forked from amazingfate/loongoffice
...similarly to how CppunitTest_odk_checkapi already builds with C++03 to detect inadvertent uses of newer features in code that is meant to be still compatible with C++03. And fix any uses of newer features that had already crept in. Change-Id: I9fb4013099c1dff2c1ad5fba8fc93d9aa4efbde8 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/158523 Tested-by: Jenkins Reviewed-by: Stephan Bergmann <sbergman@redhat.com>