What parameters were used to compile openSUSE binaries?

Hi,
I want to compile some packages like squid by myself to have the latest version available.
What compile-parameters (e.g. ./configure --install-dir=/usr/sw/) where used for the packages that come with openSUSE 11.1 for samba, squid, etc? I want to use the same paths, etc.

Regards, Ulf

PS: I did several searches, with no success. If this is an FAQ topic, please point me to the URL. Thanks.

Snippet from the squid spec file

# ./configure --prefix=/usr \  
#     --sysconfdir=%{squidconfdir} \  
#     --bindir=/usr/sbin \  
#     --sbindir=/usr/sbin \  
#     --localstatedir=/var \  
#     --libexecdir=/usr/sbin \  
#     --datadir=/usr/share/squid \  
#     --mandir=%{_mandir} \  
#     --with-dl \  
#     --with-maxfd=4096 \  
# %ifarch %ix86 x86_64 ppc ppc64  
#     --with-valgrind-debug \  
# %endif  
#     --enable-snmp \  
#     --enable-carp \  
#     --enable-useragent-log \  
#     --enable-auth="basic digest negotiate ntlm" \  
#     --enable-basic-auth-helpers="LDAP MSNT NCSA PAM SMB YP getpwnam multi-domain-NTLM" \  
#     --enable-ntlm-auth-helpers="SMB fakeauth no_check" \  
#     --enable-digest-auth-helpers="ldap password" \  
#     --enable-external-acl-helpers="ip_user ldap_group session unix_group wbinfo_group" \  
#     --enable-ntlm-fail-open \  
#     --enable-referer-log \  
#     --enable-arp-acl \  
#     --enable-htcp \  
#     --enable-underscores \  
#     --enable-stacktraces \  
#     --enable-delay-pools \  
#     --enable-useragent-log \  
#     --enable-referer-log \  
#     --enable-forward-log \  
#     --enable-multicast-miss \  
#     --enable-ssl \  
#     --enable-cache-digests \  
#     --enable-auth-on-acceleration \  
#     --enable-storeio="aufs,coss,diskd,null,ufs" \  
#     --enable-linux-netfilter \  
#     --enable-removal-policies="heap,lru" \  
#     --enable-icmp \  
#     --with-samba-sources=/usr/include/samba \  
#     --enable-large-cache-files \  
#     --enable-x-accelerator-vary \  
#     --enable-follow-x-forwarded-for

https://build.opensuse.org/package/view_file?file=squid.spec&package=squid&project=openSUSE%3AFactory