From: vsr <vsr@opencascade.com>
Date: Mon, 21 Sep 2020 11:23:40 +0000 (+0300)
Subject: Let C++ extensions be enabled by default (standard CMake behavior)
X-Git-Url: http://git.salome-platform.org/gitweb/?a=commitdiff_plain;h=f216b92a43c101ea685ed7336e88193c50e04e12;p=tools%2Fconfiguration.git

Let C++ extensions be enabled by default (standard CMake behavior)
---

diff --git a/cmake/SalomeSetupPlatform.cmake b/cmake/SalomeSetupPlatform.cmake
index a5f713a..55ffc5d 100644
--- a/cmake/SalomeSetupPlatform.cmake
+++ b/cmake/SalomeSetupPlatform.cmake
@@ -106,7 +106,9 @@ IF(COMPILER_SUPPORTS_NO_OPERATOR_NAMES)
   SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-operator-names")
 ENDIF()
 
-# C++ standard to use; NOTE: extensions are not allowed!
+# Option: C++ standard to use
+# Note: CMake by default enables C++ extensions; they can be disabled by additionally
+#       specifying -DCMAKE_CXX_EXTENSIONS=OFF
 SET(SALOME_CXX_STANDARD 11 CACHE STRING "C++ standard to use")
 SET(_supported_standards 11 14 17 20)
 IF(NOT ${SALOME_CXX_STANDARD} IN_LIST _supported_standards)
@@ -115,7 +117,6 @@ ENDIF()
 UNSET(_supported_standards)
 MESSAGE(STATUS "Setting C++ standard to ${SALOME_CXX_STANDARD}")
 SET(CMAKE_CXX_STANDARD ${SALOME_CXX_STANDARD})
-SET(CMAKE_CXX_EXTENSIONS OFF)
 SET(CMAKE_CXX_STANDARD_REQUIRED ON)
 
 # Fight warnings