LU-1199 rpm: don't open-code %_smp_mflags

In some distant past, %_smp_mflags didn't exist on all
supported platforms.

We can use it now. The only difference is the lack of an
8-CPU limit, which can be overridden by explicitly defining
RPM_BUILD_NCPUS anyway.

Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: James Simmons <uja.ornl@gmail.com>
Change-Id: I0b5c2f879da9ba6e8aa3103bfe59e6b43f8d72bc
Reviewed-on: http://review.whamcloud.com/5492
Tested-by: Jenkins
Reviewed-by: Christopher J. Morrone <chris.morrone.llnl@gmail.com>
Reviewed-by: Bob Glossman <bob.glossman@intel.com>
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>

diff --git a/lustre.spec.in b/lustre.spec.in
index 4f5b05b..48f5b17 100644 (file)
--- a/lustre.spec.in
+++ b/lustre.spec.in
@@ -259,16 +259,6 @@ ln lustre/ChangeLog ChangeLog-lustre
 ln lnet/ChangeLog ChangeLog-lnet
 
 %build
-# if RPM_BUILD_NCPUS unset, set it
-if [ -z "$RPM_BUILD_NCPUS" ] ; then
-    RPM_BUILD_NCPUS=$(egrep -c "^cpu[0-9]+" /proc/stat 2>/dev/null || echo 0 :)
-    if [ $RPM_BUILD_NCPUS -eq 0 ] ; then
-        RPM_BUILD_NCPUS=1
-    fi
-    if [ $RPM_BUILD_NCPUS -gt 8 ] ; then
-        RPM_BUILD_NCPUS=8
-    fi
-fi
 
 # Set an explicit path to our Linux tree, if we can.
 cd $RPM_BUILD_DIR/lustre-%{version}
@@ -306,7 +296,7 @@ CONFIGURE_ARGS=$(echo $CONFIGURE_ARGS | sed -e 's/"\?--with-kmp-moddir=[^ ][^ ]*
 %eval_configure \
        %{?kdir: --with-linux=%kdir} %{?kobjdir: --with-linux-obj=%kobjdir} \
        $CONFIGURE_ARGS --with-kmp-moddir=%{kmoddir}
-make -j $RPM_BUILD_NCPUS -s %{?make_args}
+make %{?_smp_mflags} -s %{?make_args}
 
 %install
 make install DESTDIR=$RPM_BUILD_ROOT