And after that, we come to the real problem, which manifests during make test (and which you can see is again to do with the linker): 
$ make test
"/usr/bin/perl" -MExtUtils::Command::MM -e 'cp_nonempty' -- SimpleServ
+er.bs blib/arch/auto/Net/Z3950/SimpleServer/SimpleServer.bs 644
PERL_DL_NONLAZY=1 "/usr/bin/perl" "-Iblib/lib" "-Iblib/arch" test.pl
1..4
Can't load 'blib/arch/auto/Net/Z3950/SimpleServer/SimpleServer.bundle'
+ for module Net::Z3950::SimpleServer: dlopen(blib/arch/auto/Net/Z3950
+/SimpleServer/SimpleServer.bundle, 0x0002): tried: 'blib/arch/auto/Ne
+t/Z3950/SimpleServer/SimpleServer.bundle' (relative path not allowed 
+in hardened program) at /System/Library/Perl/5.30/darwin-thread-multi
+-2level/DynaLoader.pm line 197.
� at test.pl line 11.
Compilation failed in require at test.pl line 11.
BEGIN failed--compilation aborted at test.pl line 11.
not ok 1
make: *** [test_dynamic] Error 2

[download]
That "relative path not allowed" actually prevents the tests from running, and my real question is, why is this a hardened program at all? My favoured solution would be to not have the program hardened while I'm working on it!

Anyway: I can force this to work my modifying the Makefile.PL to use an absolute path for the ARCHLIB: 

sub MY::postamble { 'INST_ARCHLIB = `pwd`/blib/arch' }

[download]
which makes the -I argument absolute. Then the tests run OK (which proves that the "mostly harmless" warnings really were mostly harmless: the necessary libraries were loaded OK for the tests.)

But that "solution" is no good, not only because it's horribly inelegant and knows too much about what ExtUtils::MakeMaker is doing, but more significantly because it prevents make install from working.

In reply to Re^5: Warning (mostly harmless): No library found for -lxml2 by MikeTaylor
in thread Warning (mostly harmless): No library found for -lxml2 by MikeTaylor

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