wRAR, thank you for your excellent detective work.
Here's how you reproduce this build issue without even enabling parallel
build.
(Sadly I can't actually reproduce the brokenness from within
dpkg-buildpackage by setting parallel build options; maybe my machine
doesn't have as many cores as the EC2 machines. But the fix described
below does clarify the build process which should take care of the
problem.)
$ (rhash-1.2.9) rm rhash
$ (rhash-1.2.9) make rhash
gcc calc_sums.o hash_print.o common_func.o hash_update.o file_mask.o
file_set.o find_file.o hash_check.o output.o parse_cmdline.o rhash_main.o
win_utils.o -o rhash -Llibrhash -lrhash
librhash/librhash.a(plug_openssl.o): In function `load_openssl_runtime':
/tmp/rhash-1.2.9/librhash/plug_openssl.c:141: undefined reference to
`dlopen'
/tmp/rhash-1.2.9/librhash/plug_openssl.c:148: undefined reference to
`dlsym'
/tmp/rhash-1.2.9/librhash/plug_openssl.c:148: undefined reference to
`dlsym'
/tmp/rhash-1.2.9/librhash/plug_openssl.c:148: undefined reference to
`dlsym'
/tmp/rhash-1.2.9/librhash/plug_openssl.c:149: undefined reference to
`dlsym'
/tmp/rhash-1.2.9/librhash/plug_openssl.c:149: undefined reference to
`dlsym'
librhash/librhash.a(plug_openssl.o):/tmp/rhash-1.2.9/librhash/plug_openssl.c:149:
more undefined references to `dlsym' follow
librhash/librhash.a(plug_openssl.o): In function `load_openssl_runtime':
/tmp/rhash-1.2.9/librhash/plug_openssl.c:142: undefined reference to
`dlopen'
/tmp/rhash-1.2.9/librhash/plug_openssl.c:143: undefined reference to
`dlopen'
collect2: error: ld returned 1 exit status
make: *** [rhash] Error 1
When SHARED_TRG is just 'rhash', then the build gets confused in parallel
mode, I suppose. In principle, it's within its right to be confused;
you're asking it to do 'make rhash', after all.
So what I'm going to do is:
* Adjust debian/rules to *not* specify SHARED_TRG
* Right after rhash_shared is built, use 'mv' to rename it to 'rhash'
That's all it should take to fix this, I believe.
I'll prepare a 1-day delayed NMU for that. Maintainer, please feel free to
remove it; I don't mean to step on your toes, just to move this bug along.
I'll attach the debdiff here before doing the upload.
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