[PATCH] D78392: [CUDA] Define __CUDACC__ before standard library headers
Artem Belevich via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Fri Apr 17 13:00:09 PDT 2020
This revision was automatically updated to reflect the committed changes.
Closed by commit rG8e2051654044: [CUDA] Define __CUDACC__ before standard library headers (authored by tambre, committed by tra).
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D78392/new/
https://reviews.llvm.org/D78392
Files:
clang/lib/Headers/__clang_cuda_runtime_wrapper.h
Index: clang/lib/Headers/__clang_cuda_runtime_wrapper.h
===================================================================
--- clang/lib/Headers/__clang_cuda_runtime_wrapper.h
+++ clang/lib/Headers/__clang_cuda_runtime_wrapper.h
@@ -31,11 +31,17 @@
// Include some forward declares that must come before cmath.
#include <__clang_cuda_math_forward_declares.h>
+// Define __CUDACC__ early as libstdc++ standard headers with GNU extensions
+// enabled depend on it to avoid using __float128, which is unsupported in
+// CUDA.
+#define __CUDACC__
+
// Include some standard headers to avoid CUDA headers including them
// while some required macros (like __THROW) are in a weird state.
#include <cmath>
#include <cstdlib>
#include <stdlib.h>
+#undef __CUDACC__
// Preserve common macros that will be changed below by us or by CUDA
// headers.
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