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[SR-2192] Swift's LLDB cannot import system modules and prevents debugging #4589

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swift-ci opened this issue Jul 27, 2016 · 2 comments
Closed

[SR-2192] Swift's LLDB cannot import system modules and prevents debugging #4589

swift-ci opened this issue Jul 27, 2016 · 2 comments
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bug Something isn't working Linux LLDB for Swift

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@swift-ci
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Previous ID SR-2192
Radar None
Original Reporter bryanpkc (JIRA User)
Type Bug
Status Resolved
Resolution Duplicate
Environment

Swift version 3.0-dev
lldb-local-2016-07-20 (LLDB da120cf914, LLVM 8d0086ac3e, Clang 460d629e85)
Ubuntu 16.04 x86_64

Additional Detail from JIRA
Votes 12
Component/s LLDB for Swift
Labels Bug, Linux
Assignee None
Priority Medium

md5: 618c57260fe89aa7a5a6e9c831c74795

duplicates:

  • SR-3280 Package manager should link main swiftmodule in executables

relates to:

  • SR-3169 lldb stops working when C module includes a header outside of module's include/ dir

Issue Description:

I have a Swift program ("Bar") that uses a Swift module ("Foo") that in turn depends on a C library ("CFoo"). I use Swift Package Manager to build the Bar package (according to the official instructions), which works, and the Bar executable runs. But while using LLDB to debug Bar, I encountered the following errors (yes, LLDB is omitting a newline character at the end of the first line of the output):

(lldb) p someVar
warning: Swift error in module FooDebug info from this module will be unavailable in the debugger.

error: in auto-import:
failed to get module 'Foo' from AST context:
error: missing required module 'CFoo'
@swift-ci
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swift-ci commented Oct 3, 2016

Comment by Matthew Burke (JIRA)

I've encountered the same issue in the following environment:

swift -v: Apple Swift version 3.0 (swiftlang-800.0.46.2 clang-800.0.38)
Target: x86_64-apple-macosx10.9
lldb -v: lldb-360.1.50
OS: El Capitan (10.11.6)

@swift-ci
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Comment by Shmuel Kallner (JIRA)

We ae experiencing this same issue with Kitura's sample Kitura-Sample.This happens with either Kitura-Sample 1.2, which uses Kitura 1.2 which has a dependency with C code in the same repositories as Swift code. However, this also happens with Kitura-Sample 1.1, which uses Kitura 1.1, which in turn has all C code in separate repositories.

My environment on macOS is:
swift -v: Apple Swift version 3.0.1 (swiftlang-800.0.58.6 clang-800.0.42.1)
Target: x86_64-apple-macosx10.9
lldb -v: lldb-360.1.65
OS: Sierra (10.12.1)

My environment on Linux is:
swift -v: Swift version 3.0.1 (swift-3.0.1-RELEASE)
Target: x86_64-unknown-linux-gnu
lldb -v: lldb (swift-3.0.1-RELEASE)
OS: Ubuntu 16.04

The steps to recreate the issue without any C code in the same repositories as Swift code is:

  1. git clone -b 1.1.0 git@github.com:IBM-Swift/Kitura-Sample.git
  2. cd Kitura-Sample
  3. swift build
  4. lldb .build/debug/Kitura-Sample
  5. b main.swift:36
  6. r
  7. p router

@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
@shahmishal shahmishal transferred this issue from apple/swift May 7, 2022
This issue was closed.
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