g++ -O3 -fomit-frame-pointer -pipe -DNDEBUG -pedantic-errors -Wimplicit -Wparentheses -Wreturn-type -Wcast-qual -Wall -Wpointer-arith -Wwrite-strings -Wconversion -Wno-unknown-pragmas -o .libs/ipopt ampl_ipopt.o  ./.libs/libamplinterface.a ../../Interfaces/.libs/libipopt.so /home/aivaz/Ipopt-3.5.5/build/ThirdParty/ASL/amplsolver.a -lblas -lm -ldl -Wl,--rpath -Wl,/home/aivaz/Ipopt-3.5.5/build/lib
../../Interfaces/.libs/libipopt.so: undefined reference to `s_wsfe'
../../Interfaces/.libs/libipopt.so: undefined reference to `s_cmp'
../../Interfaces/.libs/libipopt.so: undefined reference to `e_wsfe'
../../Interfaces/.libs/libipopt.so: undefined reference to `pow_di'
../../Interfaces/.libs/libipopt.so: undefined reference to `i_nint'
../../Interfaces/.libs/libipopt.so: undefined reference to `s_copy'
../../Interfaces/.libs/libipopt.so: undefined reference to `d_sign'
../../Interfaces/.libs/libipopt.so: undefined reference to `do_fio'
collect2: ld returned 1 exit status
make[3]: *** [ipopt] Error 1
make[3]: Leaving directory `/home/aivaz/Ipopt-3.5.5/build/Ipopt/src/Apps/AmplSolver'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/home/aivaz/Ipopt-3.5.5/build/Ipopt/src/Apps'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/aivaz/Ipopt-3.5.5/build/Ipopt'
make: *** [all-recursive] Error 1
aivaz@ubuntu:~/Ipopt-3.5.5/build$