build_buildroot: prevent -j for make-3.82 and later

1b2ec569 · Alessandro Rubini · b807a613 · 1b2ec569
Commit 1b2ec569 authored Jan 09, 2012 by Alessandro Rubini
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wrs_build_buildroot build/scripts/wrs_build_buildroot +8 -1

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--- a/build/scripts/wrs_build_buildroot
+++ b/build/scripts/wrs_build_buildroot
@@ -38,7 +38,14 @@ fi

 cp $CFG .config
 sed -i /^BR2_JLEVEL/d .config
-echo "BR2_JLEVEL=$WRS_MAKE_J_NUMBER" >> .config
+# make 3.82 splits the work differently, and compilation fails. So no -j
+makefails=$(make -v | awk 'NR==1 {if ($NF > 3.81) print "fail"}')
+if [ "x$makefails" = "xfail" ]; then
+    echo "BR2_JLEVEL=1" >> .config
+    # Actually, it seems it fails anyways. I give up and document the issue
+else
+    echo "BR2_JLEVEL=$WRS_MAKE_J_NUMBER" >> .config
+fi

 # apply any pending patches
 wrs_echo "Patching buildroot"