[swift-dev] [swift-lldb-dev] Building and running swift-lldb from Xcode not working :(

Rex Fenley rex at remind101.com
Fri Oct 7 12:56:50 CDT 2016 

Filed a bug https://bugs.swift.org/browse/SR-2891 :)

On Wed, Oct 5, 2016 at 4:09 PM, Todd Fiala <tfiala at apple.com> wrote:

>
> On Oct 5, 2016, at 3:20 PM, Rex Fenley via swift-lldb-dev <
> swift-lldb-dev at swift.org> wrote:
>
> I'm using the most recent cmake. I also blew away the lldb directory and
> tried to rebuild but still ended up with "error: unknown setting:
> cmark-cmake-options" when building desktop :(
>
>
> Okay.  I think you want to take that up with the swift-dev group.
>
> Swift-dev folks - any of you know anything about the build-script error
> that Rex has reported?  He’s getting this on a clean build tree: "error:
> unknown setting: cmark-cmake-options”.
>
> Rex, can you file a radar on bugs.swift.org?
>
> Thanks!
>
> -Todd
>
> On Wed, Oct 5, 2016 at 2:48 PM, Todd Fiala <tfiala at apple.com> wrote:
>
>>
>> On Oct 5, 2016, at 2:36 PM, Rex Fenley <rex at remind101.com> wrote:
>>
>> Hey Todd, thanks for the info!
>>
>> I was attempting to build from the LLDM scheme. The only errors were the
>> two I provided, I'll post more information at the bottom. When trying the
>> "desktop" scheme I get the following:
>>
>>
>> Okay - switch to the desktop scheme; otherwise, you’ll be missing some
>> components.  (That is not particularly well documented - the LLDB scheme is
>> literally for the LLDB.framework, but not everything).
>>
>> "debugserver" isn't code signed but requires entitlements. It is not
>> possible to add entitlements to a binary without signing it.
>>
>>
>> You have a couple options there.
>>
>> 1. If you follow the docs in lldb/docs/code-signing.txt, your debugserver
>> will be usable regardless of that message.
>>
>> 2. [Preferred] Alternatively, you can set the Xcode build variable
>> DEBUGSERVER_USE_FROM_SYSTEM=1, either via an xcodebuild command line, or by
>> setting it directly in your Xcode settings.  It’s not enough for it to be
>> an environment variable set.  If you go with this, the debugserver will be
>> copied from your Xcode into the built LLDB, which will then be an official
>> Apple-signed debugserver.  Unless you are changing debugserver, that is
>> generally the way to go.  A fair amount of the Swift CI runs in this
>> configuration.  (Although not everything, as we really do change
>> debugserver and want to test those changes.)
>>
>> The xcodebuild line with that set would be:
>> $ cd your/lldb/source/root
>> $ xcodebuild -scheme desktop DEBUGSERVER_USE_FROM_SYSTEM=1
>>
>> Let me know if that gets you further.
>>
>>
>> I don't know if syncing is the issue, I simply git cloned swift-lldb from
>> github and went to the tag "*swift-3.0-RELEASE"* and built.
>>
>> more info from LLDB scheme errors:
>>
>> bootstrapping ninja...
>>
>> warning: A compatible version of re2c (>= 0.11.3) was not found; changes
>> to src/*.in.cc will not affect your build.
>>
>> wrote build.ninja.
>>
>> bootstrap complete.  rebuilding...
>>
>> + popd
>>
>> + env HOST_VARIABLE_macosx_x86_64__SWIFT_BENCHMARK_TARGETS=swift-benchmark-macosx-x86_64
>> HOST_VARIABLE_macosx_x86_64__SWIFT_RUN_BENCHMARK_TARGETS=che
>> ck-swift-benchmark-macosx-x86_64 'HOST_VARIABLE_macosx_x86_64__SWIFT_SDKS=IOS
>> IOS_SIMULATOR OSX TVOS TVOS_SIMULATOR WATCHOS WATCHOS_SIMULATOR'
>> HOST_VARIABLE_macosx_x86_64__SWIFT_STDLIB_TARGETS=swift-test-stdlib-macosx-x86_64
>> HOST_VARIABLE_macosx_x86_64__SWIFT_TEST_TARGETS= caffeinate
>> /Users/Rex/Documents/projects/swift-lldb/swift/utils/build-script-impl
>> --workspace /Users/Rex/Documents/projects/swift-lldb --build-dir
>> /Users/Rex/Documents/projects/swift-lldb/llvm-build/Ninja-RelWithDebInfoAssert
>> --install-prefix /Applications/Xcode.app/Conten
>> ts/Developer/Toolchains/XcodeDefault.xctoolchain/usr --host-target
>> macosx-x86_64 --stdlib-deployment-targets 'macosx-x86_64
>> iphonesimulator-i386 iphonesimulator-x86_64 appletvsimulator-x86_64
>> watchsimulator-i386 iphoneos-armv7 iphoneos-armv7s iphoneos-arm64
>> appletvos-arm64 watchos-armv7k' --host-cc /Applications/Xcode.app/Conten
>> ts/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang
>> --host-cxx /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeD
>> efault.xctoolchain/usr/bin/clang++ --darwin-xcrun-toolchain default
>> --darwin-deployment-version-osx=10.9 --darwin-deployment-version-ios=7.0
>> --darwin-deployment-version-tvos=9.0 --darwin-deployment-version-watchos=2.0
>> --cmake /usr/local/bin/cmake --cmark-build-type RelWithDebInfo
>> --llvm-build-type RelWithDebInfo --swift-build-type RelWithDebInfo
>> --swift-stdlib-build-type RelWithDebInfo --lldb-build-type RelWithDebInfo
>> --foundation-build-type RelWithDebInfo --libdispatch-build-type
>> RelWithDebInfo --xctest-build-type RelWithDebInfo --swift-enable-assertions
>> true --swift-stdlib-enable-assertions true --swift-analyze-code-coverage
>> false --cmake-generator Ninja --build-jobs 8 '--common-cmake-options=-G
>> Ninja -DCMAKE_C_COMPILER:PATH=/Applications/Xcode.app/Contents/
>> Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang
>> -DCMAKE_CXX_COMPILER:PATH=/Applications/Xcode.app/Contents/
>> Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang++
>> -DCMAKE_MAKE_PROGRAM=/Users/Rex/Documents/projects/swift-lld
>> b/llvm-build/Ninja-RelWithDebInfoAssert/ninja-build/ninja'
>> --build-args=-j8 --cmark-cmake-options= '--llvm-cmake-options=-DLLVM_ENABLE_ASSERTIONS=TRUE
>> -DLLVM_TARGETS_TO_BUILD=X86;ARM;AArch64;PowerPC;SystemZ'
>> --swift-cmake-options= --build-stdlib-deployment-targets all
>> --ninja-bin=/Users/Rex/Documents/projects/swift-lldb/llvm-
>> build/Ninja-RelWithDebInfoAssert/ninja-build/ninja
>> --skip-build-benchmarks --skip-build-foundation --skip-build-xctest
>> --skip-build-lldb --skip-build-llbuild --skip-build-libdispatch
>> --skip-build-swiftpm --skip-build-playgroundlogger
>> --skip-build-playgroundsupport --build-swift-dynamic-stdlib
>> --build-swift-dynamic-sdk-overlay --skip-build-ios-device
>> --skip-build-ios-simulator --skip-build-tvos-device
>> --skip-build-tvos-simulator --skip-build-watchos-device
>> --skip-build-watchos-simulator --skip-build-android --skip-test-swift
>> --skip-test-cmark --skip-test-lldb --skip-test-llbuild --skip-test-swiftpm
>> --skip-test-xctest --skip-test-foundation --skip-test-libdispatch
>> --skip-test-playgroundlogger --skip-test-playgroundsupport
>> --skip-test-linux --skip-test-freebsd --skip-test-cygwin --skip-test-osx
>> --skip-test-ios-host --skip-test-ios-simulator --skip-test-tvos-host
>> --skip-test-tvos-simulator --skip-test-watchos-host
>> --skip-test-watchos-simulator --skip-test-android-host
>> --skip-test-benchmarks --skip-test-optimized --android-deploy-device-path
>> /data/local/tmp --toolchain-prefix /Applications/Xcode.app/Conten
>> ts/Developer/Toolchains/XcodeDefault.xctoolchain
>> --install-destdir=/Users/Rex/Documents/projects/swift-lldb/l
>> lvm-build/ReleaseAssert/swift-macosx-x86_64 --llvm-lit-args=-sv
>>
>> error: unknown setting: cmark-cmake-options
>>
>>
>> Two more things to check.
>>
>> 1. Are you using a very recent version of cmake?  I’d suggest going with
>> the latest one available (should be at least 3.6.x).
>>
>> 2. Blow away your lldb/llvm-build directory.  You may have a stale cmake
>> setup.  We’ve had a few usage issues with cmake where our build isn’t
>> properly handling modifications to the cmake files in a stable way.  The
>> net result is you can get cmake ninja setups that get confused.
>>
>> Otherwise, you may need to ping the swift-dev list, since this is a
>> failure in the LLVM/clang/Swift build step as built with build-script from
>> Swift.
>>
>> All the same, let me know if you get further with any of these.
>>
>> -Todd
>>
>>
>> On Wed, Oct 5, 2016 at 1:58 PM, Todd Fiala <tfiala at apple.com> wrote:
>>
>>>
>>> On Oct 5, 2016, at 1:50 PM, Todd Fiala <tfiala at apple.com> wrote:
>>>
>>>
>>> On Oct 5, 2016, at 1:41 PM, Rex Fenley via swift-lldb-dev <
>>> swift-lldb-dev at swift.org> wrote:
>>>
>>> Hey swift lldb team!
>>>
>>> I tried building the LLDB target from within Xcode. However, I get the
>>> following error during compilation:
>>>
>>> subprocess.CalledProcessError: Command '['python',
>>> '/Users/Rex/Documents/projects/swift-lldb/llvm/tools/swift/utils/build-script',
>>> '--preset=LLDB_Swift_ReleaseAssert', 'swift_install_destdir=/Users/
>>> Rex/Documents/projects/swift-lldb/llvm-build/ReleaseAssert/swift-macosx-x86_64']'
>>> returned non-zero exit status 1
>>>
>>>
>>> That message indicates that the LLVM/clang/Swift build portion of the
>>> Xcode-driven build failed.  There should be actual failure content from
>>> build-script somewhere above the ‘exit status 1’ portion.  You might need
>>> to go to your build log (the Report Navigator, right-most
>>> speech-bubble-like icon from the left pane of Xcode).  There should be a
>>> build log that details everything the Xcode build did, of which running the
>>> build-script is one stage.
>>>
>>> Just to verify, what Xcode scheme and/or configuration are you
>>> building?  It should be the ‘desktop’ scheme, which will default to the
>>> DebugClang (or maybe Debug) configuration.
>>>
>>>
>>> The other thing that might be the issue may be the state of the llvm,
>>> clang, swift and cmark repositories.  If your original check-out was via
>>> lldb, then it will automatically do a git clone of the relevant dependent
>>> projects for you.  However, it will not update them.  So, if you allowed
>>> the lldb build to sync those, then did a refresh of lldb much later, and
>>> didn’t manually update the llvm, clang, swift or cmark directory, you will
>>> have an out-of-sync composite source tree.
>>>
>>> For the Xcode-driven build, the source layout looks like:
>>> lldb/
>>> lldb/llvm
>>> lldb/llvm/tools/clang
>>> lldb/llvm/tools/cmark
>>> lldb/llvm/tools/swift
>>>
>>> There will be symlinks in the lldb/ directory to the clang and swift
>>> directories.
>>>
>>> You’ll want to make sure you update all of those at roughly the same
>>> time.  That might be a good place to start if this sounds like it might be
>>> your scenario.
>>>
>>> And much further up I see
>>>
>>> warning: A compatible version of re2c (>= 0.11.3) was not found; changes
>>> to src/*.in.cc will not affect your build.
>>>
>>> and
>>>
>>> error: unknown setting: cmark-cmake-options
>>>
>>> How may I fix this/these issues to build and run lldb from Xcode?
>>>
>>> Thanks :)
>>>
>>> --
>>> Rex Fenley  |  IOS DEVELOPER
>>>
>>> Remind.com <https://www.remind.com/> |  BLOG <http://blog.remind.com/>
>>>  |  FOLLOW US <https://twitter.com/remindhq>  |  LIKE US
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>>> _______________________________________________
>>> swift-lldb-dev mailing list
>>> swift-lldb-dev at swift.org
>>> https://lists.swift.org/mailman/listinfo/swift-lldb-dev
>>>
>>>
>>>
>>>
>>
>>
>> --
>> Rex Fenley  |  IOS DEVELOPER
>>
>> Remind.com <https://www.remind.com/> |  BLOG <http://blog.remind.com/>
>>  |  FOLLOW US <https://twitter.com/remindhq>  |  LIKE US
>> <https://www.facebook.com/remindhq>
>>
>>
>>
>
>
> --
> Rex Fenley  |  IOS DEVELOPER
>
> Remind.com <https://www.remind.com/> |  BLOG <http://blog.remind.com/>  |
>  FOLLOW US <https://twitter.com/remindhq>  |  LIKE US
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>
>
>


-- 

Rex Fenley  |  IOS DEVELOPER

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