Hello, Thierry Banel <tbanelweb...@free.fr> writes:
> On 25/11/2017 15:59, Roger Mason wrote: >> This code compiles fine on command line but org-babel can't link it. >> >> #+BEGIN_SRC C++ :flags "-std=c++11 -I/usr/local/include" :libs >> "-L/usr/local/lib -lginac" >> #include <iostream> >> #include <ginac/ginac.h> >> using namespace std; >> using namespace GiNaC; >> >> int main () { >> symbol a("a"), b("b"), x("x"), y("y"); >> lst eqns, vars; >> eqns = a*x+b*y==3, x-y==b; >> vars = x, y; >> cout << lsolve(eqns, vars) << endl; >> // -> {x==(3+b^2)/(b+a),y==(3-b*a)/(b+a) >> >> return 0; >> } >> #+END_SRC >> >> The error buffer contains many lines like this: >> >> /tmp//ccv5YYn1.o: In function `main': >> C-src-1046xti.cpp:(.text+0x67): undefined reference to >> `GiNaC::symbol::symbol(std::__cxx11::basic_string<char, >> std::char_traits<char>, std::allocator<char> > const&)' >> > > I get the correct result: > > #+RESULTS: > | {x==(3+b^2)*(a+b)^(-1) | y==-(-3+a*b)*(a+b)^(-1)} | > > I use Or mode version 9.1.1 I just upgraded to Org mode version 9.1.3 (release_9.1.3-185-g579fa1 @ /home/rmason/.emacs.d/org-git/lisp/) and I'm still getting the link error. Cheers, Roger