[Mageia-dev] problem with %_smp_mflags in Cauldron

Sun Jan 6 17:51:07 CET 2013

On Sun, Jan 6, 2013 at 3:13 PM, philippe makowski
+<makowski.mageia at gmail.com> wrote:
+> Hi,
+>
+> 2013/1/6 Pascal Terjan <pterjan at gmail.com>:
+>> So far only waf should be a problem. Maybe we could add a macro with
+>> only the number of cpus and use -j%n_cpus with waf instead of using
+>> the make flags given that it is not compatible with other make
+>> options? (In smp_mflags the second m is for make)
+> That' s fine for me
+
+Anyone against such patch? I would change _smp_mflags to %([
+%_build_ncpus -gt 1 ] && echo "-j%_build_ncpus -l%_build_ncpus") later
+
+[pterjan at chopin trunk]$ svn diff
+Index: build.macros.in
+===================================================================
+--- build.macros.in	(revision 7023)
++++ build.macros.in	(working copy)
+@@ -207,9 +207,10 @@
+ %{nil}
+
+
+-%_smp_mflags %([ -z "$RPM_BUILD_NCPUS" ] \\\
+-	&& RPM_BUILD_NCPUS="`/usr/bin/getconf _NPROCESSORS_ONLN`"; \\\
+-	[ "$RPM_BUILD_NCPUS" -gt 1 ] && echo "-j$RPM_BUILD_NCPUS")
++# Define _build_ncpus which can be reused with non-make build systems
++# Needs to be sent upstream
++%_build_ncpus		%([ -n "$RPM_BUILD_NCPUS" ] && echo "$RPM_BUILD_NCPUS"
+|| /usr/bin/getconf _NPROCESSORS_ONLN)
++%_smp_mflags		%([ %_build_ncpus -gt 1 ] && echo "-j%_build_ncpus")
+
+ %_make_bin make
+ %make %{_make_bin} %_smp_mflags
+