https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90361
--- Comment #9 from Jonathan Wakely <redi at gcc dot gnu.org> --- Author: redi Date: Tue Aug 13 13:14:45 2019 New Revision: 274379 URL: https://gcc.gnu.org/viewcvs?rev=274379&root=gcc&view=rev Log: PR libstdc++/90361 add missing macro definition The src/c++17/string-inst.cc file needs to override the default string ABI so that it still contains the expected symbols even when the library is configured with --with-default-libstdcxx-abi=gcc4-compatible. Backport from mainline 2019-08-12 Jonathan Wakely <jwak...@redhat.com> PR libstdc++/90361 * src/c++17/string-inst.cc: Use _GLIBCXX_USE_CXX11_ABI=1 by default. Modified: branches/gcc-9-branch/libstdc++-v3/ChangeLog branches/gcc-9-branch/libstdc++-v3/src/c++17/string-inst.cc
