Hello,

since this long-standing problem just hit me again, I had a quick look at
test failures in our farm that appear to occur whenever the directory name
contains a string that is being checked for via a "scan-assembler" test,
e.g.:

+FAIL: gcc.target/arm/sat-1.c scan-assembler-times ssat 4
+FAIL: gcc.target/arm/sat-1.c scan-assembler-times usat 4

I had been assuming this happens because the directory name somehow finds
its name into the assembler file, e.g. via a .file directive or DWARF data,
and therefore an additional instance of the search string is being detected
erroneously.

However, when I attemted to re-create the scenario by building myself
within a directory that has the same name, but on my local machine, the
tests when through fine.  And indeed, inspecting the assembler source shows
that that there is no debug info at all; while there is a .file directive,
it contains just the file base name without any directory name; and in fact
the directory name does not show up at all within the assembler file.

Something must still be different in the runs that take place on the build
farm; but I currently do not understand what that might be.

Michael, is there a way to interact with the build process on the build
farm machines themselves to try and find out what's going on here?


Mit freundlichen Gruessen / Best Regards

Ulrich Weigand

--
  Dr. Ulrich Weigand | Phone: +49-7031/16-3727
  STSM, GNU compiler and toolchain for Linux on System z and Cell/B.E.
  IBM Deutschland Research & Development GmbH
  Vorsitzende des Aufsichtsrats: Martina Koederitz | Geschäftsführung: Dirk
Wittkopp
  Sitz der Gesellschaft: Böblingen | Registergericht: Amtsgericht
Stuttgart, HRB 243294


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