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<== Date ==> <== Thread ==>

Subject: RE: rpath compiling?
From: "Adams, Billy R. (LARC-D401B)[RAYTHEON TECHNICAL SERVICES CO]" <[email protected]>
To: "Heinrich du Toit" <[email protected]>, "TechTalk EPICS" <[email protected]>
Date: Fri, 17 Aug 2007 08:06:28 -0500
Title: RE: rpath compiling?

Heinrich,

     Below are examples of how I control both the library path and the installation path using the "tcsh shell" in unix.

##### With ($FACILITY, R$EPICS_VERSION, base-$EPICS_VERSION) defined:
##### set the LD_LIBRARY_PATH
setenv LD_LIBRARY_PATH "/ade/$FACILITY/epics/R$EPICS_VERSION/base-$EPICS_VERSION/lib/linux-x86"
setenv LD_LIBRARY_PATH "${LD_LIBRARY_PATH}:/usr/X11R6/lib"
setenv LD_LIBRARY_PATH "${LD_LIBRARY_PATH}:/usr/lib"
setenv LD_LIBRARY_PATH "${LD_LIBRARY_PATH}:/usr/local/lib"


# To Set EPICS installation directory:

R3.14.5
in base-3.14.5/configure/RELEASE
EXAMPLE:        RELEASE.linux-x86
                set INSTALL_LOCATION=/usr/local/epics-3.14.5

R3.14.8.2
in base-3.14.8.2/configure/RELEASE
EXAMPLE:        RELEASE.linux-x86
                set INSTALL_LOCATION=/usr/local/epics-3.14.8.2

Billy R. Adams

-----Original Message-----
From: [email protected] on behalf of Heinrich du Toit
Sent: Fri 08/17/07 2:51 AM
To: TechTalk EPICS
Subject: rpath compiling?

Hi

I'm trying to built an ubuntu package for EPICS :)
Just so that I don't have to compile the thing on every client out
there. - Some machines don't really need gcc and all that development
stuff

Anyways.
I'm having a bit of trouble with the way EPICS links to it's own .so
files.
(linux-x86)

It seems that the compile thing sets --rpath in the linker.
This way it links to a specific directory.
Problem is that this directory is not the same when built and installed.
So I would like to have it built without rpath set.
Then install the .so files to /usr/lib
And then normal ld.so stuff in linux can link it up.

My question is - how do I get EPICS to not link to a specific directory?

This seems like a chicken-egg problem..
As I want to compile the things linked to libraries that will only be
installed later. :(

Any help will be appreciated
-Heinrich






References:
rpath compiling? Heinrich du Toit

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