docs: add note about --disable-all-programs

Addresses: https://github.com/karelzak/util-linux/issues/666
Signed-off-by: Karel Zak <kzak@redhat.com>

Documentation/howto-compilation.txt

@@ -36,6 +36,25 @@ Compiling
 
 	FIXME: add notes about klib and uClib.
 
+
+Compile certain portion
+
+	See ./configure --help and use --disable-* and --enable-* options.
+
+        It's also possible to disable all the programs and enable only wanted.
+        For example:
+	
+	./configure --disable-all-programs --enable-fallocate
+
+	Note that the configure script tracks dependencies between libs and
+        tools. Always see warning messages and follow error messages if any
+        dependence is necessary. For example to compile mount(8) you need also
+        libmount, libblkid and libuuid:
+
+	./configure --disable-all-programs --enable-mount --enable-libmount \
+                    --enable-libblkid --enable-libuuid
+
+
 Static linking
 
 	Use --enable-static-programs[=LIST] configure option when