I checked the libraries used by pg_ctl and postmaster. They use proper libs without use LD_LIBRARY_PATH, but I used it "for safety" in the postmaster starting script.
One more big thanks.
Adam

Jorge Serván wrote:

The Libraries used are solved by the liker. Try ldd <exec file> to show the paths of the library that <exec file> needs. You can say to the linker where it can find your libraries (man ld).

Example 1: default paths from a default paths PostgreSQL installation.
$ ldd /usr/bin/psql
       libpq.so.3 => /usr/lib/libpq.so.3 (0x40029000)
       libpam.so.0 => /lib/libpam.so.0 (0x40044000)
       libssl.so.2 => /lib/libssl.so.2 (0x4004c000)
       libcrypto.so.2 => /lib/libcrypto.so.2 (0x40079000)
       libkrb5.so.3 => /usr/kerberos/lib/libkrb5.so.3 (0x4013c000)
       libcom_err.so.3 => /usr/kerberos/lib/libcom_err.so.3 (0x40194000)
       libz.so.1 => /usr/lib/libz.so.1 (0x40198000)
       libreadline.so.4 => /usr/lib/libreadline.so.4 (0x401a6000)
       libtermcap.so.2 => /lib/libtermcap.so.2 (0x401cc000)
       libcrypt.so.1 => /lib/libcrypt.so.1 (0x401d0000)
       libresolv.so.2 => /lib/libresolv.so.2 (0x401fd000)
       libnsl.so.1 => /lib/libnsl.so.1 (0x4020f000)
       libdl.so.2 => /lib/libdl.so.2 (0x40225000)
       libm.so.6 => /lib/i686/libm.so.6 (0x4022a000)
       libc.so.6 => /lib/i686/libc.so.6 (0x4024d000)
       libpthread.so.0 => /lib/i686/libpthread.so.0 (0x40388000)
libk5crypto.so.3 => /usr/kerberos/lib/libk5crypto.so.3 (0x4039d000)
       /lib/ld-linux.so.2 => /lib/ld-linux.so.2 (0x40000000)

Example 2: modified paths from a not default paths PostgreSQL installation.
Sitefdevel:~$ ldd $HOME/opt/postgres-8.1.5/bin/psql
$ echo "LD_LIBRARY_PATH=$LD_LIBRARY_PATH"
LD_LIBRARY_PATH=/home/cvsitef/opt/postgres-8.1.5/lib
libpq.so.4 => /home/cvsitef/opt/postgres-8.1.5/lib/libpq.so.4 (0x40018000)
       libz.so.1 => /usr/lib/libz.so.1 (0x40042000)
       libreadline.so.4 => /usr/lib/libreadline.so.4 (0x40050000)
       libtermcap.so.2 => /lib/libtermcap.so.2 (0x40076000)
       libcrypt.so.1 => /lib/libcrypt.so.1 (0x4007a000)
       libresolv.so.2 => /lib/libresolv.so.2 (0x400a7000)
       libnsl.so.1 => /lib/libnsl.so.1 (0x400b9000)
       libdl.so.2 => /lib/libdl.so.2 (0x400d0000)
       libm.so.6 => /lib/i686/libm.so.6 (0x400d4000)
       libc.so.6 => /lib/i686/libc.so.6 (0x400f7000)
       libpthread.so.0 => /lib/i686/libpthread.so.0 (0x40232000)
       /lib/ld-linux.so.2 => /lib/ld-linux.so.2 (0x40000000)

Best regards
Jorge Serván.

Adam Radłowski wrote:

I'm testing 8.1.3 and 8.1.6 of FC3 2.6.12 .
I have installed (compiled from source) two copies of PostgreSQL:
8.1.3 - typically in /usr/local/pgsql and I have configured path to these libs (in ld.so.conf): /usr/local/pgsql/lib 8.1.6 - not typically in /usr/local/pgsql816 (I edited before installing with "make install" src/Makefile.global and I changed "prefix" for install after "configure" and "make") I never use this two versions of postmaster parallel, so I use for them this same database cluster.

What libraries uses postmaster 8.1.6 in this situation ? Their own libs or taken from 8.1.3 ?

Best regards
Adam

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