Do not remove the .symlist files and thus do not run
objdump for each library etc if you repeat the make check command.
+2012-05-03 Andreas Jaeger <aj@suse.de>
+ Roland McGrath <roland@hack.frob.com>
+
+ * Makerules (.PRECIOUS): Add %.symlist pattern to prevent
+ intermediate file deletion.
+ (generated): Add .symlist files.
+
2012-05-03 Joseph Myers <joseph@codesourcery.com>
[BZ #13775]
vpath %.abilist $(+sysdep_dirs)
+# The .PRECIOUS rule prevents the files built by an implicit rule whose
+# target pattern is %.symlist from being considered "intermediate files"
+# and automatically removed. We only want these files to be removed by
+# 'make clean', which is handled by the 'generated' variable.
+.PRECIOUS: %.symlist
+generated += $(extra-libs:=.symlist)
+
check-abi-%: $(common-objpfx)config.make %.abilist $(objpfx)%.symlist
$(check-abi)
check-abi-%: $(common-objpfx)config.make %.abilist $(common-objpfx)%.symlist