refs #5537 suppress spurious build warnings about ranlib

git-svn-id: file:///svn/toku/tokudb@49318 c7de825b-a66e-492c-adef-691d508d4ae1

CTestCustom.cmake

@@ -217,6 +217,11 @@ endif()
 list(APPEND CTEST_CUSTOM_COVERAGE_EXCLUDE "log_print.cc")
 
 list(APPEND CTEST_CUSTOM_WARNING_EXCEPTION
-  "xz-4.999.9beta/src/liblzma"              # don't complain about warnings in xz source
-  "clang: warning: unknown warning option"  # don't complain about clang missing warnings from xz code
+  # don't complain about warnings in xz source
+  "xz-4.999.9beta/src/liblzma"
+  # don't complain about clang missing warnings from xz code
+  "clang: warning: unknown warning option"
+  # don't complain about ranlib on empty archive
+  "ranlib: file: .* has no symbols"
+  "ranlib: warning for library: .* the table of contents is empty"
   )