GCC (GNU Compiler Collection) is a collection of programming language compilers, including C, C++, Objective-C, Fortran, Ada, and others.
xcode-select --installsudo apt-get install build-essentialgcc file.c -o file
Compiles file.c and creates an executable named file.
-c: Compiles source files to object files without linking.-o: Specifies the name of the output file.-Wall: Enables all warning messages.-Werror: Treats all warnings as errors.-g: Adds debugging information to the executable.-O: Enables optimization of the code.-std: Specifies the language standard to use.-I: Adds a directory to the include path.-L: Adds a directory to the library path.-l: Links against a library.gcc -c file.c -o file.o # Compile source file to object file
gcc file.o -o file # Link object file to create executable
gcc -Wall -Werror -g file.c -o file # Compile with warnings and debugging information
gcc -O2 file.c -o file # Compile with optimization
gcc -std=c99 file.c -o file # Compile with C99 standard
gcc -I include/ file.c -o file # Add include directory to include path
gcc -L lib/ -l mylib file.c -o file # Link against library "mylib"