On Fri, Apr 24, 2015 at 05:10:58PM +0100, Arnaldo Carvalho de Melo wrote: > Em Thu, Apr 23, 2015 at 08:16:15AM -0600, David Ahern escreveu: > > On 4/23/15 8:04 AM, Will Deacon wrote: > > >+++ b/tools/perf/Makefile > > >@@ -24,7 +24,7 @@ unexport MAKEFLAGS > > > # (To override it, run 'make JOBS=1' and similar.) > > > # > > > ifeq ($(JOBS),) > > >- JOBS := $(shell egrep -c '^processor|^CPU' /proc/cpuinfo 2>/dev/null) > > >+ JOBS := $(shell getconf _NPROCESSORS_ONLN 2>/dev/null) > > > ifeq ($(JOBS),0) > > > JOBS := 1 > > > endif > > > Certainly a more robust way of doing it but I am concerned this > > might end up breaking others. For Fedora at least getconf is in the > > glibc-common package and there are users that do not build with > > glibc. It is not clear if the build system for those environments > > will have getconf. > > Hum, perhaps check if getconf is present, if not fallback to the egrep > -c? I'll try.
I don't have a SPARC machine to hand, but we could check that the character immediately following "CPU" is a number [0-9]. Will -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
