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| author | Jaroslav Škarvada <jskarvad@redhat.com> | 2022-02-01 00:23:07 +0100 |
|---|---|---|
| committer | Aaron Rossetto <aaron.rossetto@ni.com> | 2022-02-01 14:37:53 -0600 |
| commit | 3a249aa0b11e24d2663b720316ed6edc1e2fd8ad (patch) | |
| tree | 2508187df8e70af8640f5f47815da8669d57873b /host | |
| parent | ef30ed1743f470756eadab4067587caf0341be8e (diff) | |
| download | uhd-3a249aa0b11e24d2663b720316ed6edc1e2fd8ad.tar.gz uhd-3a249aa0b11e24d2663b720316ed6edc1e2fd8ad.tar.bz2 uhd-3a249aa0b11e24d2663b720316ed6edc1e2fd8ad.zip | |
cmake: added libatomic check for boost/lockfree/queue.hpp
The boost/lockfree/queue.hpp requires linking with the
libatomic on some platforms (e.g. s390x).
Fixes #410
Signed-off-by: Jaroslav Škarvada <jskarvad@redhat.com>
Diffstat (limited to 'host')
| -rw-r--r-- | host/cmake/Modules/UHDAtomics.cmake | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/host/cmake/Modules/UHDAtomics.cmake b/host/cmake/Modules/UHDAtomics.cmake index 4d53a2d0b..410687387 100644 --- a/host/cmake/Modules/UHDAtomics.cmake +++ b/host/cmake/Modules/UHDAtomics.cmake @@ -33,6 +33,18 @@ function(CHECK_WORKING_CXX_ATOMICS64 varname) " ${varname}) endfunction(CHECK_WORKING_CXX_ATOMICS64) +# Note: If we reach this, we have already checked for the existence of Boost, +# and Boost.Lockfree is a header-only library so no linker options required. +function(CHECK_WORKING_CXX_BOOST_ATOMICS varname) + CHECK_CXX_SOURCE_COMPILES(" + #include <boost/lockfree/queue.hpp> + boost::lockfree::queue<int> queue(1); + int main() { + return queue.is_lock_free(); + } + " ${varname}) +endfunction(CHECK_WORKING_CXX_BOOST_ATOMICS) + macro(CHECK_ATOMICS_LIB_REQUIRED required_var) set(${required_var} FALSE) if(MSVC) @@ -76,5 +88,24 @@ macro(CHECK_ATOMICS_LIB_REQUIRED required_var) "Host compiler appears to require libatomic for 64-bit operations, but cannot find it.") endif() endif() + # Check whether boost requires atomic. + CHECK_WORKING_CXX_BOOST_ATOMICS(HAVE_CXX_BOOST_ATOMICS_WITHOUT_LIB) + # If not, check if the library exists, and atomics work with it. + if(NOT HAVE_CXX_BOOST_ATOMICS_WITHOUT_LIB) + check_library_exists(atomic __atomic_fetch_add_4 "" HAVE_LIBATOMIC) + if(HAVE_LIBATOMIC) + set(${required_var} TRUE) + set(CMAKE_REQUIRED_LIBRARIES "atomic") + CHECK_WORKING_CXX_BOOST_ATOMICS(HAVE_CXX_BOOST_ATOMICS_WITH_LIB) + unset(CMAKE_REQUIRED_LIBRARIES) + if (NOT HAVE_CXX_BOOST_ATOMICS_WITH_LIB) + message(FATAL_ERROR "Host compiler must support std::atomic!") + endif() + else() + message( + FATAL_ERROR + "Boost appears to require libatomic, but cannot find it.") + endif() + endif() endif() endmacro(CHECK_ATOMICS_LIB_REQUIRED) |