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Commit | Line | Data |
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ac13fb9a JR |
1 | # Check if std::atomic needs -latomic |
2 | ||
3 | include(CheckCXXSourceCompiles) | |
4 | ||
ac13fb9a JR |
5 | set( |
6 | check_std_atomic_source_code | |
7 | [=[ | |
8 | #include <atomic> | |
9 | int main() | |
10 | { | |
11 | std::atomic<long long> x; | |
d1631344 | 12 | ++x; |
ac13fb9a JR |
13 | (void)x.load(); |
14 | return 0; | |
15 | } | |
16 | ]=]) | |
17 | ||
18 | check_cxx_source_compiles("${check_std_atomic_source_code}" std_atomic_without_libatomic) | |
19 | ||
20 | if(NOT std_atomic_without_libatomic) | |
21 | set(CMAKE_REQUIRED_LIBRARIES atomic) | |
22 | check_cxx_source_compiles("${check_std_atomic_source_code}" std_atomic_with_libatomic) | |
23 | set(CMAKE_REQUIRED_LIBRARIES) | |
24 | if(NOT std_atomic_with_libatomic) | |
25 | message(FATAL_ERROR "Toolchain doesn't support std::atomic with nor without -latomic") | |
26 | else() | |
27 | target_link_libraries(standard_settings INTERFACE atomic) | |
28 | endif() | |
29 | endif() |