import os.path, glob, site_tools.Yaptu
from SCons.Script import *
+import SCons.Defaults, SCons.Util
import senfconf
+import types, re
senfutildir = os.path.dirname(__file__)
return '((%s,%s,%s))' % (stream,area,level)
def expandLogOption(target, source, env, for_signature):
- if env.get('LOGLEVELS'):
+ if env.subst('$LOGLEVELS'):
return [ 'SENF_LOG_CONF="' + ''.join( parseLogOption(x) for x in env.subst('$LOGLEVELS').split() )+'"']
else:
return []
type = env['final'] and "final" or env['debug'] and "debug" or "normal"
return env[self._var + "_" + type]
+_DOLLAR_RE = re.compile(r'\$([a-zA-Z_][\.\w]*)|\${([^}]*)}')
+
+def _expandDefines(defs, target, source, env, for_signature):
+ rv = []
+ if SCons.Util.is_Dict(defs):
+ keys = defs.keys()
+ keys.sort()
+ defs = [ (k,defs[k]) for k in keys ]
+ elif not SCons.Util.is_List(defs):
+ defs = [ defs ]
+ for elt in defs:
+ if SCons.Util.is_String(elt):
+ m = _DOLLAR_RE.match(elt)
+ if m:
+ match = m.group(1) or m.group(2)
+ try: rv.extend(_expandDefines(eval(match, env.gvars(), env.lvars()),
+ target, source, env, for_signature))
+ except NameError: pass
+ except IndexError: pass
+ else:
+ rv.append(env.subst(elt))
+ elif callable(elt):
+ rv.extend(_expandDefines(elt(target, source, env, for_signature),
+ target, source, env, for_signature))
+ elif SCons.Util.is_Sequence(elt):
+ if len(elt)<2 or elt[1] is None:
+ rv.append(env.subst(elt[0]))
+ else:
+ rv.append(env.subst(elt[0]) + "=" + env.subst(elt[1]))
+ else:
+ rv.append(str(elt))
+ return rv
+
+def expandDefines(prefix, defs, suffix, env):
+ """Expand defines in <defs> using <env>. Calls SCons.Defaults._concat_ixes
+to append prefix/suffix before/after each define.
+
+ callable
+ Call the callable and replace it with the call result. If the result
+ is a list, the list is processed recursively. It the result is a
+ dictionary it is converted into a list of typles and processed
+ recursively.
+ '$<variable>' or '${<variable>}'
+ Replace the element with the variable expansion. If the result is a
+ list, the list is processed recursively. It the result is a
+ dictionary it is converted into a list of typles and processed
+ recursively.
+ '<any other string>'
+ Define a symbol with that (expanded!) name
+ iterable
+ The iteratble must have two elments. The first element defines the
+ symbol name, the second the symbol value."""
+
+ defs = _expandDefines(defs, None, None, env, False)
+ return SCons.Defaults._concat_ixes(prefix, defs, suffix, env)
+
def loadTools(env):
global senfutildir
tooldir = os.path.join(senfutildir, 'site_tools')
env.Help(vars.GenerateHelpText(env))
try : unknv = vars.UnknownVariables()
except AttributeError: unknv = vars.UnknownOptions()
+ env.SetDefault(ARGUMENT_VARIABLES = {})
for k,v in unknv.iteritems():
if k.endswith('+'):
env.Append(**{k[:-1]: v})
+ env.Append(ARGUMENT_VARIABLES = {k[:-1]:v})
else:
env.Replace(**{k: v})
+ env.Append(ARGUMENT_VARIABLES = {k:v})
+
+def detect_senf(env,senf_path, try_flavors):
+ """Detect senf with flavor in 'try_flavors' somewhere in 'senf_path'.
+
+This function returns True, if senf is found, False otherwise.
+The environment 'env' is updated in the following way:
+ SENFSYSLAYOUT set to True, if the install is a system installation,
+ False otherwise
-###########################################################################
-# This looks much more complicated than it is: We do three things here:
-# a) switch between final or debug options
-# b) parse the LOGLEVELS parameter into the correct SENF_LOG_CONF syntax
-# c) check for a local SENF, set options accordingly
-# d) check, wether the boost extensions are needed
+ FLAVOR set to the detected senf flavor
-def SetupForSENF(env, senf_path = []):
+ SENFDIR set to the base directory of the senf installation.
+"""
global senfutildir
- senf_path.extend(('senf', os.path.dirname(senfutildir), '/usr/local', '/usr'))
+ senf_path.extend((os.path.dirname(senfutildir), '/usr/local', '/usr'))
+
+ for path in senf_path:
+ if not path.startswith('/') : sconspath = '#/%s' % path
+ else : sconspath = path
+ for flavor in try_flavors:
+ suffix = flavor and "_"+flavor or ""
+ local_path = os.path.join(path,"senf%s.conf" % suffix)
+ sys_path = os.path.join(path, "lib", "senf", "senf%s.conf" % suffix)
+ if os.path.exists(local_path):
+ env.SetDefault( SENFSYSLAYOUT = False )
+ elif os.path.exists(sys_path):
+ env.SetDefault( SENFSYSLAYOUT = True )
+ else:
+ continue
+ env.SetDefault( FLAVOR = flavor, SENFDIR = sconspath )
+ return True
+ return False
+
+
+def SetupForSENF(env, senf_path = [], flavor=None):
+ try_flavors = [ '', 'g' ]
+ if flavor is not None:
+ try_flavors[0:0] = [ flavor ]
+
+ res = detect_senf(env, senf_path, try_flavors)
+ if not env.GetOption('no_progress'):
+ if res:
+ print env.subst("scons: Using${SENFSYSLAYOUT and ' system' or ''} 'libsenf${LIBADDSUFFIX}' in '$SENFDIR'")
+ else:
+ print "scons: SENF library not found, trying to build anyway ..."
loadTools(env)
+ # For a non-system installed senf, we add library and include search path here
+ if not env.get('SENFSYSLAYOUT', True):
+ env.Append(
+ CPPPATH = [ '$SENFINCDIR' ],
+ LIBPATH = [ '$SENFDIR' ],
+ )
+
+ env.Replace(
+ _defines = expandDefines,
+ expandLogOption = expandLogOption,
+ )
+ env.SetDefault(
+ FLAVOR = flavor,
+ LIBADDSUFFIX = '${FLAVOR and "_$FLAVOR" or ""}',
+ OBJADDSUFFIX = '${LIBADDSUFFIX}',
+ PROJECTNAME = "Unnamed project",
+ DOCLINKS = [],
+ PROJECTEMAIL = "nobody@nowhere.org",
+ COPYRIGHT = "nobody",
+ REVISION = "unknown",
+ BUNDLEDIR = '$SENFDIR${SENFSYSLAYOUT and "/lib/senf" or ""}',
+ SENFINCDIR = '$SENFDIR${SENFSYSLAYOUT and "/include" or ""}',
+ )
env.Append(
- LIBS = [ 'rt' ],
+ CPPPATH = [ '${NEED_BOOST_EXT and "$SENFINCDIR/boost_ext" or None}' ],
+ CPPDEFINES = [ '$expandLogOption' ],
+ CXXFLAGS = [ '-Wno-long-long', '-fno-strict-aliasing' ],
+ LIBS = [ 'senf$LIBADDSUFFIX', 'rt',
+ '$BOOSTREGEXLIB', '$BOOSTIOSTREAMSLIB', '$BOOSTSIGNALSLIB', '$BOOSTFSLIB' ],
+ LINKFLAGS = [ '-rdynamic' ],
+ )
- CXXFLAGS = [ '-Wno-long-long', '$CXXFLAGS_', '-fno-strict-aliasing' ],
+ try:
+ env.MergeFlags(file(env.File('$BUNDLEDIR/senf${LIBADDSUFFIX}.conf').abspath).read())
+ except IOError:
+ # Really should never happen since detect_senf looks for this file ...
+ pass
+
+def DefaultOptions(env):
+ env.Replace(
+ _defines = expandDefines,
+ expandLogOption = expandLogOption,
+ )
+ env.Append(
+ CXXFLAGS = [ '$CXXFLAGS_' ],
CXXFLAGS_ = BuildTypeOptions('CXXFLAGS'),
- CPPDEFINES = [ '$expandLogOption', '$CPPDEFINES_' ],
- expandLogOption = expandLogOption,
+ CPPDEFINES = [ '$CPPDEFINES_' ],
CPPDEFINES_ = BuildTypeOptions('CPPDEFINES'),
- LINKFLAGS = [ '-rdynamic', '$LINKFLAGS_' ],
+ LINKFLAGS = [ '$LINKFLAGS_' ],
LINKFLAGS_ = BuildTypeOptions('LINKFLAGS'),
LOGLEVELS = [ '$LOGLEVELS_' ],
LOGLEVELS_ = BuildTypeOptions('LOGLEVELS'),
)
-
env.SetDefault(
CXXFLAGS_final = [],
CXXFLAGS_normal = [],
LOGLEVELS_final = [],
LOGLEVELS_normal = [],
LOGLEVELS_debug = [],
-
- PROJECTNAME = "Unnamed project",
- DOCLINKS = [],
- PROJECTEMAIL = "nobody@nowhere.org",
- COPYRIGHT = "nobody",
- REVISION = "unknown",
)
# Interpret command line options
BoolVariable('debug', 'Link in debug symbols', False),
)
- # If we have a symbolic link (or directory) 'senf', we use it as our
- # senf repository
- for path in senf_path:
- if not path.startswith('/') : sconspath = '#/%s' % path
- else : sconspath = path
- if os.path.exists(os.path.join(path,"senf/config.hh")):
- if not env.GetOption('no_progress'):
- print "\nUsing SENF in '%s'\n" \
- % ('/..' in sconspath and os.path.abspath(path) or sconspath)
- env.Append( LIBPATH = [ sconspath ],
- CPPPATH = [ sconspath ],
- BUNDLEDIR = sconspath,
- SENFDIR = sconspath,
- SENFINCDIR = sconspath,
- SENFSYSLAYOUT = False)
- try:
- env.MergeFlags(file(os.path.join(path,"senf.conf")).read())
- except IOError:
- if not env.GetOption('no_progress'):
- print "(SENF configuration file 'senf.conf' not found, assuming non-final SENF)"
- env.Append(CPPDEFINES = [ 'SENF_DEBUG' ])
- break
- elif os.path.exists(os.path.join(path,"include/senf/config.hh")):
- if not env.GetOption('no_progress'):
- print "\nUsing system SENF in '%s/'\n" % sconspath
- env.Append(BUNDLEDIR = os.path.join(sconspath,"lib/senf"),
- SENFDIR = sconspath,
- SENFINCDIR = '%s/include' % sconspath,
- SENFSYSLAYOUT = True)
- break
- else:
- if not env.GetOption('no_progress'):
- print "\nSENF library not found .. trying build anyway !!\n"
-
- Configure(env)
-
- # Only add senf after all configure checks have run
- env.Append(
- CPPPATH = '${NEED_BOOST_EXT and "$SENFINCDIR/boost_ext" or None}',
- LIBS = [ 'senf', '$BOOSTREGEXLIB', '$BOOSTIOSTREAMSLIB', '$BOOSTSIGNALSLIB',
- '$BOOSTFSLIB' ],
- )
-
- env.Alias('all', '#')
-
-
-def DefaultOptions(env):
+ # Set nice default options
env.Append(
CXXFLAGS = [ '-Wall', '-Woverloaded-virtual' ],
CXXFLAGS_final = [ '-O3' ],
LINKFLAGS_debug = [ '-g' ],
)
+ env.Alias('all', '#')
+
def Glob(env, exclude=[], subdirs=[]):
testSources = env.Glob("*.test.cc", strings=True)
return (sources, testSources)
-def Configure(env):
+@senfconf.Test
+def CheckSTLCopyN(context):
+ context.Message("Checking for 'copy_n' implementation... ")
+ versions = [ ('<algorithm>', 'std::copy_n', 'STD'),
+ ('<ext/algorithm>', '__gnu_cxx::copy_n', 'GNUCXX') ]
+ for include, name, define in versions:
+ ret = context.TryCompile("#include %s\n"
+ "int main(int,char**) { int *a,*b; %s(a,0,b); }\n"
+ % (include, name),
+ ".cc")
+ if ret:
+ context.Result(name)
+ context.sconf.Define("HAVE_%s_COPYN" % define,
+ 1,
+ "Define one of "
+ + ", ".join(("HAVE_%s_COPYN" % elt[2] for elt in versions)))
+ return ret
+
+ context.Result(False)
+ return False
+
+
+@senfconf.Test
+def CheckTempBufferStrategy(context):
+ context.Message("Checking for optimal temporary buffer strategy... ")
+
+ def check():
+ # locals
+ ret = context.TryCompile("void test(int n){int a[n];}",".cc")
+ if ret: return "locals"
+
+ # alloca
+ ret = context.TryCompile("#include <alloca.h>\n"
+ "void test(int a){void *b(alloca(a));}"
+ ".cc")
+ if ret: return "alloca"
+
+ # fallback: new
+ return "new"
+
+ ret = check()
+ context.Result(ret)
+ context.sconf.Define("SENF_BUFFER_USE_%s" % ret.upper(),
+ 1,
+ "Define one of SENF_BUFFER_USE_LOCALS, SENF_BUFFER_USE_ALLOCA, "
+ "SENF_BUFFER_USE_NEW")
+ return ret
+
+
+def Fail(msg):
+ SCons.Util.display("scons: *** %s" % msg)
+ Exit(1)
+
+
+def Configure(env, customChecks=None):
conf = env.Configure(clean=False,
help=False,
custom_tests=senfconf.Tests(),
config_h="#/senf/autoconf.hh")
- env.Replace(
- BOOST_VERSION = conf.CheckBoostVersion(),
- BOOST_VARIANT = conf.CheckBoostVariants( '', 'mt' ),
- NEED_BOOST_EXT = not conf.CheckCXXHeader("boost/bimap.hpp"),
- HAVE_BOOST_SPIRIT_INCLUDE_CLASSIC_HPP = conf.CheckCXXHeader(
- "boost/spirit/include/classic.hpp"),
- )
- conf.Finish()
+ # Boost
+ if not conf.CheckBoostVersion():
+ Fail("Boost includes not found")
+ if not conf.env['ARGUMENT_VARIABLES'].has_key('BOOST_VARIANT'): conf.CheckBoostVariants( '', 'mt' )
+ conf.env.Replace(NEED_BOOST_EXT = not conf.CheckCXXHeader("boost/bimap.hpp"))
+ conf.CheckCXXHeader("boost/spirit/include/classic.hpp")
+
+ # Compiler support
+ conf.CheckTempBufferStrategy()
+
+ # Standard library stuff
+ if not conf.CheckSTLCopyN():
+ Fail("No 'copy_n' implementation found")
+ conf.CheckFunc("timerfd_create")
+
+ # User checks
+ if customChecks:
+ customChecks(conf)
+
+ conf.Finish()
tagfiles = None
projects / senf.git / blobdiff