GSL onto postgresql server 9.2

Yuriy Rusinov wrote:

I have to put some C-language functions onto postgresql server 9.2. These functions are used GSL
software library http://www.gnu.org/software/gsl/. In Makefile for these functions I wrote LD_FLAGS =
... -lgsl, On some source-based Linux distributions such as gentoo linux these functions successfully
installed onto server, but on rpm-based distributions such as fedora and others does not. gsl library
has to be compiled from sources, because some specific distributions does not have this one and rpm-
installation of this library does not allowed. Error message is "error <mylibrary>.so cannot load
libgsl.so.0 no such file" despite of gsl library was installed onto /usr/local, library files are
installed into /usr/local/lib. Where is the problem in postgresql or distribution ?

Read "man ld", the description of "search paths to locate
required shared libraries".

/usr/local/lib is not automatically searched.
I would either install the library in /usr/lib,
link the shared object with -Wl,-rpath,/usr/local/lib
or put /usr/local/lib into /etc/ld.so.conf and run
ldconfig.

Yours,
Laurenz Albe

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Thanks a lot.

I have compiled gsl with prefix=/usr and this is quite acceptable for us.

On Mon, Apr 15, 2013 at 2:30 PM, Albe Laurenz <laurenz.albe@wien.gv.at>wrote:

Yuriy Rusinov wrote:

I have to put some C-language functions onto postgresql server 9.2.

These functions are used GSL

software library http://www.gnu.org/software/gsl/. In Makefile for

these functions I wrote LD_FLAGS =

... -lgsl, On some source-based Linux distributions such as gentoo linux

these functions successfully

installed onto server, but on rpm-based distributions such as fedora and

others does not. gsl library

has to be compiled from sources, because some specific distributions

does not have this one and rpm-

installation of this library does not allowed. Error message is "error

<mylibrary>.so cannot load

libgsl.so.0 no such file" despite of gsl library was installed onto

/usr/local, library files are

installed into /usr/local/lib. Where is the problem in postgresql or

distribution ?

Read "man ld", the description of "search paths to locate
required shared libraries".

/usr/local/lib is not automatically searched.
I would either install the library in /usr/lib,
link the shared object with -Wl,-rpath,/usr/local/lib
or put /usr/local/lib into /etc/ld.so.conf and run
ldconfig.

Yours,
Laurenz Albe

--
Best regards,
Sincerely yours,
Yuriy Rusinov.