[Ipopt] Help on compile IPOPT c++ example, ubuntu 12.04, 64 bit , ipopt 11.0

[Zhenli Lu]

Dear All.
    I am a new hand to install ipopt 11.0.
    Based on the following website , I install ipopt without AMPL.
https://projects.coin-or.org/Ipopt/browser/stable/3.11/Ipopt/doc/documentation.pdf?format=raw

Question 1: how can I get AMPL by ./get. AMPL

Question 2: When I try to compile the example in CPP folder, I just rename makefile.in as makefile, and I installed gcc,g++,gfortran,. But when I run "make", it give the following information:
/Cpp_example$ make
make: *** No rule to make target `cpp_example. at OBJEXT@', needed by `cpp_example at EXEEXT@'. Stop.

Thanks for any help.
Zhenli
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