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On Thu, Jan 28, 2010 at 04:17:41PM +0100, Beber wrote:
> So, I did a wrapper to emerge --buildpkg to create tbz2 with SHA1 in
> names function of USE, like :
> USE="+chroot +ipv6 -ssl -test -samba -smi"
> is placed under /data/pkg/amd64/x86_64-pc-linux-gnu/net-analyzer/tcpdump-4.0.1_pre20090709+2bf4bfffad82d4ae519f76770b4f7db7b4416738.tbz2
> USE="+chroot +ipv6 +ssl -test +samba -smi"
> is placed under /data/pkg/amd64/x86_64-pc-linux-gnu/net-analyzer/tcpdump-4.0.1_pre20090709+5e099e8337e4cadfceda6ccf4c881fbb495980bd.tbz2
A word of warning on this.
Simply capturing the USE flags is not enough, the libraries that a
binary is linked against can cause problems as well, as the dependency
imposed by linking is much stricter than the RDEPEND in the ebuild.
tcpdump for example has:
RDEPEND="... ssl? ( >=dev-libs/openssl-0.9.6m )"
But if you built and linked against openssl-0.9.7*, then upgraded to
openssl-0.9.8, you can expect breakage.
Similar things happened with binaries linked against libmysqlclient in
As to my own take on a solution to the problem for work stuff, we simply
maintain one chroot per unique environment (we only have 5 envs), and
build in the chroot, then use those binpkgs on the boxes.
Robin Hugh Johnson
Gentoo Linux: Developer, Trustee & Infrastructure Lead
E-Mail : firstname.lastname@example.org
GnuPG FP : 11AC BA4F 4778 E3F6 E4ED F38E B27B 944E 3488 4E85