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authorBrad King <brad.king@kitware.com>2019-10-10 14:32:28 (GMT)
committerBrad King <brad.king@kitware.com>2019-10-10 17:14:42 (GMT)
commit847e8bc98c68cdf5bc0b7935c68764c0a6d5658e (patch)
treeff768f794e35f3216ac88d9d847b03cc97476468 /Modules
parent9150c818b7d2afb868575fcb2e0c9ba62b9d7f85 (diff)
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Intel: Fix default C++ dialect detection on Windows
For the Intel Compiler for Windows we have some subtle preprocessor checks in compiler feature detection to detect C++11 and C++14 modes. Use these when detecting the default C++ dialect too.
Diffstat (limited to 'Modules')
-rw-r--r--Modules/CMakeCXXCompilerId.cpp.in16
1 files changed, 13 insertions, 3 deletions
diff --git a/Modules/CMakeCXXCompilerId.cpp.in b/Modules/CMakeCXXCompilerId.cpp.in
index 34639b4..a743ce7 100644
--- a/Modules/CMakeCXXCompilerId.cpp.in
+++ b/Modules/CMakeCXXCompilerId.cpp.in
@@ -27,10 +27,20 @@ char const *info_cray = "INFO" ":" "compiler_wrapper[CrayPrgEnv]";
@CMAKE_CXX_COMPILER_ID_PLATFORM_CONTENT@
@CMAKE_CXX_COMPILER_ID_ERROR_FOR_TEST@
-#if defined(_MSC_VER) && defined(_MSVC_LANG)
-#define CXX_STD _MSVC_LANG
+#if defined(__INTEL_COMPILER) && defined(_MSVC_LANG) && _MSVC_LANG < 201403L
+# if defined(__INTEL_CXX11_MODE__)
+# if defined(__cpp_aggregate_nsdmi)
+# define CXX_STD 201402L
+# else
+# define CXX_STD 201103L
+# endif
+# else
+# define CXX_STD 199711L
+# endif
+#elif defined(_MSC_VER) && defined(_MSVC_LANG)
+# define CXX_STD _MSVC_LANG
#else
-#define CXX_STD __cplusplus
+# define CXX_STD __cplusplus
#endif
const char* info_language_dialect_default = "INFO" ":" "dialect_default["