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Full Discussion: How to make use others' C library installed not for the system-wide (Ubuntu/Linux)?
Top Forums Programming How to make use others' C library installed not for the system-wide (Ubuntu/Linux)? Post 303043006 by yifangt on Wednesday 15th of January 2020 05:28:11 PM
Old 01-15-2020
Come to ld_config now
The compiling worked after:
Code:
$ LIBROOT="/home/yifangt/Study/C/VCF/htslib-1.10.2"
$ gcc -Wall -O3 -o vcf_parser01 vcf_parser01.c vcf.c  -I ${LIBROOT}/htslib -I ${LIBROOT} -L ${LIBROOT}  -lhts
$ ./vcf_parser01: error while loading shared libraries: libhts.so.3: cannot open shared object file: No such file or directory
$ ldd ./vcf_parser01
    linux-vdso.so.1 (0x00007ffdde13d000)
    libhts.so.3 => not found
    libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007fa2c16bd000)
    /lib64/ld-linux-x86-64.so.2 (0x00007fa2c1cb0000)

It seems I'm getting closer to the point now. The shared library libhts.so.3 is located in ${LIBROOT}.
I did not mean to be lazy without digging the ld_config(?) or related subjects, but simply to stay consistent with this same example to avoid confusion.
How to ensure the dynamic library is available for the new executable vcf_parser01 just compiled?

Thanks!
Last edited by yifangt; 01-15-2020 at 06:40 PM.. Reason: adding now info
 

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LEARN ABOUT DEBIAN

pull-lp-source

PULL-LP-SOURCE(1)					      General Commands Manual						 PULL-LP-SOURCE(1)

NAME

       pull-lp-source - download a source package from Launchpad

SYNOPSIS

       pull-lp-source [options] source package [release|version]

DESCRIPTION

       pull-lp-source  downloads  and  extracts  the  specified version of <source package> from Launchpad, or the latest version of the specified
       release.  To request a version from a particular pocket say release-pocket (with a magic -release for only the release pocket).	If no ver-
       sion or release is specified, the latest version in the development release will be downloaded.

OPTIONS

       Listed below are the command line options for pull-lp-source:

       source package
	      This is the source package that you would like to be downloaded from Launchpad.

       version
	      This is the version of the source package to be downloaded.

       release
	      This  is	the  release that you would like the source package to be downloaded from.  This value defaults to the current development
	      release.

       -h, --help
	      Display a help message and exit.

       -d, --download-only
	      Do not extract the source package.

       -m UBUNTU_MIRROR, --mirror=UBUNTU_MIRROR
	      Use the specified Ubuntu mirror.	Should be in the form http://archive.ubuntu.com/ubuntu.  If the package isn't found on	this  mir-
	      ror, pull-lp-source will fall back to Launchpad, as its name implies.

       --no-conf
	      Do not read any configuration files, or configuration from environment variables.

ENVIRONMENT

       All  of	the  CONFIGURATION  VARIABLES  below are also supported as environment variables.  Variables in the environment take precedence to
       those in configuration files.

       DIST   Specifies the default target.

CONFIGURATION VARIABLES

       The following variables can be set in the environment or in ubuntu-dev-tools(5) configuration files.  In  each  case,  the  script-specific
       variable takes precedence over the package-wide variable.

       PULL_LP_SOURCE_UBUNTU_MIRROR, UBUNTUTOOLS_UBUNTU_MIRROR
	      The default value for --mirror.

SEE ALSO

       dget(1), pull-debian-source(1), pull-debian-debdiff(1), ubuntu-dev-tools(5)

AUTHOR

       pull-lp-source  and  this manual page were written by Iain Lane <iain@orangesquash.org.uk>.  Both are released under the GNU General Public
       License, version 3 or later.

ubuntu-dev-tools						   4 August 2008						 PULL-LP-SOURCE(1)
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