forked from OSchip/llvm-project
442 lines
12 KiB
Python
Executable File
442 lines
12 KiB
Python
Executable File
#!/usr/bin/env python
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import errno
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import hashlib
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import fnmatch
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import os
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import platform
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import re
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import subprocess
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import sys
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from lldbbuild import *
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#### SETTINGS ####
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def LLVM_HASH_INCLUDES_DIFFS():
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return False
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# The use of "x = "..."; return x" here is important because tooling looks for
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# it with regexps. Only change how this works if you know what you are doing.
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def LLVM_REF():
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llvm_ref = "master"
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return llvm_ref
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def CLANG_REF():
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clang_ref = "master"
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return clang_ref
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# For use with Xcode-style builds
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def XCODE_REPOSITORIES():
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return [
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{'name': "llvm",
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'vcs': VCS.git,
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'root': llvm_source_path(),
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'url': "http://llvm.org/git/llvm.git",
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'ref': LLVM_REF()},
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{'name': "clang",
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'vcs': VCS.git,
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'root': clang_source_path(),
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'url': "http://llvm.org/git/clang.git",
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'ref': CLANG_REF()},
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{'name': "ninja",
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'vcs': VCS.git,
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'root': ninja_source_path(),
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'url': "https://github.com/ninja-build/ninja.git",
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'ref': "master"}
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]
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def get_c_compiler():
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return subprocess.check_output([
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'xcrun',
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'--sdk', 'macosx',
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'-find', 'clang'
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]).rstrip()
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def get_cxx_compiler():
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return subprocess.check_output([
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'xcrun',
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'--sdk', 'macosx',
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'-find', 'clang++'
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]).rstrip()
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# CFLAGS="-isysroot $(xcrun --sdk macosx --show-sdk-path) -mmacosx-version-min=${DARWIN_DEPLOYMENT_VERSION_OSX}" \
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# LDFLAGS="-mmacosx-version-min=${DARWIN_DEPLOYMENT_VERSION_OSX}" \
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def get_deployment_target():
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return os.environ.get('MACOSX_DEPLOYMENT_TARGET', None)
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def get_c_flags():
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cflags = ''
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# sdk_path = subprocess.check_output([
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# 'xcrun',
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# '--sdk', 'macosx',
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# '--show-sdk-path']).rstrip()
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# cflags += '-isysroot {}'.format(sdk_path)
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deployment_target = get_deployment_target()
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if deployment_target:
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# cflags += ' -mmacosx-version-min={}'.format(deployment_target)
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pass
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return cflags
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def get_cxx_flags():
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return get_c_flags()
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def get_common_linker_flags():
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linker_flags = ""
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deployment_target = get_deployment_target()
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if deployment_target:
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# if len(linker_flags) > 0:
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# linker_flags += ' '
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# linker_flags += '-mmacosx-version-min={}'.format(deployment_target)
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pass
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return linker_flags
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def get_exe_linker_flags():
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return get_common_linker_flags()
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def get_shared_linker_flags():
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return get_common_linker_flags()
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def CMAKE_FLAGS():
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return {
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"Debug": [
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"-DCMAKE_BUILD_TYPE=RelWithDebInfo",
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"-DLLVM_ENABLE_ASSERTIONS=ON",
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],
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"DebugClang": [
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"-DCMAKE_BUILD_TYPE=Debug",
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"-DLLVM_ENABLE_ASSERTIONS=ON",
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],
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"Release": [
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"-DCMAKE_BUILD_TYPE=Release",
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"-DLLVM_ENABLE_ASSERTIONS=ON",
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],
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"BuildAndIntegration": [
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"-DCMAKE_BUILD_TYPE=Release",
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"-DLLVM_ENABLE_ASSERTIONS=OFF",
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],
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}
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def CMAKE_ENVIRONMENT():
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return {
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}
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#### COLLECTING ALL ARCHIVES ####
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def collect_archives_in_path(path):
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files = os.listdir(path)
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# Only use libclang and libLLVM archives, and exclude libclang_rt
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regexp = "^lib(clang[^_]|LLVM|gtest).*$"
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return [
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os.path.join(
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path,
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file) for file in files if file.endswith(".a") and re.match(
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regexp,
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file)]
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def archive_list():
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paths = library_paths()
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archive_lists = [collect_archives_in_path(path) for path in paths]
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return [archive for archive_list in archive_lists for archive in archive_list]
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def write_archives_txt():
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f = open(archives_txt(), 'w')
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for archive in archive_list():
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f.write(archive + "\n")
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f.close()
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#### COLLECTING REPOSITORY MD5S ####
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def source_control_status(spec):
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vcs_for_spec = vcs(spec)
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if LLVM_HASH_INCLUDES_DIFFS():
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return vcs_for_spec.status() + vcs_for_spec.diff()
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else:
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return vcs_for_spec.status()
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def source_control_status_for_specs(specs):
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statuses = [source_control_status(spec) for spec in specs]
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return "".join(statuses)
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def all_source_control_status():
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return source_control_status_for_specs(XCODE_REPOSITORIES())
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def md5(string):
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m = hashlib.md5()
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m.update(string)
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return m.hexdigest()
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def all_source_control_status_md5():
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return md5(all_source_control_status())
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#### CHECKING OUT AND BUILDING LLVM ####
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def apply_patches(spec):
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files = os.listdir(os.path.join(lldb_source_path(), 'scripts'))
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patches = [
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f for f in files if fnmatch.fnmatch(
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f, spec['name'] + '.*.diff')]
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for p in patches:
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run_in_directory(["patch",
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"-p0",
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"-i",
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os.path.join(lldb_source_path(),
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'scripts',
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p)],
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spec['root'])
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def check_out_if_needed(spec):
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if not os.path.isdir(spec['root']):
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vcs(spec).check_out()
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apply_patches(spec)
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def all_check_out_if_needed():
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map(check_out_if_needed, XCODE_REPOSITORIES())
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def should_build_llvm():
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if build_type() == BuildType.Xcode:
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# TODO use md5 sums
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return True
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def do_symlink(source_path, link_path):
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print "Symlinking " + source_path + " to " + link_path
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if not os.path.exists(link_path):
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os.symlink(source_path, link_path)
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def setup_source_symlink(repo):
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source_path = repo["root"]
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link_path = os.path.join(lldb_source_path(), os.path.basename(source_path))
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do_symlink(source_path, link_path)
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def setup_source_symlinks():
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map(setup_source_symlink, XCODE_REPOSITORIES())
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def setup_build_symlink():
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# We don't use the build symlinks in llvm.org Xcode-based builds.
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if build_type() != BuildType.Xcode:
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source_path = package_build_path()
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link_path = expected_package_build_path()
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do_symlink(source_path, link_path)
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def should_run_cmake(cmake_build_dir):
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# We need to run cmake if our llvm build directory doesn't yet exist.
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if not os.path.exists(cmake_build_dir):
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return True
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# Wee also need to run cmake if for some reason we don't have a ninja
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# build file. (Perhaps the cmake invocation failed, which this current
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# build may have fixed).
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ninja_path = os.path.join(cmake_build_dir, "build.ninja")
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return not os.path.exists(ninja_path)
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def cmake_environment():
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cmake_env = join_dicts(os.environ, CMAKE_ENVIRONMENT())
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return cmake_env
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def is_executable(path):
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return os.path.isfile(path) and os.access(path, os.X_OK)
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def find_executable_in_paths(program, paths_to_check):
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program_dir, program_name = os.path.split(program)
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if program_dir:
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if is_executable(program):
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return program
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else:
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for path_dir in paths_to_check:
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path_dir = path_dir.strip('"')
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executable_file = os.path.join(path_dir, program)
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if is_executable(executable_file):
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return executable_file
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return None
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def find_cmake():
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# First check the system PATH env var for cmake
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cmake_binary = find_executable_in_paths(
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"cmake", os.environ["PATH"].split(os.pathsep))
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if cmake_binary:
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# We found it there, use it.
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return cmake_binary
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# Check a few more common spots. Xcode launched from Finder
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# will have the default environment, and may not have
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# all the normal places present.
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extra_cmake_dirs = [
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"/usr/local/bin",
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"/opt/local/bin",
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os.path.join(os.path.expanduser("~"), "bin")
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]
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if platform.system() == "Darwin":
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# Add locations where an official CMake.app package may be installed.
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extra_cmake_dirs.extend([
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os.path.join(
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os.path.expanduser("~"),
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"Applications",
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"CMake.app",
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"Contents",
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"bin"),
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os.path.join(
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os.sep,
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"Applications",
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"CMake.app",
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"Contents",
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"bin")])
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cmake_binary = find_executable_in_paths("cmake", extra_cmake_dirs)
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if cmake_binary:
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# We found it in one of the usual places. Use that.
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return cmake_binary
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# We couldn't find cmake. Tell the user what to do.
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raise Exception(
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"could not find cmake in PATH ({}) or in any of these locations ({}), "
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"please install cmake or add a link to it in one of those locations".format(
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os.environ["PATH"], extra_cmake_dirs))
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def cmake_flags():
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cmake_flags = CMAKE_FLAGS()[lldb_configuration()]
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cmake_flags += ["-GNinja",
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"-DCMAKE_C_COMPILER={}".format(get_c_compiler()),
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"-DCMAKE_CXX_COMPILER={}".format(get_cxx_compiler()),
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"-DCMAKE_INSTALL_PREFIX={}".format(expected_package_build_path_for("llvm")),
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"-DCMAKE_C_FLAGS={}".format(get_c_flags()),
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"-DCMAKE_CXX_FLAGS={}".format(get_cxx_flags()),
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"-DCMAKE_EXE_LINKER_FLAGS={}".format(get_exe_linker_flags()),
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"-DCMAKE_SHARED_LINKER_FLAGS={}".format(get_shared_linker_flags())]
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deployment_target = get_deployment_target()
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if deployment_target:
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cmake_flags.append(
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"-DCMAKE_OSX_DEPLOYMENT_TARGET={}".format(deployment_target))
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return cmake_flags
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def run_cmake(cmake_build_dir, ninja_binary_path):
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cmake_binary = find_cmake()
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print "found cmake binary: using \"{}\"".format(cmake_binary)
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command_line = [cmake_binary] + cmake_flags() + [
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"-DCMAKE_MAKE_PROGRAM={}".format(ninja_binary_path),
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llvm_source_path()]
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print "running cmake like so: ({}) in dir ({})".format(command_line, cmake_build_dir)
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subprocess.check_call(
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command_line,
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cwd=cmake_build_dir,
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env=cmake_environment())
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def create_directories_as_needed(path):
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try:
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os.makedirs(path)
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except OSError as error:
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# An error indicating that the directory exists already is fine.
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# Anything else should be passed along.
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if error.errno != errno.EEXIST:
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raise error
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def run_cmake_if_needed(ninja_binary_path):
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cmake_build_dir = package_build_path()
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if should_run_cmake(cmake_build_dir):
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# Create the build directory as needed
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create_directories_as_needed(cmake_build_dir)
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run_cmake(cmake_build_dir, ninja_binary_path)
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def build_ninja_if_needed():
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# First check if ninja is in our path. If so, there's nothing to do.
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ninja_binary_path = find_executable_in_paths(
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"ninja", os.environ["PATH"].split(os.pathsep))
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if ninja_binary_path:
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# It's on the path. cmake will find it. We're good.
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print "found ninja here: \"{}\"".format(ninja_binary_path)
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return ninja_binary_path
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# Figure out if we need to build it.
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ninja_build_dir = ninja_source_path()
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ninja_binary_path = os.path.join(ninja_build_dir, "ninja")
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if not is_executable(ninja_binary_path):
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# Build ninja
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command_line = ["python", "configure.py", "--bootstrap"]
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print "building ninja like so: ({}) in dir ({})".format(command_line, ninja_build_dir)
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subprocess.check_call(
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command_line,
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cwd=ninja_build_dir,
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env=os.environ)
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return ninja_binary_path
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def join_dicts(dict1, dict2):
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d = dict1.copy()
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d.update(dict2)
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return d
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def build_llvm(ninja_binary_path):
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cmake_build_dir = package_build_path()
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subprocess.check_call(
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[ninja_binary_path],
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cwd=cmake_build_dir,
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env=cmake_environment())
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def build_llvm_if_needed():
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if should_build_llvm():
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ninja_binary_path = build_ninja_if_needed()
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run_cmake_if_needed(ninja_binary_path)
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build_llvm(ninja_binary_path)
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setup_build_symlink()
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#### MAIN LOGIC ####
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all_check_out_if_needed()
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build_llvm_if_needed()
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write_archives_txt()
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sys.exit(0)
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