[RPL/2] RPL/2 4.1.37

[linux.felixbecker2 at gmx.de]

Now trying to build this, on Artix GNU/Linux (rolling release), with GCC version 16.2.1, and the following `./configure` call:  
```
./configure --prefix=/usr --enable-recursive --enable-native --enable-rplcas --enable-optimization --enable-tex --enable-vim --disable-embedded-gnuplot --enable-gnuplot --enable-motif --enable-experimental --with-x
```

`make -j1` fails with warnings treated as errors:  
```
/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..  -I.. -I/tmp/RPL-2/source/rpl-4.1.37/rplcas/include -I/tmp/RPL-2/source/rpl-4.1.37/rplcas/include   -g -O2 -mtune=native -march=native  -O3 -fno-strict-overflow  -std=gnu17  -malign-double -Wall -funsigned-char -Wno-pointer-sign -std=gnu17 -MT div_ext.lo -MD -MP -MF .deps/div_ext.Tpo -c -o div_ext.lo div_ext.c
libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -I.. -I/tmp/RPL-2/source/rpl-4.1.37/rplcas/include -I/tmp/RPL-2/source/rpl-4.1.37/rplcas/include -g -O2 -mtune=native -march=native -O3 -fno-strict-overflow -std=gnu17 -malign-double -Wall -funsigned-char -Wno-pointer-sign -std=gnu17 -MT div_ext.lo -MD -MP -MF .deps/div_ext.Tpo -c div_ext.c -o div_ext.o
div_ext.c: In function 'mpfi_div_ext':
div_ext.c:62:25: error: passing argument 1 of 'mpfr_div' from incompatible pointer type [-Wincompatible-pointer-types]
   62 |         tmp = mpfr_div (&(tmp2), &(op1->right), &(op2->left), MPFI_RNDD);
      |                         ^~~~~~~
      |                         |
      |                         __mpfr_struct (*)[1]
In file included from mpfi.h:34,
                 from mpfi-impl.h:29,
                 from div_ext.c:27:
/tmp/RPL-2/source/rpl-4.1.37/rplcas/include/mpfr.h:588:31: note: expected 'mpfr_ptr' {aka '__mpfr_struct *'} but argument is of type '__mpfr_struct (*)[1]'
  588 | __MPFR_DECLSPEC int mpfr_div (mpfr_ptr, mpfr_srcptr, mpfr_srcptr, mpfr_rnd_t);
      |                               ^~~~~~~~
/tmp/RPL-2/source/rpl-4.1.37/rplcas/include/mpfr.h:258:24: note: 'mpfr_ptr' declared here
  258 | typedef __mpfr_struct *mpfr_ptr;
      |                        ^~~~~~~~
div_ext.c:65:24: error: passing argument 1 of 'mpfr_set_zero' from incompatible pointer type [-Wincompatible-pointer-types]
   65 |         mpfr_set_zero (&(tmp2), 1);
      |                        ^~~~~~~
      |                        |
      |                        __mpfr_struct (*)[1]
[...]
```

(Note that there are also a lot of other compiler warnings not treated as errors.)

I know that this can be work-arounded by passing `-Wno-error=incompatible-pointer-types` to the `$CFLAGS` environment variable, but I think for up to date compilers the code would need changes for a proper fix.

I did not specify any `$CFLAGS` up to this point.

Regards!

(By the way, is there a possibility to use system installed openmotif and openssl instead of bundling your own?)


On Thu, 17 Sep 2026 17:18:32 +0200, BERTRAND Joël
<joel.bertrand at systella.fr> wrote about "[RPL/2] RPL/2 4.1.37":

> 	Hello,
> 
> 	New release with bugfixes :
> - major bug is fixed in analyse_algebrique: '-X-Y' returned
> 'NEG(X-Y)'.
> - major bug is fixed in DER (implicit name);
> - UDATE is added (returns UTC timestamp);
> - bug is fixed in PUT intrinsic:
> <[ {} {} {} {} ]> {} { 4 } PUT crashed RPL/2 when indices list was
> empty. Same patch for GET (but GET doesn't crash).
> - rplunits generation is fixed;
> - units is upgraded to 2.24;
> - gnuplot is upgraded to 6.0.3;
> - major bug is fixed in = intrinsic (system error);
> - LOCALIZATION is modified to remain local to a thread.
> 
> 	And simplification() is now used. Only +/- simplification is
> done.
> 
> 	Regards,
> 
> 	JB
> 

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