diff options
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index e68a0cf1..dc0b6149 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -50,6 +50,24 @@ if(${CAN_VECTORIZE}) #set(CMAKE_C_FLAGS "-Rpass=loop-vectorize ${CMAKE_C_FLAGS}") # CLANG endif() +# atomic operations +include(CheckCSourceCompiles) +CHECK_C_SOURCE_COMPILES(" + #include <stdlib.h> + #include <stdatomic.h> + int main(int argc, char **argv) + { + _Atomic size_t head; + atomic_init(&head, 0); + size_t chead = atomic_load_explicit(&head, memory_order_acquire); + chead += 1; + atomic_store_explicit(&head, chead, memory_order_release); + return 0; + }" HAS_ATOMIC) +if(NOT ${HAS_ATOMIC}) + message(FATAL_ERROR "compiler has no support for C11 atomic operations") +endif() + # eina pkg_search_module(EINA REQUIRED eina>=1.8) include_directories(${EINA_INCLUDE_DIRS}) |