-fPIE -pie builds fail

Bron Gondwana brong at fastmail.fm
Tue Mar 29 06:38:58 EDT 2011

On Tue, 29 Mar 2011 10:42:16 +0200
Ondřej Surý <ondrej at sury.org> wrote:

> Just a reply to myself. If called as --with-com_err="" it links with
> shared library just fine and -fPIE -pie seems to compile just OK. I am
> going to test if it runs ok...

Hmm.. interesting.  We run on Squeeze 64 bit on our production machines.
Just going to check how we're building...

-g -fPIC -W -Wall -fstack-protector-all

Yep, but no PIE.  And that's probably because of the com_err stuff.

I'll try on my local box (Debian testing) and see what shakes out.
Yep, same issue.  Then this:

cc  -shared -O2 -g -L/usr/local/lib -fstack-protector IMAP.o  -o blib/arch/auto/Cyrus/IMAP/IMAP.so ../../lib/libcyrus.a ../../lib/libcyrus_min.a	\
	   -ldb-4.8 -lsasl2 -lz -lssl -lcrypto  	\
/usr/bin/ld: ../../lib/libcyrus.a(imclient.o): relocation R_X86_64_PC32 against symbol `imclient_addcallback' can not be used when making a shared object; recompile with -fPIC
/usr/bin/ld: final link failed: Bad value

which looks to me like the -fPIC and friends aren't being passed down to
the Perl library generation.

I'd love patches to fix this.  I really don't know as much as I should about
this part of the process.


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