| # |
| # 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: |
| @$(MAKE) -f Makefile.perf --no-print-directory -j$(JOBS) $@ |
| |
| %: |
| @$(MAKE) -f Makefile.perf --no-print-directory -j$(JOBS) $@ |