[Boost-users] [Build] Mimicking my Fedora13 Boost installation.

Subject: [Boost-users] [Build] Mimicking my Fedora13 Boost installation.
From: Robert Jones (robertgbjones_at_[hidden])
Date: 2011-01-11 08:34:32

I have Boost installed as part of my Fedora13/64-bit system, at Boost 1.41.
I now want install Boost 1.45, but need to keep the original around for
backwards
compatibility issues, so I'm putting my 1.45 build somewhere else, and and I
want
it look as much like the original 1.41 build as possible, but be 1.45.

So I built with this command

> ./bjam --prefix=/usr/local/boost_1_45_0 threading=single
--runtime-link=shared --link=shared --layout=tagged install

then listing all the Boost regex (regex chosen at random) I find

> find /usr -name 'libboost_regex*'

187532    0 lrwxrwxrwx   1 root     root           24 Sep 21 16:25
/usr/lib64/libboost_regex.so -> libboost_regex.so.1.41.0
142821  972 -rwxr-xr-x   1 root     root       994792 Jun  4  2010
/usr/lib64/libboost_regex.so.1.41.0
540038 2356 -rw-r--r--   1 root     root      2410606 Jan 11 11:56
/usr/local/boost_1_45_0/lib/libboost_regex.a
540030 1132 -rwxr-xr-x   1 root     root      1156757 Jan 11 11:55
/usr/local/boost_1_45_0/lib/libboost_regex.so.1.45.0
540031    0 lrwxrwxrwx   1 root     root           24 Jan 11 11:55
/usr/local/boost_1_45_0/lib/libboost_regex.so -> libboost_regex.so.1.45.0

which seems to show an extra .a compared to my Fedora 'default'
installation.

How come?
Do I need it?
Can I determine the bjam flags that Fedora used originally?

Thx,

- Rob.