https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81878
--- Comment #11 from Eric Botcazou <ebotcazou at gcc dot gnu.org> --- > =================================================================== > --- Makefile.in (revision 251140) > +++ Makefile.in (working copy) > @@ -78,7 +78,7 @@ CXX_LFLAGS = \ > # Variables for gnattools, native > TOOLS_FLAGS_TO_PASS_NATIVE= \ > "CC=../../xgcc -B../../" \ > - "CXX=../../xg++ -B../../ $(CXX_LFLAGS)" \ > + "CXX=$(CXX)" \ > "CFLAGS=$(CFLAGS) $(WARN_CFLAGS)" \ > "LDFLAGS=$(LDFLAGS)" \ > "ADAFLAGS=$(ADAFLAGS)" \ > @@ -96,7 +96,7 @@ TOOLS_FLAGS_TO_PASS_NATIVE= \ > # Variables for regnattools > TOOLS_FLAGS_TO_PASS_RE= \ > "CC=../../xgcc -B../../" \ > - "CXX=../../xg++ -B../../ $(CXX_LFLAGS)" \ > + "CXX=$(CXX)" \ > "CFLAGS=$(CFLAGS)" \ > "LDFLAGS=$(LDFLAGS)" \ > "ADAFLAGS=$(ADAFLAGS)" \ > > seems to work for me, both bootstrap and --disable-bootstrap. The patch is OK with me if you remove CXX_LFLAGS too.
