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llvm/utils/llvm-compilers-check
David Greene 581d5d5df8 Remove bogus configure check 
Configure creates makefiles, so it doesn't make sense to check for
them to see if we can configure.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211301 91177308-0d34-0410-b5e6-96231b3b80d8
2014-06-19 19:31:11 +00:00

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#!/usr/bin/python3
##===- utils/llvmbuild - Build the LLVM project ----------------*-python-*-===##
#
# The LLVM Compiler Infrastructure
#
# This file is distributed under the University of Illinois Open Source
# License. See LICENSE.TXT for details.
#
##===----------------------------------------------------------------------===##
#
# This script builds many different flavors of the LLVM ecosystem. It
# will build LLVM, Clang and dragonegg as well as run tests on them.
# This script is convenient to use to check builds and tests before
# committing changes to the upstream repository
#
# A typical source setup uses three trees and looks like this:
#
# official
# dragonegg
# llvm
# tools
# clang
# staging
# dragonegg
# llvm
# tools
# clang
# commit
# dragonegg
# llvm
# tools
# clang
#
# In a typical workflow, the "official" tree always contains unchanged
# sources from the main LLVM project repositories. The "staging" tree
# is where local work is done. A set of changes resides there waiting
# to be moved upstream. The "commit" tree is where changes from
# "staging" make their way upstream. Individual incremental changes
# from "staging" are applied to "commit" and committed upstream after
# a successful build and test run. A successful build is one in which
# testing results in no more failures than seen in the testing of the
# "official" tree.
#
# A build may be invoked as such:
#
# llvmbuild --src=~/llvm/commit --src=~/llvm/staging --src=~/llvm/official
# --build=debug --build=release --build=paranoid
# --prefix=/home/greened/install --builddir=/home/greened/build
#
# This will build the LLVM ecosystem, including LLVM, Clangand
# dragonegg, putting build results in ~/build and installing tools in
# ~/install. llvm-compilers-check creates separate build and install
# directories for each source/build flavor. In the above example,
# llvmbuild will build debug, release and paranoid (debug+checks)
# flavors from each source tree (official, staging and commit) for a
# total of nine builds. All builds will be run in parallel.
#
# The user may control parallelism via the --jobs and --threads
# switches. --jobs tells llvm-compilers-checl the maximum total
# number of builds to activate in parallel. The user may think of it
# as equivalent to the GNU make -j switch. --threads tells
# llvm-compilers-check how many worker threads to use to accomplish
# those builds. If --threads is less than --jobs, --threads workers
# will be launched and each one will pick a source/flavor combination
# to build. Then llvm-compilers-check will invoke GNU make with -j
# (--jobs / --threads) to use up the remaining job capacity. Once a
# worker is finished with a build, it will pick another combination
# off the list and start building it.
#
##===----------------------------------------------------------------------===##
import optparse
import os
import sys
import threading
import queue
import logging
import traceback
import subprocess
import re
# TODO: Use shutil.which when it is available (3.2 or later)
def find_executable(executable, path=None):
"""Try to find 'executable' in the directories listed in 'path' (a
string listing directories separated by 'os.pathsep'; defaults to
os.environ['PATH']). Returns the complete filename or None if not
found
"""
if path is None:
path = os.environ['PATH']
paths = path.split(os.pathsep)
extlist = ['']
if os.name == 'os2':
(base, ext) = os.path.splitext(executable)
# executable files on OS/2 can have an arbitrary extension, but
# .exe is automatically appended if no dot is present in the name
if not ext:
executable = executable + ".exe"
elif sys.platform == 'win32':
pathext = os.environ['PATHEXT'].lower().split(os.pathsep)
(base, ext) = os.path.splitext(executable)
if ext.lower() not in pathext:
extlist = pathext
for ext in extlist:
execname = executable + ext
if os.path.isfile(execname):
return execname
else:
for p in paths:
f = os.path.join(p, execname)
if os.path.isfile(f):
return f
else:
return None
def is_executable(fpath):
return os.path.exists(fpath) and os.access(fpath, os.X_OK)
def add_options(parser):
parser.add_option("-v", "--verbose", action="store_true",
default=False,
help=("Output informational messages"
" [default: %default]"))
parser.add_option("--src", action="append",
help=("Top-level source directory [default: %default]"))
parser.add_option("--build", action="append",
help=("Build types to run [default: %default]"))
parser.add_option("--cc", default=find_executable("cc"),
help=("The C compiler to use [default: %default]"))
parser.add_option("--cxx", default=find_executable("c++"),
help=("The C++ compiler to use [default: %default]"))
parser.add_option("--threads", default=4, type="int",
help=("The number of worker threads to use "
"[default: %default]"))
parser.add_option("--jobs", "-j", default=8, type="int",
help=("The number of simultaneous build jobs "
"[default: %default]"))
parser.add_option("--prefix",
help=("Root install directory [default: %default]"))
parser.add_option("--builddir",
help=("Root build directory [default: %default]"))
parser.add_option("--extra-llvm-config-flags", default="",
help=("Extra flags to pass to llvm configure [default: %default]"))
parser.add_option("--force-configure", default=False, action="store_true",
help=("Force reconfigure of all components"))
parser.add_option("--no-dragonegg", default=False, action="store_true",
help=("Do not build dragonegg"))
parser.add_option("--no-install", default=False, action="store_true",
help=("Do not do installs"))
parser.add_option("--keep-going", default=False, action="store_true",
help=("Keep going after failures"))
parser.add_option("--no-flavor-prefix", default=False, action="store_true",
help=("Do not append the build flavor to the install path"))
parser.add_option("--enable-werror", default=False, action="store_true",
help=("Build with -Werror"))
return
def check_options(parser, options, valid_builds):
# See if we're building valid flavors.
for build in options.build:
if (build not in valid_builds):
parser.error("'" + build + "' is not a valid build flavor "
+ str(valid_builds))
# See if we can find source directories.
for src in options.src:
for component in components:
component = component.rstrip("2")
compsrc = src + "/" + component
if (not os.path.isdir(compsrc)):
parser.error("'" + compsrc + "' does not exist")
# See if we can find the compilers
options.cc = find_executable(options.cc)
options.cxx = find_executable(options.cxx)
return
# Find a unique short name for the given set of paths. This searches
# back through path components until it finds unique component names
# among all given paths.
def get_path_abbrevs(paths):
# Find the number of common starting characters in the last component
# of the paths.
unique_paths = list(paths)
class NotFoundException(Exception): pass
# Find a unique component of each path.
unique_bases = unique_paths[:]
found = 0
while len(unique_paths) > 0:
bases = [os.path.basename(src) for src in unique_paths]
components = { c for c in bases }
# Account for single entry in paths.
if len(components) > 1 or len(components) == len(bases):
# We found something unique.
for c in components:
if bases.count(c) == 1:
index = bases.index(c)
unique_bases[index] = c
# Remove the corresponding path from the set under
# consideration.
unique_paths[index] = None
unique_paths = [ p for p in unique_paths if p is not None ]
unique_paths = [os.path.dirname(src) for src in unique_paths]
if len(unique_paths) > 0:
raise NotFoundException()
abbrevs = dict(zip(paths, [base for base in unique_bases]))
return abbrevs
# Given a set of unique names, find a short character sequence that
# uniquely identifies them.
def get_short_abbrevs(unique_bases):
# Find a unique start character for each path base.
my_unique_bases = unique_bases[:]
unique_char_starts = unique_bases[:]
while len(my_unique_bases) > 0:
for start, char_tuple in enumerate(zip(*[base
for base in my_unique_bases])):
chars = { c for c in char_tuple }
# Account for single path.
if len(chars) > 1 or len(chars) == len(char_tuple):
# We found something unique.
for c in chars:
if char_tuple.count(c) == 1:
index = char_tuple.index(c)
unique_char_starts[index] = start
# Remove the corresponding path from the set under
# consideration.
my_unique_bases[index] = None
my_unique_bases = [ b for b in my_unique_bases
if b is not None ]
break
if len(my_unique_bases) > 0:
raise NotFoundException()
abbrevs = [abbrev[start_index:start_index+3]
for abbrev, start_index
in zip([base for base in unique_bases],
[index for index in unique_char_starts])]
abbrevs = dict(zip(unique_bases, abbrevs))
return abbrevs
class Builder(threading.Thread):
class ExecutableNotFound(Exception): pass
class FileNotExecutable(Exception): pass
def __init__(self, work_queue, jobs,
build_abbrev, source_abbrev,
options):
super().__init__()
self.work_queue = work_queue
self.jobs = jobs
self.cc = options.cc
self.cxx = options.cxx
self.build_abbrev = build_abbrev
self.source_abbrev = source_abbrev
self.build_prefix = options.builddir
self.install_prefix = options.prefix
self.options = options
self.component_abbrev = dict(
llvm="llvm",
dragonegg="degg")
def run(self):
while True:
try:
source, build = self.work_queue.get()
self.dobuild(source, build)
except:
traceback.print_exc()
finally:
self.work_queue.task_done()
def execute(self, command, execdir, env, component):
prefix = self.component_abbrev[component.replace("-", "_")]
pwd = os.getcwd()
if not os.path.exists(execdir):
os.makedirs(execdir)
execenv = os.environ.copy()
for key, value in env.items():
execenv[key] = value
self.logger.debug("[" + prefix + "] " + "env " + str(env) + " "
+ " ".join(command));
try:
proc = subprocess.Popen(command,
cwd=execdir,
env=execenv,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT)
line = proc.stdout.readline()
while line:
self.logger.info("[" + prefix + "] "
+ str(line, "utf-8").rstrip())
line = proc.stdout.readline()
(stdoutdata, stderrdata) = proc.communicate()
retcode = proc.wait()
return retcode
except:
traceback.print_exc()
# Get a list of C++ include directories to pass to clang.
def get_includes(self):
# Assume we're building with g++ for now.
command = [self.cxx]
command += ["-v", "-x", "c++", "/dev/null", "-fsyntax-only"]
includes = []
self.logger.debug(command)
try:
proc = subprocess.Popen(command,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT)
gather = False
line = proc.stdout.readline()
while line:
self.logger.debug(line)
if re.search("End of search list", str(line)) is not None:
self.logger.debug("Stop Gather")
gather = False
if gather:
includes.append(str(line, "utf-8").strip())
if re.search("#include <...> search starts", str(line)) is not None:
self.logger.debug("Start Gather")
gather = True
line = proc.stdout.readline()
except:
traceback.print_exc()
self.logger.debug(includes)
return includes
def dobuild(self, source, build):
build_suffix = ""
ssabbrev = get_short_abbrevs([ab for ab in self.source_abbrev.values()])
prefix = "[" + ssabbrev[self.source_abbrev[source]] + "-" + self.build_abbrev[build] + "]"
if (not self.options.no_flavor_prefix):
self.install_prefix += "/" + self.source_abbrev[source] + "/" + build
build_suffix += "/" + self.source_abbrev[source] + "/" + build
self.logger = logging.getLogger(prefix)
self.logger.debug(self.install_prefix)
# Assume we're building with gcc for now.
cxxincludes = self.get_includes()
cxxroot = os.path.dirname(cxxincludes[0]) # Remove the version
cxxroot = os.path.dirname(cxxroot) # Remove the c++
cxxroot = os.path.dirname(cxxroot) # Remove the include
configure_flags = dict(
llvm=dict(debug=["--prefix=" + self.install_prefix,
"--enable-assertions",
"--disable-optimized",
"--with-gcc-toolchain=" + cxxroot],
release=["--prefix=" + self.install_prefix,
"--enable-optimized",
"--with-gcc-toolchain=" + cxxroot],
paranoid=["--prefix=" + self.install_prefix,
"--enable-assertions",
"--enable-expensive-checks",
"--disable-optimized",
"--with-gcc-toolchain=" + cxxroot]),
dragonegg=dict(debug=[],
release=[],
paranoid=[]))
if (self.options.enable_werror):
configure_flags["llvm"]["debug"].append("--enable-werror")
configure_flags["llvm"]["release"].append("--enable-werror")
configure_flags["llvm"]["paranoid"].append("--enable-werror")
configure_env = dict(
llvm=dict(debug=dict(CC=self.cc,
CXX=self.cxx),
release=dict(CC=self.cc,
CXX=self.cxx),
paranoid=dict(CC=self.cc,
CXX=self.cxx)),
dragonegg=dict(debug=dict(CC=self.cc,
CXX=self.cxx),
release=dict(CC=self.cc,
CXX=self.cxx),
paranoid=dict(CC=self.cc,
CXX=self.cxx)))
make_flags = dict(
llvm=dict(debug=["-j" + str(self.jobs)],
release=["-j" + str(self.jobs)],
paranoid=["-j" + str(self.jobs)]),
dragonegg=dict(debug=["-j" + str(self.jobs)],
release=["-j" + str(self.jobs)],
paranoid=["-j" + str(self.jobs)]))
make_env = dict(
llvm=dict(debug=dict(),
release=dict(),
paranoid=dict()),
dragonegg=dict(debug=dict(GCC=self.cc,
LLVM_CONFIG=self.install_prefix + "/bin/llvm-config"),
release=dict(GCC=self.cc,
LLVM_CONFIG=self.install_prefix + "/bin/llvm-config"),
paranoid=dict(GCC=self.cc,
LLVM_CONFIG=self.install_prefix + "/bin/llvm-config")))
make_install_flags = dict(
llvm=dict(debug=["install"],
release=["install"],
paranoid=["install"]),
dragonegg=dict(debug=["install"],
release=["install"],
paranoid=["install"]))
make_install_env = dict(
llvm=dict(debug=dict(),
release=dict(),
paranoid=dict()),
dragonegg=dict(debug=dict(),
release=dict(),
paranoid=dict()))
make_check_flags = dict(
llvm=dict(debug=["check"],
release=["check"],
paranoid=["check"]),
dragonegg=dict(debug=["check"],
release=["check"],
paranoid=["check"]))
make_check_env = dict(
llvm=dict(debug=dict(),
release=dict(),
paranoid=dict()),
dragonegg=dict(debug=dict(),
release=dict(),
paranoid=dict()))
for component in components:
comp = component[:]
if (self.options.no_dragonegg):
if (comp == 'dragonegg'):
self.logger.info("Skipping " + component + " in "
+ builddir)
continue
srcdir = source + "/" + comp.rstrip("2")
builddir = self.build_prefix + "/" + comp + "/" + build_suffix
installdir = self.install_prefix
comp_key = comp.replace("-", "_")
config_args = configure_flags[comp_key][build][:]
config_args.extend(getattr(self.options,
"extra_" + comp_key.rstrip("2")
+ "_config_flags",
"").split())
self.logger.info("Configuring " + component + " in " + builddir)
configrc = self.configure(component, srcdir, builddir,
config_args,
configure_env[comp_key][build])
if (configrc == None) :
self.logger.info("[None] Failed to configure " + component + " in " + installdir)
if (configrc == 0 or self.options.keep_going) :
self.logger.info("Building " + component + " in " + builddir)
self.logger.info("Build: make " + str(make_flags[comp_key][build]))
buildrc = self.make(component, srcdir, builddir,
make_flags[comp_key][build],
make_env[comp_key][build])
if (buildrc == None) :
self.logger.info("[None] Failed to build " + component + " in " + installdir)
if (buildrc == 0 or self.options.keep_going) :
self.logger.info("Testing " + component + " in " + builddir)
self.logger.info("Test: make "
+ str(make_check_flags[comp_key][build]))
testrc = self.make(component, srcdir, builddir,
make_check_flags[comp_key][build],
make_check_env[comp_key][build])
if (testrc == None) :
self.logger.info("[None] Failed to test " + component + " in " + installdir)
if ((testrc == 0 or self.options.keep_going)
and not self.options.no_install):
self.logger.info("Installing " + component + " in " + installdir)
self.make(component, srcdir, builddir,
make_install_flags[comp_key][build],
make_install_env[comp_key][build])
else :
self.logger.info("Failed testing " + component + " in " + installdir)
else :
self.logger.info("Failed to build " + component + " in " + installdir)
else :
self.logger.info("Failed to configure " + component + " in " + installdir)
def configure(self, component, srcdir, builddir, flags, env):
prefix = self.component_abbrev[component.replace("-", "_")]
self.logger.debug("Configure " + str(flags) + " " + str(srcdir) + " -> "
+ str(builddir))
configure_files = dict(
llvm=[(srcdir + "/configure", builddir + "/Makefile")],
dragonegg=[(None,None)])
doconfig = False
for conf, mf in configure_files[component.replace("-", "_")]:
if conf is None:
# No configure necessary
return 0
if not os.path.exists(conf):
self.logger.info("[" + prefix + "] Configure failed, no configure script " + conf)
return -1
if os.path.exists(conf) and os.path.exists(mf):
confstat = os.stat(conf)
makestat = os.stat(mf)
if confstat.st_mtime > makestat.st_mtime:
doconfig = True
break
else:
doconfig = True
break
if not doconfig and not self.options.force_configure:
return 0
program = srcdir + "/configure"
if not is_executable(program):
self.logger.info("[" + prefix + "] Configure failed, cannot execute " + program)
return -1
args = [program]
args += ["--verbose"]
args += flags
return self.execute(args, builddir, env, component)
def make(self, component, srcdir, builddir, flags, env):
program = find_executable("make")
if program is None:
raise ExecutableNotFound
if not is_executable(program):
raise FileNotExecutable
args = [program]
args += flags
return self.execute(args, builddir, env, component)
# Global constants
build_abbrev = dict(debug="dbg", release="opt", paranoid="par")
components = ["llvm", "dragonegg"]
# Parse options
parser = optparse.OptionParser(version="%prog 1.0")
add_options(parser)
(options, args) = parser.parse_args()
check_options(parser, options, build_abbrev.keys());
if options.verbose:
logging.basicConfig(level=logging.DEBUG,
format='%(name)-13s: %(message)s')
else:
logging.basicConfig(level=logging.INFO,
format='%(name)-13s: %(message)s')
source_abbrev = get_path_abbrevs(set(options.src))
work_queue = queue.Queue()
jobs = options.jobs // options.threads
if jobs == 0:
jobs = 1
numthreads = options.threads
logging.getLogger().info("Building with " + str(options.jobs) + " jobs and "
+ str(numthreads) + " threads using " + str(jobs)
+ " make jobs")
logging.getLogger().info("CC = " + str(options.cc))
logging.getLogger().info("CXX = " + str(options.cxx))
for t in range(numthreads):
builder = Builder(work_queue, jobs,
build_abbrev, source_abbrev,
options)
builder.daemon = True
builder.start()
for build in set(options.build):
for source in set(options.src):
work_queue.put((source, build))
work_queue.join()
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