spack/var/spack/repos/builtin/packages/protobuf/intel-v2.patch
2020-02-12 16:21:43 -05:00

56 lines
2.1 KiB
Diff

From 22f4f5422eddaac94750b268b7e6e305bd9cce5b Mon Sep 17 00:00:00 2001
From: Chuck Atkins <chuck.atkins@kitware.com>
Date: Tue, 11 Feb 2020 10:21:44 -0500
Subject: [PATCH 1/2] Intel compiler: ifdef out an incorrectly evaluated is_pod
type trait
---
src/google/protobuf/arena.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/src/google/protobuf/arena.h b/src/google/protobuf/arena.h
index d73b53c79f..3ecfe23c09 100644
--- a/src/google/protobuf/arena.h
+++ b/src/google/protobuf/arena.h
@@ -338,8 +338,10 @@ class PROTOBUF_EXPORT alignas(8) Arena final {
template <typename T>
PROTOBUF_ALWAYS_INLINE static T* CreateArray(Arena* arena,
size_t num_elements) {
+#ifndef __INTEL_COMPILER // icc mis-evaluates some types as non-pod
static_assert(std::is_pod<T>::value,
"CreateArray requires a trivially constructible type");
+#endif
static_assert(std::is_trivially_destructible<T>::value,
"CreateArray requires a trivially destructible type");
GOOGLE_CHECK_LE(num_elements, std::numeric_limits<size_t>::max() / sizeof(T))
From 9c2c9861d5490801503b51936d00320bba68d465 Mon Sep 17 00:00:00 2001
From: Chuck Atkins <chuck.atkins@kitware.com>
Date: Tue, 11 Feb 2020 10:22:38 -0500
Subject: [PATCH 2/2] Intel compiler: silence noisy warning for incorrectly
evaluated inlining
---
cmake/CMakeLists.txt | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/cmake/CMakeLists.txt b/cmake/CMakeLists.txt
index 8e5e68073b..849679995a 100644
--- a/cmake/CMakeLists.txt
+++ b/cmake/CMakeLists.txt
@@ -28,6 +28,14 @@ else()
set(CMAKE_CXX_EXTENSIONS OFF)
endif()
+# The Intel compiler isn't able to deal with noinline member functions of
+# template classses defined in headers. As such it spams the output with
+# warning #2196: routine is both "inline" and "noinline"
+# This silences that warning.
+if (CMAKE_CXX_COMPILER_ID MATCHES Intel)
+ string(APPEND CMAKE_CXX_FLAGS " -diag-disable=2196")
+endif()
+
# Options
option(protobuf_BUILD_TESTS "Build tests" ON)
option(protobuf_BUILD_CONFORMANCE "Build conformance tests" OFF)