+import sys, os, re, platform, hashlib

+sys.path.append(Dir("#/BuildTools/SCons").abspath)

+

+################################################################################

+# Build variables

+################################################################################

+

+vars = Variables(os.path.join(Dir("#").abspath, "config.py"))

+vars.Add('cc', "C compiler")

+vars.Add('cxx', "C++ compiler")

+vars.Add('ccflags', "Extra C(++) compiler flags")

+vars.Add('link', "Linker")

+vars.Add('linkflags', "Extra linker flags")

+vars.Add(BoolVariable("ccache", "Use CCache", "no"))

+vars.Add(BoolVariable("distcc", "Use DistCC", "no"))

+vars.Add('distcc_hosts', "DistCC hosts (overrides DISTCC_HOSTS)")

+vars.Add(EnumVariable("test", "Compile and run tests", "none", ["none", "all", "unit", "system"]))

+vars.Add(BoolVariable("optimize", "Compile with optimizations turned on", "no"))

+vars.Add(BoolVariable("debug", "Compile with debug information", "yes"))

+vars.Add(BoolVariable("allow_warnings", "Allow compilation warnings during compilation", "yes"))

+vars.Add(BoolVariable("assertions", "Compile with assertions", "yes"))

+vars.Add(BoolVariable("max_jobs", "Build with maximum number of parallel jobs", "no"))

+vars.Add(EnumVariable("target", "Choose a target platform for compilation", "native", ["native", "iphone-simulator", "iphone-device", "xcode"]))

+vars.Add(BoolVariable("swift_mobile", "Build mobile Swift", "no"))

+if os.name != "nt" :

+ vars.Add(BoolVariable("coverage", "Compile with coverage information", "no"))

+if os.name == "posix" :

+ vars.Add(BoolVariable("valgrind", "Run tests with valgrind", "no"))

+if os.name == "mac" or (os.name == "posix" and os.uname()[0] == "Darwin"):

+ vars.Add(BoolVariable("universal", "Create universal binaries", "no"))

+ vars.Add(BoolVariable("mac105", "Link against the 10.5 frameworks", "no"))

+if os.name == "nt" :

+ vars.Add(PathVariable("vcredist", "MSVC redistributable dir", "", PathVariable.PathAccept))

+if os.name == "nt" :

+ vars.Add(PackageVariable("bonjour", "Bonjour SDK location", "yes"))

+vars.Add(PackageVariable("openssl", "OpenSSL location", "yes"))

+vars.Add(PathVariable("boost_includedir", "Boost headers location", None, PathVariable.PathAccept))

+vars.Add(PathVariable("boost_libdir", "Boost library location", None, PathVariable.PathAccept))

+vars.Add(PathVariable("expat_includedir", "Expat headers location", None, PathVariable.PathAccept))

+vars.Add(PathVariable("expat_libdir", "Expat library location", None, PathVariable.PathAccept))

+vars.Add("expat_libname", "Expat library name", "libexpat" if os.name == "nt" else "expat")

+vars.Add(PathVariable("libidn_includedir", "LibIDN headers location", None, PathVariable.PathAccept))

+vars.Add(PathVariable("libidn_libdir", "LibIDN library location", None, PathVariable.PathAccept))

+vars.Add("libidn_libname", "LibIDN library name", "libidn" if os.name == "nt" else "idn")

+vars.Add(PathVariable("sqlite_includedir", "SQLite headers location", None, PathVariable.PathAccept))

+vars.Add(PathVariable("sqlite_libdir", "SQLite library location", None, PathVariable.PathAccept))

+vars.Add("sqlite_libname", "SQLite library name", "libsqlite3" if os.name == "nt" else "sqlite3")

+vars.Add(PathVariable("avahi_includedir", "Avahi headers location", None, PathVariable.PathAccept))

+vars.Add(PathVariable("avahi_libdir", "Avahi library location", None, PathVariable.PathAccept))

+vars.Add(PathVariable("qt", "Qt location", "", PathVariable.PathAccept))

+vars.Add(PathVariable("docbook_xml", "DocBook XML", None, PathVariable.PathAccept))

+vars.Add(PathVariable("docbook_xsl", "DocBook XSL", None, PathVariable.PathAccept))

+vars.Add(BoolVariable("build_examples", "Build example programs", "yes"))

+vars.Add(BoolVariable("enable_variants", "Build in a separate dir under build/, depending on compile flags", "no"))

+vars.Add(BoolVariable("experimental", "Build experimental features", "no"))

+

+################################################################################

+# Set up default build & configure environment

+################################################################################

+

+env = Environment(CPPPATH = ["#"], ENV = {

+ 'PATH' : os.environ['PATH'],

+ 'LD_LIBRARY_PATH' : os.environ.get("LD_LIBRARY_PATH", ""),

+ }, variables = vars)

+

+Help(vars.GenerateHelpText(env))

+

+# Default environment variables

+env["PLATFORM_FLAGS"] = {}

+

+# Default custom tools

+env.Tool("Test", toolpath = ["#/BuildTools/SCons/Tools"])

+env.Tool("WriteVal", toolpath = ["#/BuildTools/SCons/Tools"])

+env.Tool("BuildVersion", toolpath = ["#/BuildTools/SCons/Tools"])

+env.Tool("Flags", toolpath = ["#/BuildTools/SCons/Tools"])

+if env["PLATFORM"] == "darwin" :

+ env.Tool("Nib", toolpath = ["#/BuildTools/SCons/Tools"])

+ env.Tool("AppBundle", toolpath = ["#/BuildTools/SCons/Tools"])

+if env["PLATFORM"] == "win32" :

+ env.Tool("WindowsBundle", toolpath = ["#/BuildTools/SCons/Tools"])

+ #So we don't need to escalate with UAC

+ if "TMP" in os.environ.keys() :

+ env['ENV']['TMP'] = os.environ['TMP']

+env.Tool("SLOCCount", toolpath = ["#/BuildTools/SCons/Tools"])

+

+# Max out the number of jobs

+if env["max_jobs"] :

+ try :

+ import multiprocessing

+ SetOption("num_jobs", multiprocessing.cpu_count())

+ except NotImplementedError :

+ pass

+ except ImportError :

+ pass

+

+# Default compiler flags

+if env.get("distcc", False) :

+ env["ENV"]["HOME"] = os.environ["HOME"]

+ env["ENV"]["DISTCC_HOSTS"] = os.environ.get("DISTCC_HOSTS", "")

+ if "distcc_hosts" in env :

+ env["ENV"]["DISTCC_HOSTS"] = env["distcc_hosts"]

+ env["CC"] = "distcc gcc"

+ env["CXX"] = "distcc g++"

+if "cc" in env :

+ env["CC"] = env["cc"]

+if "cxx" in env :

+ env["CXX"] = env["cxx"]

+ccflags = env.get("ccflags", [])

+if isinstance(ccflags, str) :

+ # FIXME: Make the splitting more robust

+ env["CCFLAGS"] = ccflags.split(" ")

+else :

+ env["CCFLAGS"] = ccflags

+if "link" in env :

+ env["SHLINK"] = env["link"]

+ env["LINK"] = env["link"]

+env["LINKFLAGS"] = env.get("linkflags", [])

+# This isn't a real flag (yet) AFAIK. Be sure to append it to the CXXFLAGS

+# where you need it

+env["OBJCCFLAGS"] = []

+if env["optimize"] :

+ if env["PLATFORM"] == "win32" :

+ env.Append(CCFLAGS = ["/O2", "/GL"])

+ env.Append(LINKFLAGS = ["/INCREMENTAL:NO", "/LTCG"])

+ else :

+ env.Append(CCFLAGS = ["-O2"])

+

+if env["target"] == "xcode" and os.environ["CONFIGURATION"] == "Release" :

+ env.Append(CCFLAGS = ["-Os"])

+

+if env["debug"] :

+ if env["PLATFORM"] == "win32" :

+ env.Append(CCFLAGS = ["/Zi", "/MDd"])

+ env.Append(LINKFLAGS = ["/DEBUG"])

+ else :

+ env.Append(CCFLAGS = ["-g"])

+elif env["PLATFORM"] == "win32" :

+ env.Append(CCFLAGS = ["/MD"])

+

+if env.get("universal", 0) :

+ assert(env["PLATFORM"] == "darwin")

+ env.Append(CCFLAGS = [

+ "-isysroot", "/Developer/SDKs/MacOSX10.4u.sdk",

+ "-arch", "i386",

+ "-arch", "ppc"])

+ env.Append(LINKFLAGS = [

+ "-mmacosx-version-min=10.4",

+ "-isysroot", "/Developer/SDKs/MacOSX10.4u.sdk",

+ "-arch", "i386",

+ "-arch", "ppc"])

+

+if env.get("mac105", 0) :

+ assert(env["PLATFORM"] == "darwin")

+ env.Append(CCFLAGS = [

+ "-isysroot", "/Developer/SDKs/MacOSX10.5.sdk",

+ "-arch", "i386"])

+ env.Append(LINKFLAGS = [

+ "-mmacosx-version-min=10.5",

+ "-isysroot", "/Developer/SDKs/MacOSX10.5.sdk",

+ "-arch", "i386"])

+ env.Append(FRAMEWORKS = ["Security"])

+

+if not env["assertions"] :

+ env.Append(CPPDEFINES = ["NDEBUG"])

+

+if env["experimental"] :

+ env.Append(CPPDEFINES = ["SWIFT_EXPERIMENTAL_FT"])

+

+# If we build shared libs on AMD64, we need -fPIC.

+# This should have no performance impact om AMD64

+if env["PLATFORM"] == "posix" and platform.machine() == "x86_64" :

+ env.Append(CCFLAGS = ["-fPIC"])

+

+# Warnings

+if env["PLATFORM"] == "win32" :

+ # TODO: Find the ideal set of warnings

+ #env.Append(CCFLAGS = ["/Wall"])

+ pass

+else :

+ env.Append(CXXFLAGS = ["-Wextra", "-Wall", "-Wnon-virtual-dtor", "-Wundef", "-Wold-style-cast", "-Wno-long-long", "-Woverloaded-virtual", "-Wfloat-equal", "-Wredundant-decls"])

+ if not env.get("allow_warnings", False) :

+ env.Append(CXXFLAGS = ["-Werror"])

+ gccVersion = env.get("CCVERSION", "0.0.0").split(".")

+ if gccVersion >= ["4", "5", "0"] :

+ env.Append(CXXFLAGS = ["-Wlogical-op"])

+ if "clang" in env["CC"] :

+ env.Append(CXXFLAGS = ["-W#warnings", "-Wc++0x-compat", "-Waddress-of-temporary", "-Wambiguous-member-template", "-Warray-bounds", "-Watomic-properties", "-Wbind-to-temporary-copy", "-Wbuiltin-macro-redefined", "-Wc++-compat", "-Wc++0x-extensions", "-Wcomments", "-Wconditional-uninitialized", "-Wconstant-logical-operand", "-Wdeclaration-after-statement", "-Wdeprecated", "-Wdeprecated-implementations", "-Wdeprecated-writable-strings", "-Wduplicate-method-arg", "-Wempty-body", "-Wendif-labels", "-Wenum-compare", "-Wformat=2", "-Wfour-char-constants", "-Wgnu", "-Wincomplete-implementation", "-Winvalid-noreturn", "-Winvalid-offsetof", "-Winvalid-token-paste", "-Wlocal-type-template-args", "-Wmethod-signatures", "-Wmicrosoft", "-Wmissing-declarations", "-Wnon-pod-varargs", "-Wnonfragile-abi2", "-Wnull-dereference", "-Wout-of-line-declaration", "-Woverlength-strings", "-Wpacked", "-Wpointer-arith", "-Wpointer-sign", "-Wprotocol", "-Wreadonly-setter-attrs", "-Wselector", "-Wshift-overflow", "-Wshift-sign-overflow", "-Wstrict-selector-match", "-Wsuper-class-method-mismatch", "-Wtautological-compare", "-Wtypedef-redefinition", "-Wundeclared-selector", "-Wunknown-warning-option", "-Wunnamed-type-template-args", "-Wunused-exception-parameter", "-Wunused-member-function", "-Wused-but-marked-unused", "-Wvariadic-macros"])

+# To enable:

+# "-Wheader-hygiene"

+# "-Wnon-gcc",

+# "-Wweak-vtables",

+# "-Wlarge-by-value-copy",

+

+if env.get("coverage", 0) :

+ assert(env["PLATFORM"] != "win32")

+ env.Append(CCFLAGS = ["-fprofile-arcs", "-ftest-coverage"])

+ env.Append(LINKFLAGS = ["-fprofile-arcs", "-ftest-coverage"])

+

+if env["PLATFORM"] == "win32" :

+ env.Append(LIBS = ["user32", "crypt32", "dnsapi", "iphlpapi", "ws2_32", "wsock32", "Advapi32"])

+ env.Append(CCFLAGS = ["/EHsc", "/nologo"])

+ # FIXME: We should find a decent solution for MSVS 10

+ if int(env["MSVS_VERSION"].split(".")[0]) < 10 :

+ env["LINKCOM"] = [env["LINKCOM"], 'mt.exe -nologo -manifest ${TARGET}.manifest -outputresource:$TARGET;1']

+ env["SHLINKCOM"] = [env["SHLINKCOM"], 'mt.exe -nologo -manifest ${TARGET}.manifest -outputresource:$TARGET;2']

+

+if env["PLATFORM"] == "darwin" and not env["target"] in ["iphone-device", "iphone-simulator", "xcode"] :

+ env.Append(FRAMEWORKS = ["IOKit", "AppKit", "SystemConfiguration"])

+

+# Testing

+env["TEST_TYPE"] = env["test"]

+if "check" in ARGUMENTS :

+ env["TEST_TYPE"] = "unit"

+env["checker_report"] = ARGUMENTS.get("checker_report", False)

+env["TEST"] = (env["TEST_TYPE"] != "none") or env.GetOption("clean")

+if env.get("valgrind", 0) :

+ env["TEST_RUNNER"] = "valgrind --suppressions=QA/valgrind.supp -q --leak-check=full --track-origins=yes "

+env["TEST_IGNORE_RESULT"] = "ignore_test_result" in ARGUMENTS

+env["TEST_CREATE_LIBRARIES"] = "create_test_libraries" in ARGUMENTS

+

+# Packaging

+env["DIST"] = "dist" in ARGUMENTS or env.GetOption("clean")

+for path in ["SWIFT_INSTALLDIR", "SWIFTEN_INSTALLDIR"] :

+ if ARGUMENTS.get(path, "") :

+ if os.path.isabs(ARGUMENTS[path]) :

+ env[path] = Dir(ARGUMENTS[path]).abspath

+ else :

+ env[path] = Dir("#/" + ARGUMENTS[path]).abspath

+

+################################################################################

+# XCode / iPhone / ...

+################################################################################

+

+target = env["target"]

+if target in ["iphone-device", "iphone-simulator", "xcode"] :

+ # Extract/initialize all the information we need

+ if target == "xcode" :

+ # Get the information from the XCode environment

+ env["XCODE_PLATFORM_DEVELOPER_BIN_DIR"] = os.environ["PLATFORM_DEVELOPER_BIN_DIR"]

+ env["XCODE_SDKROOT"] = os.environ["SDKROOT"]

+ env["XCODE_ARCH_FLAGS"] = sum([["-arch", arch] for arch in os.environ["ARCHS"].split(" ")], [])

+ # Usae absolute path sources so Xcode can highlight compilation errors in swiften

+ env['CXXCOM'] = '$CXX -o $TARGET -c $CXXFLAGS $CCFLAGS $_CCCOMCOM ${SOURCES.abspath}'

+ else :

+ # Hard code values

+ env["XCODE_PLATFORM_DEVELOPER_BIN_DIR"] = "/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin"

+ if target == "iphone-device":

+ env["XCODE_ARCH_FLAGS"] = ["-arch", "armv6", "-arch", "armv7"]

+ sdkPart = "iPhoneOS"

+ else :

+ env["XCODE_ARCH_FLAGS"] = ["-arch", "i386"]

+ sdkPart = "iPhoneSimulator"

+ sdkVer = "4.3"

+ env["XCODE_SDKROOT"] = "/Developer/Platforms/" + sdkPart + ".platform/Developer/SDKs/" + sdkPart + sdkVer + ".sdk"

+

+ # Set the build flags

+ env["CC"] = "$XCODE_PLATFORM_DEVELOPER_BIN_DIR/gcc"

+ env["CXX"] = "$XCODE_PLATFORM_DEVELOPER_BIN_DIR/g++"

+ env["OBJCCFLAGS"] = ["-fobjc-abi-version=2", "-fobjc-legacy-dispatch"]

+ env["LD"] = env["CC"]

+ env.Append(CCFLAGS = env["XCODE_ARCH_FLAGS"] + ["-fvisibility=hidden"])

+ env.Append(LINKFLAGS = env["XCODE_ARCH_FLAGS"])

+ env.Append(CPPFLAGS = ["-isysroot", "$XCODE_SDKROOT"])

+ env.Append(FRAMEWORKS = ["CoreFoundation", "Foundation", "UIKit", "CoreGraphics"])

+ env.Append(LINKFLAGS = env["XCODE_ARCH_FLAGS"] + ["-isysroot", "$XCODE_SDKROOT", "-L\"$XCODE_SDKROOT/usr/lib\"", "-F\"$XCODE_SDKROOT/System/Library/Frameworks\"", "-F\"$XCODE_SDKROOT/System/Library/PrivateFrameworks\""])

+ # Bit of a hack, because BOOST doesn't know the endianness for ARM

+ env.Append(CPPDEFINES = ["_LITTLE_ENDIAN"])

+

+# CCache

+if env.get("ccache", False) :

+ env["ENV"]["HOME"] = os.environ["HOME"]

+ for var in os.environ :

+ if var.startswith("CCACHE_") :

+ env["ENV"][var] = os.environ[var]

+ if env.get("CC", "") != "" :

+ env["CC"] = "ccache " + env["CC"]

+ else :

+ env["CC"] = "ccache gcc"

+ if env.get("CXX", "") != "" :

+ env["CXX"] = "ccache " + env["CXX"]

+ else :

+ env["CC"] = "ccache g++"

+

+conf_env = env.Clone()

+

+Export("env")

+Export("conf_env")

+

+variant = ""

+if env["enable_variants"] :

+ fingerprint = ",".join([flag for flag in env["CXXFLAGS"] + env["CCFLAGS"] if not flag.startswith("-W") and not flag.startswith("-fvisibility")])

+ variant = "build/" + fingerprint

+ if not os.path.exists(Dir("#/build").abspath) :

+ os.mkdir(Dir("#/build").abspath)

+ if os.path.exists(Dir("#/build/current").abspath) :

+ os.unlink(Dir("#/build/current").abspath)

+ os.symlink(os.path.basename(variant), Dir("#/build/current").abspath)

+

+Return("variant")