Skip to content

Document setting for allowing use of explicit modules with c++ interop #521

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
May 22, 2025
Merged
Show file tree
Hide file tree
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
4 changes: 2 additions & 2 deletions Sources/SWBCore/Settings/BuiltinMacros.swift
Original file line number Diff line number Diff line change
Expand Up @@ -1014,7 +1014,7 @@ public final class BuiltinMacros {
public static let SWIFT_USE_INTEGRATED_DRIVER = BuiltinMacros.declareBooleanMacro("SWIFT_USE_INTEGRATED_DRIVER")
public static let SWIFT_EAGER_MODULE_EMISSION_IN_WMO = BuiltinMacros.declareBooleanMacro("SWIFT_EAGER_MODULE_EMISSION_IN_WMO")
public static let SWIFT_ENABLE_EXPLICIT_MODULES = BuiltinMacros.declareEnumMacro("SWIFT_ENABLE_EXPLICIT_MODULES") as EnumMacroDeclaration<SwiftEnableExplicitModulesSetting>
public static let _SWIFT_EXPLICIT_MODULES_ALLOW_CXX_INTEROP = BuiltinMacros.declareBooleanMacro("_SWIFT_EXPLICIT_MODULES_ALLOW_CXX_INTEROP")
public static let SWIFT_EXPLICIT_MODULES_ALLOW_CXX_INTEROP = BuiltinMacros.declareBooleanMacro("SWIFT_EXPLICIT_MODULES_ALLOW_CXX_INTEROP")
public static let _SWIFT_EXPLICIT_MODULES_ALLOW_BEFORE_SWIFT_5 = BuiltinMacros.declareBooleanMacro("_SWIFT_EXPLICIT_MODULES_ALLOW_BEFORE_SWIFT_5")
public static let _EXPERIMENTAL_SWIFT_EXPLICIT_MODULES = BuiltinMacros.declareEnumMacro("_EXPERIMENTAL_SWIFT_EXPLICIT_MODULES") as EnumMacroDeclaration<SwiftEnableExplicitModulesSetting>
public static let SWIFT_ENABLE_TESTABILITY = BuiltinMacros.declareBooleanMacro("SWIFT_ENABLE_TESTABILITY")
Expand Down Expand Up @@ -2172,7 +2172,7 @@ public final class BuiltinMacros {
SWIFT_USE_INTEGRATED_DRIVER,
SWIFT_EAGER_MODULE_EMISSION_IN_WMO,
SWIFT_ENABLE_EXPLICIT_MODULES,
_SWIFT_EXPLICIT_MODULES_ALLOW_CXX_INTEROP,
SWIFT_EXPLICIT_MODULES_ALLOW_CXX_INTEROP,
_SWIFT_EXPLICIT_MODULES_ALLOW_BEFORE_SWIFT_5,
_EXPERIMENTAL_SWIFT_EXPLICIT_MODULES,
SWIFT_ENABLE_BARE_SLASH_REGEX,
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -1377,7 +1377,7 @@ public final class SwiftCompilerSpec : CompilerSpec, SpecIdentifierType, SwiftDi

// rdar://122829880 (Turn off Swift explicit modules when c++ interop is enabled)
guard scope.evaluate(BuiltinMacros.SWIFT_OBJC_INTEROP_MODE) != "objcxx" && !scope.evaluate(BuiltinMacros.OTHER_SWIFT_FLAGS).contains("-cxx-interoperability-mode=default") else {
return scope.evaluate(BuiltinMacros._SWIFT_EXPLICIT_MODULES_ALLOW_CXX_INTEROP)
return scope.evaluate(BuiltinMacros.SWIFT_EXPLICIT_MODULES_ALLOW_CXX_INTEROP)
}

// Disable explicit modules in the pre-Swift-5 language modes to avoid versioned API notes confusion.
Expand Down
7 changes: 7 additions & 0 deletions Sources/SWBUniversalPlatform/Specs/Swift.xcspec
Original file line number Diff line number Diff line change
Expand Up @@ -1021,6 +1021,13 @@
Category = "General";
Description = "Coordinates the build of the main module's modular dependencies via explicit tasks scheduled by the build system.";
},
{
Name = "SWIFT_EXPLICIT_MODULES_ALLOW_CXX_INTEROP";
Type = Boolean;
DisplayName = "Use Explicitly Built Modules with C++ Interoperability";
Category = "General";
Description = "Enable use of explicitly built modules in Swift code which has adopted C++ interoperability.";
},
{
Name = "SWIFT_ENABLE_COMPILE_CACHE";
Type = Boolean;
Expand Down