Add initial support for python bindings

[alexxy/gromacs.git] / cmake / gmxTestCXX11.cmake

diff --git a/cmake/gmxTestCXX11.cmake b/cmake/gmxTestCXX11.cmake
index fbaa97f844a461ea103be76f16029b5430c6ffbc..eaa8888e48adaac75fec32ac6e292130000ceccb 100644 (file)
--- a/cmake/gmxTestCXX11.cmake
+++ b/cmake/gmxTestCXX11.cmake
@@ -1,24 +1,64 @@
+#
+# 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
+# http://www.gnu.org/licenses, or write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA.
+#
+# If you want to redistribute modifications to GROMACS, please
+# consider that scientific software is very special. Version
+# control is crucial - bugs must be traceable. We will be happy to
+# consider code for inclusion in the official distribution, but
+# derived work must not be called official GROMACS. Details are found
+# in the README & COPYING files - if they are missing, get the
+# official version at http://www.gromacs.org.
+#
+# To help us fund GROMACS development, we humbly ask that you cite
+# the research papers on the package. Check out http://www.gromacs.org.
+
 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 "${CXX11_FLAG}")
+    check_cxx_source_compiles(
 "#include <vector>
 #include <memory>
 #include <utility>
 struct A {
+  A(int *i=NULL) : p(i) {} ;
   std::unique_ptr<int> p;
 };
+template <typename Head, typename... Tail>
+struct VarList {
+  typedef VarList<Tail...> VarListTail;
+  typedef std::pair<Head, typename VarListTail::ListType> ListType;
+};
 int main() {
   typedef std::unique_ptr<int> intPointer;
   intPointer p(new int(10));
@@ -26,16 +66,10 @@ int main() {
   v.push_back(std::move(p));
   std::vector<A> v2;
   v2.push_back(A());  //requires default move constructor
-}" HAVE_${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()