kbuild: Do not overwrite makefile as anohter user

[~andy/linux] / scripts / mkmakefile

diff --git a/scripts/mkmakefile b/scripts/mkmakefile
index a22cbedd3b3ec0738379c283d4fb2df5b33209ec..7f9d544f9b6c07339021bdb80762feeb7b95f9bf 100644 (file)
--- a/scripts/mkmakefile
+++ b/scripts/mkmakefile
@@ -10,7 +10,10 @@
 # $4 - patchlevel
 
 
-cat << EOF
+test ! -r $2/Makefile -o -O $2/Makefile || exit 0
+echo "  GEN     $2/Makefile"
+
+cat << EOF > $2/Makefile
 # Automatically generated by $0: don't edit
 
 VERSION = $3