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-rw-r--r--jam-files/boost-build/build/configure.py164
1 files changed, 164 insertions, 0 deletions
diff --git a/jam-files/boost-build/build/configure.py b/jam-files/boost-build/build/configure.py
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+# Status: ported.
+# Base revison: 64488
+#
+# Copyright (c) 2010 Vladimir Prus.
+#
+# Use, modification and distribution is subject to the Boost Software
+# License Version 1.0. (See accompanying file LICENSE_1_0.txt or
+# http://www.boost.org/LICENSE_1_0.txt)
+
+# This module defines function to help with two main tasks:
+#
+# - Discovering build-time configuration for the purposes of adjusting
+# build process.
+# - Reporting what is built, and how it is configured.
+
+import b2.build.property as property
+import b2.build.property_set as property_set
+
+import b2.build.targets
+
+from b2.manager import get_manager
+from b2.util.sequence import unique
+from b2.util import bjam_signature, value_to_jam
+
+import bjam
+import os
+
+__width = 30
+
+def set_width(width):
+ global __width
+ __width = 30
+
+__components = []
+__built_components = []
+__component_logs = {}
+__announced_checks = False
+
+__log_file = None
+__log_fd = -1
+
+def register_components(components):
+ """Declare that the components specified by the parameter exist."""
+ __components.extend(components)
+
+def components_building(components):
+ """Declare that the components specified by the parameters will be build."""
+ __built_components.extend(components)
+
+def log_component_configuration(component, message):
+ """Report something about component configuration that the user should better know."""
+ __component_logs.setdefault(component, []).append(message)
+
+def log_check_result(result):
+ global __announced_checks
+ if not __announced_checks:
+ print "Performing configuration checks"
+ __announced_checks = True
+
+ print result
+
+def log_library_search_result(library, result):
+ log_check_result((" - %(library)s : %(result)s" % locals()).rjust(width))
+
+
+def print_component_configuration():
+
+ print "\nComponent configuration:"
+ for c in __components:
+ if c in __built_components:
+ s = "building"
+ else:
+ s = "not building"
+ message = " - %s)" % c
+ message = message.rjust(__width)
+ message += " : " + s
+ for m in __component_logs.get(c, []):
+ print " -" + m
+ print ""
+
+__builds_cache = {}
+
+def builds(metatarget_reference, project, ps, what):
+ # Attempt to build a metatarget named by 'metatarget-reference'
+ # in context of 'project' with properties 'ps'.
+ # Returns non-empty value if build is OK.
+
+ result = []
+
+ existing = __builds_cache.get((what, ps), None)
+ if existing is None:
+
+ result = False
+ __builds_cache[(what, ps)] = False
+
+ targets = b2.build.targets.generate_from_reference(
+ metatarget_reference, project, ps).targets()
+ jam_targets = []
+ for t in targets:
+ jam_targets.append(t.actualize())
+
+ x = (" - %s" % what).rjust(__width)
+ if bjam.call("UPDATE_NOW", jam_targets, str(__log_fd), "ignore-minus-n"):
+ __builds_cache[(what, ps)] = True
+ result = True
+ log_check_result("%s: yes" % x)
+ else:
+ log_check_result("%s: no" % x)
+
+ return result
+ else:
+ return existing
+
+def set_log_file(log_file_name):
+ # Called by Boost.Build startup code to specify name of a file
+ # that will receive results of configure checks. This
+ # should never be called by users.
+ global __log_file, __log_fd
+ dirname = os.path.dirname(log_file_name)
+ if not os.path.exists(dirname):
+ os.makedirs(dirname)
+ # Make sure to keep the file around, so that it's not
+ # garbage-collected and closed
+ __log_file = open(log_file_name, "w")
+ __log_fd = __log_file.fileno()
+
+# Frontend rules
+
+class CheckTargetBuildsWorker:
+
+ def __init__(self, target, true_properties, false_properties):
+ self.target = target
+ self.true_properties = property.create_from_strings(true_properties, True)
+ self.false_properties = property.create_from_strings(false_properties, True)
+
+ def check(self, ps):
+
+ # FIXME: this should not be hardcoded. Other checks might
+ # want to consider different set of features as relevant.
+ toolset = ps.get('toolset')[0]
+ toolset_version_property = "<toolset-" + toolset + ":version>" ;
+ relevant = ps.get_properties('target-os') + \
+ ps.get_properties("toolset") + \
+ ps.get_properties(toolset_version_property) + \
+ ps.get_properties("address-model") + \
+ ps.get_properties("architecture")
+ rps = property_set.create(relevant)
+ t = get_manager().targets().current()
+ p = t.project()
+ if builds(self.target, p, rps, "%s builds" % self.target):
+ choosen = self.true_properties
+ else:
+ choosen = self.false_properties
+ return property.evaluate_conditionals_in_context(choosen, ps)
+
+@bjam_signature((["target"], ["true_properties", "*"], ["false_properties", "*"]))
+def check_target_builds(target, true_properties, false_properties):
+ worker = CheckTargetBuildsWorker(target, true_properties, false_properties)
+ value = value_to_jam(worker.check)
+ return "<conditional>" + value
+
+get_manager().projects().add_rule("check-target-builds", check_target_builds)
+
+