of course, I meant --as-needed rather than --as-necessary
Andrew Dunstan wrote:
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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