1 # This file is part of lyx.
3 # The module comes from the enblend project, slightly modified.
5 # Check if compiler supports C++11 features
6 # and which compiler switches are necessary
7 # CXX11_FLAG : contains the necessary compiler flag
10 # Copyright (c) 2013 Thomas Modes <tmodes@@users.sourceforge.net>
12 # Redistribution and use in source and binary forms, with or without
13 # modification, are permitted provided that the following conditions
16 # 1. Redistributions of source code must retain the copyright
17 # notice, this list of conditions and the following disclaimer.
18 # 2. Redistributions in binary form must reproduce the copyright
19 # notice, this list of conditions and the following disclaimer in the
20 # documentation and/or other materials provided with the distribution.
21 # 3. The name of the author may not be used to endorse or promote products
22 # derived from this software without specific prior written permission.
24 # This file is distributed in the hope that it will be useful,
25 # but WITHOUT ANY WARRANTY; without even the implied warranty of
26 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
27 # GNU General Public License for more details.
29 # You should have received a copy of the GNU General Public License
30 # along with lyx; if not, write to the Free Software
31 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
34 INCLUDE(CheckCXXSourceCompiles)
35 INCLUDE(FindPackageHandleStandardArgs)
37 if (CMAKE_CXX_COMPILER MATCHES "clang")
38 set(CXX11_FLAG_CANDIDATES "--std=c++11")
40 set(CXX11_FLAG_CANDIDATES
47 # sample openmp source code to test
53 static_assert(sizeof(int) <= sizeof(T), \"not big enough\");
56 typedef check<check<bool>> right_angle_brackets;
61 TestDeleted() = delete;
68 typedef check<int> check_type;
70 check_type&& cr = static_cast<check_type&&>(c);
80 FOREACH(FLAG ${CXX11_FLAG_CANDIDATES})
81 SET(SAFE_CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}")
82 SET(CMAKE_REQUIRED_FLAGS "${FLAG}")
83 UNSET(CXX11_FLAG_DETECTED CACHE)
84 CHECK_CXX_SOURCE_COMPILES("${CXX11_TEST_SOURCE}" CXX11_FLAG_DETECTED)
85 SET(CMAKE_REQUIRED_FLAGS "${SAFE_CMAKE_REQUIRED_FLAGS}")
86 IF(CXX11_FLAG_DETECTED)
87 SET(CXX11_FLAG "${FLAG}")
92 # handle the standard arguments for find_package
93 FIND_PACKAGE_HANDLE_STANDARD_ARGS(CXX11Compiler DEFAULT_MSG CXX11_FLAG)
95 MARK_AS_ADVANCED(CXX11_FLAG)