Frankly, this is in part a note to myselft... but could be considered a
follow-up to me trying to compile gnuchess.
So after "plugging"
http://www.delorie.com/pub/djgpp/current/v2gnu/gpp1020b.zip and
http://www.delorie.com/pub/djgpp/current/v2tk/ls080b.zip
The problem is linked to the fact that CPP stdlib have been (I think) compiled
with --disable-nls .
In gettext.h, if NLS is disabled, it #include <cstdlib.h>
which seems an old not correct anymore way to include stuff:
https://developers.redhat.com/blog/2016/02/29/why-cstdlib-is-more-complicated-than-you-might-think
In fact I have tried:
#include <cstdlib.h>
//#include <stdlib.h>
int main (){
return 0;
}
which does not find cstdllib.h.
So I commented out the
#include <cstdlib.h>
at line 54 of gnuchess lib/gettext.h
and configure gnuchess with:
ac_cv_func_malloc_0_nonnull=yes ac_cv_func_realloc_0_nonnull=yes ./configure
--build=i686-pc-linux-gnu --host=i386-pc-msdosdjgpp
which is a trick (workaround) I have taken from:
https://github.com/maxmind/libmaxminddb/issues/144#issuecomment-757101861
leaving out --with-gnu-ld ... not thinking it would apply to cross-compiling...
unsure.
And now I get:
Making all in adapter
make[3] : on entre dans le répertoire «
/home/paul/Téléchargements/gnuchess/src/adapter »
i386-pc-msdosdjgpp-g++ -DHAVE_CONFIG_H -I. -I../../src -I../../src -g -O2
-MT adapter.o -MD -MP -MF .deps/adapter.Tpo -c -o adapter.o adapter.cpp
adapter.cpp:32:10: fatal error: sys/select.h: No such file or directory
32 | #include <sys/select.h>
| ^~~~~~~~~~~~~~
compilation terminated.
I begin to suspect directly compiling under DJGPP rather than cross-compiling
might be easier._______________________________________________
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