[Ipopt-tickets] [Ipopt] #196: LNK errors while Installing IPOPT on Windows 7 using MSVC++ and f2c

[Ipopt]

#196: LNK errors while Installing IPOPT on Windows 7 using MSVC++ and f2c
----------------------------+----------------------
  Reporter:  srinivasr      |      Owner:  stefan
      Type:  clarification  |     Status:  assigned
  Priority:  high           |  Component:  Ipopt
   Version:  3.10           |   Severity:  normal
Resolution:                 |   Keywords:
----------------------------+----------------------

Comment (by stefan):

 It might be that still the wrong link is used.

 The following lines in the make output indicate this:
 {{{
 (cd .libs/libipopt.lax/libcgpenalty.lib && ar x
 C:\cygwin\home\Srinivas\CoinIpopt\Ipopt\src\contrib\CGPenalty\.libs\libcgpenalty.lib)
         IpCGPenaltyCq.obj
          IpCGPenaltyData.obj
          IpCGPenaltyLSAcceptor.obj
          IpCGPenaltyRegOp.obj
          IpCGPerturbationHandler.obj
          IpCGSearchDirCalc.obj
          IpPiecewisePenalty.obj
         LINK : warning LNK4014: cannot find member object
 IpCGPenaltyCq.obj

         LINK : warning LNK4014: cannot find member object
 IpCGPenaltyData.obj

         LINK : warning LNK4014: cannot find member object
 IpCGPenaltyLSAcceptor.obj

         LINK : warning LNK4014: cannot find member object
 IpCGPenaltyRegOp.obj

         LINK : warning LNK4014: cannot find member object
 IpCGPerturbationHandler.obj

         LINK : warning LNK4014: cannot find member object
 IpCGSearchDirCalc.obj
 }}}
 I believe the intermediate libraries are incomplete, which then gives an
 incomplete libipopt.lib, and finally yield to the linker errors you got at
 the end.

 What is $PATH under cygwin?

 The current issues page list the following that goes along with kelman's
 post:
 "When using MinGW and Msys, you may see failures that really leave you
 scratching your head. Before you tear your hair out, check your PATH. Both
 Windows and MinGW/Msys define some common utilities: find, link, and sort.
 Unfortunately, the Windows versions are completely incompatible with the
 unix versions. Make sure that the MinGW/Msys command (bin) directories
 come before the Windows command directories in your PATH! Both the
 configure and libtool shell scripts can fail if this is not true. If
 you're trying to build with Windows cl and link (you can see the problem
 coming eh?) make sure that the Visual Studio command directories precede
 the MinGW/Msys command directories, which in turn must still precede the
 Windows command directories. Unix link is not helpful for linking
 programs!"

-- 
Ticket URL: <https://projects.coin-or.org/ticket/196#comment:4>
Ipopt <http://projects.coin-or.org/Ipopt>
Interior-point optimizer for nonlinear programs.