source: tests/pybin/settings.py@ def9d4e

from __future__ import print_function

import os
import sys
import tools

try :
        testpath = os.path.dirname(os.path.abspath(os.path.join(os.getcwd(), sys.argv[0])))
        sys.path.append(testpath)
        import config

        SRCDIR = os.path.abspath(config.SRCDIR)
        BUILDDIR = os.path.abspath(config.BUILDDIR)
        os.chdir(testpath)

except:
        print('ERROR: missing config.py, re-run configure script.', file=sys.stderr)
        sys.exit(1)

class Architecture:
        KnownArchitectures = {
                'x64'                   : 'x64',
                'x86-64'                : 'x64',
                'x86_64'                : 'x64',
                'x86'                   : 'x86',
                'i386'          : 'x86',
                'i486'          : 'x86',
                'i686'          : 'x86',
                'Intel 80386'   : 'x86',
                'arm'                   : 'arm',
                'ARM'                   : 'arm',
        }

        CrossCompileFlags = {
                'x64' : 'ARCH_FLAGS=-m64',
                'x86' : 'ARCH_FLAGS=-m32',
        }

        def __init__(self, arch):
                try:
                        canonical_host = Architecture.makeCanonical( config.HOSTARCH )
                except KeyError:
                        print("Unkown host architecture %s" % config.HOSTARCH, file=sys.stderr)
                        sys.exit(1)

                if arch:
                        try:
                                arch = Architecture.makeCanonical( arch )
                        except KeyError:
                                print("Unkown architecture %s" % arch, file=sys.stderr)
                                sys.exit(1)

                if arch and arch != canonical_host:
                        self.target = arch
                        self.cross_compile = True
                else:
                        self.target = canonical_host
                        self.cross_compile = False


                try :
                        self.flags = Architecture.CrossCompileFlags[self.target]
                except KeyError:
                        print("Cross compilation not available for architecture %s" % self.target, file=sys.stderr)
                        sys.exit(1)

                self.string = self.target

        def update(self):
                if not self.cross_compile:
                        self.target = machine_default()
                        self.string = self.target
                        print("updated to %s" % self.target)

        def match(self, arch):
                return True if not arch else self.target == arch

        @classmethod
        def makeCanonical(_, arch):
                return Architecture.KnownArchitectures[arch]


class Debug:
        def __init__(self, value):
                self.string = "debug" if value else "no debug"
                self.flags  = """DEBUG_FLAGS="%s" """ % ("-debug -O0" if value else "-nodebug -O2")

class Install:
        def __init__(self, value):
                self.string = "installed" if value else "in-tree"
                self.flags  = """INSTALL_FLAGS="%s" """ % ("" if value else "-in-tree")

class Timeouts:
        def __init__(self, ts, tg):
                self.single = Timeouts.check(ts)
                self.total  = Timeouts.check(tg)

        @classmethod
        def check(_, value):
                if value < 1:
                        print("Timeouts must be at least 1 second", file=sys.stderr)
                        sys.exit(1)

                return value

def init( options ):
        global arch
        global dry_run
        global generating
        global make
        global debug
        global install
        global timeout

        dry_run    = options.dry_run
        generating = options.regenerate_expected
        make       = 'make'
        debug        = Debug(options.debug)
        install    = Install(options.install)
        arch       = Architecture(options.arch)
        timeout    = Timeouts(options.timeout, options.global_timeout)


def updateMakeCmd(force, jobs):
        global make

        make = "make" if not force else ("make -j%i" % jobs)

def validate():
        errf = os.path.join(BUILDDIR, ".validate.err")
        make_ret, _ = tools.make( ".validate", error_file = errf, redirects  = "2> /dev/null 1> /dev/null", )
        if make_ret != 0:
                with open (errf, "r") as myfile:
                        error=myfile.read()
                print("ERROR: Invalid configuration %s:%s" % (arch.string, debug.string), file=sys.stderr)
                print("       verify returned : \n%s" % error, file=sys.stderr)
                tools.rm(errf)
                sys.exit(1)

        tools.rm(errf)