Re: fltk-config for windows gives -mwindows flag (was octave-3.3.50 built by mingw-gcc-4.4.0 cannot be executed.)

[Shai Ayal]

2009/9/29 Tatsuro MATSUOKA <address@hidden>:
> Hello
>
> --- Tatsuro MATSUOKA  wrote:
>> I have built octave-3.3.50 mingw-gcc-4.4.0.
>>
>> At the prompt I execute octave from the prompt
>>
>> $ octave
>>
>> $
>>
>> Octave starts but finishes soon without any messages.
>
> This problem caused by the linker flags acquired from fltk-config.
>
>  FLTK backend libs:    -L/c/Programs/OctaveBuild/lib -mwindows 
> -Lc:/Programs/OctaveBuild/lib
> -Lc:/Programs/WinDevTools/lib -Lc:/Programs/GnuWin32/lib -mno-cygwin 
> -Wl,--enable-auto-import
> -Wl,--enable-runtime-pseudo-reloc -lfltk_gl -lglu32-lopengl32 -lfltk 
> -lpthread -lole32 -lcomctl32
>
> The above incules -mwindows and this flag made it impossible to startup 
> octave.
>
> Similar problem occur console mode gnuplot 4.3 for windows with wxt terminal.
> See
>
> http://www.nabble.com/console-mode-gnuplot-for-windows-with-wxt-doen-not-work-(gnuplot-4.3---mingw)-td25536073.html
>
> http://www.nabble.com/Patch-for-makefile.mgw-for-console-mode-of-gnuplot-4.3-for-windows-td25643747.html
>
> First I have kick out this problem by tweaking wx-config, by which 'make' of 
> gnuplot gets linker flag.
>  However, this kind of tweaking is better to be avoided if possible.
>
> I have discussed linker option problem with the developer of wxWidgets. He 
> proposed to use
> -Wl,--subsystem,console option to override of -mwindows.
>
> In the gnuplot case, I now propose two patches
> FIrst:
> -       WX_LIBS = $(shell wx-config --libs)
> +       WX_LIBS = $(shell wx-config --libs | sed -e 's/ 
> -Wl,--subsystem,windows -mwindows//')
> Second:
>        WX_LIBS = $(shell wx-config --libs)
> +       ifdef PIPES
> +               WX_LIBS += -Wl,--subsystem,console
> +       endif
>
> In case that I consider the patch for fltk-config for windows, is which way 
> is better?
>
Hi

I have never used fltk with mingw, only cygwin, so I don't know :(
Did you try to compile with these flags? what were the results of
removing -mwindows -- did the fltk backend compile/run?

Shai