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-rw-r--r--configure.ac8
1 files changed, 5 insertions, 3 deletions
diff --git a/configure.ac b/configure.ac
index e8414a48ba..aa1a45c527 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1467,9 +1467,11 @@ if test "$use_boost" = "yes"; then
BOOST_CPPFLAGS="$BOOST_CPPFLAGS -DBOOST_MULTI_INDEX_DISABLE_SERIALIZATION"
dnl Prevent use of std::unary_function, which was removed in C++17,
- dnl and will generate warnings with newer compilers.
- dnl See: https://github.com/boostorg/container_hash/issues/22.
- BOOST_CPPFLAGS="$BOOST_CPPFLAGS -DBOOST_NO_CXX98_FUNCTION_BASE"
+ dnl and will generate warnings with newer compilers for Boost
+ dnl older than 1.80.
+ dnl See: https://github.com/boostorg/config/pull/430.
+ AX_CHECK_PREPROC_FLAG([-DBOOST_NO_CXX98_FUNCTION_BASE], [BOOST_CPPFLAGS="$BOOST_CPPFLAGS -DBOOST_NO_CXX98_FUNCTION_BASE"], [], [$CXXFLAG_WERROR],
+ [AC_LANG_PROGRAM([[#include <boost/config.hpp>]])])
if test "$enable_debug" = "yes" || test "$enable_fuzz" = "yes"; then
BOOST_CPPFLAGS="$BOOST_CPPFLAGS -DBOOST_MULTI_INDEX_ENABLE_SAFE_MODE"