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Fixed #905.

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Added compiler version cheking for atomic test for older compilers on cmake.
This commit is contained in:
Takatoshi Kondo
2020-08-01 08:58:36 +09:00
parent 70912ffde4
commit 14763a8b31
1 changed files with 10 additions and 3 deletions
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13
CMakeLists.txt
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@@ -115,8 +115,11 @@ IF (GTEST_FOUND AND ZLIB_FOUND AND THREADS_FOUND AND NOT "${MSGPACK_FUZZ_REGRESS
OPTION (MSGPACK_GEN_COVERAGE "Enable running gcov to get a test coverage report." OFF)
ENDIF ()
INCLUDE (CheckCXXSourceCompiles)
CHECK_CXX_SOURCE_COMPILES ("
IF ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
IF (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.1)
INCLUDE (CheckCXXSourceCompiles)
CHECK_CXX_SOURCE_COMPILES ("
#include <bits/atomicity.h>
int atomic_sub(int i) { return __gnu_cxx::__exchange_and_add(&i, -1) - 1; }
int atomic_add(int i) { return __gnu_cxx::__exchange_and_add(&i, 1) + 1; }
@@ -125,7 +128,11 @@ int main(int argc, char * argv[])
atomic_sub(1);
atomic_add(1);
}
" MSGPACK_ENABLE_GCC_CXX_ATOMIC)
"
MSGPACK_ENABLE_GCC_CXX_ATOMIC)
ENDIF ()
ENDIF ()
INCLUDE (Files.cmake)