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POHow to link ruby pg to my own libpq.so
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  1. POHow to link ruby pg to my own libpq.so
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    copied!<p>I have customized my own postgresql client and postgresql client-devel package and I want it to be available to Ruby programmer. So the command to install ruby pg gem is as below:</p> <pre><code>gem install pg -- --with-pg-config=/usr/local/mypostgres-1.0/bin/pg_config --with-ldflags="-Wl,-rpath,/usr/local/mypostgres-1.0/lib" </code></pre> <p>The command works pretty good if there is only my own postgresql installed. </p> <p>My pg_config output looks good: </p> <pre><code>BINDIR = /usr/local/mypostgres-1.0/bin DOCDIR = /usr/local/mypostgres-1.0/doc HTMLDIR = /usr/local/mypostgres-1.0/doc INCLUDEDIR = /usr/local/mypostgres-1.0/include PKGINCLUDEDIR = /usr/local/mypostgres-1.0/include INCLUDEDIR-SERVER = /usr/local/mypostgres-1.0/include/server LIBDIR = /usr/local/mypostgres-1.0/lib PKGLIBDIR = /usr/local/mypostgres-1.0/lib LOCALEDIR = /usr/local/mypostgres-1.0/share/locale MANDIR = /usr/local/mypostgres-1.0/man SHAREDIR = /usr/local/mypostgres-1.0/share SYSCONFDIR = /usr/local/mypostgres-1.0/etc PGXS = /usr/local/mypostgres-1.0/lib/pgxs/src/makefiles/pgxs.mk VERSION = PostgreSQL 9.0.0 </code></pre> <p>However, if there are both official and my customized postgresql installed. The installed driver will be linked against official libpq.so instead of my own libpq.so. Is there any way to force ruby-pg to be linked against my own libpq.so? Any clue or hint will be appreciated.</p> <p>If I can't do this in this way, how would I customize the gem to link to my library?</p>
 

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