--- /etc/rpm/macros.d/kernel	2004-08-03 20:26:11 +0500
+++ kernel	2005-04-05 13:06:06 +0500
@@ -106,6 +106,28 @@ for f in %_patch_list ; do \
 done \
 %nil
 
+# Selecting arch
+%select_arch() \
+echo "Checking aliases for " %_arch "..." \
+%__subst 's,^\\(CONFIG_M586\\)=y.*$,# \\1 is not set,' %1 \
+NEW_ARCH=$(echo %_arch | \
+ sed -e 's/i386/CONFIG_M386/g;s/i486/CONFIG_M486/g;s/i586/CONFIG_M586/g' | \
+ sed -e 's/i686/CONFIG_M686/g;s/p\\(entium\\)\\{0,1\\}2/CONFIG_MPENTIUMII/g' | \
+ sed -e 's/p\\(entium\\)\\{0,1\\}3/CONFIG_MPENTIUMIII/g' | \
+ sed -e ';s/p\\(entium\\)\\{0,1\\}4/CONFIG_MPENTIUM4/g' | \
+ sed -e 's/k6.*/CONFIG_MK6/g;s/athlon.*/CONFIG_MK7/g') \
+if [ "x$NEW_ARCH" = "x%_arch" ]; then \
+    echo "No such architecture: %_arch" \
+    echo "Using default" \
+    NEW_ARCH=""; \
+fi \
+if [ "x$NEW_ARCH" = "x" ]; then \
+    NEW_ARCH=CONFIG_M586; \
+fi \
+%__subst "s,.*$NEW_ARCH.*,$NEW_ARCH=y,g" %1 \
+%nil
+
+
 # Standard way for installing patches
 %install_patches \
 %__mkdir_p %patches_dir/%patch_name \