https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77986
--- Comment #4 from Eric Botcazou <ebotcazou at gcc dot gnu.org> --- > Now I have > > make[3]: Entering directory > `/home/abuild/rguenther/obj-early-lto-debug-g/gcc/ada/tools' > ../../gnatbind -I- -I../rts -I. > -I/space/rguenther/src/svn/early-lto-debug/gcc/ada -o b_gnatm.adb > gnatmake.ali > error: "s-stalib.adb" and "gnatmake.adb" compiled with different exception > handling mechanisms > error: "s-secsta.adb" and "gnatmake.adb" compiled with different exception > handling mechanisms > ... Just remove the gnattools directory and do 'make all-gnattools'. > Oh, and that I can't cut&paste from gnat.dg testsuite logs and add -v > -save-temps to see and debug subcommands invoked is another thing. Add "-cargs -save-temps -v" to the gnatmake command line.