From: Andrew Dunstan <andrew@dunslane.net>
To: Dennis Bjorklund <db@zigo.dhs.org>
Cc: Bruce Momjian <pgman@candle.pha.pa.us>
Cc: Thomas Hallgren <thhal@mailblocks.com>
Cc: pgsql-hackers@postgresql.org
Subject: Re: Use of zlib
Date: Sun, 26 Sep 2004 09:28:34 -0400
Message-ID: <4156C402.7080509@dunslane.net> (raw)
In-Reply-To: <Pine.LNX.4.44.0409260625340.9559-100000@zigo.dhs.org>
References: <Pine.LNX.4.44.0409260625340.9559-100000@zigo.dhs.org>
Dennis Bjorklund wrote:
>This is the output in Fedora Core 2, and it includes readline:
>
>$ ldd /usr/bin/postgres
> linux-gate.so.1 => (0x00240000)
> libpam.so.0 => /lib/libpam.so.0 (0x00cf1000)
> libssl.so.4 => /lib/libssl.so.4 (0x0014e000)
> libcrypto.so.4 => /lib/libcrypto.so.4 (0x00241000)
> libkrb5.so.3 => /usr/lib/libkrb5.so.3 (0x0052a000)
> libcom_err.so.2 => /lib/libcom_err.so.2 (0x00e56000)
> libz.so.1 => /usr/lib/libz.so.1 (0x00aca000)
> libreadline.so.4 => /usr/lib/libreadline.so.4 (0x00111000)
> libtermcap.so.2 => /lib/libtermcap.so.2 (0x00f25000)
> libcrypt.so.1 => /lib/libcrypt.so.1 (0x00406000)
> libresolv.so.2 => /lib/libresolv.so.2 (0x00f8a000)
> libnsl.so.1 => /lib/libnsl.so.1 (0x00215000)
> libdl.so.2 => /lib/libdl.so.2 (0x00908000)
> libm.so.6 => /lib/tls/libm.so.6 (0x008a5000)
> libc.so.6 => /lib/tls/libc.so.6 (0x00592000)
> libgssapi_krb5.so.2 => /usr/lib/libgssapi_krb5.so.2 (0x00a57000)
> libk5crypto.so.3 => /usr/lib/libk5crypto.so.3 (0x00ccd000)
> /lib/ld-linux.so.2 => /lib/ld-linux.so.2 (0x004ca000)
>
>
>
>
Now, to see the things postgres really needs, as opposed to things other
libraries need or that we just throw in for good measure in case
somebody needs them, run this:
LDFLAGS=-Wl,--as-necessary ./configure
without any third-party options (like pam, openssl, kerberos ...),
Alternatively, you can set the flag in src/Makefile.global
This should work on FC2, which I believe has binutils 2.15.
Almost every line above will disappear.
cheers
andrew
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To: pgsql-hackers@postgresql.org
Cc: andrew@dunslane.net, db@zigo.dhs.org, pgman@candle.pha.pa.us, thhal@mailblocks.com
Subject: Re: Use of zlib
In-Reply-To: <4156C402.7080509@dunslane.net>
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