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authorChristian Pfeiffer <cpfeiffer@live.de>2018-07-11 13:59:10 (GMT)
committerBrad King <brad.king@kitware.com>2018-07-12 13:35:50 (GMT)
commit735e69f4458850cc335710af36d1382b891cbb5e (patch)
treea2ba3e451cc0e1244ea3d22a76a7d4cfa99b1c5d /Modules
parentf974000d93798af1e3bd183985ec6f5159664f76 (diff)
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Intel: Fix incorrectly documented extension flags
Fixes: #18166
Diffstat (limited to 'Modules')
-rw-r--r--Modules/Compiler/Intel-C.cmake3
-rw-r--r--Modules/Compiler/Intel-CXX.cmake15
2 files changed, 10 insertions, 8 deletions
diff --git a/Modules/Compiler/Intel-C.cmake b/Modules/Compiler/Intel-C.cmake
index 3e0439fa..4e4af29 100644
--- a/Modules/Compiler/Intel-C.cmake
+++ b/Modules/Compiler/Intel-C.cmake
@@ -25,8 +25,7 @@ else()
if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 15.0.0)
set(CMAKE_C11_STANDARD_COMPILE_OPTION "-std=c11")
- # todo: there is no gnu11 value supported; figure out what to do
- set(CMAKE_C11_EXTENSION_COMPILE_OPTION "-std=c11")
+ set(CMAKE_C11_EXTENSION_COMPILE_OPTION "-std=gnu11")
endif()
if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 12.0)
diff --git a/Modules/Compiler/Intel-CXX.cmake b/Modules/Compiler/Intel-CXX.cmake
index d9c5749..c115b6a 100644
--- a/Modules/Compiler/Intel-CXX.cmake
+++ b/Modules/Compiler/Intel-CXX.cmake
@@ -36,18 +36,21 @@ else()
if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 18.0.0)
set(CMAKE_CXX17_STANDARD_COMPILE_OPTION "-std=c++17")
- # todo: there is no gnu++17 value supported; figure out what to do
- set(CMAKE_CXX17_EXTENSION_COMPILE_OPTION "-std=c++17")
+ set(CMAKE_CXX17_EXTENSION_COMPILE_OPTION "-std=gnu++17")
endif()
if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 15.0.2)
set(CMAKE_CXX14_STANDARD_COMPILE_OPTION "-std=c++14")
- # todo: there is no gnu++14 value supported; figure out what to do
- set(CMAKE_CXX14_EXTENSION_COMPILE_OPTION "-std=c++14")
elseif (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 15.0.0)
set(CMAKE_CXX14_STANDARD_COMPILE_OPTION "-std=c++1y")
- # todo: there is no gnu++14 value supported; figure out what to do
- set(CMAKE_CXX14_EXTENSION_COMPILE_OPTION "-std=c++1y")
+ endif()
+
+ # Intel 15.0.2 accepts c++14 instead of c++1y, but not gnu++14
+ # instead of gnu++1y. Intel 17.0.0 accepts gnu++14 too.
+ if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 17.0)
+ set(CMAKE_CXX14_EXTENSION_COMPILE_OPTION "-std=gnu++14")
+ elseif (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 15.0.0)
+ set(CMAKE_CXX14_EXTENSION_COMPILE_OPTION "-std=gnu++1y")
endif()
if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 13.0)