+ swift-dev, Argyrios
> On Mar 21, 2016, at 8:06 PM, Andrew Hyatt <ahyatt...@icloud.com> wrote: > > swift-dev, > > 5e342aa fixed the CFLAGS issue for swift-llvm and it now compiles fine for > iOS. > > A remnant of the issue persists while building Swift. To get to that point I > copied over two headers not present in the iOS SDK (crt_externs.h and > histedit.h). Andrew, which compiler invocations prompted you to copy these files over? > While building swift, I get the following error: > > clang: error: invalid argument '-mmacosx-version-min=10.11' not allowed with > '-miphoneos-version-min=7.0’ > The arguments clang++ was launched with when the error occurred: > > https://gist.github.com/ahyattdev/f5084b1ee8b320f90961 It looks like some of the logic in SourceKit's build scripts is tripping up. Argyrios has done a lot of work on SourceKit, maybe he'll be able to spot the issue. vedant > Compiling LLVM works now, so maybe just one more change is needed to fix this > build system issue for swift. > > Thanks you, Apple! > > Also, great job on the 2.2 release and good luck with 3.0. > > Andrew Hyatt > ahyatt...@icloud.com > >> On Mar 19, 2016, at 4:30 PM, Vedant Kumar <v...@apple.com> wrote: >> >> >>> On Mar 19, 2016, at 12:05 PM, ChrisBieneman <be...@apple.com> wrote: >>> >>> [Adding Vedant directly] >>> >>> I'm not super familiar with the swift build scripts, but I have a theory of >>> what is going wrong. I think the problem is that compiler-rt is being built >>> during the cross build, and it really shouldn't be. >>> >>> The compiler-rt build system has some significant flaws, and it is being >>> reworked to resolve them. The problem causing this is that we have a hacked >>> up CMake build process that generates multiple cross-targeted binaries from >>> a single build configuration. I believe that compiler-rt's built-in hacky >>> cross-targeting is tripping over however swift is supporting >>> cross-targeting, and it is falling over. >>> >>> With the current state of compiler-rt the right way to build it for Darwin >>> is to treat it as host content, and it will build the Darwin-cross >>> libraries too. Then you can pull the cross-libraries out and put them into >>> the device build. >> >> Could you elaborate on what it means to treat it as host content? >> >> Is setting COMPILER_RT_HOST_TRIPLE and disabling >> COMPILER_RT_ENABLE_{I,TV,WATCH}OS the right thing to do? >> >> >>> Vedant, if you have questions feel free to swing by my office on Monday. >> >> Will do. >> >> >> thanks, >> vedant >> >>> -Chris >>> >>> On Mar 19, 2016, at 10:11 AM, Andrew Hyatt via swift-dev >>> <swift-dev@swift.org> wrote: >>> >>>> (From /u/thegreatbeanz on reddit.com/r/swift) >>>> >>>> So the problem here is actually that something has gone horribly wrong >>>> when configuring compiler- rt. >>>> You'll notice in the clang commands that it is building in this directory: >>>> clang_rt.builtins_armv7_10.4.dir >>>> What that means is it is building the clang_rt.10.4 archive which provides >>>> back ported library functions to OS X 10.4. Obviously 10.4 didn't support >>>> armv7 as an architecture, something has gone really wrong here. >>>> If you're on the latest swift it is probably a regression caused by >>>> 53f48f8. You need to email swift-dev to get support from Dmitri Gribenko >>>> and Vedant Kumar. >>>> Source: I wrote most of the compiler-rt builtin build system for Darwin. >>>> >>>> Andrew Hyatt >>>> ahyatt...@icloud.com >>>> >>>>> On Mar 19, 2016, at 9:26 AM, Andrew Hyatt via swift-dev >>>>> <swift-dev@swift.org> wrote: >>>>> >>>>> Building swift-llvm fails when using build-script to cross compile >>>>> because build-script wrongly gives duplicate -isysroot arguments. >>>>> >>>>> The full arguments that are given to clang by build-script while building >>>>> LLVM are here: https://gist.github.com/ahyattdev/8ecc5d3808b9ee543a60 >>>>> >>>>> The command I use to build the compiler, using the latest sources from >>>>> GitHub >>>>> >>>>> utils/build-script -R -i -- --cross-compile-tools-deployment-targets >>>>> "iphoneos-arm64 iphoneos-armv7 iphoneos-armv7s" >>>>> --user-config-args="-DLLVM_ENABLE_BACKTRACES=Off" >>>>> >>>>> This error occurs after the phase of building llvm for the host machine, >>>>> and occurs during the cross compilation phase. >>>>> >>>>> Andrew Hyatt >>>>> andythehy...@gmail.com >>>>> >>>>> _______________________________________________ >>>>> swift-dev mailing list >>>>> swift-dev@swift.org >>>>> https://lists.swift.org/mailman/listinfo/swift-dev >>>> >>>> _______________________________________________ >>>> swift-dev mailing list >>>> swift-dev@swift.org >>>> https://lists.swift.org/mailman/listinfo/swift-dev >> > _______________________________________________ swift-dev mailing list swift-dev@swift.org https://lists.swift.org/mailman/listinfo/swift-dev
