HP-UX 10.20 g10_log_fatal et al unresolved references

[Bob Proulx]

gnupg-1.0.7 on HP-UX 10.20 fails to build due to unresolved symbols
for g10_log_fatal and g10_log_error when trying to build rndunix,
tiger, etc. in ./cipher.  Those exist in ./util/libutil.a which is not
included.  How does this work on GNU/Linux?  I don't know.

On Debian GNU/Linux 'unstable' today's bits:

  tar xzvf gnupg-1.0.7.tar.gz
  cd ./gnupg-1.0.7.tar.gz
  ./configure
  make
  cd ./cipher
  gcc -DHAVE_CONFIG_H -I. -I. -I.. -I.. -I../include -I../intl    -g \
  -O2 -Wall -DIS_MODULE -shared -fPIC -v -c ./rndunix.c

That last just to create a .o file so I can set up the question.  Then
do the following.

  gcc -g -shared -o rndunix ./rndunix.o

That works and creates rndunix.  Where did g10_log_fatal get linked
from?  I don't know.

  gcc -g -o rndunix ./rndunix.o

That fails with these messages.

  /usr/lib/crt1.o: In function `_start':
  /usr/lib/crt1.o(.text+0x18): undefined reference to `main'
  ./rndunix.o: In function `start_gatherer':
  ./rndunix.c:652: undefined reference to `g10_log_info'
  ./rndunix.c:687: undefined reference to `g10_log_error'
  ./rndunix.o: In function `gather_random':
  ./rndunix.c:786: undefined reference to `g10_log_bug0'
  ./rndunix.c:810: undefined reference to `g10_log_error'
  collect2: ld returned 1 exit status

Which leaves me very confused.  How does this work on GNU/Linux?  It
does not look like it *should* work and therefore I can't debug this
further on HP-UX.

All else on HP-UX 10.20 build went smoothly with no trouble.  The only
special thing I needed to do was to add --disable-asm since the
included assembly language routines were giving suspicious warnings.
And for me correct functionality is more important that speed.

Thanks
Bob
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