+#
+# This file is part of the GROMACS molecular simulation package.
+#
+# Copyright (c) 2012,2013,2014, by the GROMACS development team, led by
+# Mark Abraham, David van der Spoel, Berk Hess, and Erik Lindahl,
+# and including many others, as listed in the AUTHORS file in the
+# top-level source directory and at http://www.gromacs.org.
+#
+# GROMACS is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public License
+# as published by the Free Software Foundation; either version 2.1
+# of the License, or (at your option) any later version.
+#
+# GROMACS is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with GROMACS; if not, see
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+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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+# consider code for inclusion in the official distribution, but
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+# in the README & COPYING files - if they are missing, get the
+# official version at http://www.gromacs.org.
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+
include(CheckCXXSourceCompiles)
MACRO(GMX_TEST_CXX11 VARIABLE FLAG)
- IF(NOT DEFINED HAVE_${VARIABLE})
- MESSAGE(STATUS "Checking for C++11 support")
- if(NOT WIN32)
- set(CXX11_FLAG "-std=c++0x")
- else()
- set(CXX11_FLAG "/Qstd=c++0x")
- endif()
- CHECK_CXX_COMPILER_FLAG("${CXX11_FLAG}" CXXFLAG_STD_CXX0X)
- if(NOT CXXFLAG_STD_CXX0X)
- set(CXX11_FLAG "")
- endif()
- set(CMAKE_REQUIRED_DEFINITIONS "${CXX11_FLAG}")
- check_cxx_source_compiles(
+ if(WIN32)
+ set(CXX11_FLAG "/Qstd=c++0x")
+ elseif(CYGWIN)
+ set(CXX11_FLAG "-std=gnu++0x") #required for strdup
+ else()
+ set(CXX11_FLAG "-std=c++0x")
+ endif()
+ CHECK_CXX_COMPILER_FLAG("${CXX11_FLAG}" CXXFLAG_STD_CXX0X)
+ if(NOT CXXFLAG_STD_CXX0X)
+ set(CXX11_FLAG "")
+ endif()
+ set(CMAKE_REQUIRED_DEFINITIONS "${CXX11_FLAG}")
+ check_cxx_source_compiles(
"#include <vector>
#include <memory>
#include <utility>
struct A {
+ A(int *i=NULL) : p(i) {} ;
std::unique_ptr<int> p;
};
+template <typename Head, typename... Tail>
+struct VarList {
+ typedef VarList<Tail...> VarListTail;
+ typedef std::pair<Head, typename VarListTail::ListType> ListType;
+};
int main() {
typedef std::unique_ptr<int> intPointer;
intPointer p(new int(10));
v.push_back(std::move(p));
std::vector<A> v2;
v2.push_back(A()); //requires default move constructor
-}" HAVE_${VARIABLE})
- set(CMAKE_REQUIRED_DEFINITIONS "")
- if(HAVE_${VARIABLE})
- set(${VARIABLE} 1 CACHE INTERNAL "Result of C++11 support test" FORCE)
- set(${FLAG} ${CXX11_FLAG} CACHE INTERNAL "Compiler flag for C++11 support" FORCE)
- MESSAGE(STATUS "Checking for C++11 support - yes")
- else()
- set(${VARIABLE} 0 CACHE INTERNAL "Result of C++11 support test" FORCE)
- set(${FLAG} "" CACHE INTERNAL "Compiler flag for C++11 support" FORCE)
- MESSAGE(STATUS "Checking for C++11 support - no")
- endif()
- ENDIF(NOT DEFINED HAVE_${VARIABLE})
+ v2.push_back(A(new int(5))); //detects bug in ICC
+}" ${VARIABLE})
+ set(CMAKE_REQUIRED_DEFINITIONS "")
+ if(${VARIABLE})
+ set(${FLAG} ${CXX11_FLAG})
+ endif()
ENDMACRO()