BiteSizedChunks.comLearn one small thing at a time.

Course contentsShow

764What the preprocessor actually does
765The `#include` directive for standard headers
766The `#include` directive for local files
767How `gcc -E` shows preprocessor output
768Defining constants with `#define`
769Removing definitions with `#undef`
770The danger of semicolon in `#define`
771Avoiding magic numbers with macros
772Defining function-like macros
773Why parenthesize macro arguments
774Why parenthesize the whole macro expression
775Side effects in macro arguments
776The stringizing operator `#`
777The token-pasting operator `##`
778Macros vs inline functions
779Multi-line macros with backslashes
780Using `#ifdef` and `#ifndef`
781Basic logic with `#if` and `#else`
782The `defined()` operator
783Testing for platform-specific code
784Using `#error` to stop compilation
785Temporary code disabling with `#if 0`
786Feature toggles via command line `-D`
787Managing debug prints with macros
788The purpose of header files
789The 'duplicate definition' error
790Creating basic include guards
791How `#pragma once` works
792Forward declarations in headers
793What should NOT go in a header
794Circular dependency issues
795Standard header search paths
796Splitting code into `.c` and `.h`
797The `extern` keyword for variables
798Static functions for file scoping
799The role of the 'main' file
800Organizing /src and /include folders
801Naming conventions for large projects
802Dependency graphing in your head
803From source code to object files
804The `-c` flag for compilation
805What is inside a `.o` file
806Linking multiple object files
807Understanding 'undefined reference' errors
808The executable ELF format
809Symbol tables and visibility
810What is a static library `.a`
811Creating archives with the `ar` tool
812Linking with static libraries
813What is a shared library `.so` / `.dll`
814Position Independent Code `-fPIC`
815Linking with shared libraries `-l` and `-L`
816Runtime library loading and `LD_LIBRARY_PATH`
817Why we need build tools
818Structure of a Makefile Rule
819Targets, dependencies, and recipes
820The importance of Tab characters
821Using variables in Makefiles
822Automatic variables like `$@` and `$<`
823Phony targets like `clean` and `all`
824Incremental builds and file timestamps
825Compiling with debug symbols `-g`
826Starting GDB with an executable
827The `run` and `quit` commands
828Listing source code with `list`
829Setting breakpoints with `break`
830Stepping through code with `next` and `step`
831Continuing execution with `continue`
832Checking variable values with `print`
833Inspecting the call stack with `backtrace`
834Moving between frames with `up` and `down`
835Setting conditional breakpoints
836Using `watch` for memory changes
837Debugging a Segfault from a core dump
838Attaching GDB to a running process
839Examining raw memory with `x`

764What the preprocessor actually does
765The `#include` directive for standard headers
766The `#include` directive for local files
767How `gcc -E` shows preprocessor output
768Defining constants with `#define`
769Removing definitions with `#undef`
770The danger of semicolon in `#define`
771Avoiding magic numbers with macros
772Defining function-like macros
773Why parenthesize macro arguments
774Why parenthesize the whole macro expression
775Side effects in macro arguments
776The stringizing operator `#`
777The token-pasting operator `##`
778Macros vs inline functions
779Multi-line macros with backslashes
780Using `#ifdef` and `#ifndef`
781Basic logic with `#if` and `#else`
782The `defined()` operator
783Testing for platform-specific code
784Using `#error` to stop compilation
785Temporary code disabling with `#if 0`
786Feature toggles via command line `-D`
787Managing debug prints with macros
788The purpose of header files
789The 'duplicate definition' error
790Creating basic include guards
791How `#pragma once` works
792Forward declarations in headers
793What should NOT go in a header
794Circular dependency issues
795Standard header search paths
796Splitting code into `.c` and `.h`
797The `extern` keyword for variables
798Static functions for file scoping
799The role of the 'main' file
800Organizing /src and /include folders
801Naming conventions for large projects
802Dependency graphing in your head
803From source code to object files
804The `-c` flag for compilation
805What is inside a `.o` file
806Linking multiple object files
807Understanding 'undefined reference' errors
808The executable ELF format
809Symbol tables and visibility
810What is a static library `.a`
811Creating archives with the `ar` tool
812Linking with static libraries
813What is a shared library `.so` / `.dll`
814Position Independent Code `-fPIC`
815Linking with shared libraries `-l` and `-L`
816Runtime library loading and `LD_LIBRARY_PATH`
817Why we need build tools
818Structure of a Makefile Rule
819Targets, dependencies, and recipes
820The importance of Tab characters
821Using variables in Makefiles
822Automatic variables like `$@` and `$<`
823Phony targets like `clean` and `all`
824Incremental builds and file timestamps
825Compiling with debug symbols `-g`
826Starting GDB with an executable
827The `run` and `quit` commands
828Listing source code with `list`
829Setting breakpoints with `break`
830Stepping through code with `next` and `step`
831Continuing execution with `continue`
832Checking variable values with `print`
833Inspecting the call stack with `backtrace`
834Moving between frames with `up` and `down`
835Setting conditional breakpoints
836Using `watch` for memory changes
837Debugging a Segfault from a core dump
838Attaching GDB to a running process
839Examining raw memory with `x`

Lesson 799 of 1,219·11. The Preprocessor and BuildPro lesson

The role of the 'main' file

This lesson is for subscribers

You've completed the free preview. Subscribe to unlock every lesson in every course.

See pricing Back to course