r and %r)" % ( |
| ci.name, ci.subpath, existing.subpath)) |
| self.component_info_map[ci.name] = ci |
| |
| # Disallow 'all' as a component name, which is a special case. |
| if 'all' in self.component_info_map: |
| fatal("project is not allowed to define 'all' component") |
| |
| # Add the root component. |
| if '$ROOT' in self.component_info_map: |
| fatal("project is not allowed to define $ROOT component") |
| self.component_info_map['$ROOT'] = componentinfo.GroupComponentInfo( |
| '/', '$ROOT', None) |
| self.component_infos.append(self.component_info_map['$ROOT']) |
| |
| # Topologically order the component information according to their |
| # component references. |
| def visit_component_info(ci, current_stack, current_set): |
| # Check for a cycles. |
| if ci in current_set: |
| # We found a cycle, report it and error out. |
| cycle_description = ' -> '.join( |
| '%r (%s)' % (ci.name, relation) |
| for relation,ci in current_stack) |
| fatal("found cycle to %r after following: %s -> %s" % ( |
| ci.name, cycle_description, ci.name)) |
| |
| # If we have already visited this item, we are done. |
| if ci not in components_to_visit: |
| return |
| |
| # Otherwise, mark the component info as visited and traverse. |
| components_to_visit.remove(ci) |
| |
| # Validate the parent reference, which we treat specially. |
| if ci.parent is not None: |
| parent = self.component_info_map.get(ci.parent) |
| if parent is None: |
| fatal("component %r has invalid reference %r (via %r)" % ( |
| ci.name, ci.parent, 'parent')) |
| ci.set_parent_instance(parent) |
| |
| for relation,referent_name in ci.get_component_references(): |
| # Validate that the reference is ok. |
| referent = self.component_info_map.get(referent_name) |
| if referent is None: |
| fatal("component %r has invalid reference %r (via %r)" % ( |
| ci.name, referent_name, relation)) |
| |
| # Visit the reference. |
| current_stack.append((relation,ci)) |
| current_set.add(ci) |
| visit_component_info(referent, current_stack, current_set) |
| current_set.remove(ci) |
| current_stack.pop() |
| |
| # Finally, add the component info to the ordered list. |
| self.ordered_component_infos.append(ci) |
| |
| # FIXME: We aren't actually correctly checking for cycles along the |
| # parent edges. Haven't decided how I want to handle this -- I thought |
| # about only checking cycles by relation type. If we do that, it falls |
| # out easily. If we don't, we should special case the check. |
| |
| self.ordered_component_infos = [] |
| components_to_visit = sorted( |
| set(self.component_infos), |
| key = lambda c: c.name) |
| while components_to_visit: |
| visit_component_info(components_to_visit[0], [], set()) |
| |
| # Canonicalize children lists. |
| for c in self.ordered_component_infos: |
| c.children.sort(key = lambda c: c.name) |
| |
| def print_tree(self): |
| def visit(node, depth = 0): |
| print('%s%-40s (%s)' % (' '*depth, node.name, node.type_name)) |
| for c in node.children: |
| visit(c, depth + 1) |
| visit(self.component_info_map['$ROOT']) |
| |
| def write_components(self, output_path): |
| # Organize all the components by the directory their LLVMBuild file |
| # should go in. |
| info_basedir = {} |
| for ci in self.component_infos: |
| # Ignore the $ROOT component. |
| if ci.parent is None: |
| continue |
| |
| info_basedir[ci.subpath] = info_basedir.get(ci.subpath, []) + [ci] |
| |
| # Compute the list of subdirectories to scan. |
| subpath_subdirs = {} |
| for ci in self.component_infos: |
| # Ignore root components. |
| if ci.subpath == '/': |
| continue |
| |
| # Otherwise, append this subpath to the parent list. |
| parent_path = os.path.dirname(ci.subpath) |
| subpath_subdirs[parent_path] = parent_list = subpath_subdirs.get( |
| parent_path, set()) |
| parent_list.add(os.path.basename(ci.subpath)) |
| |
| # Generate the build files. |
| for subpath, infos in info_basedir.items(): |
| # Order the components by name to have a canonical ordering. |
| infos.sort(key = lambda ci: ci.name) |
| |
| # Format the components into llvmbuild fragments. |
| fragments = [] |
| |
| # Add the common fragments. |
| subdirectories = subpath_subdirs.get(subpath) |
| if subdirectories: |
| fragment = """\ |
| subdirectories = %s |
| """ % (" ".join(sorted(subdirectories)),) |
| fragments.append(("common", fragment)) |
| |
| # Add the component fragments. |
| num_common_fragments = len(fragments) |
| for ci in infos: |
| fragment = ci.get_llvmbuild_fragment() |
| if fragment is None: |
| continue |
| |
| name = "component_%d" % (len(fragments) - num_common_fragments) |
| fragments.append((name, fragment)) |
| |
| if not fragments: |
| continue |
| |
| assert subpath.startswith('/') |
| directory_path = os.path.join(output_path, subpath[1:]) |
| |
| # Create the directory if it does not already exist. |
| if not os.path.exists(directory_path): |
| os.makedirs(directory_path) |
| |
| # In an effort to preserve comments (which aren't parsed), read in |
| # the original file and extract the comments. We only know how to |
| # associate comments that prefix a section name. |
| f = open(infos[0]._source_path) |
| comments_map = {} |
| comment_block = "" |
| for ln in f: |
| if ln.startswith(';'): |
| comment_block += ln |
| elif ln.startswith('[') and ln.endswith(']\n'): |
| comments_map[ln[1:-2]] = comment_block |
| else: |
| comment_block = "" |
| f.close() |
| |
| # Create the LLVMBuild fil[e. |
| file_path = os.path.join(directory_path, 'LLVMBuild.txt') |
| f = open(file_path, "w") |
| |
| # Write the header. |
| header_fmt = ';===- %s %s-*- Conf -*--===;' |
| header_name = '.' + os.path.join(subpath, 'LLVMBuild.txt') |
| header_pad = '-' * (80 - len(header_fmt % (header_name, ''))) |
| header_string = header_fmt % (header_name, header_pad) |
| f.write("""\ |
| %s |
| ; |
| ; Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| ; See https://llvm.org/LICENSE.txt for license information. |
| ; SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| ; |
| ;===------------------------------------------------------------------------===; |
| ; |
| ; This is an LLVMBuild description file for the components in this subdirectory. |
| ; |
| ; For more information on the LLVMBuild system, please see: |
| ; |
| ; http://llvm.org/docs/LLVMBuild.html |
| ; |
| ;===------------------------------------------------------------------------===; |
| |
| """ % header_string) |
| |
| # Write out each fragment.each component fragment. |
| for name,fragment in fragments: |
| comment = comments_map.get(name) |
| if comment is not None: |
| f.write(comment) |
| f.write("[%s]\n" % name) |
| f.write(fragment) |
| if fragment is not fragments[-1][1]: |
| f.write('\n') |
| |
| f.close() |
| |
| def write_library_table(self, output_path, enabled_optional_components): |
| # Write out the mapping from component names to required libraries. |
| # |
| # We do this in topological order so that we know we can append the |
| # dependencies for added library groups. |
| entries = {} |
| for c in self.ordered_component_infos: |
| # Skip optional components which are not enabled. |
| if c.type_name == 'OptionalLibrary' \ |
| and c.name not in enabled_optional_components: |
| continue |
| |
| # Skip target groups which are not enabled. |
| tg = c.get_parent_target_group() |
| if tg and not tg.enabled: |
| continue |
| |
| # Only certain components are in the table. |
| if c.type_name not in ('Library', 'OptionalLibrary', \ |
| 'LibraryGroup', 'TargetGroup'): |
| continue |
| |
| # Compute the llvm-config "component name". For historical reasons, |
| # this is lowercased based on the library name. |
| llvmconfig_component_name = c.get_llvmconfig_component_name() |
| |
| # Get the library name, or None for LibraryGroups. |
| if c.type_name == 'Library' or c.type_name == 'OptionalLibrary': |
| library_name = c.get_prefixed_library_name() |
| is_installed = c.installed |
| else: |
| library_name = None |
| is_installed = True |
| |
| # Get the component names of all the required libraries. |
| required_llvmconfig_component_names = [ |
| self.component_info_map[dep].get_llvmconfig_component_name() |
| for dep in c.required_libraries] |
| |
| # Insert the entries for library groups we should add to. |
| for dep in c.add_to_library_groups: |
| entries[dep][2].append(llvmconfig_component_name) |
| |
| # Add the entry. |
| entries[c.name] = (llvmconfig_component_name, library_name, |
| required_llvmconfig_component_names, |
| is_installed) |
| |
| # Convert to a list of entries and sort by name. |
| entries = list(entries.values()) |
| |
| # Create an 'all' pseudo component. We keep the dependency list small by |
| # only listing entries that have no other dependents. |
| root_entries = set(e[0] for e in entries) |
| for _,_,deps,_ in entries: |
| root_entries -= set(deps) |
| entries.append(('all', None, root_entries, True)) |
| |
| entries.sort() |
| |
| # Compute the maximum number of required libraries, plus one so there is |
| # always a sentinel. |
| max_required_libraries = max(len(deps) |
| for _,_,deps,_ in entries) + 1 |
| |
| # Write out the library table. |
| make_install_dir(os.path.dirname(output_path)) |
| f = open(output_path+'.new', 'w') |
| f.write("""\ |
| //===- llvm-build generated file --------------------------------*- C++ -*-===// |
| // |
| // Component Library Dependency Table |
| // |
| // Automatically generated file, do not edit! |
| // |
| //===----------------------------------------------------------------------===// |
| |
| """) |
| f.write('struct AvailableComponent {\n') |
| f.write(' /// The name of the component.\n') |
| f.write(' const char *Name;\n') |
| f.write('\n') |
| f.write(' /// The name of the library for this component (or NULL).\n') |
| f.write(' const char *Library;\n') |
| f.write('\n') |
| f.write(' /// Whether the component is installed.\n') |
| f.write(' bool IsInstalled;\n') |
| f.write('\n') |
| f.write('\ |
| /// The list of libraries required when linking this component.\n') |
| f.write(' const char *RequiredLibraries[%d];\n' % ( |
| max_required_libraries)) |
| f.write('} AvailableComponents[%d] = {\n' % len(entries)) |
| for name,library_name,required_names,is_installed in entries: |
| if library_name is None: |
| library_name_as_cstr = 'nullptr' |
| else: |
| library_name_as_cstr = '"%s"' % library_name |
| if is_installed: |
| is_installed_as_cstr = 'true' |
| else: |
| is_installed_as_cstr = 'false' |
| f.write(' { "%s", %s, %s, { %s } },\n' % ( |
| name, library_name_as_cstr, is_installed_as_cstr, |
| ', '.join('"%s"' % dep |
| for dep in required_names))) |
| f.write('};\n') |
| f.close() |
| |
| if not os.path.isfile(output_path): |
| os.rename(output_path+'.new', output_path) |
| elif filecmp.cmp(output_path, output_path+'.new'): |
| os.remove(output_path+'.new') |
| else: |
| os.remove(output_path) |
| os.rename(output_path+'.new', output_path) |
| |
| def get_required_libraries_for_component(self, ci, traverse_groups = False): |
| """ |
| get_required_libraries_for_component(component_info) -> iter |
| |
| Given a Library component info descriptor, return an iterator over all |
| of the directly required libraries for linking with this component. If |
| traverse_groups is True, then library and target groups will be |
| traversed to include their required libraries. |
| """ |
| |
| assert ci.type_name in ('Library', 'OptionalLibrary', 'LibraryGroup', 'TargetGroup') |
| |
| for name in ci.required_libraries: |
| # Get the dependency info. |
| dep = self.component_info_map[name] |
| |
| # If it is a library, yield it. |
| if dep.type_name == 'Library' or dep.type_name == 'OptionalLibrary': |
| yield dep |
| continue |
| |
| # Otherwise if it is a group, yield or traverse depending on what |
| # was requested. |
| if dep.type_name in ('LibraryGroup', 'TargetGroup'): |
| if not traverse_groups: |
| yield dep |
| continue |
| |
| for res in self.get_required_libraries_for_component(dep, True): |
| yield res |
| |
| def get_fragment_dependencies(self): |
| """ |
| get_fragment_dependencies() -> iter |
| |
| Compute the list of files (as absolute paths) on which the output |
| fragments depend (i.e., files for which a modification should trigger a |
| rebuild of the fragment). |
| """ |
| |
| # Construct a list of all the dependencies of the Makefile fragment |
| # itself. These include all the LLVMBuild files themselves, as well as |
| # all of our own sources. |
| # |
| # Many components may come from the same file, so we make sure to unique |
| # these. |
| build_paths = set() |
| for ci in self.component_infos: |
| p = os.path.join(self.source_root, ci.subpath[1:], 'LLVMBuild.txt') |
| if p not in build_paths: |
| yield p |
| build_paths.add(p) |
| |
| # Gather the list of necessary sources by just finding all loaded |
| # modules that are inside the LLVM source tree. |
| for module in sys.modules.values(): |
| # Find the module path. |
| if not hasattr(module, '__file__'): |
| continue |
| path = getattr(module, '__file__') |
| if not path: |
| continue |
| |
| # Strip off any compiled suffix. |
| if os.path.splitext(path)[1] in ['.pyc', '.pyo', '.pyd']: |
| path = path[:-1] |
| |
| # If the path exists and is in the source tree, consider it a |
| # dependency. |
| if (path.startswith(self.source_root) and os.path.exists(path)): |
| yield path |
| |
| def foreach_cmake_library(self, f, |
| enabled_optional_components, |
| skip_disabled, |
| skip_not_installed): |
| for ci in self.ordered_component_infos: |
| # Skip optional components which are not enabled. |
| if ci.type_name == 'OptionalLibrary' \ |
| and ci.name not in enabled_optional_components: |
| continue |
| |
| # We only write the information for libraries currently. |
| if ci.type_name not in ('Library', 'OptionalLibrary'): |
| continue |
| |
| # Skip disabled targets. |
| if skip_disabled: |
| tg = ci.get_parent_target_group() |
| if tg and not tg.enabled: |
| continue |
| |
| # Skip targets that will not be installed |
| if skip_not_installed and not ci.installed: |
| continue |
| |
| f(ci) |
| |
| |
| def write_cmake_fragment(self, output_path, enabled_optional_components): |
| """ |
| write_cmake_fragment(output_path) -> None |
| |
| Generate a CMake fragment which includes all of the collated LLVMBuild |
| information in a format that is easily digestible by a CMake. The exact |
| contents of this are closely tied to how the CMake configuration |
| integrates LLVMBuild, see CMakeLists.txt in the top-level. |
| """ |
| |
| dependencies = list(self.get_fragment_dependencies()) |
| |
| # Write out the CMake fragment. |
| make_install_dir(os.path.dirname(output_path)) |
| f = open(output_path, 'w') |
| |
| # Write the header. |
| header_fmt = '\ |
| #===-- %s - LLVMBuild Configuration for LLVM %s-*- CMake -*--===#' |
| header_name = os.path.basename(output_path) |
| header_pad = '-' * (80 - len(header_fmt % (header_name, ''))) |
| header_string = header_fmt % (header_name, header_pad) |
| f.write("""\ |
| %s |
| # |
| # Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| # See https://llvm.org/LICENSE.txt for license information. |
| # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| # |
| #===------------------------------------------------------------------------===# |
| # |
| # This file contains the LLVMBuild project information in a format easily |
| # consumed by the CMake based build system. |
| # |
| # This file is autogenerated by llvm-build, do not edit! |
| # |
| #===------------------------------------------------------------------------===# |
| |
| """ % header_string) |
| |
| # Write the dependency information in the best way we can. |
| f.write(""" |
| # LLVMBuild CMake fragment dependencies. |
| # |
| # CMake has no builtin way to declare that the configuration depends on |
| # a particular file. However, a side effect of configure_file is to add |
| # said input file to CMake's internal dependency list. So, we use that |
| # and a dummy output file to communicate the dependency information to |
| # CMake. |
| # |
| # FIXME: File a CMake RFE to get a properly supported version of this |
| # feature. |
| """) |
| for dep in dependencies: |
| f.write("""\ |
| configure_file(\"%s\" |
| ${CMAKE_CURRENT_BINARY_DIR}/DummyConfigureOutput)\n""" % ( |
| cmake_quote_path(dep),)) |
| |
| # Write the properties we use to encode the required library dependency |
| # information in a form CMake can easily use directly. |
| f.write(""" |
| # Explicit library dependency information. |
| # |
| # The following property assignments effectively create a map from component |
| # names to required libraries, in a way that is easily accessed from CMake. |
| """) |
| self.foreach_cmake_library( |
| lambda ci: |
| f.write("""\ |
| set_property(GLOBAL PROPERTY LLVMBUILD_LIB_DEPS_%s %s)\n""" % ( |
| ci.get_prefixed_library_name(), " ".join(sorted( |
| dep.get_prefixed_library_name() |
| for dep in self.get_required_libraries_for_component(ci))))) |
| , |
| enabled_optional_components, |
| skip_disabled = False, |
| skip_not_installed = False # Dependency info must be emitted for internals libs too |
| ) |
| |
| f.close() |
| |
| def write_cmake_exports_fragment(self, output_path, enabled_optional_components): |
| """ |
| write_cmake_exports_fragment(output_path) -> None |
| |
| Generate a CMake fragment which includes LLVMBuild library |
| dependencies expressed similarly to how CMake would write |
| them via install(EXPORT). |
| """ |
| |
| dependencies = list(self.get_fragment_dependencies()) |
| |
| # Write out the CMake exports fragment. |
| make_install_dir(os.path.dirname(output_path)) |
| f = open(output_path, 'w') |
| |
| f.write("""\ |
| # Explicit library dependency information. |
| # |
| # The following property assignments tell CMake about link |
| # dependencies of libraries imported from LLVM. |
| """) |
| self.foreach_cmake_library( |
| lambda ci: |
| f.write("""\ |
| set_property(TARGET %s PROPERTY IMPORTED_LINK_INTERFACE_LIBRARIES %s)\n""" % ( |
| ci.get_prefixed_library_name(), " ".join(sorted( |
| dep.get_prefixed_library_name() |
| for dep in self.get_required_libraries_for_component(ci))))) |
| , |
| enabled_optional_components, |
| skip_disabled = True, |
| skip_not_installed = True # Do not export internal libraries like gtest |
| ) |
| |
| f.close() |
| |
| def add_magic_target_components(parser, project, opts): |
| """add_magic_target_components(project, opts) -> None |
| |
| Add the "magic" target based components to the project, which can only be |
| determined based on the target configuration options. |
| |
| This currently is responsible for populating the required_libraries list of |
| the "all-targets", "Native", "NativeCodeGen", and "Engine" components. |
| """ |
| |
| # Determine the available targets. |
| available_targets = dict((ci.name,ci) |
| for ci in project.component_infos |
| if ci.type_name == 'TargetGroup') |
| |
| # Find the configured native target. |
| |
| # We handle a few special cases of target names here for historical |
| # reasons, as these are the names configure currently comes up with. |
| native_target_name = { 'x86' : 'X86', |
| 'x86_64' : 'X86', |
| 'Unknown' : None }.get(opts.native_target, |
| opts.native_target) |
| if native_target_name is None: |
| native_target = None |
| else: |
| native_target = available_targets.get(native_target_name) |
| if native_target is None: |
| parser.error("invalid native target: %r (not in project)" % ( |
| opts.native_target,)) |
| if native_target.type_name != 'TargetGroup': |
| parser.error("invalid native target: %r (not a target)" % ( |
| opts.native_target,)) |
| |
| # Find the list of targets to enable. |
| if opts.enable_targets is None: |
| enable_targets = available_targets.values() |
| else: |
| # We support both space separated and semi-colon separated lists. |
| if opts.enable_targets == '': |
| enable_target_names = [] |
| elif ' ' in opts.enable_targets: |
| enable_target_names = opts.enable_targets.split() |
| else: |
| enable_target_names = opts.enable_targets.split(';') |
| |
| enable_targets = [] |
| for name in enable_target_names: |
| target = available_targets.get(name) |
| if target is None: |
| parser.error("invalid target to enable: %r (not in project)" % ( |
| name,)) |
| if target.type_name != 'TargetGroup': |
| parser.error("invalid target to enable: %r (not a target)" % ( |
| name,)) |
| enable_targets.append(target) |
| |
| # Find the special library groups we are going to populate. We enforce that |
| # these appear in the project (instead of just adding them) so that they at |
| # least have an explicit representation in the project LLVMBuild files (and |
| # comments explaining how they are populated). |
| def find_special_group(name): |
| info = info_map.get(name) |
| if info is None: |
| fatal("expected project to contain special %r component" % ( |
| name,)) |
| |
| if info.type_name != 'LibraryGroup': |
| fatal("special component %r should be a LibraryGroup" % ( |
| name,)) |
| |
| if info.required_libraries: |
| fatal("special component %r must have empty %r list" % ( |
| name, 'required_libraries')) |
| if info.add_to_library_groups: |
| fatal("special component %r must have empty %r list" % ( |
| name, 'add_to_library_groups')) |
| |
| info._is_special_group = True |
| return info |
| |
| info_map = dict((ci.name, ci) for ci in project.component_infos) |
| all_targets = find_special_group('all-targets') |
| native_group = find_special_group('Native') |
| native_codegen_group = find_special_group('NativeCodeGen') |
| engine_group = find_special_group('Engine') |
| |
| # Set the enabled bit in all the target groups, and append to the |
| # all-targets list. |
| for ci in enable_targets: |
| all_targets.required_libraries.append(ci.name) |
| ci.enabled = True |
| |
| # If we have a native target, then that defines the native and |
| # native_codegen libraries. |
| if native_target and native_target.enabled: |
| native_group.required_libraries.append(native_target.name) |
| native_codegen_group.required_libraries.append( |
| '%sCodeGen' % native_target.name) |
| |
| # If we have a native target with a JIT, use that for the engine. Otherwise, |
| # use the interpreter. |
| if native_target and native_target.enabled and native_target.has_jit: |
| engine_group.required_libraries.append('MCJIT') |
| engine_group.required_libraries.append(native_group.name) |
| else: |
| engine_group.required_libraries.append('Interpreter') |
| |
| def main(): |
| from optparse import OptionParser, OptionGroup |
| parser = OptionParser("usage: %prog [options]") |
| |
| group = OptionGroup(parser, "Input Options") |
| group.add_option("", "--source-root", dest="source_root", metavar="PATH", |
| help="Path to the LLVM source (inferred if not given)", |
| action="store", default=None) |
| group.add_option("", "--llvmbuild-source-root", |
| dest="llvmbuild_source_root", |
| help=( |
| "If given, an alternate path to search for LLVMBuild.txt files"), |
| action="store", default=None, metavar="PATH") |
| parser.add_option_group(group) |
| |
| group = OptionGroup(parser, "Output Options") |
| group.add_option("", "--print-tree", dest="print_tree", |
| help="Print out the project component tree [%default]", |
| action="store_true", default=False) |
| group.add_option("", "--write-llvmbuild", dest="write_llvmbuild", |
| help="Write out the LLVMBuild.txt files to PATH", |
| action="store", default=None, metavar="PATH") |
| group.add_option("", "--write-library-table", |
| dest="write_library_table", metavar="PATH", |
| help="Write the C++ library dependency table to PATH", |
| action="store", default=None) |
| group.add_option("", "--write-cmake-fragment", |
| dest="write_cmake_fragment", metavar="PATH", |
| help="Write the CMake project information to PATH", |
| action="store", default=None) |
| group.add_option("", "--write-cmake-exports-fragment", |
| dest="write_cmake_exports_fragment", metavar="PATH", |
| help="Write the CMake exports information to PATH", |
| action="store", default=None) |
| parser.add_option_group(group) |
| |
| group = OptionGroup(parser, "Configuration Options") |
| group.add_option("", "--native-target", |
| dest="native_target", metavar="NAME", |
| help=("Treat the named target as the 'native' one, if " |
| "given [%default]"), |
| action="store", default=None) |
| group.add_option("", "--enable-targets", |
| dest="enable_targets", metavar="NAMES", |
| help=("Enable the given space or semi-colon separated " |
| "list of targets, or all targets if not present"), |
| action="store", default=None) |
| group.add_option("", "--enable-optional-components", |
| dest="optional_components", metavar="NAMES", |
| help=("Enable the given space or semi-colon separated " |
| "list of optional components"), |
| action="store", default="") |
| parser.add_option_group(group) |
| |
| (opts, args) = parser.parse_args() |
| |
| # Determine the LLVM source path, if not given. |
| source_root = opts.source_root |
| if source_root: |
| if not os.path.exists(os.path.join(source_root, 'lib', 'IR', |
| 'Function.cpp')): |
| parser.error('invalid LLVM source root: %r' % source_root) |
| else: |
| llvmbuild_path = os.path.dirname(__file__) |
| llvm_build_path = os.path.dirname(llvmbuild_path) |
| utils_path = os.path.dirname(llvm_build_path) |
| source_root = os.path.dirname(utils_path) |
| if not os.path.exists(os.path.join(source_root, 'lib', 'IR', |
| 'Function.cpp')): |
| parser.error('unable to infer LLVM source root, please specify') |
| |
| # Construct the LLVM project information. |
| llvmbuild_source_root = opts.llvmbuild_source_root or source_root |
| project_info = LLVMProjectInfo.load_from_path( |
| source_root, llvmbuild_source_root) |
| |
| # Add the magic target based components. |
| add_magic_target_components(parser, project_info, opts) |
| |
| # Validate the project component info. |
| project_info.validate_components() |
| |
| # Print the component tree, if requested. |
| if opts.print_tree: |
| project_info.print_tree() |
| |
| # Write out the components, if requested. This is useful for auto-upgrading |
| # the schema. |
| if opts.write_llvmbuild: |
| project_info.write_components(opts.write_llvmbuild) |
| |
| # Write out the required library table, if requested. |
| if opts.write_library_table: |
| project_info.write_library_table(opts.write_library_table, |
| opts.optional_components) |
| |
| # Write out the cmake fragment, if requested. |
| if opts.write_cmake_fragment: |
| project_info.write_cmake_fragment(opts.write_cmake_fragment, |
| opts.optional_components) |
| if opts.write_cmake_exports_fragment: |
| project_info.write_cmake_exports_fragment(opts.write_cmake_exports_fragment, |
| opts.optional_components) |
| |
| if __name__=='__main__': |
| main() |
