glibc-2.0.93 homebrew distribution tests

[John Kennedy <jk@csuchico.edu>]

05/20/98 @ 08:03:24 AM (Wednesday)

  I took my homebrew distribution and tried to compile it with 2.0.93.
It went surprisingly well, although it won't boot (mount-2.7l croaks
with an "illegal instruction" during bootup, but seems to work well
for regular operation in a chrooted environment so I'll have to play).

  Most portability problems were caused by people using their own
prototypes rather than including the proper header files.  Prototypes for
strdup() in particular, although string functions (strcmp(), strncmp(),
strcpy() & strstr()) were popular.

  Many configure programs laying around check for HAVE_UTMP_H and
HAVE_UTMPX_H and end up in a strange state when you have both.  So far
I've been able to fix all of them by ignoring HAVE_UTMPX_H if I have
HAVE_UTMP_H defined.

  A bunch of programs expected "union semun" to be defined, but the
lack of it was covered in comments found in the right header files
(checking for _SEM_SEMUN_UNDEFINED, etc.).

  e2fsprogs had a blkcnt_t defined of their own, which conflicted
with 2.0.93's name.

  We used to have a <sys/module.h> at one point that prototyped
get_kernel_syms().  I don't know where that is these days.


  I build it in a chrooted environment, so I avoided some early problems
that got me later (mount -n -o remount,ro /) but got a good general feel.
I bootstrapped for 2.0.7pre3, compiled glibc-2.0.93 and proceeded to
recompile everything else.

  Some things that filed to compile that seemed to cause compiler problems
were lynx-2.8 & gnuplot-3.5 (croaking with sig11 & sig6, respectively).
Since I compiled vastly more complicated programs (mozilla and all of
X11R6 should do it for those two examples), I don't know what their
particular problem is yet.
								--- john
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