mirror of
https://git.lyx.org/repos/lyx.git
synced 2024-11-24 02:35:20 +00:00
105 lines
3.0 KiB
CMake
105 lines
3.0 KiB
CMake
# This file is part of lyx.
|
|
#
|
|
# The module comes from the enblend project, slightly modified.
|
|
#
|
|
# Check if compiler supports C++11 features
|
|
# and which compiler switches are necessary
|
|
# CXX11_FLAG : contains the necessary compiler flag
|
|
|
|
#
|
|
# Copyright (c) 2013 Thomas Modes <tmodes@@users.sourceforge.net>
|
|
#
|
|
# Redistribution and use in source and binary forms, with or without
|
|
# modification, are permitted provided that the following conditions
|
|
# are met:
|
|
#
|
|
# 1. Redistributions of source code must retain the copyright
|
|
# notice, this list of conditions and the following disclaimer.
|
|
# 2. Redistributions in binary form must reproduce the copyright
|
|
# notice, this list of conditions and the following disclaimer in the
|
|
# documentation and/or other materials provided with the distribution.
|
|
# 3. The name of the author may not be used to endorse or promote products
|
|
# derived from this software without specific prior written permission.
|
|
#
|
|
# This file 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 General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with lyx; if not, write to the Free Software
|
|
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
#
|
|
|
|
INCLUDE(CheckCXXSourceCompiles)
|
|
INCLUDE(FindPackageHandleStandardArgs)
|
|
|
|
if (CMAKE_CXX_COMPILER_ID MATCHES "^[cC]lang$")
|
|
set(CXX11_FLAG_CANDIDATES "--std=c++11 -Wno-deprecated-register")
|
|
else()
|
|
if (CYGWIN)
|
|
set(CXX11_FLAG_CANDIDATES "--std=gnu++11")
|
|
else()
|
|
set(CXX11_FLAG_CANDIDATES
|
|
"--std=c++11"
|
|
"--std=gnu++11"
|
|
"--std=gnu++0x"
|
|
)
|
|
endif()
|
|
endif()
|
|
|
|
# sample openmp source code to test
|
|
SET(CXX11_TEST_SOURCE
|
|
"
|
|
template <typename T>
|
|
struct check
|
|
{
|
|
static_assert(sizeof(int) <= sizeof(T), \"not big enough\");
|
|
};
|
|
|
|
typedef check<check<bool>> right_angle_brackets;
|
|
|
|
class TestDeleted
|
|
{
|
|
public:
|
|
TestDeleted() = delete;
|
|
};
|
|
|
|
|
|
int a;
|
|
decltype(a) b;
|
|
|
|
typedef check<int> check_type;
|
|
check_type c;
|
|
check_type&& cr = static_cast<check_type&&>(c);
|
|
|
|
auto d = a;
|
|
|
|
int main() {
|
|
return 0;
|
|
};
|
|
")
|
|
|
|
# check c compiler
|
|
set(SAFE_CMAKE_REQUIRED_QUIET ${CMAKE_REQUIRED_QUIET})
|
|
set(CMAKE_REQUIRED_QUIET ON)
|
|
FOREACH(FLAG ${CXX11_FLAG_CANDIDATES})
|
|
SET(SAFE_CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}")
|
|
SET(CMAKE_REQUIRED_FLAGS "${FLAG}")
|
|
UNSET(CXX11_FLAG_DETECTED CACHE)
|
|
CHECK_CXX_SOURCE_COMPILES("${CXX11_TEST_SOURCE}" CXX11_FLAG_DETECTED)
|
|
SET(CMAKE_REQUIRED_FLAGS "${SAFE_CMAKE_REQUIRED_FLAGS}")
|
|
IF(CXX11_FLAG_DETECTED)
|
|
SET(CXX11_FLAG "${FLAG}")
|
|
message(STATUS "CXX11_FLAG_DETECTED = \"${FLAG}\"")
|
|
set(LYX_USE_CXX11 1)
|
|
BREAK()
|
|
ENDIF()
|
|
ENDFOREACH()
|
|
set(CMAKE_REQUIRED_QUIET ${SAFE_CMAKE_REQUIRED_QUIET})
|
|
|
|
# handle the standard arguments for find_package
|
|
FIND_PACKAGE_HANDLE_STANDARD_ARGS(CXX11Compiler DEFAULT_MSG CXX11_FLAG)
|
|
|
|
MARK_AS_ADVANCED(CXX11_FLAG)
|