Activate the ability to integrate libdispatch (#424)

Author: seabaylea

build.py

@@ -68,19 +68,19 @@
 foundation.LDFLAGS += '-lpthread -ldl -lm -lswiftCore -lxml2 '
 
 # Configure use of Dispatch in CoreFoundation and Foundation if libdispatch is being built
-#if "LIBDISPATCH_SOURCE_DIR" in Configuration.current.variables:
-#	foundation.CFLAGS += " "+" ".join([
-#		'-DDEPLOYMENT_ENABLE_LIBDISPATCH',
-#		'-I'+Configuration.current.variables["LIBDISPATCH_SOURCE_DIR"],
-#		'-I'+Configuration.current.variables["LIBDISPATCH_BUILD_DIR"]+'/tests'  # for include of dispatch/private.h in CF
-#	])
-#	swift_cflags += ([
-#		'-DDEPLOYMENT_ENABLE_LIBDISPATCH',
-#		'-I'+Configuration.current.variables["LIBDISPATCH_SOURCE_DIR"],
-#		'-I'+Configuration.current.variables["LIBDISPATCH_BUILD_DIR"]+'/src',
-#		'-Xcc -fblocks'
-#	])
-#	foundation.LDFLAGS += '-ldispatch -L'+Configuration.current.variables["LIBDISPATCH_BUILD_DIR"]+'/src/.libs -rpath \$$ORIGIN '
+if "LIBDISPATCH_SOURCE_DIR" in Configuration.current.variables:
+	foundation.CFLAGS += " "+" ".join([
+		'-DDEPLOYMENT_ENABLE_LIBDISPATCH',
+		'-I'+Configuration.current.variables["LIBDISPATCH_SOURCE_DIR"],
+		'-I'+Configuration.current.variables["LIBDISPATCH_BUILD_DIR"]+'/tests'  # for include of dispatch/private.h in CF
+	])
+	swift_cflags += ([
+		'-DDEPLOYMENT_ENABLE_LIBDISPATCH',
+		'-I'+Configuration.current.variables["LIBDISPATCH_SOURCE_DIR"],
+		'-I'+Configuration.current.variables["LIBDISPATCH_BUILD_DIR"]+'/src',
+		'-Xcc -fblocks'
+	])
+	foundation.LDFLAGS += '-ldispatch -L'+Configuration.current.variables["LIBDISPATCH_BUILD_DIR"]+'/src/.libs -rpath \$$ORIGIN '
 
 foundation.SWIFTCFLAGS = " ".join(swift_cflags)