diff options
Diffstat (limited to 'clang/lib/Basic/Targets.cpp')
| -rw-r--r-- | clang/lib/Basic/Targets.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/clang/lib/Basic/Targets.cpp b/clang/lib/Basic/Targets.cpp index a3b8330707b..3bf20fef5d2 100644 --- a/clang/lib/Basic/Targets.cpp +++ b/clang/lib/Basic/Targets.cpp @@ -4734,6 +4734,9 @@ protected: Builder.defineMacro("__rtems__"); Builder.defineMacro("__ELF__"); + // Required by the libc++ locale support. + if (Opts.CPlusPlus) + Builder.defineMacro("_GNU_SOURCE"); } public: |
