GCC

GCC C Compiler

GCC is a short of GNU Compiler Collection, a C compiler for Linux.

• gcc syntax
• gcc options
• gcc examples
• gcc code generator

GCC syntax

$ gcc [options] [source files] [object files] [-o output file]

GCC options

GCC main options:

GCC examples

Compile file1.c and file2.c and link to output file execfile:

$ gcc file1.c file2.c -o execfile

Run output file execfile:

$ ./execfile

Compile file1.c and file2.c without linking:

$ gcc -c file1.c file2.c

Compile myfile.c with debug information and link to output file execfile:

$ gcc -g myfile.c -o execfile

Compile myfile.c with warning messages enabled and link to output file execfile:

$ gcc -Wall myfile.c -o execfile

Compile myfile.c with and link with static library libmath.a located in /user/local/math to output file execfile:

$ gcc -static myfile.c -L/user/local/math -lmath -o execfile

Compile myfile.c with optimization and link to output file execfile:

$ gcc -O myfile.c -o execfile

GCC code generator

Programming language:	C C++ Java Objective C Objective C++ Fortran Ada Assembler
Compiler:
Build type:	Executable program Static library Shared library
Options
	Warning messages level:	Inhibit (-w) Default All (-Wall) Extra (-Wextra)
	Debug level:	None Minimum (-g1) Regular (-g) Maximum (-g3)
	Optimization level:	None (-O0) Basic (-O) Medium (-O2) High (-O3) Size (-Os)
	Print compilation info (-v)
Files / folders
Source files:			all
Object files:			all
Include directories:
Library files:
Library directories:
Output file:
Generate GCC Code Reset
Select Code Copy code and paste it in terminal.