Use the third field in `common/shlibs` to skip checks in soname bumps.

Any value can be used in this field, but as reference I've used "ignore".

Manual.md

@@ -563,7 +563,7 @@ libfoo.so.1 foo-1.0_1
 
 - The first field specifies the SONAME.
 - The second field specified the package name and minimal version required.
-- A third optional field specifies the architecture (rarely used).
+- A third optional field (usually set to `ignore`) can be used to skip checks in soname bumps.
 
 ### Creating system accounts/groups at runtime
 

common/shlibs

@@ -10,8 +10,8 @@
 # The version component is used as greater than or equal to that version
 # in resulting binary package.
 #
-# The third field (optional) specifies that shared library is only
-# available on the target architecture.
+# The third field (optional) specifies that shared library should not be used
+# to perform checks of soname bumps.
 #
 # PLEASE NOTE: when multiple packages provide the same SONAME, the first
 # one (order top->bottom) is preferred over the next ones.
@@ -22,10 +22,10 @@ libm.so.6 glibc-2.8_1
 libpthread.so.0 glibc-2.8_1
 librt.so.1 glibc-2.8_1
 libdl.so.2 glibc-2.8_1
-ld-linux-x86-64.so.2 glibc-2.8_1 x86_64
-ld-linux.so.2 glibc-2.8_1 i686
-ld-linux-armhf.so.3 glibc-2.17_1 armv6l
-ld-linux.so.3 glibc-2.17_1 armv5tel
+ld-linux-x86-64.so.2 glibc-2.8_1
+ld-linux.so.2 glibc-2.8_1
+ld-linux-armhf.so.3 glibc-2.17_1
+ld-linux.so.3 glibc-2.17_1
 libresolv.so.2 glibc-2.8_1
 libanl.so.1 glibc-2.8_1
 libthread_db.so.1 glibc-2.8_1
@@ -68,7 +68,7 @@ libform.so ncurses-libs-5.8_1
 libpanel.so ncurses-libs-5.8_1
 libmenu.so ncurses-libs-5.8_1
 libncursesw.so.6 ncurses-libs-5.8_1
-libncursesw.so.5 ncurses-libs-5.8_1
+libncursesw.so.5 ncurses-libs-5.8_1 ignore
 libformw.so.6 ncurses-libs-5.8_1
 libpanelw.so.6 ncurses-libs-5.8_1
 libmenuw.so.6 ncurses-libs-5.8_1