diff options
Diffstat (limited to 'clang/lib/Basic/Module.cpp')
| -rw-r--r-- | clang/lib/Basic/Module.cpp | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/clang/lib/Basic/Module.cpp b/clang/lib/Basic/Module.cpp index aa82a99..9c4c834 100644 --- a/clang/lib/Basic/Module.cpp +++ b/clang/lib/Basic/Module.cpp @@ -148,6 +148,26 @@ bool Module::isUnimportable(const LangOptions &LangOpts, llvm_unreachable("could not find a reason why module is unimportable"); } +// The -fmodule-name option tells the compiler to textually include headers in +// the specified module, meaning Clang won't build the specified module. This +// is useful in a number of situations, for instance, when building a library +// that vends a module map, one might want to avoid hitting intermediate build +// products containing the module map or avoid finding the system installed +// modulemap for that library. +bool Module::isForBuilding(const LangOptions &LangOpts) const { + StringRef TopLevelName = getTopLevelModuleName(); + StringRef CurrentModule = LangOpts.CurrentModule; + + // When building framework Foo, we want to make sure that Foo *and* + // Foo_Private are textually included and no modules are built for both. + if (getTopLevelModule()->IsFramework && + CurrentModule == LangOpts.ModuleName && + !CurrentModule.endswith("_Private") && TopLevelName.endswith("_Private")) + TopLevelName = TopLevelName.drop_back(8); + + return TopLevelName == CurrentModule; +} + bool Module::isAvailable(const LangOptions &LangOpts, const TargetInfo &Target, Requirement &Req, UnresolvedHeaderDirective &MissingHeader, |