--- Makefile.am.orig	2025-01-31 16:00:22 UTC
+++ Makefile.am
@@ -12,7 +12,7 @@ endif
 AM_CXXFLAGS += $(HPCOMBI_CXXFLAGS)
 endif
 
-AM_LDFLAGS  =  -no-undefined -lpthread $(FMT_LIBS)
+AM_LDFLAGS  =  -no-undefined -lpthread $(FMT_LIBS) -lexecinfo
 
 if LIBSEMIGROUPS_DEBUG
 AM_CPPFLAGS = -DDEBUG