[Octave-bug-tracker] [bug #47984] mxe-octave native build fails at gnuplot build

[Tatsuro MATSUOKA]

Follow-up Comment #10, bug #47984 (project octave):

> It looks like they dropped the old .hlp format for windows in v5,
Yes. Now gnuplot for windows uses HTML HELP WORKSHOP to give help in chm. 

IIRC, gnuplot.exe on mxe-octave, help command does not work. I wonder why this
complicated patch is needed. I have also prepared modification for
gnuplot-5.0.3. My modification is just kill help functionality in command.c
and delete help file related things from the Makefile.

GRPICON.ico
TEXTICON.ico

are renamed

to
grpicon.ico
texticon.ico

in v5
The case change must not to be applied.


internal.c

-+#ifndef __MINGW32__
- #ifndef _WIN64
- int
- GP_MATHERR( STRUCT_EXCEPTION_P_X )
-@@ -65,6 +66,7 @@
-     return (undefined = TRUE);        /* don't print error message */
- }
- #endif
-+#endif


The part


#ifndef __MINGW32__
#ifndef _WIN64

#endif
#endif


is enough for the below


#ifndef __MINGW64_VERSION_MAJOR

#endif

(see https://sourceforge.net/p/gnuplot/bugs/1791/)

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