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Top Forums Programming How to make use others' C library installed not for the system-wide (Ubuntu/Linux)? Post 303043000 by GRMartin on Wednesday 15th of January 2020 02:05:02 PM
Old 01-15-2020
You can compile and link using compiler options. The library is referenced using -l<its_name_here> and the path to the library using -L/path/to/lib.


-I is for the path to include directories.


However, if the library isn't in a directory in the linkers path when you run the executable you'll get an error. One way to solve this is to use rpath option.


someting like:

Code:
gcc -Wall -O3 -o vcf_parser01 vcf.c vcf_parser01.c -Wl,-rpath,/home/yifangt/Study/C/VCF -L/home/yifangt/Study/C/VCF -lhtslib-1.10.2  2>err.txt


Note: I'm guessing what you need and what each item is. -I should be used with the path to header -l prepended to the library name and -L preceding the path to the library.

Last edited by GRMartin; 01-15-2020 at 03:22 PM..
 

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APR-1-CONFIG(1) 						   User Commands						   APR-1-CONFIG(1)

NAME
apr-1-config - Return metainformation about apr library SYNOPSIS
apr-1-config [OPTION] DESCRIPTION
The apr-1-config program is used to retrieve information about the apr library in the system. It is typically used to compile and link against the library. When linking with libtool, an application should do something like: APR_LIBS="`apr-1-config --link-libtool --libs`" or when linking directly: APR_LIBS="`apr-1-config --link-ld --libs`" An application should use the results of --cflags, --cppflags, --includes, and --ldflags in their build process. OPTIONS
Known values for OPTION are: --prefix[=DIR] change prefix to DIR --bindir print location where binaries are installed --includedir print location where headers are installed --cc print C compiler name --cpp print C preprocessor name and any required options --cflags print C compiler flags --cppflags print C preprocessor flags --includes print include information --ldflags print linker flags --libs print additional libraries to link against --srcdir print APR source directory --installbuilddir print APR build helper directory --link-ld print link switch(es) for linking to APR --link-libtool print the libtool inputs for linking to APR --shlib-path-var print the name of the shared library path env var --apr-la-file print the path to the .la file, if available --apr-so-ext print the extensions of shared objects on this platform --apr-lib-target print the libtool target information --apr-libtool print the path to APR's libtool --version print the APR's version as a dotted triple --help print the help AUTHOR
This manual page was written by Vincent Danjean <Vincent.Danjean@ens-lyon.org> for the Debian project (but may be used by others). apr-1-config 1.2.2 March 2006 APR-1-CONFIG(1)
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