[Ipopt] #78: I cannot install the IPOPT correctly

[Peter Carbonetto]

> I was trying to link interface the IPOPT to matlab, my matlab version is 
> 7.6 R2008a. and now ,I have make regular installation of IPOPT working, 
> and did some extra steps mentioned in How to install and use the MATLAB 
> interface for IPOPT written by Peter Carbonettot

Did you follow the installation instructions for the Matlab interface?
https://projects.coin-or.org/Ipopt/wiki/MatlabInterface

After building the IPOPT libraries, it looks like you need to edit the 
Makefile for the Matlab interface so that the compiler knows to look in 
the Matlab directory for the missing C++ header files.

Peter Carbonetto
Ph.D. Candidate
Dept. of Computer Science
University of British Columbia

> <http://www.cs.ubc.ca/%7Epcarbo> Department of Computer Science 
> University of British Columbia
>
> things are going fine till I tried to make all.
> and errors show up like
> $ make all
> g++ -O3 -fomit-frame-pointer -pipe -DNDEBUG -pedantic-errors -Wimplicit
> -Wparentheses -Wreturn-type -Wcast-qual -Wall -Wpointer-arith
> -Wwrite-strings -Wconversion -fPIC -fexceptions  -DMATLAB_MEXFILE
> -Ic:/msys/1.0/home/MPC/CoinIpopt/Ipopt/install1/include
> -IC:\C:\MATLAB6p5/extern/include -o matlabscalar.o -c matlabscalar.cpp
> matlabscalar.cpp:1: warning: -fPIC ignored for target (all code is position
> independent)
> In file included from matlabscalar.cpp:9:
> matlabscalar.h:12:17: mex.h: No such file or directory
> In file included from matlabscalar.cpp:9:
> matlabscalar.h:26: error: expected `,' or `...' before '*' token
> matlabscalar.h:26: error: ISO C++ forbids declaration of `mxArray' with no
> type
> matlabscalar.h:30: error: expected `)' before '*' token
> matlabscalar.cpp:14: error: expected `,' or `...' before '*' token
> matlabscalar.cpp:14: error: ISO C++ forbids declaration of `mxArray' with no
> type
> matlabscalar.cpp: In function `double& getMatlabScalar(int)':
> matlabscalar.cpp:15: error: `ptr' was not declared in this scope
> matlabscalar.cpp:15: error: `mxIsDouble' was not declared in this scope
> matlabscalar.cpp:15: warning: unused variable 'ptr'
> matlabscalar.cpp:15: warning: unused variable 'mxIsDouble'
> matlabscalar.cpp:17: error: `ptr' was not declared in this scope
> matlabscalar.cpp:17: error: `mxGetNumberOfElements' was not declared in this
> scope
> matlabscalar.cpp:17: warning: unused variable 'ptr'
> matlabscalar.cpp:17: warning: unused variable 'mxGetNumberOfElements'
> matlabscalar.cpp:19: error: `ptr' was not declared in this scope
> matlabscalar.cpp:19: error: `mxGetPr' was not declared in this scope
> matlabscalar.cpp:19: warning: unused variable 'ptr'
> matlabscalar.cpp:19: warning: unused variable 'mxGetPr'
> matlabscalar.cpp: At global scope:
> matlabscalar.cpp:22: error: `mxArray' was not declared in this scope
> matlabscalar.cpp:22: error: `ptr' was not declared in this scope
> matlabscalar.cpp:22: error: expected `,' or `;' before '{' token
> matlabscalar.cpp:29: error: expected `,' or `...' before '*' token
> matlabscalar.cpp:30: error: ISO C++ forbids declaration of `mxArray' with no
> type
> matlabscalar.cpp: In constructor `MatlabScalar::MatlabScalar(int)':
> matlabscalar.cpp:30: error: `ptr' was not declared in this scope
> matlabscalar.cpp:30: warning: unused variable 'ptr'
> matlabscalar.cpp: At global scope:
> matlabscalar.cpp:32: error: expected `)' before '*' token
> make: *** [matlabscalar.o] Error 1
>
> is it because of the settings or the source codes are not right.
> can anyone having experience of interfacing IPOPT with matlab help me out.
> Thank you very much
>