Cannot link Boost regex

Question

I am currently trying to compile a Contraction Hierachies implementation by KIT which requires Boost::Regex. The supplied Makefile already makes sure (and I have also double-che

Answer 1

Linker switches are in the wrong order. make tries to do this:

g++ -lboost_regex -lboost_iostreams -o main main.o

This is what actually works (at least with gcc 4.8.1):

g++ -o main main.o -lboost_regex -lboost_iostreams

So to fix the compilation error you should substitue line 6 in the Makefile with the following:

    $(CXX) -o $@ $^ $(LIBS) $(LINK)