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Improved reference-counted pointer

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This commit is contained in:
Tsuda Kageyu
2013-04-29 20:15:05 +09:00
parent 82e616101a
commit 36ceaadfaa
17 changed files with 409 additions and 156 deletions
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115
ConfigureChecks.cmake
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@ -6,60 +6,103 @@ include(CheckLibraryExists)
include(CheckTypeSize)
include(CheckCXXSourceCompiles)
# check for libz using the cmake supplied FindZLIB.cmake
find_package(ZLIB)
if(ZLIB_FOUND)
set(HAVE_ZLIB 1)
else()
set(HAVE_ZLIB 0)
endif()
# Determine whether or not your compiler supports move semantics.
check_cxx_source_compiles("
#ifdef __clang__
# pragma clang diagnostic error \"-Wc++11-extensions\"
#endif
#include <utility>
int func(int &&x) { return x - 1; }
int main() { return func(std::move(1)); }
#ifdef __clang__
# pragma clang diagnostic error \"-Wc++11-extensions\"
#endif
#include <utility>
int func(int &&x) { return x - 1; }
int main() { return func(std::move(1)); }
" SUPPORT_MOVE_SEMANTICS)
# Determine whether or not your compiler supports template alias.
check_cxx_source_compiles("
#ifdef __clang__
# pragma clang diagnostic error \"-Wc++11-extensions\"
#endif
#include <vector>
template <typename T> using myVector = std::vector<T>;
int main() { return 0; }
" SUPPORT_TEMPLATE_ALIAS)
# Determine where shared_ptr<T> is defined regardless of C++11 support.
check_cxx_source_compiles("
#include <memory>
int main() { std::tr1::shared_ptr<int> x; return 0; }
#include <memory>
int main() { std::tr1::shared_ptr<int> x; return 0; }
" HAVE_STD_SHARED_PTR)
check_cxx_source_compiles("
if(NOT HAVE_STD_SHARED_PTR)
check_cxx_source_compiles("
#include <tr1/memory>
int main() { std::tr1::shared_ptr<int> x; return 0; }
" HAVE_TR1_SHARED_PTR)
" HAVE_TR1_SHARED_PTR)
if(NOT HAVE_TR1_SHARED_PTR)
check_cxx_source_compiles("
#include <boost/shared_ptr.hpp>
int main() { boost::shared_ptr<int> x; return 0; }
" HAVE_BOOST_SHARED_PTR)
endif()
endif()
# Determine which kind of atomic operations your compiler supports.
if(NOT HAVE_STD_SHARED_PTR AND NOT HAVE_TR1_SHARED_PTR AND NOT HAVE_BOOST_SHARED_PTR)
check_cxx_source_compiles("
int main() {
volatile int x;
__sync_add_and_fetch(&x, 1);
int y = __sync_sub_and_fetch(&x, 1);
return 0;
}
" HAVE_GCC_ATOMIC)
if(NOT HAVE_GCC_ATOMIC)
check_cxx_source_compiles("
#include <libkern/OSAtomic.h>
int main() {
volatile int32_t x;
OSAtomicIncrement32Barrier(&x);
int32_t y = OSAtomicDecrement32Barrier(&x);
return 0;
}
" HAVE_MAC_ATOMIC)
if(NOT HAVE_MAC_ATOMIC)
check_cxx_source_compiles("
#include <windows.h>
int main() {
volatile LONG x;
InterlockedIncrement(&x);
LONG y = InterlockedDecrement(&x);
return 0;
}
" HAVE_WIN_ATOMIC)
if(NOT HAVE_WIN_ATOMIC)
check_cxx_source_compiles("
#include <ia64intrin.h>
int main() {
volatile int x;
__sync_add_and_fetch(&x, 1);
int y = __sync_sub_and_fetch(&x, 1);
return 0;
}
" HAVE_IA64_ATOMIC)
endif()
endif()
endif()
endif()
check_cxx_source_compiles("
#include <boost/shared_ptr.hpp>
int main() { boost::shared_ptr<int> x; return 0; }
" HAVE_BOOST_SHARED_PTR)
# Determine whether your compiler supports codecvt header.
check_cxx_source_compiles("
#include <codecvt>
int main() { std::codecvt_utf8_utf16<wchar_t> x; return 0; }
#include <codecvt>
int main() { std::codecvt_utf8_utf16<wchar_t> x; return 0; }
" HAVE_CODECVT)
# check for libz using the cmake supplied FindZLIB.cmake
find_package(ZLIB)
if(ZLIB_FOUND)
set(HAVE_ZLIB 1)
else()
set(HAVE_ZLIB 0)
endif()
set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules)
find_package(CppUnit)
if(NOT CppUnit_FOUND AND BUILD_TESTS)
message(STATUS "CppUnit not found, disabling tests.")
set(BUILD_TESTS OFF)
message(STATUS "CppUnit not found, disabling tests.")
set(BUILD_TESTS OFF)
endif()