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__)
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')
REVISION = "unknown",
)
+ env.Replace( _defines = expandDefines )
+
# Interpret command line options
parseArguments(
env,
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