47 lines
1.9 KiB
Diff
47 lines
1.9 KiB
Diff
diff --git a/host/cmake/Modules/UHDAtomics.cmake b/host/cmake/Modules/UHDAtomics.cmake
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index 4d53a2d..e206f39 100644
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--- a/host/cmake/Modules/UHDAtomics.cmake
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+++ b/host/cmake/Modules/UHDAtomics.cmake
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@@ -33,6 +33,16 @@ function(CHECK_WORKING_CXX_ATOMICS64 varname)
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" ${varname})
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endfunction(CHECK_WORKING_CXX_ATOMICS64)
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+function(CHECK_WORKING_CXX_BOOST_ATOMICS varname)
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+ CHECK_CXX_SOURCE_COMPILES("
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+ #include <boost/lockfree/queue.hpp>
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+ boost::lockfree::queue<int> queue(1);
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+ int main() {
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+ return queue.is_lock_free();
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+ }
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+ " ${varname})
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+endfunction(CHECK_WORKING_CXX_BOOST_ATOMICS)
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+
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macro(CHECK_ATOMICS_LIB_REQUIRED required_var)
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set(${required_var} FALSE)
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if(MSVC)
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@@ -76,5 +86,24 @@ macro(CHECK_ATOMICS_LIB_REQUIRED required_var)
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"Host compiler appears to require libatomic for 64-bit operations, but cannot find it.")
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endif()
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endif()
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+ # Check whether boost requires atomic.
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+ CHECK_WORKING_CXX_BOOST_ATOMICS(HAVE_CXX_BOOST_ATOMICS_WITHOUT_LIB)
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+ # If not, check if the library exists, and atomics work with it.
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+ if(NOT HAVE_CXX_BOOST_ATOMICS_WITHOUT_LIB)
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+ check_library_exists(atomic __atomic_fetch_add_4 "" HAVE_LIBATOMIC)
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+ if(HAVE_LIBATOMIC)
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+ set(${required_var} TRUE)
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+ set(CMAKE_REQUIRED_LIBRARIES "atomic")
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+ CHECK_WORKING_CXX_BOOST_ATOMICS(HAVE_CXX_BOOST_ATOMICS_WITH_LIB)
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+ unset(CMAKE_REQUIRED_LIBRARIES)
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+ if (NOT HAVE_CXX_BOOST_ATOMICS_WITH_LIB)
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+ message(FATAL_ERROR "Host compiler must support std::atomic!")
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+ endif()
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+ else()
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+ message(
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+ FATAL_ERROR
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+ "Host compiler appears to require libatomic, but cannot find it.")
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+ endif()
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+ endif()
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endif()
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endmacro(CHECK_ATOMICS_LIB_REQUIRED)
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