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authorJames Y Knight <jyknight@google.com>2017-06-14 17:01:18 +0000
committerJames Y Knight <jyknight@google.com>2017-06-14 17:01:18 +0000
commit02b0e9d97a8d0a519dcb386e7162f3bcbaef3f48 (patch)
tree6c11d8e3f0fd2b126a0b48ea3276e5fbdfd04f33 /clang/lib/Basic/Targets.cpp
parentce0b99563a6fb1299ef6052138fb0f773539e1e4 (diff)
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Define _GNU_SOURCE for rtems c++
This is required by the libc++ locale support. Patch by Walter Lee. Differential Revision: https://reviews.llvm.org/D34105 llvm-svn: 305399
Diffstat (limited to 'clang/lib/Basic/Targets.cpp')
-rw-r--r--clang/lib/Basic/Targets.cpp3
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:
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