Re: strcat not found--MinGW

[Daryl Lee]

On 5/2/2011 2:04 PM, John W. Eaton wrote:
> On  2-May-2011, Daryl Lee wrote:
>
> | On 5/2/2011 12:23 PM, John W. Eaton wrote:
> |>  On  2-May-2011, Daryl wrote:
> |>
> |>  | Just in case there may have been something flaky about the installation, I
> |>  | removed and reinstalled both Mingw and Octave.  On the Mingw install, I
> |>  | installed all the compilers and the developer environment.  On the Octave
> |>  | installer, I selected the "Forge" option, which I don't think I had done
> |>  | before.  I'm still getting the same error.  I'm sure there is a problem
> |>  | passing the Octave search path to a stand-alone program in my Mingw
> |>  | environment.
> |>
> |>  What does the copy of Octave you installed on MinGW tell you for the
> |>  following commands
> |>
> |>     octave_config_info ("prefix")
> |>     octave_config_info ("fcnfiledir")
> |>     OCTAVE_HOME
> |>     OCTAVE_VERSION
> |>  ?
> |
> | octave.exe:2>  octave_config_info("prefix")
> | ans = C:\Octave\3.2.4_gcc-4.4.0
> | octave.exe:3>  octave_config_info("fcnfiledir")
> | ans = C:\Octave\3.2.4_gcc-4.4.0\share\octave\3.2.4\m
> | octave.exe:4>  OCTAVE_HOME
> | ans = C:\Octave\3.2.4_gcc-4.4.0
> | octave.exe:5>  OCTAVE_VERSION
> | ans = 3.2.4
> |
> |>
> |>  What do the same commands return if you add them to the .m file that
> |>  you are executing from your standalone program?
> |
> | The fcnfiledir line is reformatted for email line length...
> |
> | $ ./test5
> | prefix:     \usr\local\octmgw32_gcc-4.4.0-dw2\octave\3.2.4-4
> | fcnfiledir: \usr\local\octmgw32_gcc-4.4.0-dw2\octave\3.2.4-4\share\
> |               octave\3.2.4\m
> | home:       /usr/local/octmgw32_gcc-4.4.0-dw2/octave/3.2.4-4
> | version:    3.2.4
>
> Is your copy of Octave installed in C:\Octave\3.2.4_gcc-4.4.0?
>
> What happens if you set OCTAVE_HOME=C:\Octave\3.2.4_gcc-4.4.0 in your
> environment before running your standalone program?

That seems to have fixed things right up.  Thanks for your help.

> Octave has some code to allow the installation to be relocatable on
> Windows systems (see the function w32_set_octave_home in
> src/sysdep.cc).  This is apparently working correctly for Octave
> itself, but not when you are using it as an embedded interpreter.  I
> don't see why, as it looks to me like the initialization function that
> ultimately calls w32_set_octave_home is called regardless of whether
> Octave is executed as an embedded interpreter.

> jwe


--
Daryl Lee
www.daryllee.com
The unexamined life is not worth living. -- Socrates
The unlived life is not worth examining. -- Unknown