diff --git a/configure.ac b/configure.ac index 1e1ed49f9..496a6bcf9 100644 --- a/configure.ac +++ b/configure.ac @@ -676,6 +676,10 @@ AX_BOOST_PROGRAM_OPTIONS AX_BOOST_THREAD AX_BOOST_CHRONO +dnl Boost 1.56 through 1.62 allow using std::atomic instead of its own atomic +dnl counter implementations. In 1.63 and later the std::atomic approach is default. +m4_pattern_allow(DBOOST_AC_USE_STD_ATOMIC) dnl otherwise it's treated like a macro +BOOST_CPPFLAGS="-DBOOST_SP_USE_STD_ATOMIC -DBOOST_AC_USE_STD_ATOMIC $BOOST_CPPFLAGS" if test x$use_reduce_exports = xyes; then AC_MSG_CHECKING([for working boost reduced exports])