Programming :: Specify A Library Search Path To Configure's AC_CHECK_LIB?
Aug 31, 2010
I'm writing an application and want to make possible to compile it with or without an optional module. This module requires perl library to be compiled, so I want to check presence of it in 'autoconf'.
The problem exists because perl library is placed in 'non-standart' location itself (like a /usr/lib64/perl5/CORE/libperl.so). So when I try to run configure (with AC_CHECK_LIB or AC_SEARCH_LIBS), it cannot find and link libperl.so in its test.
Trying to pass ./configure CFLAGS=-L/usr/lib64/perl5/CORE/ or ./configure LDFLAGS=-L/usr/lib64/perl5/CORE/
How can I define a location to search for configure's tests?
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Jan 9, 2011
I'm writing an application with a plugin architecture and would like modify (specifically add to) the dynamic library search path while the main executable is running.
The plugin paths are not known until the application is running so I can't set LD_LIBRARY_PATH ahead of time.
My understanding (although I haven't tested it) is that the executable will only parse the LD_LIBRARY_PATH once, early on, so modifying this environment variable at runtime will have no effect.
(Note - on Windows the solution is to modify the PATH environment variable)
I know it's possible to specify the full path to load a dynamic library, and this would work if the plugin(s) only had a single library to load, but some of them will have a bunch of libraries with their own inter-dependencies, so I'd like the plugin folder(s) to get added to the search path to pick up the dependant libs.
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Jun 1, 2010
i'm using slackware 13.0 with glib2-2.18.4-i486-1 and gtk+2-2.14.7-i486-4 i need to install newer gtk+2, i've installed glib-2.25.7, but in my home directory, so how do i configure the gtk+2, so it points to the glib library path in my home directory. i've tried this command
Code:
./configure BASE_DEPENDENCIES_LIBS=/home/sadlie/.testapp/usr/lib
but it still comes with the same error message
Code:
Requested 'glib-2.0 >= 2.23.6' but version of GLib is 2.18.4
Requested 'atk >= 1.29.2' but version of Atk is 1.26.0
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Sep 2, 2009
I have an application with a complex binary build procedure which links against 30+ application library archives and an array of system library archives. The problem I'm having is the link ordering. Is there a way to tell the g++ linker to keep searching the libraries for unresolved references, regardless of order, instead of rearranging the order the archives are listed on the command line for a one-time-pass? I'm using g++ 3.2.3 on a Linux AS v3update6 machine.
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Apr 28, 2010
I'd like to get path of one library to link it dynamically in my program. Probobly the best way would be to add macro to my configure.ac file.
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Sep 1, 2009
I have the following path wher i want to replace forward slashes with back slashes using sed path=/temp/file.tar
I am using the following but it's not working.
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Aug 4, 2011
./configure script fails to configure libsf. Please check the following last few lines of configure script error.
But find command shows the following;
It seems the file libdb does exist. man dbopen displays man page for dbopen. I also tried to ln -s /usr/lib/libdb.a and libdb.so /lib dir but all were in vain.
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Aug 19, 2010
I trying to install rrdtool 1.4.4 in my Linux CentOS 5.5 distribution, but it requests a perl platform for rrd:
In other forums I found that I shall install this platform and I did that:
But how can you see, it requests librrd.so.4 library, but I can't find it.
Where can I find this library (librrd.so.4) ?
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Jul 9, 2009
I am facing the following error while running SplitOff.exe in machine 172.24.130.245 :
Error :
ld.so.1: SplitOff.exe: fatal: libstdc++.so.2.10.0: open failed: No such file or directory.This file is avilabe in ap/local/lib path.
how to include the path of exe in the ld library path [only System admin has permission]
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Sep 7, 2011
I would like to run a script from any location. The script is in ~/scripts, so I added ~/scripts to my PATH. However, since I have to run it with 'sh script.sh' (due to the permissions on the directory), it doesn't seem to look in PATH for the file script.sh. Is there a way to get it to do this?
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Jun 9, 2010
I would like to set run time library path in my makefile, so that my exe should search run time libraries in that path when executed. How to set this in makefile?
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May 13, 2010
I am trying to setup DNS domain name in my server (Fedora), which has static ip address.First, I put the DNS domain name in system-config-network->DNS->DNS search path. After restarting the network, it is deleted automatically.second, so I put the DNS domain name in /etc/resolv.conf as search mydomainname . After network restart, it is also deleted automatically.In both case domain name did not work (i.e, I can't connect to my server from outside using domain name, I can by ip address, internet is working fine).However, I found that the domain name is written in /etc/sysconfig/network-scripts/ifcfg-eth0 with search=mydominaname.
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Aug 31, 2010
I am trying to find the permissions of the directories in the $PATH variable.
I am trying to use the following:
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Sep 24, 2009
I have a /data and /backup. on backup there is a folder called Info that has a bunch of data on it, but its not shared through Samba. So what I'm thinking is that on one of my Samba shares on data there is a folder which is really just a link to that /backup/Info folder. Is there an easy way to search through /data to see if there's a link to it, or do i have to manually go through and do a ton of ls's?
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Jan 10, 2010
I was wondering if there is an argument I can pass to the configuration file to have it use a library from a non-standard path to compile with - for example I would like it to use my perl located in /scratchbox/users/jeff91/usr/bin/perl instead of the standard /usr/bin/perl
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Apr 7, 2009
I'm reading about shared, static, and dynamic libraries. What is SDL? Is it static, shared, or dynamic?
I always thought a library would be a lot of .h and .cpp files compiled separately into .o files and then if you compiled your own program you could use the -l parameter to link the library and it was all compiled together. Now I'm not so sure.
I don't even see any SDL .cpp files in my system anywhere. All I have are lots of SDL .h files in /usr/include/SDL and I don't really understand the code in them.
I'm making a wild guess here: SDL is a shared library. SDL itself is NOT compiled into my program, therefore SDL must be on any system my program tries to run on. When I compile and link SDL all it needs is the header files to know what SDL function and objects it can use. And then on every system it uses an already compiled SDL shared library thingy somewhere.
So... where is that part of SDL? All I can find are header files.
I'm thinking the advantage of shared libraries is that someone could say update SDL on their own system and take advantage of the new features without having to download new executables with the new version of SDL compiled into them for every program that uses SDL.
So if I'm making an editor and a game engine and they both use a lot of the same .cpp and .h files that I wrote and I'm tired of updating one and then the other and I need to turn them into a library, then a shared library might be kind of a silly solution. I could just make a static library. Right? Because it's not SDL. Nobody else is ever going to use this library.
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Apr 10, 2010
when i search in nautilus folder browser it search in my home path,how i can say to search in the current path?
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Aug 5, 2011
I am using json library for my application. I have mentioned the path where the library resides in the LD_LIBRARY_PATH. while compiling i have given the following commands.
gcc -o pafitest pafi_test_app.o -ljson
but still i am getting this following error.
/usr/bin/ld: cannot find -ljson
collect2: ld returned 1 exit status
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Jul 17, 2009
Java applet not loading image with relative path(e.g. images/1.jpg) but loads image with absolute path(i.e. from /root/user/images/1.jpg) . This is a problem when i want to host the applet on web server
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Aug 16, 2011
I just installed Netsurf, but I was confronted with "libnsbmp is not installed". So I installed libnsbmp.
The error "libnsgif is not installed" appeared when installing libnsbmp.
The error "libpng is not installed" appearded when installing libpnf.
...
I installed all that I was asked to install. However, when I was installing libcss, it said that "Package libparserutils was not found in the pkg-config search path. Perhaps you should add the directory containing 'libparserutils.pc' to the PKG_CONFIG_PATH environment variable". I have already installed libparsercutils but not in the /usr/lib dir.
What should I do to continue my installation? And anyone could tell me what are those lib stuff? I installed zlib with the apt-get install command.Can I get other lib stuff with the same command?
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Dec 8, 2009
I need a command to search for any file in a directory like so:
/home/*/upload/* and then change permissions any file in that directory.
Find doesn't seem to match what I need.
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Jul 15, 2009
I've setup dimdim (opensource, centos 5.3) and noticed yum & rpm commands fail when executed as root because it uses librpmio from openoffice3 instead of /usr/lib (I'm running from memory so I may have misstyped). But sudo doesn't have this problem.
How can root's search path be different, especially after I state /usr & /usr/lib at the top of /etc/ld.so.conf.
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Jun 15, 2011
I've just built gcc 4.6.0 by myself since there is no update in Mandriva yet and I really needed the updated version, but I must be missing something in its configuration. I added ~/apps/gcc460/bin in front of my PATH, and the lib dir to my LD_LIBRARY_PATH in my .bash_profile, like so:
Code:
PATH=$HOME/apps/gcc460/bin:$PATH:$HOME/apps/bin
LD_LIBRARY_PATH=/home/duckz/apps/intel/composerxe-2011.4.191/lib/intel64/:/home/duckz/apps/gcc460/lib/
LD_RUN_PATH=/home/duckz/apps/intel/composerxe-2011.4.191/lib/intel64/:/home/duckz/apps/gcc460/lib/
export PATH
export LD_LIBRARY_PATH
export LD_RUN_PATH
I still have gcc 4.4.2 installed, but it's now hidden, so gcc --version correctly yields 4.6.0. I finally tried to build my project, all went fine, but at the moment of running it I get:
Code:
./EugGame.Release.Linux: /usr/lib64/libstdc++.so.6: version `GLIBCXX_3.4.15' not found (required by ./EugGame.Release.Linux)
I assume the correct version is the one located in ~/apps/gcc460/lib, but how do I make my project load the correct lib? Is it possible at all to have two versions of gcc on the same machine? I just found that I should've added lib64 to my LD_LIBRARY_PATH instead of lib. Anyways, even if the problem is solved, I'd like to hear if my configuration is well made or if I should leave LD_LIBRARY_PATH unset and use some other way to override the default search path for stdlib.
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Mar 19, 2009
Before reboot,
$ cat /etc/resolv.conf
; generated by /sbin/dhclient-script
nameserver 172.20.10.22
search mycomp.local myhost.com
After reboot, the search path in resolv.conf is overwritten by the hostname.
$ cat /etc/resolv.conf
; generated by /sbin/dhclient-script
nameserver 172.20.10.22
search penguin
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Nov 18, 2009
How can we convert a dynamic library (filename.so) to a static library (filename.a) using gnu gcc . Can we get a static library form a dynamic library . I saw a few post in which the conversion form a static library to a dynamic library is mentioned but, unfortunately, not the other way.
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Aug 13, 2010
Does anyone know how to get the path with a inode number by C programming?
Or can I get the absolute path without giving a "path" but a inode number by C?
like this: get_path(unsigned inode);
not such this function: getcwd(".", xxx);
taowuwen@gmail.com
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Nov 9, 2010
I have downloaded PGF for latex in my home directory.[URL]..How can I configure latex to access to the library in my home?
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Nov 4, 2010
I'm trying to install gazebo but I would like the general solution. When I type "./configure" I get the error: "could not find gdal_priv.h" or sometimes "could not find gdal library" But I have it on my computer. It is: usr/include/gdal/gdal_priv.h This means configure is not looking in the right place for this library. Where is the path stored, please? I tried reading the configure file but I could not find it. I tried to replace all instances of gdal_priv.h by gdal/gdal_priv.h but this did not work either. I tried adding /usr/include/gdal to all the env PATH_something_or_other I could see. how to tell to ./configure where to look for libraries. What file(s) should I edit? (I tried config.status, because it contains /usr/include stuff). The files I have are:
[code]...
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Feb 18, 2011
How to fix this error :
Code:
checking for Qt4... no
configure: error: The QtCore library >= 4.3.0 could not be found.
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May 8, 2010
configure: error: readline library not found If you have readline already installed, see config.log for details on the failure. It is possible the compiler isn't looking in the proper directory. Use --without-readline to disable readline support. Now I tried to yum install readline-devel and the result was failure as below:
Quote:
[root@localhost ~]# yum install readline-devel-6.0-3.fc12.i686.rpm
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
[code]....
So I am thinking that maybe I have to tell configure where my readline libraries are. From the above, it looks like readline-6.0 is not on my computer, even though I went through the configure/build/install process for it.
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