Hello,
I’m getting a segfault when importing sqlite using a swift system module and
the package manager.
I have the following directory structure with a trivial system module and
application:
CSqlite3/
Package.swift
module.modulemap
.git/
app/
Package.swift
main.swift
.git/
CSqlite3 is a system module I created with an empty Package.swift file, and
module.modulemap:
module CSqlite3 [system] {
header "/usr/include/sqlite3.h"
link "sqlite3"
export *
}
app/Package.swift contains:
import PackageDescription
let package = Package(
dependencies: [
.Package(url: "../CSqlite3", majorVersion: 1)
]
)
And main.swift contains:
import CSqlite3
print("hello world”)
The error I’m getting is:
$ swift build
Compiling Swift Module 'app' (1 sources)
0 swift 0x00000001026ea47b
llvm::sys::PrintStackTrace(llvm::raw_ostream&) + 43
1 swift 0x00000001026e9916 llvm::sys::RunSignalHandlers() +
70
2 swift 0x00000001026eaaa3 SignalHandler(int) + 243
3 libsystem_platform.dylib 0x00007fff8d25852a _sigtramp + 26
4 libsystem_platform.dylib 0x0000000000003c00 _sigtramp + 1926936304
5 swift 0x0000000100f0502d
clang::Preprocessor::MacroState::getModuleInfo(clang::Preprocessor&,
clang::IdentifierInfo const*) const + 189
6 swift 0x0000000100f04a76
clang::Preprocessor::getMacroDefinition(clang::IdentifierInfo const*) + 326
7 swift 0x0000000101872e50
clang::Preprocessor::HandleIdentifier(clang::Token&) + 320
8 swift 0x000000010181c4f4
clang::Lexer::LexIdentifier(clang::Token&, char const*) + 932
9 swift 0x0000000101822312
clang::Lexer::LexTokenInternal(clang::Token&, bool) + 8562
10 swift 0x00000001018734c4
clang::Preprocessor::Lex(clang::Token&) + 68
11 swift 0x00000001018442b7
clang::Preprocessor::ReadMacroName(clang::Token&, clang::MacroUse, bool*) + 55
12 swift 0x0000000101847630
clang::Preprocessor::HandleIfdefDirective(clang::Token&, bool, bool) + 48
13 swift 0x00000001018464f4
clang::Preprocessor::HandleDirective(clang::Token&) + 1124
14 swift 0x0000000101822966
clang::Lexer::LexTokenInternal(clang::Token&, bool) + 10182
15 swift 0x00000001018734c4
clang::Preprocessor::Lex(clang::Token&) + 68
16 swift 0x00000001011598bf
clang::Parser::ParseTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&) + 287
17 swift 0x00000001010db875 clang::ParseAST(clang::Sema&,
bool, bool) + 501
18 swift 0x0000000100f2eb72 clang::FrontendAction::Execute()
+ 66
19 swift 0x0000000100efaf43
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) + 979
20 swift 0x000000010268e98d
llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>) + 269
21 swift 0x000000010268ead0
RunSafelyOnThread_Dispatch(void*) + 48
22 swift 0x00000001026ebaed ExecuteOnThread_Dispatch(void*)
+ 13
23 libsystem_pthread.dylib 0x00007fff8ea2a9b1 _pthread_body + 131
24 libsystem_pthread.dylib 0x00007fff8ea2a92e _pthread_body + 0
25 libsystem_pthread.dylib 0x00007fff8ea28385 thread_start + 13
Stack dump:
0. /usr/include/sqlite3.h:76:2: current parser token 'ifndef'
<unknown>:0: error: unable to execute command: Segmentation fault: 11
<unknown>:0: error: compile command failed due to signal (use -v to see
invocation)
<unknown>:0: error: build had 1 command failures
swift-build: exit(1):
["/Library/Developer/Toolchains/swift-2.2-SNAPSHOT-2015-12-01-a.xctoolchain/usr/bin/swift-build-tool",
"-f", "/Users/mbuhot/source/app/.build/debug/app.o/llbuild.yaml”]
Is this a bug or have I messed something up?
Help much appreciated!
Mike Buhot
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