https://gcc.gnu.org/bugzilla/show_bug.cgi?id=43301
--- Comment #3 from Eric Gallager <egallager at gcc dot gnu.org> --- (In reply to Eric Gallager from comment #2) > (In reply to Ryan Johnson from comment #0) > > ./configure ... --with-build-time-tools=$MY_TOOLS ignores $MY_TOOLS (though > > it correctly warns when $MY_TOOLS is not an absolute path). > > > > Let's just say this led to extremely frustrating behavior until I decided to > > start digging... > > > > Suggested patch to correct the problem: > > > > Index: /home/Ryan/apps/gcc-4.5-src/configure.ac > > =================================================================== > > --- /home/Ryan/apps/gcc-4.5-src/configure.ac (revision 157227) > > +++ /home/Ryan/apps/gcc-4.5-src/configure.ac (working copy) > > @@ -3221,7 +3221,9 @@ > > [ --with-build-time-tools=PATH > > use given path to find target tools during the > > build], > > [case x"$withval" in > > - x/*) ;; > > + x/*) > > + with_build_time_tools=$withval > > + ;; > > *) > > with_build_time_tools= > > AC_MSG_WARN([argument to --with-build-time-tools must be an absolute > > path]) > > Confirming that GCC's configure.ac is still unpatched. Patches go to the gcc-patches mailing list if you still want to see this fixed
