Page 112 - C-Language

• See also c99 - compile standard C programs

GCC (GNU Compiler
Description
Collection) Flags

Enables all warning messages that are commonly
-Wall
accepted to be useful.

-Wextra Enables more warning messages, can be too noisy.

Force warnings where code violates the chosen
-pedantic
standard.

-Wconversion Enable warnings on implicit conversion, use with care.

-c Compiles source files without linking.

-v Prints compilation info.

• gcc accepts the POSIX flags plus a lot of others.
• Many other compilers on POSIX platforms (clang, vendor specific compilers) also use the
flags that are listed above.
• See also Invoking GCC for many more options.

TCC (Tiny C Compiler)
Description
Flags

-Wimplicit-function- Warn about implicit function declaration.
declaration

Warn about unsupported GCC features that are ignored by
-Wunsupported
TCC.

-Wwrite-strings Make string constants be of type const char * instead of char *.

-Werror Abort compilation if warnings are issued.

Activate all warnings, except -Werror, -Wunusupported and -
-Wall
Wwrite strings.

Examples

The Linker

The job of the linker is to link together a bunch of object files (.o files) into a binary executable.
The process of linking mainly involves resolving symbolic addresses to numerical addresses. The
result of the link process is normally an executable program.

https://riptutorial.com/ 88