--- tools/build/src/engine/build.sh.orig	2021-06-19 15:33:17.000000000 +0100
+++ tools/build/src/engine/build.sh	2021-06-19 15:33:57.000000000 +0100
@@ -391,7 +391,7 @@
 
     clang*)
         CXX_VERSION_OPT=${CXX_VERSION_OPT:---version}
-        B2_CXXFLAGS_RELEASE="-O3 -s"
+        B2_CXXFLAGS_RELEASE="-O3"
         B2_CXXFLAGS_DEBUG="-O0 -fno-inline -g"
     ;;