Hello,

I've finished the p* conversion. Now though I believe to have checked 
the compilation of the .spad files, a fresh compilation of 
fricas/new-lambda with my changes fails. I've compiled via

make -j8 > make.log

and around line 305.000 of make.log there appears "Apparent user 
error:", i.e. the compilation of the .spad file failed.

Clearly, there is an error in my +-> conversion. But that is not my 
problem now.

In make.log I see 6 of those "Apparent user error" messages. Since I 
used -j8 it is clear that one cannot expect immediate abort of the 
compilation.

The build process ended a bit later with an error message and left 
directories PFO.erlib and PMTOOLS.erlib under src/algebra. So I 
completely removed those directories and started again with

make > make2.log

i.e. I continued the build.

Now in make2.log I also find "Apparent user error" in line 736 and I 
would have expected that the build process would stop immediately. But 
the file make2.log is 48310 lines long. It looks as if 'make' does not 
recognize that the compilation of the .spad file went wrong. :-(

The error will only be recognized, if some other file needs the 
corresponding .o file (which of course cannot be found). That looks a 
bit too late to me and is bad for files that are never used during the 
build of FriCAS. I guess, a broken .spad file might slip into a release 
if this file appears late enough in the build hierarchy.

I think, src/algebra/Makefile.in must be improved with respect to an 
earlier abort of a failing build. The 'for' loops in targets stamp-oboo3 
and stamp-bootstrap look suspicious to me.

Waldek, do you see any quick fix for this? Perhaps adding a test whether 
X.NRLIB/X.o has indeed been created after compilation of X.spad?

Ralf

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