Makefile

wildcard

• What does wildcard mean in makefile?

• https://www.gnu.org/software/make/manual/html_node/Wildcard-Function.html

• Makefile – Check if a file exists using wildcard function

ifneq ("$(wildcard $(PATH_TO_FILE))","")
FILE_EXISTS = 1
else
FILE_EXISTS = 0
endif

• How do I check if file exists in Makefile so I can delete it?
• 在 makefile 判斷目錄是否存在
• Checking if a directory exists within makefile

override

• https://www.gnu.org/software/make/manual/make.html#Override-Directive
• Append to GNU make variables via command line
• Add compiler option without editing Makefile
• passing optional arguments to a makefile

.PHONY

• https://www.gnu.org/software/make/manual/html_node/Phony-Targets.html
• What is the purpose of .PHONY in a Makefile?
• Passing Makefile arguments to a command, as they are typed in the command line.

print

• How to print out a variable in makefile

$(error   VAR is $(VAR))
$(warning VAR is $(VAR))
$(info    VAR is $(VAR))

assembly

• Makefiles - ar: *.a: No such file or directory… but there is… it's right there
• How to make a Makefile for a program for assembly Language?
• Makefile for building ASM/C project

GNU Make Parallelization

• Is it possible to make -jN dynamic based on CPU load?
• How to determine the maximum number to pass to make -j option?
• How to speed up compilation time in linux
• How to use GNU make --max-load on a multicore Linux machine?
• How to determine a good value for --load-average using gnu Make?
• The Pitfalls and Benefits of GNU Make Parallelization