Build the static library archive even without libtool

Index: cpufrequtils/Makefile
===================================================================
--- cpufrequtils.orig/Makefile	2012-05-06 14:54:58.573929641 +0900
+++ cpufrequtils/Makefile	2012-05-06 14:55:30.049333295 +0900
@@ -193,7 +193,10 @@
 	@ln -sf $@ libcpufreq.so
 	@ln -sf $@ libcpufreq.so.$(LIB_MIN)
 
-libcpufreq: libcpufreq.so.$(LIB_MAJ)
+libcpufreq.a: $(LIB_OBJS)
+	$(QUIET) $(AR) rcs $@ $(LIB_OBJS)
+
+libcpufreq: libcpufreq.so.$(LIB_MAJ) libcpufreq.a
 
 cpufreq-%: libcpufreq.so.$(LIB_MAJ) $(UTIL_SRC)
 	$(QUIET) $(CC) $(CPPFLAGS) $(CFLAGS) -I. -I./lib/ -c -o utils/$@.o utils/$*.c
@@ -237,6 +240,7 @@
 install-lib:
 	$(INSTALL) -d $(DESTDIR)${libdir}
 	$(CP) libcpufreq.so* $(DESTDIR)${libdir}/
+	$(CP) libcpufreq.a $(DESTDIR)${libdir}/
 	$(INSTALL) -d $(DESTDIR)${includedir}
 	$(INSTALL_DATA) lib/cpufreq.h $(DESTDIR)${includedir}/cpufreq.h