diff -up boost_1_73_0/libs/math/config/has_long_double_support.cpp.5~ boost_1_73_0/libs/math/config/has_long_double_support.cpp
--- boost_1_73_0/libs/math/config/has_long_double_support.cpp.5~	2020-04-29 03:27:52.608400056 +0200
+++ boost_1_73_0/libs/math/config/has_long_double_support.cpp	2020-04-29 14:29:15.063698315 +0200
@@ -8,3 +8,7 @@
 #ifdef BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS
 #error "long double support is not supported by Boost.Math on this Platform: the long double version of the TR1 library will not be built."
 #endif
+
+int main(int argc, char *argv[]) {
+  return 0;
+}