Always when i want to compile using make command in linux I run it with -j9 to set number of threads to be used. Is there any way to set it permanently in the environment path or .bashrc file or any other way?
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1`alias make='make -j9'` – Jonathan Wakely Dec 12 '16 at 10:27
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@JonathanWakely: Using an alias is not a good idea IMHO, considering the availability of `MAKEFLAGS`/`GNUMAKEFLAGS`. – einpoklum Jun 23 '20 at 14:06
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Does this answer your question? [Make "make" default to "make -j 8"](https://stackoverflow.com/questions/2151605/make-make-default-to-make-j-8) – user202729 May 19 '23 at 03:15
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You can set GNUMAKEFLAGS environment variable with extra flags to pass to GNU make, e.g.:
export GNUMAKEFLAGS=-j9
in your shell start-up scripts.
GNUMAKEFLAGS
Other flags parsed by make. You can set this in the environment or a makefile to set make command-line flags. GNU make never sets this variable itself. This variable is only needed if you’d like to set GNU make-specific flags in a POSIX-compliant makefile. This variable will be seen by GNU make and ignored by other make implementations. It’s not needed if you only use GNU make; just use MAKEFLAGS directly.
Maxim Egorushkin
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3Just a note, `GNUMAKEFLAGS` is only available in GNU make 4.0 and above. `MAKEFLAGS` is always available but note the caveat in the documentation above. – MadScientist Dec 12 '16 at 14:01