Citando aitor <aitor_czr@???>:

> Hi Riccardo,
> On 13/5/20 9:47, Riccardo Mottola wrote:
> The issue was the same as you pointed out: that is, the version of
> the compiler. It worked for me
> only with gcc-6. Trying with gcc-7 the build process ends up with
> the mentioned non declared functions.
> No idea about a possible solution so far. About the missing symbols
> you say you're getting,
> they might be related with the use of -jN together with higher
> versions of gcc. It happened to me building
> bulmages a few years ago, an accounting program, when we were
> migrating it from Qt4 to Qt5: using -j1 it worked.
> All the same, i tried with gcc-7, and the strtol function (declared
> in <stdlib.h> without any precompiler directive)
> was not recognized.I

Indeed,
There are a lot of problems with building with -jn, were n > 1.
to cite one, OpenSeaChest, for Seagate disks, is one of them..

I, for instance, would like to see a i686 deb package for Waterfox :)