Makefile Basics
Summary
Command line Flags
| Option | Description |
|---|---|
-j [N] |
Allows N jobs at once; infinite jobs with no arg |
-f FILE |
Read FILE as a makefile |
-k |
Keep going when some targets can't be made. |
-h |
Print help and exit |
-i |
Adds a - to every command |
-C |
Change to the directory before doing anything |
Common Targets
| Option | Description |
|---|---|
.PHONY |
Used to declare targets that don't represent output files, ensuring they're always executed regardless of file existence or timestamps |
all |
Typically used to specify the default target |
clean |
Conventionally used to define rules for cleaning up the project directory by removing generated files or artifacts |
Common variables for C/C++
| Variable | Description |
|---|---|
CC or CXX |
Variables for the C and C++ compilers |
CFLAGS or CXXFLAGS |
For compiler flags for the C and C++ |