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Allow to force to do not use -j as make argument #829

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Merged
merged 1 commit into from
Apr 1, 2016
Merged

Allow to force to do not use -j as make argument #829

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5 changes: 4 additions & 1 deletion Makefile.rule
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Original file line number Diff line number Diff line change
Expand Up @@ -112,7 +112,10 @@ NO_AFFINITY = 1
# NO_PARALLEL_MAKE = 1

# Force number of make jobs. The default is the number of logical CPU of the host.
# This is particularly useful when using distcc
# This is particularly useful when using distcc.
# A negative value will disable adding a -j flag to make, allowing to use a parent
# make -j value. This is usefull to call OpenBLAS make from an other project
# makefile
# MAKE_NB_JOBS = 2

# If you would like to know minute performance report of GotoBLAS.
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5 changes: 5 additions & 0 deletions getarch.c
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Expand Up @@ -1013,7 +1013,12 @@ int main(int argc, char *argv[]){
#endif

#ifdef MAKE_NB_JOBS
#if MAKE_NB_JOBS > 0
printf("MAKE += -j %d\n", MAKE_NB_JOBS);
#else
// Let make use parent -j argument or -j1 if there
// is no make parent
#endif
#elif NO_PARALLEL_MAKE==1
printf("MAKE += -j 1\n");
#else
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