<div dir="ltr">Up until a few days ago, running <font face="monospace, monospace">&#39;util/build-script --libdispatch&#39;</font> completed successfully.<div><br></div><div>Now it fails, generating the following errors. Any ideas on how to resolve these? Or other ways people are using to build libdispatch at the moment? Thanks!</div><div><br></div><div><div><font face="monospace, monospace">/bin/bash ../libtool  --tag=CXX   --mode=compile /build/Ninja-DebugAssert/llvm-linux-x86_64/bin/clang++ -DHAVE_CONFIG_H -I. -I//swift-corelibs-libdispatch/src -I../config  -I.. -I//swift-corelibs-libdispatch -I//swift-corelibs-libdispatch/private -DDISPATCH_USE_DTRACE=0 -I//swift-corelibs-libdispatch/libpwq/include -Wall -fvisibility=hidden -momit-leaf-frame-pointer  -I/usr/include/kqueue -isystem /usr/include/bsd -DLIBBSD_OVERLAY -fblocks -std=gnu++11 -fno-exceptions -g -O2 -c -o swift/libdispatch_la-DispatchStubs.lo `test -f &#39;swift/DispatchStubs.cc&#39; || echo &#39;//swift-corelibs-libdispatch/src/&#39;`swift/DispatchStubs.cc</font></div><div><font face="monospace, monospace">libtool: compile:  /build/Ninja-DebugAssert/llvm-linux-x86_64/bin/clang++ -DHAVE_CONFIG_H -I. -I//swift-corelibs-libdispatch/src -I../config -I.. -I//swift-corelibs-libdispatch -I//swift-corelibs-libdispatch/private -DDISPATCH_USE_DTRACE=0 -I//swift-corelibs-libdispatch/libpwq/include -Wall -fvisibility=hidden -momit-leaf-frame-pointer -I/usr/include/kqueue -isystem /usr/include/bsd -DLIBBSD_OVERLAY -fblocks -std=gnu++11 -fno-exceptions -g -O2 -c //swift-corelibs-libdispatch/src/swift/DispatchStubs.cc  -fPIC -DPIC -o swift/.libs/libdispatch_la-DispatchStubs.o</font></div><div><font face="monospace, monospace">/build/Ninja-DebugAssert/swift-linux-x86_64/bin/swiftc -frontend -c //swift-corelibs-libdispatch/src/swift/Block.swift //swift-corelibs-libdispatch/src/swift/Data.swift //swift-corelibs-libdispatch/src/swift/Dispatch.swift //swift-corelibs-libdispatch/src/swift/IO.swift //swift-corelibs-libdispatch/src/swift/Private.swift //swift-corelibs-libdispatch/src/swift/Queue.swift //swift-corelibs-libdispatch/src/swift/Source.swift //swift-corelibs-libdispatch/src/swift/Time.swift //swift-corelibs-libdispatch/src/swift/Wrapper.swift -primary-file //swift-corelibs-libdispatch/src/swift/Block.swift \</font></div><div><font face="monospace, monospace">-Xcc -fmodule-map-file=//swift-corelibs-libdispatch/dispatch/module.modulemap -I//swift-corelibs-libdispatch -Xcc -fblocks -module-name Dispatch -module-link-name dispatch \</font></div><div><font face="monospace, monospace">-o /build/Ninja-DebugAssert/libdispatch-linux-x86_64/src/swift/Block.o -emit-module-path /build/Ninja-DebugAssert/libdispatch-linux-x86_64/src/swift/Block.o.~partial.swiftmodule \</font></div><div><font face="monospace, monospace">-emit-module-doc-path /build/Ninja-DebugAssert/libdispatch-linux-x86_64/src/swift/Block.o.~partial.swiftdoc -emit-dependencies-path /build/Ninja-DebugAssert/libdispatch-linux-x86_64/src/swift/Block.o.d \</font></div><div><font face="monospace, monospace">-emit-reference-dependencies-path /build/Ninja-DebugAssert/libdispatch-linux-x86_64/src/swift/Block.o.swiftdeps \</font></div><div><font face="monospace, monospace">-module-cache-path ..</font></div><div><font face="monospace, monospace">&lt;module-includes&gt;:1:10: note: in file included from &lt;module-includes&gt;:1:</font></div><div><font face="monospace, monospace">#include &quot;dispatch.h&quot;</font></div><div><font face="monospace, monospace">         ^</font></div><div><font face="monospace, monospace">//swift-corelibs-libdispatch/dispatch/dispatch.h:99:10: error: &#39;os/object.h&#39; file not found</font></div><div><font face="monospace, monospace">#include &lt;os/object.h&gt;</font></div><div><font face="monospace, monospace">         ^</font></div><div><font face="monospace, monospace">//swift-corelibs-libdispatch/src/swift/Block.swift:13:8: error: could not build Objective-C module &#39;CDispatch&#39;</font></div><div><font face="monospace, monospace">import CDispatch</font></div><div><font face="monospace, monospace">       ^</font></div><div><font face="monospace, monospace">Makefile:956: recipe for target &#39;/build/Ninja-DebugAssert/libdispatch-linux-x86_64/src/swift/Block.o&#39; failed</font></div></div><div><br></div></div>