12 def cmake_quote_string(value):
14 cmake_quote_string(value) -> str
16 Return a quoted form of the given value that is suitable for use in CMake
20 # Currently, we only handle escaping backslashes.
21 value = value.replace("\\", "\\\\")
25 def cmake_quote_path(value):
27 cmake_quote_path(value) -> str
29 Return a quoted form of the given value that is suitable for use in CMake
33 # CMake has a bug in it's Makefile generator that doesn't properly quote
34 # strings it generates. So instead of using proper quoting, we just use "/"
35 # style paths. Currently, we only handle escaping backslashes.
36 value = value.replace("\\", "/")
40 def mk_quote_string_for_target(value):
42 mk_quote_string_for_target(target_name) -> str
44 Return a quoted form of the given target_name suitable for including in a
45 Makefile as a target name.
48 # The only quoting we currently perform is for ':', to support msys users.
49 return value.replace(":", "\\:")
51 def make_install_dir(path):
53 make_install_dir(path) -> None
55 Create the given directory path for installation, including any parents.
58 # os.makedirs considers it an error to be called with an existant path.
59 if not os.path.exists(path):
64 class LLVMProjectInfo(object):
66 def load_infos_from_path(llvmbuild_source_root):
68 # Load the LLVMBuild file.
69 llvmbuild_path = os.path.join(llvmbuild_source_root + subpath,
71 if not os.path.exists(llvmbuild_path):
72 fatal("missing LLVMBuild.txt file at: %r" % (llvmbuild_path,))
74 # Parse the components from it.
75 common,info_iter = componentinfo.load_from_path(llvmbuild_path,
77 for info in info_iter:
80 # Recurse into the specified subdirectories.
81 for subdir in common.get_list("subdirectories"):
82 for item in recurse(os.path.join(subpath, subdir)):
88 def load_from_path(source_root, llvmbuild_source_root):
90 LLVMProjectInfo.load_infos_from_path(llvmbuild_source_root))
92 return LLVMProjectInfo(source_root, infos)
94 def __init__(self, source_root, component_infos):
95 # Store our simple ivars.
96 self.source_root = source_root
97 self.component_infos = list(component_infos)
98 self.component_info_map = None
99 self.ordered_component_infos = None
101 def validate_components(self):
102 """validate_components() -> None
104 Validate that the project components are well-defined. Among other
105 things, this checks that:
106 - Components have valid references.
107 - Components references do not form cycles.
109 We also construct the map from component names to info, and the
110 topological ordering of components.
113 # Create the component info map and validate that component names are
115 self.component_info_map = {}
116 for ci in self.component_infos:
117 existing = self.component_info_map.get(ci.name)
118 if existing is not None:
119 # We found a duplicate component name, report it and error out.
120 fatal("found duplicate component %r (at %r and %r)" % (
121 ci.name, ci.subpath, existing.subpath))
122 self.component_info_map[ci.name] = ci
124 # Disallow 'all' as a component name, which is a special case.
125 if 'all' in self.component_info_map:
126 fatal("project is not allowed to define 'all' component")
128 # Add the root component.
129 if '$ROOT' in self.component_info_map:
130 fatal("project is not allowed to define $ROOT component")
131 self.component_info_map['$ROOT'] = componentinfo.GroupComponentInfo(
133 self.component_infos.append(self.component_info_map['$ROOT'])
135 # Topologically order the component information according to their
136 # component references.
137 def visit_component_info(ci, current_stack, current_set):
138 # Check for a cycles.
139 if ci in current_set:
140 # We found a cycle, report it and error out.
141 cycle_description = ' -> '.join(
142 '%r (%s)' % (ci.name, relation)
143 for relation,ci in current_stack)
144 fatal("found cycle to %r after following: %s -> %s" % (
145 ci.name, cycle_description, ci.name))
147 # If we have already visited this item, we are done.
148 if ci not in components_to_visit:
151 # Otherwise, mark the component info as visited and traverse.
152 components_to_visit.remove(ci)
154 # Validate the parent reference, which we treat specially.
155 if ci.parent is not None:
156 parent = self.component_info_map.get(ci.parent)
158 fatal("component %r has invalid reference %r (via %r)" % (
159 ci.name, ci.parent, 'parent'))
160 ci.set_parent_instance(parent)
162 for relation,referent_name in ci.get_component_references():
163 # Validate that the reference is ok.
164 referent = self.component_info_map.get(referent_name)
166 fatal("component %r has invalid reference %r (via %r)" % (
167 ci.name, referent_name, relation))
169 # Visit the reference.
170 current_stack.append((relation,ci))
172 visit_component_info(referent, current_stack, current_set)
173 current_set.remove(ci)
176 # Finally, add the component info to the ordered list.
177 self.ordered_component_infos.append(ci)
179 # FIXME: We aren't actually correctly checking for cycles along the
180 # parent edges. Haven't decided how I want to handle this -- I thought
181 # about only checking cycles by relation type. If we do that, it falls
182 # out easily. If we don't, we should special case the check.
184 self.ordered_component_infos = []
185 components_to_visit = set(self.component_infos)
186 while components_to_visit:
187 visit_component_info(iter(components_to_visit).next(), [], set())
189 # Canonicalize children lists.
190 for c in self.ordered_component_infos:
191 c.children.sort(key = lambda c: c.name)
193 def print_tree(self):
194 def visit(node, depth = 0):
195 print '%s%-40s (%s)' % (' '*depth, node.name, node.type_name)
196 for c in node.children:
198 visit(self.component_info_map['$ROOT'])
200 def write_components(self, output_path):
201 # Organize all the components by the directory their LLVMBuild file
204 for ci in self.component_infos:
205 # Ignore the $ROOT component.
206 if ci.parent is None:
209 info_basedir[ci.subpath] = info_basedir.get(ci.subpath, []) + [ci]
211 # Compute the list of subdirectories to scan.
213 for ci in self.component_infos:
214 # Ignore root components.
215 if ci.subpath == '/':
218 # Otherwise, append this subpath to the parent list.
219 parent_path = os.path.dirname(ci.subpath)
220 subpath_subdirs[parent_path] = parent_list = subpath_subdirs.get(
222 parent_list.add(os.path.basename(ci.subpath))
224 # Generate the build files.
225 for subpath, infos in info_basedir.items():
226 # Order the components by name to have a canonical ordering.
227 infos.sort(key = lambda ci: ci.name)
229 # Format the components into llvmbuild fragments.
232 # Add the common fragments.
233 subdirectories = subpath_subdirs.get(subpath)
237 """ % (" ".join(sorted(subdirectories)),)
238 fragments.append(("common", fragment))
240 # Add the component fragments.
241 num_common_fragments = len(fragments)
243 fragment = ci.get_llvmbuild_fragment()
247 name = "component_%d" % (len(fragments) - num_common_fragments)
248 fragments.append((name, fragment))
253 assert subpath.startswith('/')
254 directory_path = os.path.join(output_path, subpath[1:])
256 # Create the directory if it does not already exist.
257 if not os.path.exists(directory_path):
258 os.makedirs(directory_path)
260 # In an effort to preserve comments (which aren't parsed), read in
261 # the original file and extract the comments. We only know how to
262 # associate comments that prefix a section name.
263 f = open(infos[0]._source_path)
267 if ln.startswith(';'):
269 elif ln.startswith('[') and ln.endswith(']\n'):
270 comments_map[ln[1:-2]] = comment_block
275 # Create the LLVMBuild fil[e.
276 file_path = os.path.join(directory_path, 'LLVMBuild.txt')
277 f = open(file_path, "w")
280 header_fmt = ';===- %s %s-*- Conf -*--===;'
281 header_name = '.' + os.path.join(subpath, 'LLVMBuild.txt')
282 header_pad = '-' * (80 - len(header_fmt % (header_name, '')))
283 header_string = header_fmt % (header_name, header_pad)
287 ; The LLVM Compiler Infrastructure
289 ; This file is distributed under the University of Illinois Open Source
290 ; License. See LICENSE.TXT for details.
292 ;===------------------------------------------------------------------------===;
294 ; This is an LLVMBuild description file for the components in this subdirectory.
296 ; For more information on the LLVMBuild system, please see:
298 ; http://llvm.org/docs/LLVMBuild.html
300 ;===------------------------------------------------------------------------===;
303 # Write out each fragment.each component fragment.
304 for name,fragment in fragments:
305 comment = comments_map.get(name)
306 if comment is not None:
308 print >>f, "[%s]" % name
310 if fragment is not fragments[-1][1]:
315 def write_library_table(self, output_path, enabled_optional_components):
316 # Write out the mapping from component names to required libraries.
318 # We do this in topological order so that we know we can append the
319 # dependencies for added library groups.
321 for c in self.ordered_component_infos:
322 # Skip optional components which are not enabled
323 if c.type_name == 'OptionalLibrary' \
324 and c.name not in enabled_optional_components:
327 # Only certain components are in the table.
328 if c.type_name not in ('Library', 'OptionalLibrary', \
329 'LibraryGroup', 'TargetGroup'):
332 # Compute the llvm-config "component name". For historical reasons,
333 # this is lowercased based on the library name.
334 llvmconfig_component_name = c.get_llvmconfig_component_name()
336 # Get the library name, or None for LibraryGroups.
337 if c.type_name == 'Library' or c.type_name == 'OptionalLibrary':
338 library_name = c.get_prefixed_library_name()
342 # Get the component names of all the required libraries.
343 required_llvmconfig_component_names = [
344 self.component_info_map[dep].get_llvmconfig_component_name()
345 for dep in c.required_libraries]
347 # Insert the entries for library groups we should add to.
348 for dep in c.add_to_library_groups:
349 entries[dep][2].append(llvmconfig_component_name)
352 entries[c.name] = (llvmconfig_component_name, library_name,
353 required_llvmconfig_component_names)
355 # Convert to a list of entries and sort by name.
356 entries = entries.values()
358 # Create an 'all' pseudo component. We keep the dependency list small by
359 # only listing entries that have no other dependents.
360 root_entries = set(e[0] for e in entries)
361 for _,_,deps in entries:
362 root_entries -= set(deps)
363 entries.append(('all', None, root_entries))
367 # Compute the maximum number of required libraries, plus one so there is
369 max_required_libraries = max(len(deps)
370 for _,_,deps in entries) + 1
372 # Write out the library table.
373 make_install_dir(os.path.dirname(output_path))
374 f = open(output_path, 'w')
376 //===- llvm-build generated file --------------------------------*- C++ -*-===//
378 // Component Library Depenedency Table
380 // Automatically generated file, do not edit!
382 //===----------------------------------------------------------------------===//
384 print >>f, 'struct AvailableComponent {'
385 print >>f, ' /// The name of the component.'
386 print >>f, ' const char *Name;'
388 print >>f, ' /// The name of the library for this component (or NULL).'
389 print >>f, ' const char *Library;'
392 /// The list of libraries required when linking this component.'
393 print >>f, ' const char *RequiredLibraries[%d];' % (
394 max_required_libraries)
395 print >>f, '} AvailableComponents[%d] = {' % len(entries)
396 for name,library_name,required_names in entries:
397 if library_name is None:
398 library_name_as_cstr = '0'
400 library_name_as_cstr = '"lib%s.a"' % library_name
401 print >>f, ' { "%s", %s, { %s } },' % (
402 name, library_name_as_cstr,
403 ', '.join('"%s"' % dep
404 for dep in required_names))
408 def get_required_libraries_for_component(self, ci, traverse_groups = False):
410 get_required_libraries_for_component(component_info) -> iter
412 Given a Library component info descriptor, return an iterator over all
413 of the directly required libraries for linking with this component. If
414 traverse_groups is True, then library and target groups will be
415 traversed to include their required libraries.
418 assert ci.type_name in ('Library', 'LibraryGroup', 'TargetGroup')
420 for name in ci.required_libraries:
421 # Get the dependency info.
422 dep = self.component_info_map[name]
424 # If it is a library, yield it.
425 if dep.type_name == 'Library':
429 # Otherwise if it is a group, yield or traverse depending on what
431 if dep.type_name in ('LibraryGroup', 'TargetGroup'):
432 if not traverse_groups:
436 for res in self.get_required_libraries_for_component(dep, True):
439 def get_fragment_dependencies(self):
441 get_fragment_dependencies() -> iter
443 Compute the list of files (as absolute paths) on which the output
444 fragments depend (i.e., files for which a modification should trigger a
445 rebuild of the fragment).
448 # Construct a list of all the dependencies of the Makefile fragment
449 # itself. These include all the LLVMBuild files themselves, as well as
450 # all of our own sources.
452 # Many components may come from the same file, so we make sure to unique
455 for ci in self.component_infos:
456 p = os.path.join(self.source_root, ci.subpath[1:], 'LLVMBuild.txt')
457 if p not in build_paths:
461 # Gather the list of necessary sources by just finding all loaded
462 # modules that are inside the LLVM source tree.
463 for module in sys.modules.values():
464 # Find the module path.
465 if not hasattr(module, '__file__'):
467 path = getattr(module, '__file__')
471 # Strip off any compiled suffix.
472 if os.path.splitext(path)[1] in ['.pyc', '.pyo', '.pyd']:
475 # If the path exists and is in the source tree, consider it a
477 if (path.startswith(self.source_root) and os.path.exists(path)):
480 def write_cmake_fragment(self, output_path):
482 write_cmake_fragment(output_path) -> None
484 Generate a CMake fragment which includes all of the collated LLVMBuild
485 information in a format that is easily digestible by a CMake. The exact
486 contents of this are closely tied to how the CMake configuration
487 integrates LLVMBuild, see CMakeLists.txt in the top-level.
490 dependencies = list(self.get_fragment_dependencies())
492 # Write out the CMake fragment.
493 make_install_dir(os.path.dirname(output_path))
494 f = open(output_path, 'w')
498 #===-- %s - LLVMBuild Configuration for LLVM %s-*- CMake -*--===#'
499 header_name = os.path.basename(output_path)
500 header_pad = '-' * (80 - len(header_fmt % (header_name, '')))
501 header_string = header_fmt % (header_name, header_pad)
505 # The LLVM Compiler Infrastructure
507 # This file is distributed under the University of Illinois Open Source
508 # License. See LICENSE.TXT for details.
510 #===------------------------------------------------------------------------===#
512 # This file contains the LLVMBuild project information in a format easily
513 # consumed by the CMake based build system.
515 # This file is autogenerated by llvm-build, do not edit!
517 #===------------------------------------------------------------------------===#
520 # Write the dependency information in the best way we can.
522 # LLVMBuild CMake fragment dependencies.
524 # CMake has no builtin way to declare that the configuration depends on
525 # a particular file. However, a side effect of configure_file is to add
526 # said input file to CMake's internal dependency list. So, we use that
527 # and a dummy output file to communicate the dependency information to
530 # FIXME: File a CMake RFE to get a properly supported version of this
532 for dep in dependencies:
534 configure_file(\"%s\"
535 ${CMAKE_CURRENT_BINARY_DIR}/DummyConfigureOutput)""" % (
536 cmake_quote_path(dep),)
538 # Write the properties we use to encode the required library dependency
539 # information in a form CMake can easily use directly.
541 # Explicit library dependency information.
543 # The following property assignments effectively create a map from component
544 # names to required libraries, in a way that is easily accessed from CMake."""
545 for ci in self.ordered_component_infos:
546 # We only write the information for libraries currently.
547 if ci.type_name != 'Library':
551 set_property(GLOBAL PROPERTY LLVMBUILD_LIB_DEPS_%s %s)""" % (
552 ci.get_prefixed_library_name(), " ".join(sorted(
553 dep.get_prefixed_library_name()
554 for dep in self.get_required_libraries_for_component(ci))))
558 def write_make_fragment(self, output_path):
560 write_make_fragment(output_path) -> None
562 Generate a Makefile fragment which includes all of the collated
563 LLVMBuild information in a format that is easily digestible by a
564 Makefile. The exact contents of this are closely tied to how the LLVM
565 Makefiles integrate LLVMBuild, see Makefile.rules in the top-level.
568 dependencies = list(self.get_fragment_dependencies())
570 # Write out the Makefile fragment.
571 make_install_dir(os.path.dirname(output_path))
572 f = open(output_path, 'w')
576 #===-- %s - LLVMBuild Configuration for LLVM %s-*- Makefile -*--===#'
577 header_name = os.path.basename(output_path)
578 header_pad = '-' * (80 - len(header_fmt % (header_name, '')))
579 header_string = header_fmt % (header_name, header_pad)
583 # The LLVM Compiler Infrastructure
585 # This file is distributed under the University of Illinois Open Source
586 # License. See LICENSE.TXT for details.
588 #===------------------------------------------------------------------------===#
590 # This file contains the LLVMBuild project information in a format easily
591 # consumed by the Makefile based build system.
593 # This file is autogenerated by llvm-build, do not edit!
595 #===------------------------------------------------------------------------===#
598 # Write the dependencies for the fragment.
600 # FIXME: Technically, we need to properly quote for Make here.
602 # Clients must explicitly enable LLVMBUILD_INCLUDE_DEPENDENCIES to get
603 # these dependencies. This is a compromise to help improve the
604 # performance of recursive Make systems."""
605 print >>f, 'ifeq ($(LLVMBUILD_INCLUDE_DEPENDENCIES),1)'
606 print >>f, "# The dependencies for this Makefile fragment itself."
607 print >>f, "%s: \\" % (mk_quote_string_for_target(output_path),)
608 for dep in dependencies:
609 print >>f, "\t%s \\" % (dep,)
612 # Generate dummy rules for each of the dependencies, so that things
613 # continue to work correctly if any of those files are moved or removed.
615 # The dummy targets to allow proper regeneration even when files are moved or
617 for dep in dependencies:
618 print >>f, "%s:" % (mk_quote_string_for_target(dep),)
623 def add_magic_target_components(parser, project, opts):
624 """add_magic_target_components(project, opts) -> None
626 Add the "magic" target based components to the project, which can only be
627 determined based on the target configuration options.
629 This currently is responsible for populating the required_libraries list of
630 the "all-targets", "Native", "NativeCodeGen", and "Engine" components.
633 # Determine the available targets.
634 available_targets = dict((ci.name,ci)
635 for ci in project.component_infos
636 if ci.type_name == 'TargetGroup')
638 # Find the configured native target.
640 # We handle a few special cases of target names here for historical
641 # reasons, as these are the names configure currently comes up with.
642 native_target_name = { 'x86' : 'X86',
644 'Unknown' : None }.get(opts.native_target,
646 if native_target_name is None:
649 native_target = available_targets.get(native_target_name)
650 if native_target is None:
651 parser.error("invalid native target: %r (not in project)" % (
652 opts.native_target,))
653 if native_target.type_name != 'TargetGroup':
654 parser.error("invalid native target: %r (not a target)" % (
655 opts.native_target,))
657 # Find the list of targets to enable.
658 if opts.enable_targets is None:
659 enable_targets = available_targets.values()
661 # We support both space separated and semi-colon separated lists.
662 if ' ' in opts.enable_targets:
663 enable_target_names = opts.enable_targets.split()
665 enable_target_names = opts.enable_targets.split(';')
668 for name in enable_target_names:
669 target = available_targets.get(name)
671 parser.error("invalid target to enable: %r (not in project)" % (
673 if target.type_name != 'TargetGroup':
674 parser.error("invalid target to enable: %r (not a target)" % (
676 enable_targets.append(target)
678 # Find the special library groups we are going to populate. We enforce that
679 # these appear in the project (instead of just adding them) so that they at
680 # least have an explicit representation in the project LLVMBuild files (and
681 # comments explaining how they are populated).
682 def find_special_group(name):
683 info = info_map.get(name)
685 fatal("expected project to contain special %r component" % (
688 if info.type_name != 'LibraryGroup':
689 fatal("special component %r should be a LibraryGroup" % (
692 if info.required_libraries:
693 fatal("special component %r must have empty %r list" % (
694 name, 'required_libraries'))
695 if info.add_to_library_groups:
696 fatal("special component %r must have empty %r list" % (
697 name, 'add_to_library_groups'))
699 info._is_special_group = True
702 info_map = dict((ci.name, ci) for ci in project.component_infos)
703 all_targets = find_special_group('all-targets')
704 native_group = find_special_group('Native')
705 native_codegen_group = find_special_group('NativeCodeGen')
706 engine_group = find_special_group('Engine')
708 # Set the enabled bit in all the target groups, and append to the
710 for ci in enable_targets:
711 all_targets.required_libraries.append(ci.name)
714 # If we have a native target, then that defines the native and
715 # native_codegen libraries.
716 if native_target and native_target.enabled:
717 native_group.required_libraries.append(native_target.name)
718 native_codegen_group.required_libraries.append(
719 '%sCodeGen' % native_target.name)
721 # If we have a native target with a JIT, use that for the engine. Otherwise,
722 # use the interpreter.
723 if native_target and native_target.enabled and native_target.has_jit:
724 engine_group.required_libraries.append('JIT')
725 engine_group.required_libraries.append(native_group.name)
727 engine_group.required_libraries.append('Interpreter')
730 from optparse import OptionParser, OptionGroup
731 parser = OptionParser("usage: %prog [options]")
733 group = OptionGroup(parser, "Input Options")
734 group.add_option("", "--source-root", dest="source_root", metavar="PATH",
735 help="Path to the LLVM source (inferred if not given)",
736 action="store", default=None)
737 group.add_option("", "--llvmbuild-source-root",
738 dest="llvmbuild_source_root",
740 "If given, an alternate path to search for LLVMBuild.txt files"),
741 action="store", default=None, metavar="PATH")
742 group.add_option("", "--build-root", dest="build_root", metavar="PATH",
743 help="Path to the build directory (if needed) [%default]",
744 action="store", default=None)
745 parser.add_option_group(group)
747 group = OptionGroup(parser, "Output Options")
748 group.add_option("", "--print-tree", dest="print_tree",
749 help="Print out the project component tree [%default]",
750 action="store_true", default=False)
751 group.add_option("", "--write-llvmbuild", dest="write_llvmbuild",
752 help="Write out the LLVMBuild.txt files to PATH",
753 action="store", default=None, metavar="PATH")
754 group.add_option("", "--write-library-table",
755 dest="write_library_table", metavar="PATH",
756 help="Write the C++ library dependency table to PATH",
757 action="store", default=None)
758 group.add_option("", "--write-cmake-fragment",
759 dest="write_cmake_fragment", metavar="PATH",
760 help="Write the CMake project information to PATH",
761 action="store", default=None)
762 group.add_option("", "--write-make-fragment",
763 dest="write_make_fragment", metavar="PATH",
764 help="Write the Makefile project information to PATH",
765 action="store", default=None)
766 group.add_option("", "--configure-target-def-file",
767 dest="configure_target_def_files",
768 help="""Configure the given file at SUBPATH (relative to
769 the inferred or given source root, and with a '.in' suffix) by replacing certain
770 substitution variables with lists of targets that support certain features (for
771 example, targets with AsmPrinters) and write the result to the build root (as
772 given by --build-root) at the same SUBPATH""",
773 metavar="SUBPATH", action="append", default=None)
774 parser.add_option_group(group)
776 group = OptionGroup(parser, "Configuration Options")
777 group.add_option("", "--native-target",
778 dest="native_target", metavar="NAME",
779 help=("Treat the named target as the 'native' one, if "
781 action="store", default=None)
782 group.add_option("", "--enable-targets",
783 dest="enable_targets", metavar="NAMES",
784 help=("Enable the given space or semi-colon separated "
785 "list of targets, or all targets if not present"),
786 action="store", default=None)
787 group.add_option("", "--enable-optional-components",
788 dest="optional_components", metavar="NAMES",
789 help=("Enable the given space or semi-colon separated "
790 "list of optional components"),
791 action="store", default=None)
792 parser.add_option_group(group)
794 (opts, args) = parser.parse_args()
796 # Determine the LLVM source path, if not given.
797 source_root = opts.source_root
799 if not os.path.exists(os.path.join(source_root, 'lib', 'VMCore',
801 parser.error('invalid LLVM source root: %r' % source_root)
803 llvmbuild_path = os.path.dirname(__file__)
804 llvm_build_path = os.path.dirname(llvmbuild_path)
805 utils_path = os.path.dirname(llvm_build_path)
806 source_root = os.path.dirname(utils_path)
807 if not os.path.exists(os.path.join(source_root, 'lib', 'VMCore',
809 parser.error('unable to infer LLVM source root, please specify')
811 # Construct the LLVM project information.
812 llvmbuild_source_root = opts.llvmbuild_source_root or source_root
813 project_info = LLVMProjectInfo.load_from_path(
814 source_root, llvmbuild_source_root)
816 # Add the magic target based components.
817 add_magic_target_components(parser, project_info, opts)
819 # Validate the project component info.
820 project_info.validate_components()
822 # Print the component tree, if requested.
824 project_info.print_tree()
826 # Write out the components, if requested. This is useful for auto-upgrading
828 if opts.write_llvmbuild:
829 project_info.write_components(opts.write_llvmbuild)
831 # Write out the required library table, if requested.
832 if opts.write_library_table:
833 project_info.write_library_table(opts.write_library_table,
834 opts.optional_components)
836 # Write out the make fragment, if requested.
837 if opts.write_make_fragment:
838 project_info.write_make_fragment(opts.write_make_fragment)
840 # Write out the cmake fragment, if requested.
841 if opts.write_cmake_fragment:
842 project_info.write_cmake_fragment(opts.write_cmake_fragment)
844 # Configure target definition files, if requested.
845 if opts.configure_target_def_files:
846 # Verify we were given a build root.
847 if not opts.build_root:
848 parser.error("must specify --build-root when using "
849 "--configure-target-def-file")
851 # Create the substitution list.
852 available_targets = [ci for ci in project_info.component_infos
853 if ci.type_name == 'TargetGroup']
855 ("@LLVM_ENUM_TARGETS@",
856 ' '.join('LLVM_TARGET(%s)' % ci.name
857 for ci in available_targets)),
858 ("@LLVM_ENUM_ASM_PRINTERS@",
859 ' '.join('LLVM_ASM_PRINTER(%s)' % ci.name
860 for ci in available_targets
861 if ci.has_asmprinter)),
862 ("@LLVM_ENUM_ASM_PARSERS@",
863 ' '.join('LLVM_ASM_PARSER(%s)' % ci.name
864 for ci in available_targets
865 if ci.has_asmparser)),
866 ("@LLVM_ENUM_DISASSEMBLERS@",
867 ' '.join('LLVM_DISASSEMBLER(%s)' % ci.name
868 for ci in available_targets
869 if ci.has_disassembler))]
871 # Configure the given files.
872 for subpath in opts.configure_target_def_files:
873 inpath = os.path.join(source_root, subpath + '.in')
874 outpath = os.path.join(opts.build_root, subpath)
875 result = configutil.configure_file(inpath, outpath, substitutions)
877 note("configured file %r hasn't changed" % outpath)
879 if __name__=='__main__':