scst.spec: Improve robustness of kernel version query code

git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6627 d57e44dd-8a1f-0410-8b47-8ef2f437770f

scst.spec.in

@@ -8,14 +8,16 @@
 #   version number when building on a koji build server.
 # - Otherwise use the version number of the running kernel.
 %{!?kversion:
-    %{?kdir:%define kversion %{expand:%%(make -sC %{kdir} kernelversion)}}
+    %{?kdir:%define kversion %{expand:%%(
+	make -sC "%{kdir}" kernelversion | grep -v ^make)}}
     %{!?kdir:
 	%define kversion %{expand:%%(
 	    if rpm --quiet -q kernel-headers; then
 		rpm -q --qf '%%%%{BUILDTIME} %%%%{version}-%%%%{release}.%%%%{arch}\\n' \\
 		    kernel-headers | sort | tail -n1 | { read a b; echo $b; };
 	    else
-		uname -r;
+		make -sC "/lib/modules/$(uname -r)/build/" kernelversion |
+		grep -v ^make;
 	    fi
 	)}}}
 %{echo:kversion=%{kversion}