diff options
Diffstat (limited to 'lib/Driver/Tools.cpp')
| -rw-r--r-- | lib/Driver/Tools.cpp | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp index 9ef346906b..547d45c2d8 100644 --- a/lib/Driver/Tools.cpp +++ b/lib/Driver/Tools.cpp @@ -2622,12 +2622,24 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, // -fmodules enables modules (off by default). However, for C++/Objective-C++, // users must also pass -fcxx-modules. The latter flag will disappear once the // modules implementation is solid for C++/Objective-C++ programs as well. + bool HaveModules = false; if (Args.hasFlag(options::OPT_fmodules, options::OPT_fno_modules, false)) { bool AllowedInCXX = Args.hasFlag(options::OPT_fcxx_modules, options::OPT_fno_cxx_modules, false); - if (AllowedInCXX || !types::isCXX(InputType)) + if (AllowedInCXX || !types::isCXX(InputType)) { CmdArgs.push_back("-fmodules"); + HaveModules = true; + } + } + + // -fmodules-autolink (on by default when modules is enabled) automatically + // links against libraries for imported modules. + if (HaveModules && + Args.hasFlag(options::OPT_fmodules_autolink, + options::OPT_fno_modules_autolink, + true)) { + CmdArgs.push_back("-fmodules-autolink"); } // -faccess-control is default. |