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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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OCAMLMKLIB(1)						      General Commands Manual						     OCAMLMKLIB(1)

NAME
ocamlmklib - generate libraries with mixed C / Caml code. SYNOPSIS
ocalmklib [options] files DESCRIPTION
The ocamlmklib command facilitates the construction of libraries containing both Caml code and C code, and usable both in static linking and dynamic linking modes. OPTIONS
-h, --help Show summary of options. -cclib lib C library passed to ocamlc -a or ocamlopt(1) -a only. -ccopt opt C option passed to ocamlc(1) -a or ocamlopt(1) -a only. -custom Disable dynamic loading. -dllpath dir Add dir to the run-time search path for DLLs. -I dir Add dir to the path searched for Caml object files. -failsafe Fall back to static linking if DLL construction failed. -ldopt opt C option passed to the shared linker only. -linkall Build Caml archive with link-all behavior. -llib Specify a dependent C library. -Ldir Add dir to the path searched for C libraries. -ocamlc cmd Use cmd in place of ocamlc(1). -ocamlopt cmd Use cmd in place of ocamlopt(1). -o name Generated Caml library is named name.cma or name.cmxa. -oc name Generated C library is named dllname.so or libname.a. -rpath dir Same as -dllpath dir. -Rdir Same as -rpath. -verbose Print commands before executing them. -Wl, -rpath dir Same as -dllpath dir. -Wl, -rpath -Wl dir Same as -dllpath dir. -Wl, -Rdir Same as -dllpath dir. -Fdir Specify a framework directory (MacOSX). -framework name Use framework name (MacOSX). SEE ALSO
ocamlc(1), ocamlopt(1). AUTHOR
This manual page was written by Samuel Mimram <samuel.mimram@ens-lyon.org>, for the Debian project (but may be used by others). August 19, 2004 OCAMLMKLIB(1)
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