Intel® C++ Compiler Classic Developer Guide and Reference

ID 767249
Date 7/13/2023
Public
Document Table of Contents

File Extensions

Input File Extensions

The Intel® C++ Compiler Classic recognizes input files with the extensions listed in the following table:

File Name

Interpretation

Action

file.c

C source file

Passed to compiler

file.C
file.CC
file.cc
file.cpp
file.cxx

C++ source file

Passed to compiler

file.lib (Windows)


file.a
file.so (Linux and macOS)

file.dylib (macOS)

Library file

Passed to linker

file.i

Preprocessed file

Passed to compiler

file.obj (Windows)


file.o (Linux and macOS)

Object file

Passed to linker

file.asm (Windows)


file.s (Linux and macOS)

file.S (Linux and macOS)

Assembly file

Passed to assembler

Output File Extensions

The Intel® C++ Compiler Classic produces output files with the extensions listed in the following table:

File Name

Description

file.i

Preprocessed file: Produced with the -E option.

file.o (Linux and macOS)

file.obj (Windows)

Object file: Produced with the -c (Linux, macOS, and Windows) object. The /Fo (Windows) or -o (Linux) option allows you to rename the output object file.

file.s (Linux and macOS)

file.asm (Windows)

Assembly language file: Produced with the -S option. The /Fa (Windows) or -s (Linux) option allows you to rename the output assembly file.

a.out (Linux and macOS)

file.exe (Windows)

Executable file: Produced by the default compilation.

The /Fe (Windows) or -o (Linux) option allows you to rename the output executable file.