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")
group.add_option("", "--build-root", dest="build_root", metavar="PATH",
help="Path to the build directory (if needed) [%default]",
action="store", default=None)
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)
group.add_option("", "--write-make-fragment",
dest="write_make_fragment", metavar="PATH",
help="Write the Makefile project information to PATH",
action="store", default=None)
group.add_option("", "--configure-target-def-file",
dest="configure_target_def_files",
help="""Configure the given file at SUBPATH (relative to
the inferred or given source root, and with a '.in' suffix) by replacing certain
substitution variables with lists of targets that support certain features (for
example, targets with AsmPrinters) and write the result to the build root (as
given by --build-root) at the same SUBPATH""",
metavar="SUBPATH", action="append", 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 make fragment, if requested.
if opts.write_make_fragment:
project_info.write_make_fragment(opts.write_make_fragment)
# Write out the cmake fragment, if requested.
if opts.write_cmake_fragment:
project_info.write_cmake_fragment(opts.write_cmake_fragment)
if opts.write_cmake_exports_fragment:
project_info.write_cmake_exports_fragment(opts.write_cmake_exports_fragment)
# Configure target definition files, if requested.
if opts.configure_target_def_files:
# Verify we were given a build root.
if not opts.build_root:
parser.error("must specify --build-root when using "
"--configure-target-def-file")
# Create the substitution list.
available_targets = [ci for ci in project_info.component_infos
if ci.type_name == 'TargetGroup']
substitutions = [
("@LLVM_ENUM_TARGETS@",
' '.join('LLVM_TARGET(%s)' % ci.name
for ci in available_targets)),
("@LLVM_ENUM_ASM_PRINTERS@",
' '.join('LLVM_ASM_PRINTER(%s)' % ci.name
for ci in available_targets
if ci.has_asmprinter)),
("@LLVM_ENUM_ASM_PARSERS@",
' '.join('LLVM_ASM_PARSER(%s)' % ci.name
for ci in available_targets
if ci.has_asmparser)),
("@LLVM_ENUM_DISASSEMBLERS@",
' '.join('LLVM_DISASSEMBLER(%s)' % ci.name
for ci in available_targets
if ci.has_disassembler))]
# Configure the given files.
for subpath in opts.configure_target_def_files:
inpath = os.path.join(source_root, subpath + '.in')
outpath = os.path.join(opts.build_root, subpath)
result = configutil.configure_file(inpath, outpath, substitutions)
if not result:
note("configured file %r hasn't changed" % outpath)
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")
group.add_option("",
"--build-root",
dest="build_root",
metavar="PATH",
help="Path to the build directory (if needed) [%default]",
action="store",
default=None)
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)
group.add_option("",
"--write-make-fragment",
dest="write_make_fragment",
metavar="PATH",
help="Write the Makefile project information to PATH",
action="store",
default=None)
group.add_option("",
"--configure-target-def-file",
dest="configure_target_def_files",
help="""Configure the given file at SUBPATH (relative to
the inferred or given source root, and with a '.in' suffix) by replacing certain
substitution variables with lists of targets that support certain features (for
example, targets with AsmPrinters) and write the result to the build root (as
given by --build-root) at the same SUBPATH""",
metavar="SUBPATH",
action="append",
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 make fragment, if requested.
if opts.write_make_fragment:
project_info.write_make_fragment(opts.write_make_fragment,
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)
# Configure target definition files, if requested.
if opts.configure_target_def_files:
# Verify we were given a build root.
if not opts.build_root:
parser.error("must specify --build-root when using "
"--configure-target-def-file")
# Create the substitution list.
available_targets = [
ci for ci in project_info.component_infos
if ci.type_name == 'TargetGroup'
]
substitutions = [
("@LLVM_ENUM_TARGETS@", ' '.join('LLVM_TARGET(%s)' % ci.name
for ci in available_targets)),
("@LLVM_ENUM_ASM_PRINTERS@",
' '.join('LLVM_ASM_PRINTER(%s)' % ci.name
for ci in available_targets if ci.has_asmprinter)),
("@LLVM_ENUM_ASM_PARSERS@",
' '.join('LLVM_ASM_PARSER(%s)' % ci.name
for ci in available_targets if ci.has_asmparser)),
("@LLVM_ENUM_DISASSEMBLERS@",
' '.join('LLVM_DISASSEMBLER(%s)' % ci.name
for ci in available_targets if ci.has_disassembler))
]
# Configure the given files.
for subpath in opts.configure_target_def_files:
inpath = os.path.join(source_root, subpath + '.in')
outpath = os.path.join(opts.build_root, subpath)
result = configutil.configure_file(inpath, outpath, substitutions)
if not result:
note("configured file %r hasn't changed" % outpath)
