[Coin-discuss] COIN on a Mac

[Laszlo Ladanyi]

Hi Scott,

Great contribution! Thanks! I'll incorporate the changes sometime early next
week. Just send me the appropriate files in a personal email.

Thanks again,
--Laci

On Wed, 1 Jan 2003 ScottWelz at aol.com wrote:

> I have made the changes necessary to get some of the COIN libraries running 
> on the Mac OS X Unix kernel (Darwin).   Darwin is based on BSD unix (netBSD 
> 4.4) and also includes some elements from FreeBSD and GNU (gcc in 
> particular).   I have successfully compiled and run:   VOL, CLP, OSI, CGL, 
> and BCP.   The unitTest for CLP completes successfully and MaxCut is 
> successful on the junger1 test problem.
> 
> I realize that there probably won’t be many who use this platform, but since 
> its what I’ve got, I’m hoping you’ll make the changes necessary to support 
> it.
> 
> Here are the code changes:
> 
> 1.)   ./COIN/Coin/include/CoinFinite.hpp
> 
> Add the following code before the last #endif in the file:
> 
> #if defined(__GNUC__) && defined(__MACH__)
> extern "C" {
>     int isnan(double);
> }
> inline int CoinFinite(double d);
> # define CoinFinite finite
> # define CoinIsnan   isnan
> #endif
> 
> 2.) ./COIN/Bcp/include/BCP_os.hpp
> 
> Add the following code before the last #endif in the file:
> 
> #if defined(__MACH__) && defined(__GNUC__) 
> #   include "BCP_MACH.hpp"
> #endif
> 
> 3.) Add a couple of OS specific files
> 
> Need to add the file Makefile.Darwin to the COIN/Makefiles directory and the 
> file BCP_MACH to the COIN/Bcp/include directory.   I have not included these 
> files here in the interest of space.   What is the best way to get these 
> files into the library?
> 
> Darwin does not support shared libraries, so all the libraries must be 
> created as STATIC, not SHARED (just something the user needs to be aware of 
> when trying to make the libraries).
> 
> Also, I needed to make a change in the OsiClpSolverInterface.cpp file.   When 
> making the library, the system was not finding the #include <time.h> file.   
> I needed to change this line to #include <sys/time.h> to get the time 
> functions needed.   Not sure if this is an idiosyncrasy of Darwin or a bug in 
> the code.   If it's not a bug, I’ll need to add a conditional to handle the 
> #include for Darwin while leaving it the same for everyone else.
> 
> Are there any issues with adding these changes to the library?
>