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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
define print_msg
@printf ' BUILD: Doing '\''make \033[33m-j'$(JOBS)'\033[m'\'' parallel build\n'
endef
define make
@$(MAKE) -f Makefile.perf --no-print-directory -j$(JOBS) $@
endef
#
# Needed if no target specified:
#
all:
$(print_msg)
$(make)
#
# The clean target is not really parallel, don't print the jobs info:
#
clean:
$(make)
#
# All other targets get passed through:
#
%:
$(print_msg)
$(make)
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