1 import SCons.Node, SCons.Node.FS, SCons.Util, SCons.Errors, os
3 #####################################################################
4 # This IS a hack .. but a very useful one: The hack will remove the
5 # 'senf' library from the unit-tests and instead add all the object
6 # files needed explicitly.
8 # This works by building a list of all children (recursively) of the
9 # test sources. For each child we check, wether a file with the same
10 # name but an $OBJSUFFIX extension exists as a build target. In that
11 # case, we add it to the list of needed objects (AND recursively scan
12 # that objects children).
14 # Additionally, of the variable 'only_tests' is set, it contains a
15 # list of test source files to be built exclusively: All other test
16 # sources will NOT be compiled (and their children will therefore not
19 # There is one restriction: CompileCheck tests are not run when this
21 #####################################################################
23 # Build a list of all object file targets which are needed by 'nodes'
24 def neededObjects(env,nodes):
25 if not SCons.Util.is_List(nodes) : nodes = [nodes]
29 walker = SCons.Node.Walker(node)
38 def check(nodes, env=env, seen=seen, rv=rv):
40 if isinstance(c,SCons.Node.FS.File) and not seen.get(c):
42 ob = c.File(env.subst("${SOURCE.dir.abspath}/${OBJPREFIX}${SOURCE.filebase}${OBJSUFFIX}", source=c))
53 rv = [ (str(x),x) for x in rv.iterkeys() ]
55 return (x[1] for x in rv)
57 # Return a map witch has all sources (recursively) of 'nodes' as keys
58 def recursiveSourcesMap(nodes):
61 def check(node, rv=rv):
62 for src in node.sources:
72 # Replacement BoostUnitTest builder. This build just defers the real
73 # builder call until later
74 def AutoObjectBoostUnitTest(env, target, tests, **kw):
75 target = env.arg2nodes(target)[0]
76 tests = env.arg2nodes(tests)
77 env.Append(_UNIT_TEST_LIST = (target, tests, kw))
80 env['BUILDERS']['RealBoostUnitTest'] = env['BUILDERS']['BoostUnitTest']
81 env['BUILDERS']['BoostUnitTest'] = AutoObjectBoostUnitTest
82 env['_UNIT_TEST_LIST'] = []
84 # This needs to be called after all build targets have been set
85 # up. This is important since the list of object targets needs to be
87 def build(env, accept_unknown_tests=False, verbose=False):
88 env = env.Clone(LIBS = [ '$EXTRA_LIBS' ])
89 if env.has_key("only_tests"):
91 dir = env.Dir(env.GetLaunchDir())
92 for test in env.Split(env['only_tests']):
94 if not test.name.endswith(".test.cc"):
95 test = test.target_from_source(prefix="", suffix=".test.cc")
96 only_tests[test] = False
99 for target, tests, kw in env['_UNIT_TEST_LIST']:
103 if test.suffix == env['OBJSUFFIX']:
106 if not only_tests or only_tests.has_key(test):
107 if only_tests : only_tests[test] = True
108 objects.extend(env.Object(test))
110 elif test.name == 'main.test.cc':
111 objects.extend(env.Object(test))
112 if not build : continue
114 # First step: Get all objects which are needed by any of 'objects'
115 objects = list(neededObjects(env,objects))
116 # Get all the source files needed by those objects
117 sources = recursiveSourcesMap(objects)
118 # Now remove any objects which are also sources: When an
119 # object is a source for another object this means, the target
120 # object has been built by CombinedObject. Since the target
121 # object includes all it's source objects, we need to remove
122 # all those source objects from the object list (if any).
123 objects = [ ob for ob in objects if not sources.get(ob) ]
125 env.RealBoostUnitTest(target, objects, **kw)
127 if verbose and only_tests and not env.GetOption('no_progress'):
128 SCons.Util.display("scons: building tests: " + ", ".join("`%s'" % str(k)
129 for k,v in only_tests.iteritems()
131 if not accept_unknown_tests:
132 only_tests = [ k for k,v in only_tests.iteritems() if not v ]
134 raise SCons.Errors.StopError("Unknown unit tests (only_tests): %s."
135 % ", ".join("`%s'" % x for x in only_tests))
137 def findSCMChanges(env):
140 if os.popen("cd %s; svnversion" % dir.abspath).read().strip() in ("","exported"):
141 return [ dir.Entry(x)
142 for x in os.popen("cd %s; git ls-files --modified"
143 % dir.abspath).read().strip().split("\n") ]
145 return [ dir.Entry(l[7:])
146 for l in os.popen("cd %s; svn status"
147 % dir.abspath).read().rstrip().split("\n")
150 changes=scmchanges(env.Dir('#'))
151 for dir in env.Dir('senf/Ext').glob("*"):
152 if isinstance(dir,SCons.Node.FS.Dir):
153 changes.extend(scmchanges(dir))
154 return [ x for x in changes if not isinstance(x,SCons.Node.FS.Dir) ]