Re: Test report coreutils-5.3.0 on Solaris 7

[Jim Meyering]

Eric Blake <address@hidden> wrote:
> I have access to an old Solaris 7 box at work, which has gcc 2.8.1.  When
> compiled with CFLAGS='', all non-root tests pass or are skipped.  But with
> the default CFLAGS='-g -O2', gcc miscompiles putchar() (basically, it
> replaces '\n' with '\0').  This breaks, among other things, the `yes'
> executable, and led to a runaway process in the testsuite that consumed my
> entire disk quota.  A truss log of a stripped-down yes.c is attached, to
> show how putchar() is miscompiled when optimized.  Is it worth putting a
> workaround into coreutils to accomodate this old platform/gcc combination,
> or should I just try again using the system cc or else upgrading gcc to
> the 3.x series?

Thanks for the report.
gcc-3.0 has been out for over 3 years, so I think
it's not worth much trouble to work around that bug.

But if you're interested, an autoconf run-test is
probably the way to go.  It'd make the configure
script detect the problem and exit nonzero.