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- #
- # Do a parallel build with multiple jobs, based on the number of CPUs online
- # in this system: 'make -j8' on a 8-CPU system, etc.
- #
- # (To override it, run 'make JOBS=1' and similar.)
- #
- ifeq ($(JOBS),)
- JOBS := $(shell grep -c ^processor /proc/cpuinfo 2>/dev/null)
- ifeq ($(JOBS),)
- JOBS := 1
- endif
- endif
- export JOBS
- $(info $(shell printf '# [ perf build: Doing '\''make \033[33m-j'$(JOBS)'\033[m'\'' parallel build. ]\n'))
- #
- # Needed if no target specified:
- #
- all:
- @$(MAKE) --no-print-directory -j$(JOBS) $@
- %:
- @$(MAKE) --no-print-directory -j$(JOBS) $@
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