ld

GNU linker

TLDR

Link object files

$ ld -o [output] [file1.o] [file2.o]

Link with library

$ ld -o [output] [file.o] -l[library]

Specify library path

$ ld -o [output] [file.o] -L[/path/to/lib] -l[name]

Link shared library

$ ld -shared -o [lib.so] [file.o]

Entry point

$ ld -e [main] -o [output] [file.o]

Verbose linking

$ ld -v -o [output] [file.o]

SYNOPSIS

ld [options] files

DESCRIPTION

ld is the GNU linker. It combines object files into executables or libraries.The linker resolves symbols and relocates code. It's typically invoked through gcc rather than directly.

PARAMETERS

FILES

Object files to link.

-o FILE

Output file name.

-l NAME

Link with library.

-L DIR

Library search path.

-shared

Create shared library.

-e SYMBOL

Entry point symbol.

-v

Verbose output.

--help

Display help information.

INSTALL

sudo apt install binutils

sudo dnf install binutils

sudo pacman -S binutils

sudo apk add binutils

sudo zypper install binutils

brew install binutils

nix profile install nixpkgs#binutils

CAVEATS

Usually called via gcc. Complex options. Platform-specific.

HISTORY

ld is the GNU project linker, part of binutils, providing linking for the GNU toolchain.