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Detect number of processors for make

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This commit is contained in:
Giacomo Fiorin
2017-07-20 10:52:24 -04:00
parent 187a80be77
commit ef9fb944c7
1 changed files with 7 additions and 1 deletions
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8
lib/colvars/Install.py
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@ -124,10 +124,16 @@ fp.close()
# make the library via Makefile.auto # make the library via Makefile.auto
try:
import multiprocessing
n_cpus = multiprocessing.cpu_count()
except:
n_cpus = 1
print("Building lib%s.a ..." % lib) print("Building lib%s.a ..." % lib)
cmd = ["make -f Makefile.auto clean"] cmd = ["make -f Makefile.auto clean"]
print(subprocess.check_output(cmd, shell=True).decode()) print(subprocess.check_output(cmd, shell=True).decode())
cmd = ["make -f Makefile.auto -j12"] cmd = ["make -f Makefile.auto -j%d" % n_cpus]
print(subprocess.check_output(cmd, shell=True).decode()) print(subprocess.check_output(cmd, shell=True).decode())
if os.path.exists("lib%s.a" % lib): print("Build was successful") if os.path.exists("lib%s.a" % lib): print("Build was successful")