[swift-dev] master fails to build

Michael Gottesman mgottesman at apple.com
Mon Feb 13 12:04:52 CST 2017 

> On Feb 13, 2017, at 4:10 AM, Kevin Hendry <kevin at lugnut.io> wrote:
> 
> Heh. I’ll just retreat to my noob hovel and try that then. Thanks.

There is no such a thing as a noob hovel. ; ). We all are learning = ), and who knows this may be actually a documentation error (see below).

In case you are curious: the reason I guessed that it was an SDK issue is that it seemed that the overlays were expecting the SDK to provide something that either was not there or was different. In such cases, it is always a good thing to check.

As DaveA always says:
HTH

Michael

> The getting started section says you need the latest Xcode, but I didn’t realize that meant betas as well. I’d assumed it was the latest release. 

Mishal, maybe we should update the README to spell this out explicitly. Thoughts?

> 
> On Feb 13, 2017, 1:24 AM -0500, mishal_shah <mishal_shah at apple.com>, wrote:
>> Hi, 
>> 
>> You will need Xcode 8.3 beta 2 (https://developer.apple.com/download/ <https://developer.apple.com/download/>).
>> 
>> Thanks, 
>> Mishal Shah
>>> On Feb 12, 2017, at 9:17 PM, Kevin Hendry via swift-dev <swift-dev at swift.org <mailto:swift-dev at swift.org>> wrote:
>>> 
>>> I'm not. Is this the part where you tell me I should be?
>>> 
>>> 
>>> On Feb 12, 2017, 11:53 PM -0500, Michael Gottesman via swift-dev <swift-dev at swift.org <mailto:swift-dev at swift.org>>, wrote:
>>>> Just a stab in the dark, but are you using the latest beta SDK?
>>>> 
>>>> Michael
>>>> 
>>>>> On Feb 11, 2017, at 5:03 PM, Ben Ng via swift-dev <swift-dev at swift.org <mailto:swift-dev at swift.org>> wrote:
>>>>> 
>>>>> Hi Greg,
>>>>> 
>>>>> Thanks for the tip. It fails in a different way now:
>>>>> 
>>>>> FAILED: stdlib/public/SDK/SafariServices/macosx/x86_64/SafariServices.o
>>>>> 
>>>>> /Users/ben/Documents/code/swift-sources/build/Ninja-ReleaseAssert/swift-macosx-x86_64/./lib/swift/shims/SafariServicesOverlayShims.h:18:68: error: unknown type name 'SFSafariServicesVersion'
>>>>> static inline bool _swift_SafariServices_isSafariServicesAvailable(SFSafariServicesVersion version) {
>>>>>                                                                    ^
>>>>> <module-includes>:1:9: note: in file included from <module-includes>:1:
>>>>> #import "SafariServicesOverlayShims.h"
>>>>>         ^
>>>>> /Users/ben/Documents/code/swift-sources/build/Ninja-ReleaseAssert/swift-macosx-x86_64/./lib/swift/shims/SafariServicesOverlayShims.h:19:18: error: use of undeclared identifier 'SFSafariServicesVersion10_0'
>>>>>   if (version == SFSafariServicesVersion10_0) {
>>>>>                  ^
>>>>> <module-includes>:1:9: note: in file included from <module-includes>:1:
>>>>> #import "SafariServicesOverlayShims.h"
>>>>>         ^
>>>>> /Users/ben/Documents/code/swift-sources/build/Ninja-ReleaseAssert/swift-macosx-x86_64/./lib/swift/shims/SafariServicesOverlayShims.h:23:3: error: use of undeclared identifier 'SFSafariServicesVersion'
>>>>>   SFSafariServicesVersion* latestVersion = &_SFSafariServicesVersion;
>>>>>   ^
>>>>> <module-includes>:1:9: note: in file included from <module-includes>:1:
>>>>> #import "SafariServicesOverlayShims.h"
>>>>>         ^
>>>>> /Users/ben/Documents/code/swift-sources/build/Ninja-ReleaseAssert/swift-macosx-x86_64/./lib/swift/shims/SafariServicesOverlayShims.h:23:28: error: use of undeclared identifier 'latestVersion'
>>>>>   SFSafariServicesVersion* latestVersion = &_SFSafariServicesVersion;
>>>>>                            ^
>>>>> <module-includes>:1:9: note: in file included from <module-includes>:1:
>>>>> #import "SafariServicesOverlayShims.h"
>>>>>         ^
>>>>> /Users/ben/Documents/code/swift-sources/build/Ninja-ReleaseAssert/swift-macosx-x86_64/./lib/swift/shims/SafariServicesOverlayShims.h:23:45: error: use of undeclared identifier '_SFSafariServicesVersion'
>>>>>   SFSafariServicesVersion* latestVersion = &_SFSafariServicesVersion;
>>>>>                                             ^
>>>>> <module-includes>:1:9: note: in file included from <module-includes>:1:
>>>>> #import "SafariServicesOverlayShims.h"
>>>>>         ^
>>>>> /Users/ben/Documents/code/swift-sources/build/Ninja-ReleaseAssert/swift-macosx-x86_64/./lib/swift/shims/SafariServicesOverlayShims.h:24:15: error: use of undeclared identifier 'latestVersion'; did you mean 'ICGetVersion'?
>>>>>   if (NULL == latestVersion) {
>>>>>               ^
>>>>> /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.12.sdk/System/Library/Frameworks/ApplicationServices.framework/Frameworks/HIServices.framework/Headers/InternetConfig.h:711:1: note: 'ICGetVersion' declared here
>>>>> ICGetVersion(
>>>>> ^
>>>>> <module-includes>:1:9: note: in file included from <module-includes>:1:
>>>>> #import "SafariServicesOverlayShims.h"
>>>>>         ^
>>>>> /Users/ben/Documents/code/swift-sources/build/Ninja-ReleaseAssert/swift-macosx-x86_64/./lib/swift/shims/SafariServicesOverlayShims.h:24:15: warning: comparison of function 'ICGetVersion' equal to a null pointer is always false
>>>>>   if (NULL == latestVersion) {
>>>>>               ^
>>>>> /Users/ben/Documents/code/swift-sources/build/Ninja-ReleaseAssert/swift-macosx-x86_64/./lib/swift/shims/SafariServicesOverlayShims.h:24:15: note: prefix with the address-of operator to silence this warning
>>>>>   if (NULL == latestVersion) {
>>>>>               ^
>>>>> <module-includes>:1:9: note: in file included from <module-includes>:1:
>>>>> #import "SafariServicesOverlayShims.h"
>>>>>         ^
>>>>> /Users/ben/Documents/code/swift-sources/build/Ninja-ReleaseAssert/swift-macosx-x86_64/./lib/swift/shims/SafariServicesOverlayShims.h:28:11: error: use of undeclared identifier 'latestVersion'; did you mean 'ICGetVersion'?
>>>>>   return *latestVersion >= version;
>>>>>           ^
>>>>> /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.12.sdk/System/Library/Frameworks/ApplicationServices.framework/Frameworks/HIServices.framework/Headers/InternetConfig.h:711:1: note: 'ICGetVersion' declared here
>>>>> ICGetVersion(
>>>>> ^
>>>>> /Users/ben/Documents/code/swift-sources/swift/stdlib/public/SDK/SafariServices/SafariServices.swift:14:8: error: could not build Objective-C module '_SwiftSafariServicesOverlayShims'
>>>>> import _SwiftSafariServicesOverlayShims
>>>>>        ^
>>>>> 
>>>>> Ben Ng
>>>>> 
>>>>> On Feb 11, 2017, 3:59 PM -0500, Greg Parker <gparker at apple.com <mailto:gparker at apple.com>>, wrote:
>>>>>> 
>>>>>>> On Feb 11, 2017, at 10:46 AM, Ben Ng via swift-dev <swift-dev at swift.org <mailto:swift-dev at swift.org>> wrote:
>>>>>>> 
>>>>>>> I can’t seem to build master right now:
>>>>>>> 
>>>>>>> git pull
>>>>>>> ./utils/update-checkout --clone-with-ssh
>>>>>>> ./utils/build-script --release --assertions
>>>>>>> 
>>>>>>> (…)
>>>>>>> 
>>>>>>> [17/558] Linking CXX shared library lib/swift/macosx/x86_64/libswiftCore.dylib
>>>>>>> FAILED: lib/swift/macosx/x86_64/libswiftCore.dylib
>>>>>>> Undefined symbols for architecture x86_64:
>>>>>>>   "llvm::EnableABIBreakingChecks", referenced from:
>>>>>>>       llvm::VerifyEnableABIBreakingChecks in Casting.cpp.o
>>>>>>>       llvm::VerifyEnableABIBreakingChecks in Demangle.cpp.o
>>>>>>>       llvm::VerifyEnableABIBreakingChecks in Metadata.cpp.o
>>>>>>>       llvm::VerifyEnableABIBreakingChecks in MetadataLookup.cpp.o
>>>>>>>       llvm::VerifyEnableABIBreakingChecks in Remangle.cpp.o
>>>>>>>       llvm::VerifyEnableABIBreakingChecks in SwiftNativeNSXXXBase.mm.o
>>>>>>> 
>>>>>>> Is anyone else running into this?
>>>>>> 
>>>>>> This was a hiccup after an LLVM change a few weeks ago. Try deleting your entire build directory and rebuilding.
>>>>>> 
>>>>>> 
>>>>>> -- 
>>>>>> Greg Parker     gparker at apple.com <mailto:gparker at apple.com>     Runtime Wrangler
>>>>>> 
>>>>>> 
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>>>> 
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