https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91268
--- Comment #2 from pmderodat at gcc dot gnu.org --- Author: pmderodat Date: Tue Sep 17 07:59:43 2019 New Revision: 275774 URL: https://gcc.gnu.org/viewcvs?rev=275774&root=gcc&view=rev Log: [Ada] PR ada/91268 Do not redefine macros This should fix PR ada/91268 by only defining macros if not already done. 2019-09-17 Arnaud Charlet <char...@adacore.com> gcc/ada/ * adaint.c (_REENTRANT, _THREAD_SAFE): Only define if needed. Modified: trunk/gcc/ada/ChangeLog trunk/gcc/ada/adaint.c