Comments (11)
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Please close this issue if the answer above solved this problem.
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I also have the same question. How do you solve it in the end? Thanks!
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@lxjlu It was my fault, I was using ROS and the cmakelists.txt file was not configured correctly
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@lxjlu It was my fault, I was using ROS and the cmakelists.txt file was not configured correctly
I also used it for the first time, and I understand whether it is a problem in the link section. I am directly g++ -o example example.cpp. Is there any problem, thank you.
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I assume you are using Ipopt and have installed it.
If on your cmake command line you choose cmake_verbose_makefile eqaul to YES
https://coin-or.github.io/CppAD/doc/cmake.htm#cmake_verbose_makefile
and you also specify ipopt_prefix
https://coin-or.github.io/CppAD/doc/cmake.htm#package_prefix
then during the make check
https://coin-or.github.io/CppAD/doc/cmake.htm#make%20check
you should see how CppAD links in ipopt.
from cppad.
I assume you are using Ipopt and have installed it.
If on your cmake command line you choose cmake_verbose_makefile eqaul to YES
https://coin-or.github.io/CppAD/doc/cmake.htm#cmake_verbose_makefileand you also specify ipopt_prefix
https://coin-or.github.io/CppAD/doc/cmake.htm#package_prefixthen during the make check
https://coin-or.github.io/CppAD/doc/cmake.htm#make%20checkyou should see how CppAD links in ipopt.
Thanks, I will check it carefully.
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It will be easier to see if you only check to ipopt_solve examples; i.e., use
make check_example_ipopt_solve
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@Jackhe96 Hi, I'm running into the exact same error. How did you fix your cmakelists.txt?
I just freshly installed ipopt and #included cppad/ipopt/solve.hpp as well as Interfaces/IpIpoptApplication.hpp and using Ipopt::IpoptApplication, which I believe is where IpoptApplication comes from.
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@tu-trinh By the exact same error do you mean ?
undefined reference to Ipopt::IpoptApplication::IpoptApplication(bool, bool)'
collect2: error: ld returned 1 exit status
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I have the same problem:
undefined reference to `Ipopt::IpoptApplication::IpoptApplication(bool, bool)'
collect2: error: ld returned 1 exit status
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