Sink the _GNU_SOURCE definition down into the target configuration,
and only define it where we know we need it---Linux and Cygwin. Thanks
to Chris for the prodding.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101989 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index 1b80527..b94f55b 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -219,6 +219,8 @@
Builder.defineMacro("__ELF__");
if (Opts.POSIXThreads)
Builder.defineMacro("_REENTRANT");
+ if (Opts.CPlusPlus)
+ Builder.defineMacro("_GNU_SOURCE");
}
public:
LinuxTargetInfo(const std::string& triple)
@@ -1221,6 +1223,8 @@
Builder.defineMacro("__CYGWIN__");
Builder.defineMacro("__CYGWIN32__");
DefineStd(Builder, "unix", Opts);
+ if (Opts.CPlusPlus)
+ Builder.defineMacro("_GNU_SOURCE");
}
};
} // end anonymous namespace