On 9 June 2015 at 08:52, Ellis N. Thomas <ExtraLeveLInSoftware@xxxxxxxxxxxx> wrote: > Jonathan, > > Thanks for your swift reply. > > You say ISl and Cloog are not needed, but that was how my build started, and configure gave the > "not supported" error just after checking for ISL: > ------------------------------------------------------------------------------- > ... > checking how to compare bootstrapped objects... cmp --ignore-initial=16 $$f1 $$f2 > checking for objdir... .libs > checking for version 0.10 of ISL... no > checking for version 0.11 of ISL... no > checking for version 0.12 of ISL... no > *** This configuration is not supported in the following subdirectories: > ld gas gprof > (Any other directories should still work fine.) > ... > ------------------------------------------------------------------------------- > > So there seems to be some other reason why ld and as will not build. The earlier checks listed by > configure do not seem to indicate problems, so I am not clear what is needed. (The output from configure > with and without isl and cloog source directories was the same up to this point, as included at the end of > my message of 8 Jun 2015.) If configure has carried out other checks after the version of ISL and before > the "not supported" error then it has not identified what. Look in config.log I do not believe the "not supported in the following subdirectories" message is related to ISL, it just happens that the ISL checks are the last thing printed before that message.