--- boost/wave/cpplexer/re2clex/cpp_re.hpp.orig	2019-04-09 21:36:51.000000000 +0200
+++ boost/wave/cpplexer/re2clex/cpp_re.hpp	2020-06-30 22:15:38.477631000 +0200
@@ -373,7 +373,7 @@
     string_type   rawstringdelim;         // for use with C++11 raw string literals
 
 // include the correct Re2C token definition rules
-#if (defined (__FreeBSD__) || defined (__DragonFly__) || defined (__OpenBSD__)) && defined (T_DIVIDE)
+#if (defined (__BSDSUniX__) || defined (__FreeBSD__) || defined (__DragonFly__) || defined (__OpenBSD__)) && defined (T_DIVIDE)
 #undef T_DIVIDE
 #endif
 #if BOOST_WAVE_USE_STRICT_LEXER != 0